Timepiece for displaying both time and orientation of the timepi

Details Timepiece for displaying both time and orientation of the timepi Timepiece for displaying both time and orientation of the timepi

1982-10-27

1984-11-13

Roskoski, Bernard

Horology: time measuring systems or devices

Combined with disparate device

368 14, 368223, 368228, G04B 4700

Patent

active

044822553

ABSTRACT:
A timepiece is provided which in addition to indicating information concerning the time and the date furnishes information relating to the direction and sense of the terrestrial magnetic field. The display is provided with an arrow which may be permanent or displayed at the will of the user and which indicates in which sense the display must be turned in order to align a fixed axis with the direction of the terrestrial field. An azimuth indication may appear giving the angle between the direction north and the route followed. A built in static detector picks up indications of the magnetic field.

REFERENCES:
patent: 3197880 (1965-08-01), Rice et al.

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