Electronic watch

Details Electronic watch Electronic watch

1974-05-09

1976-07-13

Zazworsky, John

Communications: electrical

Systems

With specific power supply

307251, 307262, 307269, H03K 1760, H03K 112

Patent

active

039697193

ABSTRACT:
A system for controlling the relative phase of a pair of relatively high voltage signals in response to a relatively low voltage control signal from a source. The system includes a source for providing a pair of periodic relatively high voltage signals of opposite phase, a level converter adapted to be coupled to the source of low voltage control signal for converting the low voltage control signal to a high voltage control signal, and a transfer gate having a pair of transfer inputs each coupled to a different one of a pair of periodic relatively high voltage signals and a control portion coupled to the level converter for transmitting a first one of the pair of periodic relatively high voltage signals to the output in the absence of the control signals and for transmitting the other one of the pair of periodic relatively high voltage signals to the output when the control signal is present.

REFERENCES:
patent: 3350651 (1967-10-01), Davis
patent: 3703710 (1972-11-01), Kubo et al.

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