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Article #10014

TV remote control codes

#10014
From: Rick Ellis
Date: Fri, 08 Feb 1991 04:16
32 lines
1314 bytes
On <Feb 05 09:12> Robert Wier writes:

 RW>  What looks like is happening is that there 
 RW>  is an initial burst of information which is complex, followed
 RW>  by much simpler repeats.  

Many remotes do this, some just repeat the entire code, some don't repeat at 
all, some repeat 2 or 3 times only, ad nauseum.

 RW>  I seem to recall that the initial
 RW>  burst is a manufacturer/device ID so that conflicts between
 RW>  different pieces of equipment can be avoided.  The pulses are
 RW>  sent at about 40khz.

There is no real "standard" so it very much depends on what remote you're 
looking at.  Just about every encoding scheme you can think of has been used and 
many more you'd never think of.




 




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Rick Ellis
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From: rick@ofa123.fidonet.org (Rick Ellis)
Newsgroups: sci.electronics
Subject: TV remote control codes
Message-ID: <2407.27B2CBE1@ofa123.fidonet.org>
Date: 8 Feb 91 04:16:35 GMT
Organization: Universal Electronics Inc.
Lines: 32