back to the AGC, was Re: TTL 7400's Available

woodelf bfranchuk at
Tue Jan 2 22:39:48 CST 2007

Brent Hilpert wrote:
> Chuck Guzis wrote:

> And whats up with this mention of LCD displays? I didn't think there was
> anything practical available that early, or that was going to stand up to the
> rigours of space-flight - I have a calc with one of the first commercial LCDs
> (1972) and it's still kind of rudimentary - slow, poor contrast, temperature sensitive...

Doing a bit of googling on the AGC, I found that it uses electroluminescent displays.

> (And it confirmed that the AGC was constructed from a single gate/IC type.)

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