Through-beam optical detector system with alignment aid

Details Through-beam optical detector system with alignment aid Through-beam optical detector system with alignment aid

1982-11-12

1986-12-02

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Housings

250221, 356399, G01B 1127

Patent

active

046266836

ABSTRACT:
A through-beam optical detector system using a universal dual port transmitter housing module is provided with an auxiliary light source in the available but unused port of the transmitter housing module for transmitting visible light to aid alignment of transmitter and receiver.

REFERENCES:
patent: 3471241 (1969-10-01), Hendrixson et al.
patent: 3535539 (1970-10-01), Malespina et al.
patent: 4013886 (1977-03-01), Schmid
patent: 4354106 (1982-10-01), Walter

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