Solar compass

Details Solar compass Solar compass

1994-06-03

1995-06-20

Gutierrez, Diego F. F.

Geometrical instruments

Straight-line light ray type

Celestial

33268, G01C 1734

Patent

active

054251788

ABSTRACT:
An accurate, easy to use solar compass which permits a user to locate true north or to locate azimuth lines. The user calculates the solar time and determines the declination of the sun from the emphrimis. The user adjusts the compass to compensate for the declination of the sun and the physical location of the user. The user thus determines true north accurately using a shadow cast by a stylet. An important aspect of this invention is that it is an accurate solar compass.

REFERENCES:
patent: D302124 (1989-07-01), Bevins
patent: 2531932 (1950-11-01), Brown
patent: 2637108 (1953-05-01), Viesturs
patent: 4028813 (1977-06-01), Eldridge
patent: 4899451 (1990-02-01), Dandurand

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