[Elecraft] Sideband reversal

[Margaret Leber]

On Monday 28 January 2002 11:56, Rod Proctor wrote:
> The answer to why the touch-tone pad is arranged the opposite of a
> calculator is that the early touch-tone keypads and Telco tone
> receivers could not keep up with the key punches by people trained to
> use calculator keypads.  Bell Labs decided to arrange the keypad the
> opposite of the adding machine so that users would enter the
> keystrokes more slowly.

Sounds like a mutant version of the story about why the QWERTY keyboard 
is arranged the way it is. 

 73 de Maggie K3XS

-- 
-----/___.   _)   Margaret Stephanie Leber    / "The art of progress  /
----/(, /|  /| http://voicenet.com/~maggie   / consists of preserving/
---/   / | / |  _   _   _    `  _AOPA 925383/ order amid change and /
--/ ) /  |/  |_(_(_(_/_(_/__(__(/_  FN20hd / change amid order."   /
-/ (_/   '  K3XS  .-/ .-/    ARRL 39280   /___ --A.N.Whitehead ___/
/____ICQ 7161096_(_/_(_/__AMSAT 32844____/ <maggie@voicenet.com>