Claims:I/ We Claim
1. A wireless smart key system (100) for accessing a vehicle (102), wherein the wireless smart key system (100) comprises:
a vehicle control unit (202) that is located in the said vehicle (102), wherein said vehicle control unit (202) comprises
a code generator (204) that generates a plurality of first codes associated with the said vehicle (102) and a plurality of second codes associated with a key device (210), wherein said a plurality of first codes and said a plurality of second codes are associated with each other;
an embedding unit (206) that embeds said a plurality of second codes with at least one of ultrasonic sounds, non-audible sound or audible sound;
a first ultrasonic sensor (208) located in the vehicle (102) that transmits said embedded tones to said key device (210), wherein each code is embedded with at least one of unique ultrasonic sounds, non-audible sound or audible sound; and
said key device (210) that includes a first control unit (212) that transforms said received embedded tones into said plurality of second codes that is communicated with said vehicle control unit (202) using a second transceiver (214) to enable the authentication process, wherein said key device (210) receives said embedded tones when said key device (210) reaches a vehicle accessing range,
wherein said vehicle control unit (202) enables said user to lock or unlock the vehicle (102) when said plurality of second codes transformed from said received embedded tones are matched with a said plurality of first codes and when said second transceiver (214) located within a predetermined threshold distance.



2. The system as claimed in claim 1, wherein said second transceiver (214) includes an ultrasonic sensor, wherein said wireless smart key system (100) comprises a network that enables the communication between the key device (210) and the vehicle (102), wherein the communication network is the ultrasonic or the non-audible or the audible signal.


3. The system as claimed in claim 1, wherein said key device (210) generates a plurality of first codes associated with said vehicle (102) and a plurality of second codes associated with a key device (210), wherein said plurality of first codes and said plurality of second codes are associated with each other.

4. The system as claimed in claim 1, wherein said vehicle control unit (202) determines whether said second transceiver (214) is located within a predetermined threshold by calculating the distance a distance between the said vehicle (102) and said second transceiver (214) using a frequency and gain of the plurality of tones.


5. The system as claimed in claim 1, wherein said wireless smart key system (100) comprises said vehicle control unit (202) that enables said authentication process when said plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes, wherein said vehicle control unit (202) compares said plurality of second codes transformed from said received embedded tones with said plurality of first codes to check said plurality of second codes transformed from said received embedded tones is matched with said plurality of first codes.

6. The system as claimed in claim 1, wherein an unique electrically powered start/ stop system (120) enables the user to access the vehicle (102) by at least one of (i) pressing the a mechanical start/stop button 118, (ii) switch or (iii) a sensor to identify the availability of the driver when said vehicle control unit (202) receives at least one of (i) a unlock signal or (ii) a lock signal when the plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes and when the second transceiver (214) is located within a predetermined threshold distance.

7. The system as claimed in claim 1, wherein said system (100) comprises a speaker (320) and a microphone (322), wherein the speaker (320) is adapted to transmit or broadcast the plurality of tones embedded with messages, wherein the microphone (322) is adapted to receive the plurality of tones embedded with messages, wherein the key device (210) controls transmitting and receiving and processing the plurality of tones.


8. The system as claimed in claim 1, wherein said system (100) comprises a server for accessing a vehicle (102), the server comprising:
a memory that stores a set of instructions; and
a processor that executes the set of instructions and is configured to:
generating a plurality of first codes associated with a vehicle (102) and a plurality of second codes associated with a key device (210) using a code generator (204), wherein said plurality of first codes and said plurality of second codes are associated with each other, wherein said plurality codes are sound signals;
generating embedded tones by embedding said a plurality of second codes with at least one of ultrasonic sounds, non-audible sound or audible sound;
transmitting said embedded tones to said key device (210) using a first ultrasonic sensor (208), wherein each code is embedded with at least one of unique ultrasonic sounds, non-audible sound or audible sound;
transforming said received embedded tones into said plurality of second codes using a first control unit (212) that is communicated with said vehicle control unit (202) using a second transceiver (214) to enable the authentication process, wherein said key device (210) receives said embedded tones when said key device (210) reaches a vehicle (102) accessing range;
enabling an authentication process using said vehicle control unit (202) when said plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes, wherein said vehicle control unit (202) compares said plurality of second codes transformed from said received embedded tones with said plurality of first codes to check said plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes; and
enabling said user to lock or unlock the vehicle (102) when said plurality of second codes transformed from said received embedded tones are matched with a said plurality of first codes and when said second transceiver (214) located within a predetermined threshold distance.

9. A method of accessing a vehicle (102) using a wireless smart key system (100), wherein the method comprises:
generating a plurality of first codes associated with a vehicle (102) and a plurality of second codes associated with a key device (210) using a code generator (204), wherein said plurality of first codes and said plurality of second codes are associated with each other, wherein said plurality codes are sound signals;
generating embedded tones by embedding said a plurality of second codes with at least one of ultrasonic sounds, non-audible sound or audible sound;
transmitting said embedded tones to said key device (210) using a first ultrasonic sensor (208), wherein each code is embedded with at least one of unique ultrasonic sounds, non-audible sound or audible sound;
transforming said received embedded tones into said plurality of second codes using a first control unit (212) that is communicated with said vehicle control unit (202) using a second transceiver (214) to enable the authentication process, wherein said key device (210) receives said embedded tones when said key device (210) reaches a vehicle accessing range;
enabling an authentication process using said vehicle control unit (202) when said plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes, wherein said vehicle control unit (202) compares said plurality of second codes transformed from said received embedded tones with said plurality of first codes to check said plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes; and
enabling said user to lock or unlock the vehicle (102) when said plurality of second codes transformed from said received embedded tones are matched with a said plurality of first codes and when said second transceiver (214) located within a predetermined threshold distance.

10. The method as claimed in claim 9, the method comprises enabling said user to lock or unlock the vehicle (102) when said plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes and when said second transceiver (214) located within a predetermined threshold distance by calculating distance between the vehicle (102) and said key device (210) by using the frequency and gain of the proximity tones.
, Description:BACKGROUND
Technical Field
[0001] The embodiments herein generally relate to accessing a vehicle and, more especially, to system and method for accessing and starting a vehicle using a wireless smart key device through non-audible signal or audible signal.

Description of the Related Art
[0002] Generally, a vehicle is accessed through a key, turning on of which will connect the key system to a power supply thereby allowing the vehicle to move. This is the external method of user authentication to unlock or lock the vehicle. Today the world is aiming to make everything automatic and thereby eliminating the use of any external or additional effort to make the life of people easier. A key is a device that is used to operate a lock (such as to lock or unlock it). A key is usually intended to operate one specific lock or a small number of locks that are keyed alike, so each lock requires a unique key. The key serves as a security token for access to the locked area; only persons having the correct key can open the lock and gain access. Keys provide an inexpensive, though imperfect, method of access control for access to physical properties. But to carry the key is the difficult part nowadays. There comes the concept of keyless systems. The term keyless entry system in automobiles originally meant a lock controlled by a keypad located at or near the driver's door, which required entering a predetermined (or self-programmed) numeric code. The term remote keyless system (RKS), also called keyless entry or remote central locking refers to a lock that uses an electronic remote control as a key which is activated by a handheld device or automatically by proximity. Widely used in automobiles, an RKS performs the functions of a standard vehicle key without physical contact. When within a few yards of the vehicle, pressing a button on the remote can lock or unlock the doors, and may perform other functions. A remote keyless system may include a remote keyless entry system (RKE), which unlocks the doors and a remote keyless start/ stop system (RKI), which starts the engine.
[0003] So, the related work in the area includes researches in mobile security, end device, wireless remote switching, data over audio, wireless data transfer, mobile payment and non-audible communications. Research on the related work done proves a major drawback prevalent where the customer is seen interfering with the system. In these cases, the lack of security and privacy could be of a concern in the system. Mostly message authentications are used in intra vehicle networks with the help of protocols. The drawback of this system is that they lack security and privacy. To maintain a minimum standard of security and privacy extra systems or modified system are needed. Another system uses gestures and voice to get recognized by the device, but this system will have a lot of problems in tracking the correct gesture and voice. Another disadvantage being the delay in scanning the badge and no proper gesture or voice being captured. In another work, a device is used where some electrical systems are used to deliver the user the services and the disadvantage of the system being that the customer has to initiate the communication. Hence the credibility itself will be an issue. Another system uses the mobile to pay at various portals as a step towards moving to a cashless economy. In this case, the user has to keep direct contact with the end device in order to maintain the connection. This will not be very user-friendly as people get bored and frustrated in maintaining a direct connection. Another work states the use of non-audible acoustic communication to detect the location.
[0004] Users always prefer to use a system where communication happens automatically. As we are moving to a cashless economy wherein all the activities happen automatically and in a better secure way. Hence there is a need for a system to be designed which can aid in providing services with less interaction or just verification is enough for the service from a registered device. This sets the platform for our work to begin.
[0005] Keyless remotes contain a short-range radio transmitter and must be within a certain range, usually 5–20 meters, of the vehicle to work. When a button is pushed, it sends a coded signal by radio waves to a receiver unit in the vehicle, which locks or unlocks the door. Modern systems since the mid-1990s implement encryption as well as rotating entry codes to prevent vehicle thieves from intercepting and spoofing the signal. Earlier systems used infrared instead of radio signals to unlock the vehicle. The system signals that it has either locked or unlocked the vehicle usually through some fairly discreet combination of flashing vehicle lamps, a distinctive sound other than the horn, or some usage of the horn itself. A typical setup on the vehicle is to have the horn or another sound chirp twice to signify that the vehicle has been unlocked, and chirp once to indicate the vehicle has been locked. While two beeps mean that the driver's door is unlocked, four beeps mean all doors are unlocked. One long beep is for the trunk or power tailgate. One short beep signifies that the vehicle is locked, and the alarm is set. The functions of a remote keyless entry system are contained on a key fob or built into the start/ stop key to handle itself. Buttons are dedicated to locking or unlocking the doors and opening the trunk or tailgate. On some vehicles, the power sliding doors can be opened/closed remotely. Some vehicle will also close any open windows and roof when remotely locking the vehicle. Some remote keyless fobs also feature a red panic button which activates the vehicle alarm as a standard feature. Further adding to the convenience, some vehicle’s engines with remote keyless start/ stop systems can be started by the push of a button on the key fob (useful in cold weather). On the vehicle where the trunk release is electronically operated, it can be triggered to open by a button on the remote. Conventionally, the trunk springs open with the help of hydraulic struts or torsion springs and thereafter must be lowered manually. Premium models, such as SUVs and estates with tailgates, may have a motorized assist that can both open and close the tailgate for easy access and remote operation. For offices or residences, the system can also be coupled with the security system, garage door opener or remotely activated lighting devices.
[0006] According to an invention, there is a smart key reminder system which prevents a user from mistakenly leaving a vehicle with the wireless smart key in his possession when the vehicle is running, which would otherwise result in the next driver without a key being stranded once the vehicle is turned off. When the smart key travels more than a predefined distance from the vehicle when the vehicle is running, the smart key reminder system will give the person in possession of the smart key and/or vehicle occupants a warning not to leave the next driver without a key.
[0007] According to an invention, there is a system where the vehicles are equipped with systems to detect remote commands for initiating actions/ sending commands to the vehicle. There are systems using RFID /gestures/motions/ radio signals to detect the presence of the key. According to another aspect of the invention, there is a system where sounds are generated to show the presence of the remote device. A non-transitory computer readable medium storing computer executable code of indicating vehicle presence is provided in another example. The code includes code for detecting a presence of a remote device and code for activating a sound array for generating at least one ultrasound wave to provide haptic feedback based on detecting the presence of the remote device.
[0008] According to an invention, there is a system where the method and device for controlling the opening and closing of an automobile door lock through Bluetooth technology. The method comprises receiving a UUID broadcast by a to be unlocked automobile door lock by a mobile terminal, configuring locking control services corresponding to the to be unlocked automobile door characteristics of the locking control services and configuration descriptors of the characteristics and establishing a Bluetooth connection with system to be unlocked automobile door according to the UUID amending the configuration descriptors of the characteristics through the Bluetooth connection to open or close the to be unlocked automobile door.
[0009] In another work, keyless systems have been used to control access to a cargo zone of a vehicle, which facilitates the work of the driver. When the driver wants to access the cargo zone, he must actuate a transmitter to generate a signal processed to open a rear access door. When exiting the storage area, the driver must tap a switch to close and lock the door. With this system, the driver must remember to open the rear door of the vehicle before leaving his seat and must not forget to close the door when re-entering the cabin. This is tedious, especially for vehicles which are used to deliver goods in several locations, like stores, in a city. On the other hand, keyless access systems have been designed in order to control access and, control auxiliary equipment like an audio device. Such systems are not adapted for vehicles. No known systems take into account the fact that the driver of a vehicle might wish to exit the cabin and to go to a rear door in order to access a cargo area, without having to remember to actuate a transmitter before leaving the cabin or a switch before leaving the cargo area. According to the patent the system includes a main control unit located in the tractor area and adapted to interact with a customer identification device to selectively operate a control access arrangement which allows or prevents access to a driver cabin of the vehicle , a secondary control unit located in or near the cargo area and adapted to interact with the same customer identification device and to selectively operate an actuator which locks or unlocks the access door, and a bidirectional telecommunication arrangement between the main and secondary units.
[0010] Accordingly, there remains a need for a system and method for accessing and starting a vehicle using a wireless smart key device through a non-audible signal which provides high security with minimal interaction.

SUMMARY
[0011] In view of the foregoing, an embodiment herein provides a method for accessing a vehicle using a wireless key system. The method includes (i) generating a plurality of first codes associated with a vehicle and a plurality of second codes associated with a wireless key device using a code generator, (ii) generating an embedded tones by embedding the plurality of second codes with at least one of ultrasonic sounds, non-audible sound or audible sound, (iii) transmitting the embedded tones to the wireless key device using a transceiver, wherein each code is embedded with at least one of an unique ultrasonic sounds, non-audible sound or audible sound, (iv) transforming the received embedded tones into the plurality of second codes using a first control unit, (v) enabling an authentication process using the second control unit to generate an authentication request code for a user that is communicated to the wireless key device using the transceiver, (vi) enabling the user to lock or unlock the vehicle by communicating the received authentication request code with the wireless key system of the vehicle to lock or unlock the vehicle. The plurality of first codes and the plurality of second codes are associated with each other, wherein the plurality codes are sound signals. The wireless key device receives the embedded tones when the wireless key device reaches a vehicle accessing range. A second first control unit enables the authentication process when the plurality of second codes transformed from the received embedded tones is matched with the plurality of first codes. The second control unit compares the plurality of second codes transformed from the received embedded tones with the plurality of first codes to check the plurality of second codes transformed from the received embedded tones is matched with the plurality of first codes.

BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The embodiments herein will be better understood from the following detailed description with reference to the drawings, in which:
[0013] FIG. 1 illustrates a system view for enabling a user to lock/ unlock the vehicle 102 using the wireless smart key system according to an embodiment herein;
[0014] FIG. 2 illustrates an exploded view of the wireless smart key system for accessing a vehicle according to an embodiment herein;
[0015] FIG. 3 is an exemplary block diagram of the wireless smart key system to access the vehicle according to an embodiment herein;
[0016] FIG. 4 is a flow chart illustrating a process of unlocking the vehicle and starting the vehicle using the wireless smart key system according to an embodiment herein;
[0017] FIG. 5 illustrates the block diagram of a unique electrically powered start system to start the vehicle according to an embodiment herein;
[0018] FIG. 6 illustrates an exemplary process flow diagram of accessing the vehicle using a flip flop based on inputs according to an embodiment herein; and
[0019] Fig. 7 illustrates a method of authentication to access the vehicle through the network using the wireless smart key system according to an embodiment herein.
DETAILED DESCRIPTION OF DRAWINGS
[0020] The embodiments herein and the various features and advantageous details thereof are explained more fully with reference to the non-limiting embodiments that are illustrated in the accompanying drawings and detailed in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practised and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein. Referring now to the drawings, and more particularly to FIGS. 1 through 6, where similar reference characters denote corresponding features consistently throughout the figures, there are shown preferred embodiments.
[0021] Definition: Locking a vehicle in terms which means disabling the power supply to the vehicle to stop the vehicle and unlocking a vehicle in terms which means enabling the power supply to the vehicle to run the vehicle.
[0022] FIG. 1 illustrates a system view for enabling a user to lock/ unlock the vehicle 102 using wireless smart key system 100 according to an embodiment herein. An electric or a hybrid vehicle (hereinafter electric or hybrid vehicle referred as a vehicle) 102 includes keyhole 116 which is a mechanical slot for inserting the key 124 is being described onto which the vehicle 102 access is being implemented. The key 124 is removed so that the vehicle 102 can be accessed without the key 124. Thereby allowing a user to use the vehicle 102 without the need for taking care of the key 124. The key 124 is a mechanical component designed for the lock system of vehicle 102 and to allow access to the vehicle 102. The key 124 provide access and also the start/ stop to the system. The wireless smart key system 100 provides the functionality which was provided by a key 124. The vehicle 102 is run by a vehicle energy source 112. In an embodiment, the vehicle energy source 112 includes a lithium-ion battery or any other vehicle energy source and the wireless smart key system 100 that is registered mobile device, personal computer, customer electronic device, smartphone, personal digital assistances and the like which is not limited to but has a microphone, speaker and a microprocessor inbuilt. The vehicle 102 is provided with a unique dashboard 114 which is the brain of the vehicle 102. The vehicle 102 is run by a motor 110 which can be but not limited to a hub motor or an induction motor which could be included in the rear side of the vehicle 102. The communication unit 122 is situated below the dashboard 114 is responsible for the generation, transmission, broadcasting, receiving and processing the tones. On successful reception of the tones, the tones are sent to the server for registration and then an authentication from the server is received to identify the user and then another layer of authentication occurs to verify the received tones.
[0023] The authentication will include the basic methods of authentication which includes not only but also the comparing of the tones or other parameters to the already saved ones. On successful authentication, the control to unlock the vehicle is being issued from the communication unit 122 to the unique electrically powered start/ stop system 120 which helps in unlocking the vehicle. The mechanical start/stop button 118 is used to the mechanical start/stop 118 the vehicle once the vehicle 102 is unlocked. The unique electrically powered start/ stop system 120 connects the mechanical start /stop button 118 to the vehicle energy source 112 and the motor controller. Based on the signal from the communication unit 122 and the mechanical start /stop button 118, the unique electrically powered start/ stop system 120 will be initiated to start the vehicle 102. Once the vehicle 102 is unlocked and started using the mechanical start/stop button 118, the vehicle 102 is free to be accessed as the vehicle energy source 112 is directly available to the vehicle102. The wireless smart key system 100 includes a display screen which displays the options for the user. The display screen will display the different functionalities of the wireless smart key system 100 like home 106 and Application 108. Application 108 will enable to user to select either of the two activities like unlocking 108A the vehicle or locking 108B the vehicle 102. All these are made possible with the help of the electronic system 104 of the wireless smart key system 100. The wireless smart key system 100 is the method to unlock the vehicle 102. The communication between the wireless smart key system 100 and the vehicle 102 is through non-audible acoustic communication. In an embodiment, the activation of the vehicle can be either through the ignition switch or through the control over the battery management system/powertrain.
[0024] FIG. 2 illustrates an exploded view of a wireless smart key system 100 for accessing a vehicle 102 according to an embodiment herein. A wireless smart key system 100 includes a vehicle control unit 202 and a key device 210. The vehicle control unit 202 is located in the vehicle that includes a code generator 204, an embedding unit 206, a first ultrasonic sensor 208. The code generator 204 generates a plurality of first codes associated with a vehicle 102 and a plurality of second codes associated with a key device 210. In an embodiment, the plurality of first codes and the plurality of second codes are associated with each other. The embedding unit 206 that embeds the plurality of second codes with at least one of ultrasonic sounds, non-audible sound or audible sound. The first ultrasonic sensor 208 is located in the vehicle 102 and that transmits the embedded tones to the key device 210. In an embodiment, each code is embedded with at least one of unique ultrasonic sounds, non-audible sound or audible sound. The key device 210 includes a first control unit 212 that transforms the received embedded tones into the plurality of second codes using a second transceiver 214 to enable the authentication process. The vehicle control unit 202 enables the user to lock or unlock the vehicle 102 when the plurality of second codes transformed from said received embedded tones are matched with a said plurality of first codes and when the second transceiver 214 is located within a predetermined threshold distance. In an embodiment, key device 210 receives the embedded tones when the key device 210 reaches a vehicle accessing range. In an embodiment, the vehicle control unit 202 generates at least one of (i) an unlocking signal or (ii) a locking signal when the plurality of second codes transformed from said received embedded tones are matched with said plurality of first codes and when the second transceiver 214 is located within a predetermined threshold distance. A vehicle energy source 112 provides power to the unique electrically powered start/ stop system 120 that unlocks or locks the vehicle 102 by processing at least one of (i) the unlocking signal or (ii) the locking signal that is received from the vehicle control unit 202. In an embodiment, the plurality of tones comprises proximity tones and user identification tones.
[0025] FIG. 3 is an exemplary block diagram of the wireless smart key system 100 to access the vehicle 102 according to an embodiment herein. In an embodiment, the dashboard 114 of the vehicle 102 is the master board where all the decision regarding the trip is being collected, recorded, processed and transmitted. The communication unit 122 is situated below the dashboard 114 includes a first ultrasonic sensor 208, a speaker 320 and a microphone 322 communication unit 122 continuously transmits and receives the proximity tones that is ultrasonic tones. In an embodiment, the first ultrasonic sensor 208 consists of transmitter and receiver which helps in transmitting and receiving the tones in the normal type of communication while the first ultrasonic sensor 208 along with the receiver unit helps in the broadcast and receiving of the tones in the broadcast mode of communication. When the wireless smart key system 100 is in the application 108 and comes in the proximity of the vehicle, it will receive the proximity tones. In an embodiment, the electronic system 104 includes inbuilt electronics on which the application 108 is installed. In another embodiment, on receiving the proximity tones 310 the electronics system 104 of the wireless smart key system 100 sends a user identification tone 312. On receiving the user identification tone 312, the authentication of the user identification tone 312 is done and if successful, the system responds by sending the request 314 to the key device 210 for allowing the access to the vehicle 102 from the first ultrasonic sensor 208. In an embodiment, the electronic system 104 of the key device 210 receives a request 314 from the speaker 320 of the communication unit 122 for allowing access to the vehicle 102 after successful authentication.
[0026] FIG. 4 is a flow chart illustrating a process of unlocking the vehicle 102 and starting the vehicle 102 using the wireless smart key system 100 according to an embodiment herein. At step 402, a plurality of tones is generated and transmitted using a first ultrasonic sensor 208. At step 404, the plurality of tones is detected in the proximity range with respect to the range using a key device 210. At step 406, a code generator generates a plurality of first codes and a plurality of second codes. At step 408, the plurality of first codes and the plurality of second codes are embedded with at least one of ultrasonic sounds, non-audible sound or audible sound. At step 410, a first ultrasonic sensor 208 located in the vehicle 102 that transmits said embedded tones to said key device 210. At step 412, a first control unit 212 transforms the received embedded tones into a said plurality of second codes that is communicated with the vehicle control unit 202 using a second transceiver 214. At step 414, the vehicle control unit 202 matches the plurality of second codes transformed from the received embedded tones is matched with the plurality of first codes to enable the authentication process. At step 416, the vehicle control unit 202 enables the user to lock or unlock the vehicle 102 when the plurality of second codes transformed from the received embedded tones is matched with the plurality of first codes and when the second transceiver 214 located within a predetermined threshold distance.
[0027] FIG. 5 illustrates the block diagram of the unique electrically powered start/ stop system 120 to start vehicle 102 according to an embodiment herein. The wireless smart key system 100 is initiated upon the pressing of the mechanical start /stop button 118 and the Proximity tone detection 508. Proximity tone detected 508 once when the vehicle 102 and the key device210 is in close proximity. This ensures the validation of vehicle 102 to be used by the user immediately. The pressing of the mechanical start /stop button 118 initiates the process to start/ stop the vehicle. The signal is passed on to the T Flip-flop 502 which is in turn controlled by the reset pin of the T flip flop 502. The Reset pin is controlled by the proximity. When the vehicle 102 and the key device 210 is in close proximity then the proximity outputs a ‘HIGH’ in its output line. This ‘HIGH’ will enable the T Flip-flop 502 to work like a normal T Flip-flop 502. When the vehicle 102 and the key device 210 are far apart or lose its proximity boundary then a ‘LOW’ is placed on the proximity line which is fed to the reset pin of the T Flip-flop 502. When a reset ‘LOW’ is encountered the output is pulled down to ‘LOW’ clearing the previous value resetting irrespective of the input. When a ‘HIGH’ is placed on the reset line of the T Flip-flop 502, the Flip-flop acts like a T Flip-flop 502, toggling the output depend on the clock. The input pin of the Flip-flop a ‘HIGH’ is tied and the input key pressing is fed to the clock pin. This will allow a pulse signal to be fed to the clock input. The output of the proximity is connected to the reset pin of the T Flip-flop 502. The T Flip-flop 502 gives a ‘HIGH’ output only when both the inputs are ‘HIGH’. This ‘HIGH’ output will drive the optocoupler 503 and which will, in turn, feed the SPST relay 504. The SPST relay 504 is connected to the power from the vehicle energy source 112. The SPST relay 504 also connects to the Motor controller 316. Once when the ‘HIGH’ output is fed to the optocoupler 503 which initiates the motor controller 16 through the SPST relay 504, the vehicle starts. The output of the T Flip flop 502 with the proximity tone detection 508 tied to the reset pin, the mechanical start /stop button 118 tied to the clock pin and the T input of the flip flop tied to ‘HIGH’ always.
[0028] FIG. 6 illustrates an exemplary process flow diagram of accessing the vehicle 102 using a flip flop based on inputs according to an embodiment herein. The reset input is used to reset the start/ stop system. The reset is defined such that when the vehicle 102 and the key device 210 is in close proximity the reset is fed the value ‘HIGH’ 604 and hence the T Flip Flop 502of the start system works in the toggle mode. When the wireless device moves away from the vehicle the proximity sets the reset to the value ‘LOW’ 606 and hence the T Flip-flop 502 resets. The T input of the T flip flop 502 is fed a ‘HIGH’ 608 values always. The clock input of the T flip flop 502 is fed the input from the mechanical start/stop button 118. Accordingly, the figure shows that the output is ‘LOW’ 610 when the reset is ‘LOW’ irrespective of the other inputs. The output can toggle to a ‘HIGH’ 612 only once when the reset is held ‘HIGH’, T input is ‘HIGH’ and the clock is switched from ‘LOW’ to ‘HIGH’. The clock signal turns to a ‘LOW’ value and remains in ‘LOW’ state for the rest of the time and hence the output now remains in no change condition leading to give a ‘HIGH’ state on the output line. Now when the mechanical start /stop button 118 is pressed for the second time 614 the vehicle 102 is given a signal to enter into the stop stage as the output is pulled to a ‘LOW’ state. Hence it should be reminded that the button should be pressed once 602 to start a vehicle 102 and double pressing will lead to the stopping of the vehicle 102. Once the vehicle 102 is stopped in such a way, pressing the mechanical start /stop button 118 itself will help to start the vehicle 102 again. If the user stops the vehicle without pressing the mechanical start /stop button 118, then the vehicle 102 needs to be switched off. This is taken care of by the reset pin. Once when the user is not in the proximity of the vehicle 102, the reset is pulled to ‘LOW’ and thereby the output is pulled to ‘LOW’ thereby signalling for the vehicle 102 to enter the stop stage.
[0029] Fig. 7 illustrates a method of authentication to access the vehicle 102 through the network using the wireless smart key system 100 according to an embodiment herein. On successful reception of the tones, the tones are sent to the server for registration and then an authentication from the server is received to identify the user and then another layer of authentication occurs to verify the received tones as per another embodiment herein. The user confirms the access by accepting the request which initiates the access to the vehicle 102. Once the access is allowed, the vehicle control unit 202 enables the control signal to the unique electrically powered start/ stop system 120 to unlock the vehicle 102. The mechanical start/stop button 118 inputs are also fed to the unique electrically powered start system 120. The electrical control is given to unique electrically powered start/ stop system 120 which is powered by the vehicle energy source 112. The unique electrically powered start/ stop system 120 will control the motor controller 316 and the feedback from the motor 110 is used to know the current status of the vehicle 102 at every instant.
[0030] The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practised with modification within the spirit and scope.