Digital watch analyzer

Details Digital watch analyzer Digital watch analyzer

1977-03-10

1978-03-14

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G04B 1700

Patent

active

040784207

ABSTRACT:
Disclosed is an analyzer for producing a digital display of the rate of deviation of a solid state wristwatch from a predetermined norm. It comprises a counter and calculator into which are gated a series of high frequency pulses for a period of time dependent upon the operating frequency of the wristwatch time base under test. Included is a keyboard connected by a manual switch to the calculator so that the device may be operated in a calculator mode as well as a clock circuit by means of which the digital display may be used to indicate time.

REFERENCES:
patent: 3238764 (1966-03-01), Greiner
patent: 3654449 (1972-04-01), Boyee
patent: 3816730 (1974-06-01), Yamamoto
patent: 3892124 (1975-07-01), Reese
patent: 3946591 (1976-03-01), Yanagawa
patent: 3946592 (1976-03-01), Ichikawa

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