DESC:FIELD OF THE INVENTION:
The present invention relates to controlling devices and more particularly to control card devices for display systems at retail outlet, commercial or residential places for real time data integration on the display.

BACKGROUND OF THE INVENTION:
The volatility of global gasoline prices is a persistent challenge that impacts both consumers and petrol station owners worldwide. The ever-changing prices of petrol and diesel, typically adjusted daily during the early hours, demand immediate updates to the displayed prices at gas pumps. It becomes the responsibility of petrol station proprietors to ensure that accurate and current pricing information is available for customers.
For independent fuel stations and those reliant on manual systems, this entails a manual adjustment of prices by physically altering the numerical displays on boards or signage. However, this manual process introduces a considerable risk of inconsistencies. It creates a scenario where operators might display lower rates on visible signage, such as unipoles, while implementing different, often higher rates when customers are charged at the point of sale. This discrepancy poses challenges not only for customers expecting transparency but also for station owners aiming to maintain accuracy and trust in their pricing.
Additionally, the dependence on manual adjustments poses a challenge for fuel stations, particularly petrol and diesel pump owners, to promptly reflect the swift and frequent changes in global gasoline prices. The lag in updating prices in real-time frequently results in discrepancies between the displayed rates and the current market prices. This disparity can lead to misunderstandings and discontent among consumers, as they may expect prices to align precisely with the market rates displayed elsewhere. This discrepancy erodes trust and satisfaction, impacting both consumer relations and the station's reputation.
Oil Marketing Companies (OMCs) have tackled this challenge by introducing innovative solutions that integrate Light Emitting Diode (LED) displays or LED screens into automated oil price display systems. These modernized systems aim to streamline and automate the process of updating petrol and diesel prices at gas stations. By utilizing LED technology, these systems enable real-time updates of fuel prices, ensuring accurate and immediate reflection of the ever-changing global gasoline prices. This integration enhances efficiency, minimizes errors, and significantly reduces the reliance on manual interventions, thereby improving transparency and reliability for both station operators and consumers.
For instance, the Korean Patent KR101686916B1, credited to LEE JAE YONG, presents an oil price display system utilizing a portable mobile wireless module. This patented technology involves a management computer installation that facilitates the input and output of data to price display. The core functionality of the system revolves around a computer programmed to handle the input, output, and display of prices on the designated display unit. However, it's important to note that while this system offers advancements in price display automation, the communication setup isn't straightforward. It requires a computer system capable of executing specific programs, adding a layer of complexity to the communication process.
The Korean patent KR20040056022A to CHO EUN YEONG teaches apparatus for displaying the oil price of a gas station. It requires the driving unit to control the brightness and to drive LED unit. For luminance control, the current is supplied to display through resistor array. To control the brightness the apparatus also requires key input unit. It requires manual control to provide the inputs through keys.
The Chinese patent CN200962284Y to LU JIAMING YU, teaches a LED oil price display board which is suitable for outdoor use. The patented technology includes a box, a plurality of bits graph, character or digit display codes which are formed by LED tubes, control circuit, and the peripheral portion of each display code is provided with a transparent cover. The control circuit of the patent is arranged in the display box, and the rear waterproof cover is opened when adjusting the oil price, which brings inconvenience to adjusting the oil price. Also, the patent does not discloses the brightness adjustment feature.
Accordingly, there is a need for a control card device for display system to integrate real time data easily on display system. Also, there is a need for a control card device for remote monitoring and controlling of the display system.

SUMMARY OF THE INVENTION:
A control card device of a display system integrates real time data on the display system. The control card device includes a first control unit, a control card and a sensor. The control card for example, ESP control card, wireless communication protocol card, display card, price display control card and like. The first control unit controls input modes to receive data from plurality of inputs. Also, the first control unit processes the inputs, generates signals, and transmits the respective signals to the control card, that generates protocols respective to each selected input mode. The control card derives predefined protocols.
The control card includes a first decoder, a validation module, a memory unit. The control card also includes a clock, a second decoder, and a communication port. The first decoder decodes data, The validation module encrypts and validates encrypted data. The memory unit stores the data. The clock generates clock signal and the second decoder decodes the data. Accordingly, the communication port transfers the clock synchronized decoded data from the second decoder to the display unit respective to each input mode and integrates the protocols respective to each input mode with the respective display on the monolith.
The sensor unit includes a sensor module, an internal sensor, and an external sensor. The internal sensors monitors temperature, humidity in near vicinity of the fuel station. The external sensors monitors level of petrol, level of diesel, and stock of fuel. The control card is removably connectable with the display device.
The control card device operates in first input mode, second input mode, third input mode and fourth input mode to access the input data and to generate protocol respective to each input mode. In the first mode of data accessing, the first control unit accesses the data from a server. In the second mode of data accessing, the first control unit receives the data of density and stock of the gasoline product from a gasoline distribution unit. In the third mode of data accessing, a retriever module of the first control unit receives the data from a user through a digital device. In the fourth mode of data accessing, the first control unit receives the data sensed by the second sensor unit through Wi-Fi or cable to indicate parameters such as temperature, humidity. The sensor unit senses the improper functioning of display unit. The latch signal pulse indicates the output data after being captured by the display unit.
In another embodiment of the present invention the control card device includes a display card to display the latest parameters of fuel prices, quality of fuel, environmental parameters through a display device located in the premises of fuel station. The control card also includes a first sensor unit that further includes the external sensor that is installed with the fuel dispensing units of the fuel station. The control card device also includes the second sensor unit, that includes the internal sensor is installed at various locations of the fuel station. Also, the control card device includes a digital device that is connected with the display card through communication media such as Internet, intranet WiFi, Bluetooth or the like.
The control card device offers several notable advantages within its design and functionality. Primarily, it leverages wireless connectivity to seamlessly transmit real-time data onto the display unit, ensuring the immediate availability of up-to-date information to users. Moreover, the control card device incorporates robust security measures to safeguard against unauthorized access or tampering, employing features such as authentication mechanisms, and access controls.
Additionally, the control card device includes the capability to indicate ambient temperature and seamlessly interfaces with various sensors integrated into the control card. This expanded functionality not only enhances user experience by providing additional environmental data but also opens avenues for potential future sensor-based applications.
Furthermore, the control card device is engineered to minimize power consumption, promoting energy efficiency, while also facilitating adjustments to the brightness of the display. This dual feature not only contributes to reducing operational costs but also allows for optimal visibility and customization of the displayed information, adapting to varying lighting conditions for enhanced user readability.

BRIEF DESCRIPTION OF DRAWINGS:
The objectives and advantages of the present invention will become apparent from the following description read in accordance with the accompanying drawings wherein,
FIG. 1A shows an environment diagram of a control card device for display system in accordance with the present invention;
FIG. 1B shows a high level schematics of a control card device for display system of the present invention of FIG. 1;
FIG. 2 shows a schematic of the control card device for display system of the present invention of FIG. 1;
FIG. 3 shows a data transfer waveform of the control card device for display system of FIG. 1;
FIG. 4 shows a stepwise execution of the control card device for display system of FIG. 1;
FIG. 5 shows another embodiment of the control card device for display system; FIG. 6 shows a high level schematics of a control card device for display system of the present invention of FIG 5;
FIG. 7 shows user interface of a digital device of the present invention of FIG. 5; and
FIG. 8 shows user interface for editing current fuel price of the present invention of FIG. 5.
DESCRIPTION OF THE INVENTION:
References in the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, characteristic, or function described in connection with the embodiment is included in at least one embodiment of the invention. The appearances of the phrase “in one embodiment” in various places in the specification are not necessarily all referring to the same embodiment.
References in the specification to “preferred embodiment” means that a particular feature, structure, characteristic, or function described in detail thereby omitting known constructions and functions for clear description of the present invention.
The foregoing description of specific embodiments of the present invention has been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the present invention to the precise forms disclosed and obviously many modifications and variations are possible considering the above teaching.
In its primary form, the preferred embodiment of the present invention manifests as a control card device (referred to as 100) for gasoline station display systems or display systems at fuel stations. The control card device serves as an integration tool, unifying a display mechanism with the automation system employed at fuel stations. Accordingly, the control card device specifically showcases real-time data regarding gasoline product prices, density, and stock levels on the display unit.
The control card device (100) receives up-to-date gasoline/fuel price rates and enables the seamless dissemination of precise and current gasoline-related information onto the display system for customer awareness and engagement. This information is sourced either directly from the automation system within the gasoline station or entered through an interface system or from the server of the associated oil company. Alternatively, the control card device (100) obtains this data through a designated device, for example, a digital device including applications, a mobile application or a program executable on a controller.
Accordingly, the control card device for display system (100) controls and monitors the displays of display systems. The device (100) of the present invention includes four or eight displays on a display device for example unipole, monolith, totem poles, pylon or like, to indicate relevant parameters such as price of fuel like petrol, diesel, or temperature or any similar information. The displays are for example, monochrome, full color LED screens, etc. In other embodiments, the present invention is the control card device for display system (100) for bus stands, buses, showrooms, banks, restaurants, parking lot, retail shops, etc. to display real time information from server to the display.
Referring to FIG. 1, the control card device (100) for display system, hereinafter, referred to as the control card device (100) being connected with various elements at a fuel station. The control card 100 receives data or information from a server, processes that and transmits that to the display device (100). In this embodiment, the control card is connected to a display device. It is noted that the control card (100) is insert ably position able at a predefined location on the display device 102 or through predefined ports of the display device 102.
The control card 100 is connected to a first control unit 104 that is intern connected with a remote server 112, a retriever module 124, and a sensor module 116. The remote server 112 is any server that generates important information and that has to be displayed at the fuel station through the display device (102). For example, the server is a server of a fuel supplier company that decides selling process of the fuel that is sold over various fuel stations. The retriever module 124 is configured on a digital device 126 such as a tab, a computer, a mobile phone or the like. The retriever module 124 establishes communication between the server and the first control unit.
The display device (102) includes a digital display (132) or electronic display that is connected with the control card device (100). The first control unit (104) is preferably located at gasoline station control room. The first control unit (104) is configured for running a plurality of input modes to receive input data from plurality of inputs. The input data is, for example, rates of fuels, promotional messages, dates, temperature, humidity. The input data to be displayed on the display device 102 is either directly received from the server to the control card 100. Alternatively, the data is received by control card 100 through the retriever module such that the retriever module receives the said data as input from an operator.
In the present invention, the first control unit (104) sends the corresponding signal to the control card (108). The first control unit (104) is a controller preferably defined by, for example, a Fore Court Controller (FCC). The device (100) receives plurality of inputs by a plurality of modes such as a first mode, a second mode, a third mode and a fourth mode. The control unit (104) transfers the received data from the plurality of inputs to the control card (108).
According to an embodiment of the present invention, the control card (108) is configured to generate or derive the predefined protocols respective to each input mode. The protocol is a set of instructions for formatting and processing data. In accordance with the present invention the protocol is a predefined instruction format that includes 12 bit data protocol respective to each selected input mode. The protocol may be varied from application to application in other embodiments.
Also, the control card (108) is configured to integrate the particular protocols respective to each input mode with the respective display on the monolith. The control card (108) includes a first communication module, for example, a Wi-Fi module, Bluetooth module, LoRa, Zigbee or the like. The respective protocol is sent to respective display through the communication module.
Referring to FIG. 2, a high level schematics of a control card device for display system is described. In accordance with the preferred embodiment of the present invention, the control card device 100 monitors and transfer the data to the display device 128. The ESP control card 100 receives petrol rate, fuel rate from the oil server (112) through communication module. Also, the user 120 provides the information through the retriever module 124 to the control card device.
Further the sensor unit (210) includes sensor module (116), includes an internal sensor (118) and an external sensor (122). The internal sensors 118 are for example, humidity sensor, traffic sensor, temperature sensors positioned on the display device or in near vicinity of the fuel station. The internal sensor (118) senses the atmosphere parameters like temperature, humidity, etc. The internal sensors transfer the data to the control card.
The external sensors (122) are the sensors of gasoline dispensing unit. The external sensors sense the level of petrol, level of diesel, stock of fuel gas or likewise. The gasoline unit (116) transfers the data of fuel stock from respective sensor to the first control unit (104) through communication module.
Referring to FIG. 3, a schematic of the control card device (108) is described. In accordance with the preferred embodiment of the present invention, the control card device (100) includes the first control unit (104), the control card (108) and the plurality of inputs such as a first input (204), a second input (208), a sensor units 210 and a third input (212). The sensor units include a first sensor unit i.e. external sensor unit and a second sensor unit i.e., internal sensor unit.
Also, the control card (108) includes a clock (230) that is configured to generate clock signals for the operation of the device (100). The clock operates at a predefined frequency, for example, 50, MHz, 80 MHz, 100 MHz etc. The clock frequency is adjustable by an entering value in the interface of the validation module. The first control unit (104) receives data from the plurality of inputs. Accordingly, the first control unit 104 sends the signal to the control card (108).
In the present invention, the control card (108) includes the validation module (216), a first decoder (220), a memory unit (224), a second decoder (228), and a communication port (232). In accordance with the present invention the validation module is configured for validation of data. It is noted that the validation module includes an interface that is accessible by an operator of the control card 108 or the operator of the retrieval module.
In accordance with the present invasion, the first decoder (220) is a logic circuit that converts the coded input to the coded output. The memory unit 224 is defined by a microchip to store the data that is received, generated and transmitted from the control card 108. The second decoder 228 is a logic circuit to convert the coded input to the coded output. The communication port 232 is a physical input output interface like a plug port for communication.
The control card (108) receives data input from the first control unit (104), for example data in the form of 12-byte data. The data bits are shifted n serially using the SPI clock the clock (130). The control card (108) facilitates own in-built power supply, or it receives power supply through LED display through a connector. The first control unit (104) transfers the data to be displayed to the first decoder (220). The decoded data from the first decoder (220) is transferred to the validation module (216).
Now, the validation module (216) receives the data from communication module, for example, Wi-Fi module or decoded data from the first decoder (220). The data is encrypted and validated in the control card (108) by the validation module (216) to ensure the integrity and security of the data to be displayed on the display. The validation module (216) also validates the protocol. In the preferred embodiment of the present invention, the protocol is 12-byte protocol. The protocol may be varied from application to application in other embodiments.
Advantageously, the validation module (216) also monitors the display by monitoring display parameters, and fault detecting of the display, for example to detect the faulty pixels, temperature abnormalities, or communication error of displays.
However, it is noted that in another embodiment, the verification occurs without the encryption by the validation module. In another embodiment the verification occurs by any alternative methods such as Multi-factor Authentication, Blockchain Technology, Biometric Authentication or the like.
Further, the validated data is stored in the memory unit (224). The stored data from the memory unit (224) is further decoded by the second decoder (228), preferably in the 16-pin flat ribbon cable (FRC) compatible format that may vary according to type of display and applications in other embodiments. Accordingly, the decoded data is transferred to the display through the communication port (232).
Now the modes of receiving the input are discussed. In the first mode, the first control unit (104) accesses the data from a central control, for example, a server (112). In a second mode, the first control unit (104) receives the data from the gasoline distribution unit (116). The data includes values such as density, stock of the gasoline product, humidity, temperature etc. from the respective gasoline distribution unit (116).
In a third mode for receiving the input, the first control unit (104) receives the data from a user (120) through an input accessing device (124). It is noted that the user 120 is officer, manager, operator or a person who has access to the respective data. In a fourth mode for receiving the input, the first control unit (104) receives the data from a second sensor unit i.e. the internal sensors, preferably, temperature sensors, humidity sensors through any communication channel such as for example, a Wi-Fi mode or cable or intranet etc.
In the first mode for receiving the input, the first control unit (104) accesses the data from a server (112), for example a server of Oil Marketing Company (OMC), for example such as BPCL, HPCL and IOCL, Nayara Energy, Jio BP, etc. Accordingly, the first control unit (104) sends the signal to the ESP control card (108). The validation module (216) validates the data.
Further, in the second mode for receiving the input, the first control unit (104) receives the data of density and stock of the gasoline product from a gasoline distribution unit (116). The gasoline distribution unit (116) has plurality of sensors that define a first sensor unit to sense the level of petrol, level of diesel, stock of fuel gas or likewise. The sensors i.e. external sensors of the gasoline unit (116) transfer the data of fuel stock from respective sensor to the first control unit (104). Accordingly, the control unit (104) sends the signal to the control card (108). In the present invention, the control card (108) is configured to connect an automation system available on petrol station site through the RS485 connector.
In the third mode for receiving the input, the first control unit (104) receives the data from a user (120) through an input accessing device (124). The input accessing device (124), for example, a digital device, mobile or laptop or tab accesses the data from the server (112). The user (120) accesses the oil server application of Oil Marketing Company (OMC) through the input device (124) and provides required information to the control card (108).
In the fourth mode for receiving the input, the first control unit (104) receives the data sensed by a second sensor unit i.e. the internal sensors, preferably, temperature sensors, humidity sensors through Wi-Fi or cable. The sensor unit is preferably located near the vicinity of a petrol pump to sense the atmosphere parameters like temperature, humidity, etc.
Referring to FIG. 3, a data transfer waveform for the device (100) is described. The clock (230) generates the clock pulses having predefined frequency, for example, 80 MHz. The clock (230) generates the clock signal (301). It is to be noted, that the clock waveforms (301………n), for example having the frequency of single clock pulse is of 2 microseconds, that is essentially required to further generate persistence of vision. Each high and low edge of clock signal square wave signifies a specific data transfer interval.
The data protocol is a data bit (304……..n) , that is shifted serially by the clock bits (301………n). For both positive pulses of the clock (301….nH) and the data (304……..n H), respectively a latch signal (312-L) is generated to transmit the data to the display unit through the communication port (232). Once the data (304……..n) is latched it is stored in memory unit 220. The Latched data is transferred to individual LEDs in the display from the communication port (232). The latch signal (312-L) is a brief pulse that signals when data is captured by the display, typically after sending all data bits for a character.
Referring to FIG. 4, a stepwise execution of the operational working of the device (100) is described. In an initial step (405) the device receives the data from the first input (204), the second input (208) and the third input (212) as per the input mode selected by the user (120).
In the next step (410) for the first mode selection by user the first control unit (104) accesses the data from a server (112) through first input unit (204). Further, the first control unit (104) processes the data according to first input mode and transfers the data to the control card (108). For the second mode selection by user the first control unit (104) receives the data of density and stock of the gasoline product through the second input (208) from a gasoline distribution unit (116).
For the third mode selection by user the control card (108) receives the data from a user (120) through an input accessing device (124). The user (120) accesses OMC Server and provides the data to the control card (108) through Wi-Fi or network. For the fourth mode selected by the user the first control unit (104) receives the data sensed by a second sensor unit, preferably, temperature sensors, humidity sensors.
In next step 415, the first decoder (220) decodes the data for safety. In next step 420, the data is validated Further, in step 425 the data is encrypted and stored in the memory unit (224). In next step, 430 the second decoder (228) accesses the data from the memory unit (224) and again decrypts the data in the format compatible with display. In next step (435), the decrypted data is transferred to the display through the communication port (232).
Now referring to FIGS. 1A, 1B, 2, 3 and 4, an operational flow of the system 100 is described hereinafter. The system (100) operates in plurality of modes as the first mode, the second mode, the third mode and the fourth mode. In each mode of operation, the input providing method varies. In the present invention, the first control unit (108) is configured for controlling the input mode to receive data from plurality of inputs and accordingly sending the signal to the control card (108).
Accordingly, in the first mode for receiving the input, the first control unit (104) accesses the data from the server (112), for example a server of Oil Marketing Company (OMC), for example such as BPCL, HPCL and IOCL, Nayara Energy, Jio BP, etc. Accordingly, the control unit sends the signal to the control card (108). The control card (108) is configured to validate the input data received from the first control unit (104). The control card (108) compares the received input data with the data received from OMC server for validating the data. Further the validated data is encrypted by the first decoder (220) for safety.
Further, the encrypted data is stored in the memory (224). The second decoder (228) further accesses the encrypted data from the memory (224) and again decrypts the data in the format compatible with display. The data protocol is a data bit (304……n) is shifted in serially by the clock bits (301………n). For both High pulses of the clock (301…….nH) and the data (304……..n H), a latch signal (312-L) is generated.
Once the data (304—n) is latched it is stored in the memory unit 220. Further, the decrypted data is transferred to the display through the communication port (232). In accordance with the preferred embodiment of the present invention, in the second mode for receiving the input, the first control unit (104) receives the data of density and stock of the gasoline product from a gasoline distribution unit (116). The gasoline distribution unit (116) has a plurality of sensors to sense the level of petrol, level of diesel, stock of fuel gas or likewise. The gasoline unit (116) transfers the data of fuel stock from respective sensor to the first control unit (104).
Accordingly, the control unit (104) sends the signal to the control card (108). The control card (108) is configured to validate the input data received from the first control unit (104). The first decoder (220) decodes the data for safety. The decoded data is stored in the memory unit (224). The second decoder (228) further accesses the data from the memory unit (224) and again decodes the data in the format compatible with display. For both High pulses of the clock (301-nH) and the data (304-n H), a latch signal (312-L) is generated. Once the data (304—n) is latched it is stored in memory unit 220. Accordingly, the decoded data is transferred to the display through the communication port (232).
Additionally, in the third mode for receiving the input, the control card (108) receives the data from a user (120) through an input accessing device (124). The input accessing device (124), for example, mobile or laptop or iPad accesses the data from the server (112). The user (120) accesses the oil server application of Oil Marketing Company (OMC) and provides the data to the control card (108) through Wi-Fi or network. The data is encrypted by the first decoder (220) for safety. The encrypted data is stored in the memory unit (224). The second decoder (228) further accesses the data from the memory unit (224) and again decrypts the data in the format compatible with display. For both High pulses of the clock (301-nH) and the data (304-n H), a latch signal (312-L) is generated. Once the data (304—n) is latched it is stored in the memory unit 220. The decrypted data is transferred to the display through the communication port (232).
In context of the present invention for the fourth mode of input, the first control unit (104) receives the data through Wi-Fi or cable from a sensor unit (210). The sensor unit (210) includes plurality of sensors, preferably, temperature sensors, humidity sensors. The temperature sensor to sense the temperature of environment. The humidity sensor to sense the humidity of environment. The sensor unit (210) is positioned on the gasoline unit (116).
The control unit (104) transfers the received data from the plurality of inputs to the ESP control card (108). Further the data is stored in the memory unit (224) and the second decoder converts the data in the format compatible with display. The decoded data is transferred to the display through the communication port (232).
Examples:
Example 1: The device (100) to display the promotional message “A01PWELCOME TO INNOTRONIXB” and is described.
The device 100 is described using specific exemplary details. Now the fuel station in India is considered. In preferred embodiment, the device 100 is positioned on the monolith located on the fuel station. Further, considering as one device 100 for single individual display, positioned on the monolith to display rate of the fuel. The device is operated in first input mode. The protocol for updating promotional message is “A01PWELCOME TO INNOTRONIXB”, where P stands for setting of promotional messages is described herein. Further, the test device specifications are presented in Table 1 as below.
Description Specifications
User Input Mode First Input mode
Data Input Fuel rate from OMC server
Date 10th August 2023
Time 6 am
Data communication Internet
Display P10 LED display
serial communication RS485
Clock Frequency 80 MHz
Table 1: Test device specifications
It is to be noted that in the first step Control unit 104 receives the fuel rate data from the Oil marketing companies (OMCs) server through VSAT/Ethernet/any other kind of internet connection. In the next step, the fuel rate data, that is RS485/RS232 serial communication protocol is transferred to the control card (108) through cable or Wi/fi. The serial 12 bit protocol is received by the control card (108). In next step the control card 108 decodes the protocol for example, the MAX485/ADM485 decodes the data. The validation module (216) also validates the 12 bit data protocol to provide security to the data. the validated data is stored in the memory unit (224).
Further the second decoder 228 receives encrypted data from the memory and decodes the data. The data protocol is the data bit (304……..n), that data is shifted serially with the clock bits (301………n). For both high pulses of the clock (301……nH) and the data (304-n H), a latch signal (312-L) is produced. Once the data (304……..n) is latched it is stored in the memory unit 220. Further, the decrypted data is transferred to the display through the communication port (232).
To display "Welcome!" on a P10 LED display unit a waveform level, has waveforms: the clock bits (301…….n), the the data bit (304……..n), a latch signal (312-L), The clock waveform (301) represents the timing synchronization. Accordingly, to latch signal (312-L) edge, a specific data is transferred after specific interval. The latch signal (312-L) indicates that the data is captured by the display unit, after transfer of all data bits for a character.
The first decoder 220 sequentially encodes the characters of the message 'W', 'e', 'l', 'c', 'o', 'm', 'e', ' ', 't', 'o', ' ', 'I', 'n', 'n', 'o', 't', 'r', 'o', 'n', 'i', 'x' as sequences of '1's and '0's, to illuminate respective LED. These data bits are synchronized with the clock waveform (301—n), and accordingly the message is represented on the display unit.
Further the protocol for displaying the rate of fuel as Rs. 123.45 on the display unit is “A01S12345B” where S stands for setting Price Rs. 123.45. The protocol for updating date 26/12/199 is “A01D26121990B”, where D Stands for setting date.
Referring to FIG. 5, another embodiment of the present invention is described. In this one embodiment the display device 500 includes a display card (504), a display device (508), a first sensor unit (516) add a second sensor unit (520). The display device (500) also includes a digital device (524) that is to communicate with the display card (504). The display card (504) of the present invention is removably connectable with the display device. he display card (504) receives inputs from the first sensor unit that is the external sensor unit (516) and a second sensor unit that is internal sensors unit (520).
The digital device (524) is connected with the display card (504) through communication media such as Internet, intranet WiFi, Bluetooth or the like. It is important to understand that the first sensor unit (516) which has got the external sensor includes the sensor which are installed with the fuel dispensing units of the fuel station. Whereas the second sensor unit (520) has internal sensors that are installed at various location of the fuel station (528) which include environment sensor, temperature sensor, moisture sensor, pollution sensor and traffic density sensor.
The display card displays the latest parameters of fuel prices, quality of fuel, environmental parameters through the display device (508) that is located in the premises of the fuel station (528). It is noted that the parameters of the fuel such as fuel price are provided to the display card (504) through the digital device (524). However, the parameters such as environmental parameters quality of the fuel quantity of the fuel EC are provided by the first sensor unit (516) and the second sensor unit (520).
In accordance with the present invention, the communication to the display card (504) is established by at least two modes such as a first digital device mode and a second server direct communication mode. In the first digital device mode the digital device (524) connects with the display card (504) through a communication media for example wi-fi or Internet or the like. In the second direct communication mode the server (512) of the oil company communicates with the display card (504) through communication media such as internet for the like.
In an embodiment of the present invention the display card (504) receives data from the server of oil company through Internet.
Now referring to FIG. 6, a first digital device mode for the display card (504) is described. In the first digital device mode, digital device (524) connects with the display card (504) through a communication media. The retriever module (610) is configured on the controller (608) to receive the information from the user (120). The user provides information as fuel rates, brightness setting of display device to the display card (504) through the digital device (524).
Additionally, the sensor module 612 is configured for receiving, monitoring and transferring the environmental parameters from first sensor unit (516). The sensor unit 516 includes sensor S1, S2, and S3, for example, sensor to sense the environmental parameters such as temperature, humidity, pollution The display card 504 also
Also, the fuel station includes the second sensor unit (520), a first fuel station (528), and a second fuel station (530). A sensor S4 of the first fuel station (528), a sensor S5 of second fuel station (530) transmit respective fuel level information to the display card (504). The sensor module (612) is configured on the controller (608) for receiving and monitoring the fuel level data from the respective sensor S4, S5 for respective fuel station.
Further, the display card (504) also includes the communication module (604). The communication module (604) establishes the communication through serial communication, for example, RS 485/ RS 232 or wireless communication. The communication module 604 has authenticated code, for example wi-fi hotspot.
Now referring to FIG. 7 and FIG. 8 a user interface on the digital device (524) of the preferred embodiment of present invention is described. The user interface 700 includes a current price (704), a display status (708), a RO code (712), a RO Name (716). The current price (704) interface provides fuel price editing feature. The display status (708) interface provides information of display as working or non-working status of display. The RO code (712) and RO name (716) are interface to accesses the user authenticated code and username from the user.
Also, the user interface (700) includes interfaces for a last price change (720), a system date and time (724), a brightness (728) and temperature (732). The last price change 720 interface provides the details of previous modification details as date, time, and user. The brightness (728) interface is provided to monitor and modify the brightness of the display device. The temperature interface (732) is provided for monitoring and editing the temperature in the vicinity of fuel station.
Additionally, the user interface (700) includes interfaces for indicating status as a FCC connectivity (736), an operating mode (740), RF link status (742) and Ethernet status (748).
The user (120) is authenticated person having identification code as “RO code” The user (120) updates the fuel rate and promotional messages through the digital device (524). Initially, the user (120) searches for internet, and access through the communication module 604, for example, wifi hotspot. The user enters the authenticated code for communication, for example, Wi-Fi code of the display card (504). In next step, the user access of service set identifier (SSID) for network. The user (120) accesses the browser on the digital device (524) after successful input of SSID and authenticated code. The user establishes the communication with the display card and accesses the control of data. The user edits the Fuel Price and submits the details to display the price on the display device by accessing the modify price feature. The display card device broadcast the protocol to all the control cards having unique IDs.
The user edits the Fuel Price and submits the details to display the price on the display device.
In the future scope of the present invention, the control card indicates the improper functioning of Display by implementing current sensors and actuators for fault detection of the display device.
Accordingly, the device (100) provides wireless connectivity to display real time data on the display. Also, the device (100) provides facility to protect against unauthorized access or tampering. Additionally, the device (100) provides security features like, authentication mechanisms and access controls. Further, the device (100) indicates the ambient temperature and has a seamless interface of sensors on the control card. The device (100) reduces the power consumption and facilitates the brightness adjustment for display.
The device (100) offers several notable advantages within its design and functionality. Primarily, it leverages wireless connectivity to seamlessly transmit real-time data onto the display unit, ensuring the immediate availability of up-to-date information to users. Moreover, the device (100) incorporates robust security measures to safeguard against unauthorized access or tampering, employing features such as authentication mechanisms, and access controls.
Additionally, the device (100) includes the capability to indicate ambient temperature and seamlessly interfaces with various sensors integrated into the control card. This expanded functionality not only enhances user experience by providing additional environmental data but also opens avenues for potential future sensor-based applications.
Furthermore, the device (100) is engineered to minimize power consumption, promoting energy efficiency, while also facilitating adjustments to the brightness of the display. This dual feature not only contributes to reducing operational costs but also allows for optimal visibility and customization of the displayed information, adapting to varying lighting conditions for enhanced user readability.
The embodiments were chosen and described in order to best explain the principles of the present invention and its practical application, to thereby enable others, skilled in the art to best utilize the present invention and various embodiments with various modifications as are suited to the particular use contemplated.
It is understood that various omission and substitutions of equivalents are contemplated as circumstance may suggest or render expedient, but such are intended to cover the application or implementation without departing from the scope of the present invention.
,CLAIMS:We claim:
1. A control card device (100) of a display system integrating real time data on the display system comprising:
a. a first control unit (104), the first control unit being configured for controlling input modes to receive data from plurality of inputs, processing the inputs, generating signals, and transmitting the respective signals to the control card (108) for generating protocols respective to each selected input mode;
b. the control card (108) deriving predefined protocols, including a first decoder (220) for decoding the data, a validation module (216) for encrypting and validating the encrypted data, a memory unit (224) for storing the data, a clock (230) for generating clock signal (301-n), a second decoder (228) for decoding the data and a communication port (232) transferring the clock synchronized decoded data from the second decoder to the display unit respective to each input mode and integrating the protocols respective to each input mode with the respective display on the monolith;
c. a sensor unit (210) including a sensor module (116), an internal sensor (118) for monitoring temperature, humidity monitoring in near vicinity of the fuel station and an external sensor (122) for monitoring level of petrol, level of diesel, stock of fuel; and
d. a plurality of modes of receiving inputs from a plurality of sources.
2. The control card device (100) for display system 100 as claimed in claim 1 operates in first input mode, second input mode, third input mode and fourth input mode for accessing the input data for generating protocol respective to each input mode.
3. The control card device for display system 100 as claimed in claim 2, wherein the first mode of data accessing, the first control unit (104) accesses the data from a server (112).
4. The control card device (100) for display system 100 as claimed in claim 2, wherein the second mode of data accessing, the first control unit (104) receives the data of density and stock of the gasoline product from a gasoline distribution unit (116).
5. The control card device (100) for display system as claimed in claim 2, wherein the third mode of data accessing, a retriever module (124) being configured on the first control unit (104) for receiving the data from a user (120) through a digital device (524).
6. The control card device (100) for display system as claimed in claim 2, wherein the fourth mode of data accessing, the first control unit (104) receives the data sensed by the second sensor unit through Wi-Fi or cable to indicate parameters as temperature, humidity.
7. The control card device (100) for display system as claimed in claim 1, wherein the control card (108) being removably connectable with the display device.
8. The control card device (100) for display system as claimed in claim 1, wherein the sensor unit (210) senses the improper functioning of display unit.
9. The control card device (100) for display system as claimed in claim 1, wherein the clock signal (301-n) frequency is adjustable respective to input mode by the first control unit (104).
10. The control card device (100) for display system as claimed in claim 1, wherein the latch signal (312-L) pulse for indicating the output data capturing by the display unit.
11. The control card device (100) for display system as claimed in claim 1, wherein a display card (504), the display card being configured for displaying the latest parameters of fuel prices, quality of fuel, environmental parameters through a display device (508) located in the premises of fuel station.
12. The control card device (100) for display system as claimed in claim 1, wherein a first sensor unit (516), the first sensor unit including the external sensor being installed with the fuel dispensing units of the fuel station.

13. The control card device (100) for display system as claimed in claim 1, wherein a second sensor unit (516), the second sensor unit including the internal sensor being installed at various locations of the fuel station.
14. The control card device (100) for display system as claimed in claim 1, wherein a digital device (524), the digital device being connected with the display card (504) through communication media such as Internet, intranet WiFi, Bluetooth or the like.

Dated this 24th day of July 2023.
For, INNOTRONIX LABS & TRADING PVT. LTD.


Mahurkar Anand Gopalkrishna
IN/PA-1862
(Agent for Applicant)