Optoelectronic stadia

Details Optoelectronic stadia Optoelectronic stadia

1986-03-24

1988-03-15

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

33293, 33294, 356152, G01C 308, G01B 1126

Patent

active

047309202

ABSTRACT:
An optoelectronic stadia is proposed, which is intended for a levelling system with a rotary laser. The stadia has at least one vertical row of light sensitive diodes, which are electrically connected in matrix form. One diode pair in each case forms one matrix node. The column signals and line signals are decoded and evaluated in an evaluation apparatus and the measured result is supplied to a display means. The matrix arrangement of the diodes leads to a very simple construction with relatively few components.

REFERENCES:
patent: 3539995 (1970-11-01), Branot
patent: 3564257 (1971-02-01), Berry et al.
patent: 3708671 (1973-01-01), Story
patent: 3894230 (1975-07-01), Rorden et al.
patent: 4030832 (1977-06-01), Rando et al.
patent: 4032801 (1977-06-01), Fulkerson
patent: 4200787 (1980-04-01), Carson

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