Beam detector

Details Beam detector Beam detector

1998-08-25

2000-12-26

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

33293, 356400, G01C 308, G01C 1506, G01B 1100

Patent

active

061668028

ABSTRACT:
A reference beam detector according to the invention can be used to accurately and efficiently perform a level shifting operation by means of a reference beam and effectively eliminate the use of markers and other devices that are structurally simple but entail cumbersome operations and also the use of a level shifter. The beam detector comprises a detector main body having a beam receiving section for detecting an emitted laser beam, a display section for displaying the position of receiving the emitted beam relative to the reference position of the beam receiving section and a slidable index section having an index for indicating the position relative to the reference position.

REFERENCES:
patent: 4023908 (1977-05-01), Johnson et al.
patent: 4029415 (1977-06-01), Johnson
patent: 4030832 (1977-06-01), Rando et al.
patent: 4732471 (1988-03-01), Cain et al.
patent: 5894344 (1999-04-01), Tamez et al.

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