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Method of teaching transmitter codes to remote receivers
| Details |
Inventors: Benzie, Thomas; Settles, Steven; Feldman, Andrea;
Assignee: Lear Automotive Dearborn, Inc. (Southfield, MI)
Primary Examiner: Horabik; Michael
Assistant Examiner:
Attorney, Agent or Firm: Brooks & Kushman P.C.
An improved method for programming a vehicle remote entry receiver includes transmitting the information over the vehicle data bus line. A diagnostic box which is typically utilized to check the electrical systems on the vehicle is provided with a switch that moves the vehicle receiver into a programming mode. Information with regard to the transmitters that are to be associated with the vehicle receiver may then be transmitted over the bus line to the receiver. Alternatively, the receiver itself may capture the transmitter signals. |
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DETAILED DESCRIPTION In a disclosed embodiment of this invention, the signal to place the receiver in programming mode is sent through a communication bus line associated with the vehicle system, after the receiver has been mounted onto the vehicle.
A simple switching procedure is utilized to place the receiver in its programming mode, and the receiver is then taught the codes for the particular transmitters.
With this method, the receivers need not be bundled with the transmitter until after the final vehicle assembly.
Instead, transmitters may be selected at a late assembly line location and then programmed into the receiver.
This reduces complications for the vehicle assembler.
In one preferred embodiment, the diagnostic box, which is typically connected to the bus line to perform a final quality check of vehicle electrical systems, is utilized to send the receiver the signal to move into programming mode.
The diagnostic box is preferably modified to include a start or program button that sends the signal.
The diagnostic box is provided with a harness that is connected to the computer bus line.
When testing is complete the box is disconnected and the vehicle component wire harness is attached to the bus line.
In a preferred embodiment, the diagnostic box is also provided with its own receiver.
The operator transmits a signal from a first transmitter to the diagnostic box receiver where it is captured and stored.
Subsequent transmitter signals are also captured and stored at the diagnostic box receiver.
Once all required signals have been captured, the diagnostic box sends the code over the communication bus line to the receiver.
The diagnostic box is preferably provided with a series of prompt lights to assist the operator in performing these required steps in the proper sequence.
With the diagnostic box based receiver, noise may be de-tuned from other machines on the assembly line, and from adjacent assembly lines, where programming of other receivers may be taking place.
In one embodiment, the antenna associated with the receiver on the diagnostic box is made to only accept a signal from very close range
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