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Multi Mode Feedback Display System For Ceiling Fan

Abstract: 7. ABSTRACT 5 The present disclosure relates to a multi-mode feedback display (102) system (100) integrated into an energy-efficient ceiling fan. The system (100) comprises a Brushless Direct Current (BLDC) motor (104), a bottom cover, and a rotatable or angle-adjustable display (102) positioned at the center of the fan's bottom cover. Additionally, it includes a clock module (106) ensuring accurate timekeeping, a speed control module (108) for 10 user-adjustable fan speed settings, an alarm module (110) enabling users to set alarms triggering audible alerts or display color changes at designated times, a power consumption module (112) for measuring and displaying real-time energy usage, an error code module (114) providing diagnostic feedback, and a Switch Mode Power Supply (SMPS) (116) converting incoming AC power to the necessary DC voltage for 15 motor and electronic component operation. The system (100) enhances user experience, promotes energy efficiency, and provides comprehensive feedback for efficient operation and troubleshooting of the ceiling fan. The figure associated with the abstract is Fig. 1.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
26 August 2023
Publication Number
38/2024
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2025-04-17
Renewal Date

Applicants

EMODULAR DEVICES LLP
Unit No. 105, Sri Mythri Square, Opp AMB Shopping Mall, Kothaguda, Hyderabad - 500084, India.

Inventors

1. Indraja Challagonda
B404, Landmark Residency, MADINAGUDA, Hyderabad - 500049, India
2. Prudhvi Vegunta
c Block, 1101, Myhome Abra, Madhapur, Hyderabad - 500081, India

Specification

DESC:According to an exemplary embodiment of the present invention, a multi-mode
feedback display system designed to enhance user experience and promote energy
10 efficiency in the operation of a ceiling fan is disclosed. The system is equipped with a
Brushless Direct Current (BLDC) motor and incorporates a seven-segment LED
display, or a graphical display positioned at the center of the fan's bottom cover,
featuring a rotatable or angle-adjustable display according to the viewing angle
required, and the capability to display various colors.
15
In accordance with an exemplary embodiment of the present invention, the BLDC
motor operates by utilizing electronic commutation instead of mechanical brushes. The
motor contains sensors that detect the position of the rotor and provide feedback to the
electronic controller, which adjusts the current in the stator windings to maintain
20 continuous rotational motion.
In accordance with an exemplary embodiment of the present invention, the bottom
cover serves as the main housing for the fan's electronic components and the display. It
is designed to protect these components from dust, dirt, and physical damage while
25 providing a clean and integrated look. The central positioning of the cover ensures that
the display is easily visible from below, allowing for convenient user interaction.
In accordance with an exemplary embodiment of the present invention, the display is a
central feature of the feedback system. It can be either a seven-segment LED or a
12
graphical display, and it is capable of being rotated or adjusted in angle for optimal
viewing. The display shows various types of information including the fan's speed
settings, power consumption, time, and error codes, which can change colors to provide
visual alerts, enhancing user interaction and awareness.
5
In accordance with an exemplary embodiment of the present invention, the clock
module keeps accurate time using an internal clock circuit. It regularly updates the
display with the current time, allowing users to check the time at a glance. It can be
synchronized with external time sources for higher accuracy, and users can easily set
10 the time through the fan's user interface or remote control.
In accordance with an exemplary embodiment of the present invention, the alarm
module allows users to set specific times for alarms. At the designated time, the module
activates an audible buzzer or changes the display's color to provide a visual alert. Users
15 can program the alarm settings via buttons or a remote control, and the module works
in conjunction with the clock module to ensure timely alerts.
In accordance with an exemplary embodiment of the present invention, the speed
control module monitors the current speed of the fan and allows users to adjust it. It
20 sends signals to the motor controller to increase or decrease the fan's speed based on
user input. The current speed setting is displayed in real-time, helping users select their
preferred airflow level to ensure precise control over the fan's operation, enhancing
comfort and convenience.
25 In accordance with an exemplary embodiment of the present invention, the power
consumption module measures the electrical power being used by the fan. It calculates
real-time energy usage and sends this information to the display.
13
In accordance with an exemplary embodiment of the present invention, the error code
module enhances the fan's diagnostic capabilities. It continuously monitors the
performance of various components and detects any malfunctions or issues. When an
error is detected, the module generates a specific error code and displays it on the
5 screen. These error codes can change colors to provide visual alerts, allowing users and
technicians to quickly identify and troubleshoot problems, minimizing downtime and
ensuring the fan's longevity.
In accordance with an exemplary embodiment of the present invention, the SMPS is
10 responsible for converting the incoming AC power to the appropriate DC voltage
required by the fan's motor and electronic components. It operates using high-frequency
switching to regulate the output voltage and current efficiently. The SMPS provides a
stable power supply, protecting the fan from voltage fluctuations and surges, and
ensuring efficient energy conversion. This results in a reliable and consistent power
15 source for the fan's operation.
In accordance with an exemplary embodiment of the present invention, the multi-mode
feedback display system for ceiling fans features an advanced LED strip that changes
colors to indicate different operational states. This LED strip uses four distinct colors:
20 yellow, red, blue, and green, each representing specific fan operations. Yellow lights
signify normal speed control adjustments, providing a visual cue for speed changes.
Red lights indicate an error or faulty condition, alerting users to potential issues with
the fan's operation. Blue lights are used during alarm activations, such as wake-up calls
or reminders, offering both visual and audible alerts. Green lights display real-time
25 power consumption data, promoting energy-efficient usage. Additionally, the system
includes a coding mechanism for the number of times the lights blink, further detailing
the specific status or error code, ensuring users receive comprehensive feedback on the
fan's performance and operational health.
14
Now referring to Figs. 1-3, the multi-mode feedback display system (102) integrated
into the energy-efficient ceiling fan (100) operates seamlessly with each component
contributing to its functionality. The BLDC motor (104) drives continuous rotational
motion with electronic commutation, ensuring efficiency and reliability. Positioned
5 centrally, the multi-mode feedback display (102) provides real-time information such
as fan speed, time, alarms, error codes, and power consumption. Its rotatable or angleadjustable feature optimizes user viewing angles by changing the LED colors according
to real-time information.
10 The clock module (106) ensures precise timekeeping, synchronizing with external
sources for accuracy, while the speed control module (108) adjusts fan speed based on
environmental conditions detected by integrated sensors. Users can set alarms through
the alarm module (110), which changes colors or display settings, and monitor energy
usage with the power consumption module (112), which displays real-time and
15 historical data. The error code module (114) aids in troubleshooting by identifying
malfunctions and displaying specific error codes for quick diagnosis. Lastly, the Switch
Mode Power Supply (SMPS) (116) converts AC power to DC voltage, ensuring
stability and protection against voltage fluctuations, thereby ensuring the system's
reliable and efficient operation.
20
The ceiling fan (100) is equipped with a speed control module labeled (108), which is
responsible for controlling the fan speed. The speed regulation is achieved by
comparing the ambient temperature with predefined settings. Feedback on the fan's
operational status is provided through lights embedded in the circular rim of the fan
25 (100). These lights offer a visual indication of the fan's speed and mode. Additionally,
the fan can be operated remotely using an RF (radio frequency) remote control,
allowing users to adjust settings from a distance for enhanced convenience. These
embedded lights provide a clear indication of the fan's operational status.
15
Unlike traditional ceiling fan motors, the BLDC motor minimizes noise and maximizes
energy efficiency, which is crucial for reducing electricity consumption and enhancing
overall sustainability. The display system (102), centrally located on the fan’s bottom
cover, serves as the interface for all interactions. This LED or LCD panel displays
5 information in an easy-to-read format and is designed to be durable and user-friendly,
enabling straightforward navigation through various settings.
The clock module (106) embedded within the system provides accurate timekeeping, a
fundamental feature that adds to the utility of the ceiling fan beyond air circulation.
10 This module ensures that users can see the current time at a glance, eliminating the need
for additional clocks in the room. Moreover, the alarm module (110) extends the
functionality of the fan by allowing users to set alarms. This is particularly useful in
bedrooms or other living spaces where reminders for various daily activities are
beneficial. The system facilitates setting both audible and visual alarms, enhancing its
15 utility as a multipurpose device.
The speed control module (108) is a critical feature that allows users to adjust the fan
speed according to their comfort preferences. This module not only makes it easy to
change settings but also helps in conserving energy by optimizing the fan speed based
20 on real-time environmental feedback. This is facilitated through an intuitive interface
on the display that lets users increase or decrease speed with simple commands.
The ceiling fan is equipped with a regulator socket labeled (108), which is responsible
for controlling the fan speed. The speed regulation is achieved by comparing the
25 ambient temperature with predefined settings. Feedback on the fan's operational status
is provided through lights embedded in the circular rim of the fan. These lights offer a
visual indication of the fan's speed and mode. Additionally, the fan can be operated
remotely using an RF (radio frequency) remote control, allowing users to adjust settings
from a distance for enhanced convenience. The LED lights of red and white are
16
arranged in vertical rows across the transparent rim, which operates on a change of
function of the fan.
One of the standout features of this invention is the power consumption module (112)
5 that informs users of the energy usage of the fan in real-time. This feature promotes
energy consciousness among users by displaying detailed energy consumption data,
encouraging responsible usage patterns that align with energy conservation goals.
Additionally, the error code module (114) enhances the maintenance aspect of the
ceiling fan. By promptly displaying error codes, the system helps in diagnosing issues
10 quickly, thus allowing for immediate troubleshooting without the need for professional
help, reducing maintenance time and costs.
The practical applications of the multi-mode feedback display system are vast, ranging
from residential to commercial and educational settings.
15
In homes, the enhanced ceiling fan can significantly improve the convenience and
functionality of living spaces, providing comfort and information seamlessly. In
commercial spaces such as offices or conference rooms, the advanced features like
energy monitoring and environmental controls can help in managing operational costs
20 effectively. For educational facilities, the fan can serve as a tool for promoting energy
efficiency and environmental awareness among students and staff.
This invention offers multiple advantages over traditional ceiling fans. The integration
of a display system not only makes the fan more interactive but also turns it into a
25 central information hub that can manage and relay important environmental and
temporal data. The combination of enhanced user control, energy efficiency, and
additional functionalities like alarm setting and error monitoring transforms the ceiling
fan from a simple fixture to an integral part of smart home ecosystems.
17
In summary, the multi-mode feedback display system redefines the utility of ceiling
fans, embedding them with smart technology that offers real-time interaction, enhanced
control, and energy efficiency. This invention not only improves the aesthetic and
functional appeal of ceiling fans but also aligns with modern technological trends,
5 making it a valuable addition to contemporary homes and offices.
To ensure the multi-mode feedback display system integrated into an energy-efficient
ceiling fan meets industry standards and fulfills user expectations, a comprehensive
series of tests must be conducted. These tests are crucial for validating the functionality,
10 durability, and safety of the system, ensuring that it performs as intended under various
conditions.
The first step is to verify that all features of the display system function correctly. This
includes checking fan speed adjustment capabilities, the accuracy of the temperature
15 display, mode selections, and other functionalities as advertised. This test ensures that
each component of the display system interacts seamlessly and performs its designated
tasks without errors.
It is essential to confirm that the information displayed—such as temperature, fan
20 speed, and timer settings—accurately reflects the real-time status and settings of the
ceiling fan. This involves calibrating and testing the sensors integrated into the system
to ensure they provide precise measurements, thus guaranteeing that the display outputs
are a true representation of the fan's operational status.
25 The user interface is evaluated for its ease of use, intuitiveness, and responsiveness.
This test focuses on how easily users can navigate through different settings and modes,
the clarity of the information displayed, and the overall user interaction with the system.
The goal is to ensure that users can efficiently and effectively manage the fan’s settings
without confusion or difficulty.
18
This testing phase assesses the system's compatibility with various devices and
platforms, especially if the display includes modern connectivity features like
Bluetooth, Wi-Fi, or integration with smart home systems. It's crucial to ensure that the
5 fan can connect seamlessly with other devices and operate within a broader smart home
ecosystem without compatibility issues.
The durability of the display system components—including the display panel, buttons,
and housing—is rigorously tested. This includes assessing their resistance to
10 environmental factors such as humidity, temperature variations, and physical impacts.
Ensuring the system's components can withstand everyday wear and tear is vital for
long-term reliability.
Measuring the power consumption of the display system is crucial to ensure it aligns
15 with energy-efficient standards. This test verifies that the additional features of the
display system do not compromise the overall energy efficiency of the ceiling fan,
helping to maintain low operational costs and environmental sustainability.
The performance of integrated temperature and humidity sensors is evaluated to ensure
20 they provide accurate readings under different environmental conditions. This testing
helps confirm that the sensors can reliably function in various climates and settings,
providing users with precise environmental data.
Reliability testing involves stress testing, temperature cycling, and vibration testing to
25 ensure the display system operates reliably over time. These tests check for potential
malfunctions or failures under different operating conditions, aiming to identify any
weaknesses in the system's design or function.
19
Safety testing is critical to verify that the display system adheres to all relevant safety
standards and regulations, particularly concerning electrical safety and fire hazards. It
ensures safe operation under normal conditions and in case of system malfunctions,
protecting users from potential risks.
5
Finally, feedback from users is collected through surveys or usability testing sessions
to gauge user satisfaction and identify areas for improvement. This feedback is
invaluable for refining the design and functionality of the ceiling fan, ensuring it meets
user needs and expectations.
10
Overall, the multi-mode feedback display system for ceiling fans offers a versatile and
user-friendly solution that enhances comfort, promotes energy efficiency, and
empowers users with valuable information. Its potential applications in residential,
commercial, and public spaces make it a valuable innovation with broad market
15 potential. ,CLAIMS:A ceiling fan integrated with a multi-mode feedback display (102) system (100),
5 comprising:
a multi-mode feedback display (102);
a Brushless Direct Current (BLDC) motor (104), utilizing electronic
commutation to provide continuous rotational motion;
a clock module (106), embedded within the multi-mode feedback display
10 (102), configured for accurate timekeeping;
a speed control module (108) integrated into the multi-mode feedback
display (102) system (100), allowing real-time adjustment of fan speeds;
an alarm module (110) that permits users to set visual and audible alarms
from the display, enhancing the fan’s utility by incorporating reminder
15 functionalities;
a power consumption module (112) that tracks and displays the fan’s energy
use in real-time;
an error code module (114), also part of the display system, that offers
diagnostic feedback via specific error code displays;
20 a Switch Mode Power Supply (SMPS) (116) that converts incoming AC
power to the required DC voltage;
Characterized in that,
the multi-mode feedback display (102) centrally positioned on the fan’s
bottom cover to enable optimal viewing of the dynamic visual feedback
25 displayed by the user from below;
the multi-mode feedback display (102) centrally embedded lights in the
circular rim of the fan providing operational status, energy consumption,
speed controls and alerts through changing the colors for different
operations;
21
the multi-mode feedback display (102) is capable of showing operational
status, energy consumption, and alerts in various colors and orientations,
enhancing user interaction through dynamic visual feedback;
the multi-mode feedback display (102) enhances the ceiling fan’s usability
5 by integrating control and feedback mechanisms into a single interactive
interface;
the multi-mode feedback display (102) system (100) allows users to
configure and customize settings including fan speed through the speed
control module (108), alarm settings via the alarm module (110), and
10 monitor energy usage through the power consumption module (112),
directly interacting with the display, which adjusts its orientation and color
display for optimal visibility and user engagement.
2. The system (100) as claimed in claim 1, wherein the bottom cover serves as the
15 main housing for the fan's electronic components and the display, designed to
protect the components from dust, dirt, and physical damage while providing a
clean and integrated look.
3. The system (100) as claimed in claim 1, wherein the multi-mode feedback display
20 (102) includes a seven-segment LED configured to rotate, and angle-adjustable to
accommodate different viewing angles and to change the colors for different
operations like speed control, .
4. The system (100) as claimed in claim 1, wherein the clock module (106) includes
25 internal circuitry capable of synchronizing with external time sources via the user
interface or the remote control, ensuring precise and reliable time data.
5. The system (100) as claimed in claim 1, wherein the speed control module (108)
adjusts fan speed based on environmental conditions detected by sensors integrated
22
into the ceiling fan and enables users to tailor airflow based on their immediate
comfort needs, displayed directly on the feedback display.
6. The system (100) as claimed in claim 1, wherein the LED strip comprises four
5 distinct colors: yellow, red, blue, and green, each color representing a specific
operational state of the fan, and wherein:
a. yellow lights indicate speed control adjustments, providing a visual cue
corresponding to changes in fan speed;
b. red lights signify an error or faulty condition, alerting users to potential
10 issues with the fan's operation;
c. blue lights are utilized during alarm activations, serving both visual and
audible alerts for events such as wake-up calls or reminders;
d. green lights display real-time power consumption data, encouraging energyefficient usage of the fan.
15
7. The system (100) as claimed in claim 1, wherein the power consumption module
(112) calculates and displays historical energy usage data for user reference and
promotes energy-saving practices by providing users with actionable energy
consumption data.
20
8. The system (100) as claimed in claim 1, wherein the error code module (114)
provides troubleshooting guidance on the display screen based on detected
malfunctions.
25 9. The system (100) as claimed in claim 1, wherein the SMPS (116) comprises surge
protection mechanisms to safeguard electronic components during power
fluctuations.
23
10. A method for operating a multi-mode feedback display system (100) as claimed in
claim 1, wherein the method comprising the steps of:
activating the Brushless Direct Current (BLDC) motor (104) to initiate
continuous rotational motion of the ceiling fan, utilizing electronic
5 commutation to enhance energy efficiency and reduce operational noise;
converting incoming AC power to the required DC voltage for the motor
and electronic components of the ceiling fan using a Switch Mode Power
Supply (SMPS) (116), which includes steps to ensure stability and protect
against voltage fluctuations and surges;
10 initializing the clock module (106) to display the current time, including
synchronizing the clock with external time sources through a user interface
or remote control to ensure accuracy and reliability;
adjusting fan speed settings in real-time, using the speed control module
(108) to customize airflow based on user preferences or environmental
15 conditions, with the adjusted speeds being displayed on the multi-mode
feedback display (102) and changing the colors of LED strip for immediate
feedback;
setting alarms via the alarm module (110) to trigger either audible alerts or
visual changes on the display at designated times, enhancing the utility of
20 the ceiling fan beyond air circulation by integrating time management
features;
monitoring and displaying real-time energy usage, employing the power
consumption module (112) to provide users with detailed energy
consumption data, facilitating informed decisions regarding energy use and
25 promoting energy-saving practices;
detecting and diagnosing operational issues, utilizing the error code module
(114) to provide diagnostic feedback through specific error displays,
enabling efficient troubleshooting and maintenance;
24
interacting dynamically with the multi-mode feedback display (102), which
includes modifying display settings such as color and orientation to optimize
visibility and enhance user engagement, thus making the ceiling fan more
adaptable to user needs and room aesthetics

Documents

Application Documents

# Name Date
1 202341057327-PROVISIONAL SPECIFICATION [26-08-2023(online)].pdf 2023-08-26
2 202341057327-FORM FOR STARTUP [26-08-2023(online)].pdf 2023-08-26
3 202341057327-FORM FOR SMALL ENTITY(FORM-28) [26-08-2023(online)].pdf 2023-08-26
4 202341057327-FORM 1 [26-08-2023(online)].pdf 2023-08-26
5 202341057327-EVIDENCE FOR REGISTRATION UNDER SSI(FORM-28) [26-08-2023(online)].pdf 2023-08-26
6 202341057327-EVIDENCE FOR REGISTRATION UNDER SSI [26-08-2023(online)].pdf 2023-08-26
7 202341057327-DRAWINGS [26-08-2023(online)].pdf 2023-08-26
8 202341057327-Proof of Right [20-04-2024(online)].pdf 2024-04-20
9 202341057327-FORM 3 [20-04-2024(online)].pdf 2024-04-20
10 202341057327-FORM-26 [23-04-2024(online)].pdf 2024-04-23
11 202341057327-ENDORSEMENT BY INVENTORS [23-04-2024(online)].pdf 2024-04-23
12 202341057327-DRAWING [26-07-2024(online)].pdf 2024-07-26
13 202341057327-COMPLETE SPECIFICATION [26-07-2024(online)].pdf 2024-07-26
14 202341057327-Proof of Right [09-09-2024(online)].pdf 2024-09-09
15 202341057327-FORM-5 [09-09-2024(online)].pdf 2024-09-09
16 202341057327-FORM 3 [09-09-2024(online)].pdf 2024-09-09
17 202341057327-FORM-9 [13-09-2024(online)].pdf 2024-09-13
18 202341057327-FORM 18 [13-09-2024(online)].pdf 2024-09-13
19 202341057327-STARTUP [23-10-2024(online)].pdf 2024-10-23
20 202341057327-FORM28 [23-10-2024(online)].pdf 2024-10-23
21 202341057327-FORM 18A [23-10-2024(online)].pdf 2024-10-23
22 202341057327-FER.pdf 2024-11-19
23 202341057327-Proof of Right [25-01-2025(online)].pdf 2025-01-25
24 202341057327-OTHERS [25-01-2025(online)].pdf 2025-01-25
25 202341057327-MARKED COPY [25-01-2025(online)].pdf 2025-01-25
26 202341057327-MARKED COPY [25-01-2025(online)]-1.pdf 2025-01-25
27 202341057327-MARKED COPIES OF AMENDEMENTS [25-01-2025(online)].pdf 2025-01-25
28 202341057327-FORM-5 [25-01-2025(online)].pdf 2025-01-25
29 202341057327-FORM-26 [25-01-2025(online)].pdf 2025-01-25
30 202341057327-FORM 13 [25-01-2025(online)].pdf 2025-01-25
31 202341057327-FER_SER_REPLY [25-01-2025(online)].pdf 2025-01-25
32 202341057327-DRAWING [25-01-2025(online)].pdf 2025-01-25
33 202341057327-CORRECTED PAGES [25-01-2025(online)].pdf 2025-01-25
34 202341057327-CORRECTED PAGES [25-01-2025(online)]-1.pdf 2025-01-25
35 202341057327-COMPLETE SPECIFICATION [25-01-2025(online)].pdf 2025-01-25
36 202341057327-CLAIMS [25-01-2025(online)].pdf 2025-01-25
37 202341057327-AMMENDED DOCUMENTS [25-01-2025(online)].pdf 2025-01-25
38 202341057327-ABSTRACT [25-01-2025(online)].pdf 2025-01-25
39 202341057327-US(14)-HearingNotice-(HearingDate-04-04-2025).pdf 2025-03-19
40 202341057327-Correspondence to notify the Controller [31-03-2025(online)].pdf 2025-03-31
41 202341057327-Annexure [31-03-2025(online)].pdf 2025-03-31
42 202341057327-Written submissions and relevant documents [16-04-2025(online)].pdf 2025-04-16
43 202341057327-RELEVANT DOCUMENTS [16-04-2025(online)].pdf 2025-04-16
44 202341057327-RELEVANT DOCUMENTS [16-04-2025(online)]-1.pdf 2025-04-16
45 202341057327-Proof of Right [16-04-2025(online)].pdf 2025-04-16
46 202341057327-PETITION UNDER RULE 137 [16-04-2025(online)].pdf 2025-04-16
47 202341057327-PETITION UNDER RULE 137 [16-04-2025(online)]-1.pdf 2025-04-16
48 202341057327-MARKED COPIES OF AMENDEMENTS [16-04-2025(online)].pdf 2025-04-16
49 202341057327-FORM 13 [16-04-2025(online)].pdf 2025-04-16
50 202341057327-AMMENDED DOCUMENTS [16-04-2025(online)].pdf 2025-04-16
51 202341057327-PatentCertificate17-04-2025.pdf 2025-04-17
52 202341057327-IntimationOfGrant17-04-2025.pdf 2025-04-17
53 202341057327-FORM-5 [21-04-2025(online)].pdf 2025-04-21

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