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From: Keith Wootten
Subject: Re: Remote Control - Any Idea?
User-Agent: Turnpike/6.02-U (<7r9OMDU2ooRJCQmjnYJxyjtHfm>)
X-Inktomi-Trace: pc2-rdng1-6-cust162.winn.cable.ntl.com 1036572658 19142 188.8.131.52 (6 Nov 2002 08:50:58 GMT)
Date: Wed, 6 Nov 2002 08:46:18 +0000
NNTP-Posting-Date: Wed, 06 Nov 2002 08:50:59 GMT
Organization: ntl News Service
In message , Ian
>> You could probably do it more simply by having 20 (or whatever) IR LEDs
>> adjacent to - but not obscuring - each VCR IR receiver. When on, they
>> would swamp the adjacent IR receiver such that it would ignore the
>> remote. Connect series visible LEDs to show which VCRs are 'blinded'.
>You want to do something like "jamming" IR receivers or have I got it wrong?
That's right. A simple DC energised IR LED in close proximity to the
receiver will 'dazzle' its photo diode and swamp any real signal.
'Jamming' (which the OP suggested) maybe tends to imply something a
little more sophisticated.
I suspect a small filament lamp would work too.
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