Method, integrated circuit, mechanical analog clock movement and

Details Method, integrated circuit, mechanical analog clock movement and Method, integrated circuit, mechanical analog clock movement and

1993-08-03

1994-05-03

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

Phonetic

368 74, 368 80, 368187, G04B 2108, G04B 2302, G04B 1904

Patent

active

053094131

ABSTRACT:
A talking analog clock comprises an analog mechanical clock movement in which the minutes mechanism has attached to it a switch that opens and closes for each minute elapsed. A digital synchronizing circuit is included that senses the closing and opening of the switch and uses these events to increment a digital time-keeping circuit. A directional switch attached to a winding stem and connected to the digital synchronizing circuit allows the digital time-keeping circuit to be incremented or decremented with the winding stem. The time in the current time memory is thereafter locked in synchronization with the analog time shown on the display dial. A user can therefore set the time or an alarm time in a simple way.

REFERENCES:
patent: 3919834 (1975-11-01), Murakami
patent: 4073133 (1978-02-01), Earls et al.
patent: 4280209 (1981-07-01), Mooney
patent: 4470707 (1984-09-01), Chambon et al.
patent: 4531841 (1985-07-01), Puff
patent: 4799890 (1989-01-01), Thomeson et al.
patent: 5239523 (1993-08-01), Chin-Hsing

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