Three dimensional laser beam survey system

Details Three dimensional laser beam survey system Three dimensional laser beam survey system

1986-08-20

1989-05-16

Evans, F. L.

Optics: measuring and testing

For optical fiber or waveguide inspection

356 4, 356152, 356375, 356400, G01B 1114, G01B 1126

Patent

active

048304891

ABSTRACT:
A laser beam alignment system includes a transmitter which establishes a laser reference plane by continuously rotating a horizontal laser beam about the transmitter. A remotely located receiver senses the elevation of the laser reference plane and reflects a portion of the laser energy back to the transmitter where the reflected energy is employed to produce a signal indicative of the range of the receiver and its location with respect to a reference axis. The position of the receiver is thus established in three dimensions.

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patent: 3813171 (1974-05-01), Teach et al.
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patent: 4030832 (1977-06-01), Rando et al.
patent: 4471530 (1984-09-01), Kirven
patent: 4729660 (1988-03-01), Tsumura et al.

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