Optical sensor, method for producing an optical sensor, and...

Details Optical sensor, method for producing an optical sensor, and... Optical sensor, method for producing an optical sensor, and...

2007-11-07

2010-02-02

Sohn, Seung C (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S216000, C359S741000

Reexamination Certificate

active

07655896

ABSTRACT:
An optical sensor having a light source (3) and a structured front plate (11), which expands the focused light beam (9) of the light source (3) at least in one direction. In one advantageous construction, the structure includes an array with several cylindrical lenses (11). They are preferably constructed by hot stamping the surface the front plate (11). The expanded light beam (9) is suitable, in particular, for detecting narrow objects (1) or edges. The light source (3) and the front plate (11) are each aligned relative to the sensor housing (12).

REFERENCES:
patent: 6051848 (2000-04-01), Webb
patent: 6301047 (2001-10-01), Hoshino et al.
patent: 2007/0263296 (2007-11-01), Suzuki et al.
patent: 2008/0117531 (2008-05-01), Asper et al.

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