Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!lll-winken!elroy.jpl.nasa.gov!zardoz.cpd.com!dhw68k!ofa123!rick 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 On 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. -- Rick Ellis Internet: rick@ofa123.fidonet.org Compuserve: >internet:rick@ofa123.fidonet.org BBS: 714 939-1041 --------------------------------------------------------------------------