Execution height display device and execution height setting sys

Details Execution height display device and execution height setting sys Execution height display device and execution height setting sys

1998-09-03

2000-05-23

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 307, G01C 308, G01C 500

Patent

active

060671483

ABSTRACT:
An execution height setting system 100 includes laser device 102 for setting a horizontal reference plane by rotatably radiating a laser beam and a execution height display device 104. The execution height display device 104 has a light receiving section 112 for receiving the laser beam, an indexing section 118 for indicating a shift of the sensed laser beam relative to the reference position, and a data display section 108 for displaying the inputted grade or execution height. As the execution height display device 104 receives the laser beam, it senses the distance between the laser device 102 and the execution height display device 104 and then computes the desired execution height based on the set grade value. The computation result for the execution height is displayed on the execution height display portion 108c.

REFERENCES:
patent: 4029415 (1977-06-01), Johnson
patent: 4062634 (1977-12-01), Rando et al.
patent: 4600997 (1986-07-01), Cain et al.
patent: 4756617 (1988-07-01), Cain et al.

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