04529980 is referenced by 136 patents and cites 7 patents.

Transmitters and receivers for controlling remote elements which use a synchronous serial transmission format and which allows changes in coding to be automatically made between the receiver and transmitter and wherein the code is stored in memories of the transmitter and receiver and wherein the receiver can generate and transmit a new code with a light emitting diode so as to change the code in the transmitter. The transmitter and the receiver use micro-computers which are suitably programmed and include non-volatile memories.

Title
Transmitter and receiver for controlling the coding in a transmitter and receiver
Application Number
6/422451
Publication Number
4529980
Application Date
September 23, 1982
Publication Date
July 16, 1985
Inventor
Joseph W Twardowski
Schaumburg
IL, US
Frank J Liotine
Bartlett
IL, US
Agent
Hill Van Santen Steadman & Simpson
Assignee
Chamberlain Manufacturing Corporation
IL, US
IPC
H04B 7/00
H04Q 9/00
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