Colin Burchall wrote:
> Have you ever been in the presence of
> an old ultrasonic remote control and been annoyed by it?
No, thankfully.
> Can you hear
> the squeal from ultrasonic proximity detectors?
Sometimes the ones in libraries and supermarkets. Its more like feeling it in the back
of
your skull than hearing it. It's not very loud until you stand right next to them -
that's
why I usually hurry through doorwats. :o)
> Those woofer stopper
> things that emit ultrasonic noise to quieten noisy dogs must drive you
> mad too!
Never seen or heard one, I'd imagine it would get on my nerves.
--
Magic
Location : Portsmouth, England, UK
Homepage : http://www.mattnet.freeserve.co.uk
EMail : mailto:[EMAIL PROTECTED]
-----------------------------------------------------------------
To stop getting this list send a message containing just the word
"unsubscribe" to [EMAIL PROTECTED]
