Rockwell PPS-4 info (was 8008 v. 4004...)

[Dave McGuire]

On Dec 18, 2008, at 10:13 PM, Chris Elmquist wrote:
>>> There was a later PPS-4/1 single-chip version. I don't know how  
>>> popular
>>> this
>>> stuff was but I wonder if there aren't more PPS-4 systems buried in
>>> equipment
>>> and appliances from the period than is commonly known. (I have  
>>> wondered,
>>> for
>>> example, what the 70's-era Amana Radarange microwave ovens used for
>>> control.)
>>
>>   Umm...mechanical timers.
>
> No! it was a "Touchmatic".  Had a capacitive keypad and LED display.
> Very cool for 1974.  Mom cooked a meatloaf in it in a bundt pan.  Came
> out indistinguishable from a lawn tractor tire.
>
> http://www.sciencemuseum.org.uk/images/object_images/ 
> 277x265/10240744.jpg

   Ack, I stand corrected!  I must've been thinking of another oven.

          -Dave

-- 
Dave McGuire
Port Charlotte, FL