[mzs]

There was also Honda's Gyrocator a few years earlier:

http://world.honda.com/history/challenge/1981navigationsyste...

[Baeocystin]

I'd never seen that before. Neat. Honda has always impressed me as an engineering company.

[S_A_P]

I remember Alpine electronics had something very similar. I wonder if it was a joint effort?

[mzs]

It was.