Photoelectric sensor with deflection angle adjustment...

Details Photoelectric sensor with deflection angle adjustment... Photoelectric sensor with deflection angle adjustment...

2006-01-03

2006-01-03

Porta, David (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S222100, C250S234000, C340S555000

Reexamination Certificate

active

06982410

ABSTRACT:
A photoelectric sensor includes: a light projecting section projecting detection medium light to a detection object region; and a light receiving section receiving reflecting light or transmitted light from the detection object region, the sections being in a single piece or in separate pieces. The light projecting section includes: a light source generating the detection medium light; and a light projecting lens for collimating or collecting the detection medium light from the light source to form a beam spot or a light collecting point in the detection object region. The light projecting section further includes: a deflection angle adjusting unit capable of finely adjusting an optical axis deflection angle of the detection medium light projected to the detection object region from the light projecting section.

REFERENCES:
patent: 4782224 (1988-11-01), Haas et al.
patent: 4916536 (1990-04-01), Kerr et al.
patent: 5109161 (1992-04-01), Horiuchi et al.
patent: 5528027 (1996-06-01), Mizutani
patent: 5760390 (1998-06-01), Vezzalini et al.
patent: 37 29 334 (1989-03-01), None
patent: 0 255 305 (1987-07-01), None
patent: 2001-264453 (2001-09-01), None
patent: WO 92/07233 (1992-04-01), None

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