Optical displacement sensor

Details Optical displacement sensor Optical displacement sensor

2007-12-05

2009-12-29

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

Position or displacement

C356S622000

Reexamination Certificate

active

07639374

ABSTRACT:
An optical displacement sensor is described that is capable of correctly detecting a target object, even if the position of the target object is changed in an amount greater than the thickness of the target object.

REFERENCES:
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patent: 6555806 (2003-04-01), Okamoto
patent: 6710326 (2004-03-01), Okamoto
patent: 6838656 (2005-01-01), Okamoto
patent: 2006-030094 (2006-02-01), None
patent: 2006-030095 (2006-02-01), None
patent: 2006-038571 (2006-02-01), None
patent: 2006-080896 (2006-03-01), None

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