Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Position determining
Patent
1981-02-06
1983-10-04
Boudreau, Leo H.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Position determining
242191, 340814, 360 723, B65H 5938, B65H 7700, H02P 546, H02P 768
Patent
active
044083351
ABSTRACT:
Method and apparatus for synchronizing a display with tape movement utilizing a clock means for driving the display, and adjusting the rate of the clock means according to measured movement of the tape to maintain the clock and thus the display in synchronization.
REFERENCES:
patent: 3587084 (1971-06-01), Schmidhauser
patent: 3735387 (1973-05-01), Miller
patent: 4139872 (1979-02-01), Tachi
patent: 4140896 (1979-02-01), Robertson
patent: 4172231 (1979-10-01), D'Arc et al.
D'Alayer de Costemore d'Arc Stephane M.
Lockey David J.
Boudreau Leo H.
Staar S. A.
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