These darned old computers

From: James E. LaBarre <>
Date: Thu Aug 29 10:51:00 2002

No, the remote that came with a TV my grandmother had (mid 1960's) had
only 2 buttons. I think it worked either by the clicking, or a static
pulse. All it did was select channels up & down.

Sellam Ismail 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,
Received on Thu Aug 29 2002 - 10:51:00 BST

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