Adjustable photoelectric detector head for solid state limit swi

Details Adjustable photoelectric detector head for solid state limit swi Adjustable photoelectric detector head for solid state limit swi

1981-04-01

1983-10-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Housings

250221, H01J 502

Patent

active

044121296

ABSTRACT:
A diffuse reflective photoelectric detector head (2) for a solid state limit switch (4) having a photoreceiver with a fixed field of view (FV) and a light source (20) pivotally adjustable to cause its light beam (LB) to intersect the field of view (FV) at varying distances from the detector head, the adjustment being indicated by a mechanical indicator (26f). The head is mountable on a limit switch enclosure (8) in any of four major axis positions, with electrical connections (22a-50a, b, c) for the head being made at the junction of head (2) and enclosure (8).

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