Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1983-12-19
1986-10-28
McIntosh, John P.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250239, G01D 534
Patent
active
046200916
ABSTRACT:
The invention relates to a mounting support (1) for phototransmitters (10) and photoreceivers (11) to be arranged in the way of forked light barriers, between which the rim portion of a signal disk (28) is capable of being moved. On the mounting support (1) there are provided insertion openings (8, 9) for inserting the phototransmitters (10) and the photoreceivers (11). These are provided with a locking element with which the inserted phototransmitter (10) or the inserted photoreceiver (11) can be locked and thus definitely fixed in their positions. No other adjustments are required.
REFERENCES:
patent: 4182953 (1980-01-01), Hurley, III et al.
patent: 4190767 (1980-02-01), Crouse
Christopher J. S.
International Standard Electric Corporation
McIntosh John P.
Peterson T. L.
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