These darned old computers

From: Don Maslin <donm_at_cts.com>
Date: Wed Aug 28 00:19:00 2002

On Tue, 27 Aug 2002, Peter C. Wallace wrote:

> On Wed, 28 Aug 2002, Tony Duell wrote:
>
> > Some US company (I forget who) made an ultrasonic remote controlled valve TV
> > where the remote was essentially tuned metal bars that were mechanically
> > hit when the button was pressed. No electronics in the handset at all.
> > The receiver in the TV detected one of 4 (or so) different frequencies
> > corresponding to the 4 buttons on the remote, and then operated a relay
> > to trigger the appropriate function (I think channel selection was done
> > using an electromechanical stepping swtich, etc).
> >
> > -tony
> >
> I think that was Zenith, My uncle used to have one. It would turn on if you
> jingled your keys...

I think you are correct. IIRC, ours was known to come to life under the
influence of the vacuum cleaner on occasion.
                                                - don

> Peter Wallace
>
>
Received on Wed Aug 28 2002 - 00:19:00 BST