Electronic light beam tester

Details Electronic light beam tester Electronic light beam tester

1981-06-22

1984-03-06

Punter, William H.

Optics: measuring and testing

Lamp beam direction or pattern

356222, G01V 142

Patent

active

044350783

ABSTRACT:
The invention concerns an opto-electrical device for measuring the orientation and the characteristic luminous intensities of light beams.
The device is essentially characterized by containing at least: a screen on which photo-electric transducers are situated, a positioning device for the screen according to a reference direction, amplifiers and voltage dividers which give signals proportional to the characteristic luminous intensities sensed by the transducers and comparators for comparing the ratios between the voltage and between the maxima of sub-sets of voltages.

REFERENCES:
patent: 3515483 (1970-06-01), Irwin
patent: 3520618 (1970-07-01), Bentley
patent: 3531705 (1970-09-01), Nussmeier

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