Path: utzoo!telecom-request
Date: 23 May 91 12:34:43 GMT
From: Mark Himelfarb <markh@gamwich.hw.stratus.com>
Newsgroups: comp.dcom.telecom
Subject: Re: Why Are *Telephone Keypads* Built Upside Down
Reply-To: Mark Himelfarb <markh@gamwich.sw.stratus.com>
Message-ID: <telecom11.393.10@eecs.nwu.edu>
Organization: Stratus Computer, Hardware Engineering
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X-Telecom-Digest: Volume 11, Issue 393, Message 10 of 14
Lines: 13

I seem to recall reading some early-1960's Bell System Technical
Journal articles that addressed the configuration of the 'new' touch
tone keypad.  They had the present keyboard, keyboard with '1 2 3' on
the bottom, even ten buttons as a fixed rotary dial.

The present keypad was found to be the best combination of speed and
accuracy.


Mark Himelfarb
Stratus Computer---------->  mark_himelfarb@es.stratus.com