Occupancy detectors etc.

Details Occupancy detectors etc. Occupancy detectors etc.

G - Physics

08

B

340/124.4

G08B 13/18 (2006.01) F16B 2/24 (2006.01) G08B 13/19 (2006.01) F16B 21/20 (2006.01)

Patent

CA 1285043

ABSTRACT OF DISCLOSURE . An occupancy sensor device has a housing with a neck entry affording a light path to a recessed sensor. The interior of the light path has properties of reflection and/or refraction to improve effective field of view of the sensor. A tubular member as the neck can be angularly adjustable for selective electrical connection to a circuit board carrying the sensor and contacts at its end. That board can be clamped in slots in an inner part of the housing. Fitting to a barrier can be aided by clenching action of a spring member apertured to grip an outer housing part when relaxed.

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