These darned old computers

From: Ross Archer <archer_at_topnow.com>
Date: Tue Aug 27 20:41:00 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...
>
> Peter Wallace

Yes, Zenith. If I recall correctly, their remote-control
system was called "Space Command" or something like that.
Received on Tue Aug 27 2002 - 20:41:00 BST