System for wireless communication between components of a vehicle
First Claim
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1. An apparatus for controlling a device on a motor vehicle, that apparatus comprising:
- a source mounted to the motor vehicle which provides an operating signal which indicates an operational state for the device;
a control circuit connected to the source and having a transmitter which responds to the operating signal by wirelessly transmitting an operational command using a Digital Enhanced Cordless Telecommunication protocol; and
a controller connected to the device and having a receiver for receiving communications which use the Digital Enhanced Cordless Telecommunication protocol, wherein the controller receives the operational command from the transmitter and responds to the receiver by controlling the device according to the operational command.
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Abstract
A device on a motor vehicle is controlled by selecting a function for the device to perform. The selection is conveyed to a control circuit which wirelessly transmits a message using the Digital Enhanced Cordless Telecommunications protocol, wherein the message identifies the device and function. A controller receives the message and recovers the identification of the device and the function and then responds by activating the device to perform that function.
106 Citations
18 Claims
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1. An apparatus for controlling a device on a motor vehicle, that apparatus comprising:
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a source mounted to the motor vehicle which provides an operating signal which indicates an operational state for the device;
a control circuit connected to the source and having a transmitter which responds to the operating signal by wirelessly transmitting an operational command using a Digital Enhanced Cordless Telecommunication protocol; and
a controller connected to the device and having a receiver for receiving communications which use the Digital Enhanced Cordless Telecommunication protocol, wherein the controller receives the operational command from the transmitter and responds to the receiver by controlling the device according to the operational command. - View Dependent Claims (2, 3)
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4. A method for controlling a device on a motor vehicle, that method comprising:
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an apparatus mounted to the motor vehicle selecting a function for the device to perform;
transmitting a message from a control circuit by using a Digital Enhanced Cordless Telecommunications protocol, wherein the message includes an indication of the function; and
receiving, at a controller, the message sent using the Digital Enhanced Cordless Telecommunications protocol;
recovering the indication of the function from the message that was received; and
the controller activating the device to perform that function. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11)
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12. A method for controlling a device on a motor vehicle, that method comprising:
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an apparatus mounted to the motor vehicle selecting a function for the device to perform;
searching a plurality of frequencies for one which is available to use to transmit a message;
transmitting, from a first location, a message in a time slot of a message frame at an available frequency, wherein the message includes an identifier of the device and an indication of the function; and
receiving the message at a second location that is remote from the first location;
recovering the identifier of the device from the message that was received;
recovering the indication of the function from the message that was received; and
responding to the identifier of the device and the indication of the function by the activating the device to perform that function. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification