The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
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 220.127.116.11 (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.
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup