18 Dec
2008
18 Dec
'08
3:29 p.m.
On Wed, December 17, 2008 3:05 pm, Brent Hilpert 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.
-Dave
--
Dave McGuire
Port Charlotte, FL