Watch for the space orientation in addition to the time orientat

Horology: time measuring systems or devices – Astronomical

Patent

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33271, G04B 1926

Patent

active

044875118

ABSTRACT:
A watch adapted for use as a compass in addition to indicating local and remote times. The watch is provided with a dial, supplemental pointer, a microprocessor, and a keyboard for introducing selected data and operations into the microprocessor. The watch-compass and method is used for time and space orientation, in navigation such as for checking a magnetic compass or gyroscope, for calculation of azimuth angles, and for orientation of the user in unfamiliar locations.

REFERENCES:
patent: 4136397 (1979-01-01), Pierce
patent: 4253169 (1981-02-01), Salah
patent: 4396293 (1983-08-01), Mizoguchi

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