Height sensing device

Details Height sensing device Height sensing device

1975-08-27

1976-07-06

Smith, Alfred E.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231R, 250561, H01J 314

Patent

active

039683648

ABSTRACT:
A height sensing device is provided which comprises a beam interrupter which swings into and out of the path of a beam passing from a light source to a photodiode. The beam interrupter is a disc rotatably mounted on a swinging sensor. The disc has a slot eccentrically located about the rotational axis of the disc. For adjustment, the disc may be rotated relative to the sensor to bring a portion of the slot into the beam path and then locked in such a position onto the sensor.

REFERENCES:
patent: 3775617 (1973-11-01), Dubauskas
patent: 3887806 (1975-06-01), Rodak et al.
patent: 3889111 (1975-06-01), Moss

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