06 Mar 08 07:16, TOM WALKER wrote to ROY WITT:


 RW>> TW> Some of the Early TV remotes were Ultrasonic Sound also. The
 RW>> TW> Origional Zenith is one that comes to mind.

 RW>> That was my first remote TV...if you held the remote to your ear
 RW>> when you clicked a button, you could hear it ping and vibrate. Of
 RW>> course, that was the hammer or whatever they used to generate the
 RW>> ultrasound, you never heard the tones.

 TW> That is right. There was a minature Xylophone inside and little
 TW> Hammers that hit the bars for each remote function when you pushed
 TW> the button.

I never took one apart...I would assume that to be the case.

                R\%/itt



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