Photosensor testing device with built-in light source and...

Details Photosensor testing device with built-in light source and... Photosensor testing device with built-in light source and...

2007-11-30

2009-12-01

Hollington, Jermele M (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

Reexamination Certificate

active

07626403

ABSTRACT:
The present invention provides a photosensor testing device with a built-in light source and a tester provided with said device, which has a base and an upper cover disposed above the base, characterized in that the upper cover is equipped with at least one light emitting diode (LED) assembly used as a light source for a photosensor under test to undergo testing operation. Therefore, the components such as high intensity discharge lamps and optical processing devices are unnecessary any more, reducing the bulk volume of the testing device and its related cost. Besides, the testing process would be speeded up and the testing accuracy could be improved, as well as the time consumed in replacing the light source would be saved.

REFERENCES:
patent: 6037578 (2000-03-01), Grandjean
patent: 6373044 (2002-04-01), Seehawer
patent: 6448802 (2002-09-01), Hirt
patent: 6608293 (2003-08-01), Kuderer
patent: 6686760 (2004-02-01), Hirt
patent: 6956226 (2005-10-01), Bennewitz et al.
patent: 2002/0158653 (2002-10-01), Hirt
patent: 2003/0169063 (2003-09-01), Hirt
patent: 2004/0223326 (2004-11-01), Wainwright
patent: 02115736 (1990-04-01), None

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