Orientation meter

Details Orientation meter Orientation meter

2006-09-20

2009-06-23

Stafira, Michael P (Department: 2886)

Optics: measuring and testing

By monitoring of webs or thread

Reexamination Certificate

active

07551283

ABSTRACT:
An orientation meter for measuring an orientation of a measuring object, the orientation meter including: a plurality of light emitting elements for irradiating light to the measuring object; a light receiving element for receiving reflected light being reflected by the measuring object; and a gain adjusting light emitting element arranged at a vicinity of the light receiving element, wherein the plurality of light emitting elements is arranged around the light receiving element, and the orientation of the measuring object is measured based on a signal from the light receiving element.

REFERENCES:
patent: 5313260 (1994-05-01), Magyar et al.
patent: 5777743 (1998-07-01), Bacchi et al.
patent: 0 379 281 (1990-07-01), None
patent: 11-269789 (1999-10-01), None
patent: 11-269790 (1999-10-01), None
patent: 99/67625 (1999-12-01), None
patent: WO 01/75423 (2001-10-01), None
patent: 2006/124315 (2006-11-01), None

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