Measuring device

Optics: measuring and testing – Velocity or velocity/height measuring

Reexamination Certificate

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Details

C356S028000

Reexamination Certificate

active

07995193

ABSTRACT:
A measuring device includes a VCSEL of a first-order or high-order single mode emitting laser beams, a driving part configured to drive the VCSEL, a detecting part configured to detect an electric signal relating to feedback lights generated when laser beams are projected onto an object, and a calculating part configured to identify a direction of movement of the object on the basis of the electric signal detected by the detecting part.

REFERENCES:
patent: 5793485 (1998-08-01), Gourley
patent: 6624899 (2003-09-01), Clark
patent: 6844537 (2005-01-01), Wilson et al.
patent: 6860350 (2005-03-01), Beuhler et al.
patent: 6875993 (2005-04-01), Tatum et al.
patent: 7202942 (2007-04-01), Deines
patent: 7466398 (2008-12-01), Cheng et al.
patent: 7567341 (2009-07-01), Dolfi et al.
patent: 7671972 (2010-03-01), Cheng et al.
patent: 7675630 (2010-03-01), Teo et al.
patent: 2002/0141472 (2002-10-01), Koyama et al.
patent: 2006/0120426 (2006-06-01), Kuwata
patent: 2008/0174787 (2008-07-01), Teo et al.
patent: 2008/0198357 (2008-08-01), Cheng et al.
patent: 2008/0297809 (2008-12-01), Holzapfel et al.
patent: 2010/0069727 (2010-03-01), Kawano et al.
patent: 04-109938 (1992-04-01), None
patent: 11-287860 (1999-10-01), None
patent: 2002-350544 (2002-12-01), None
patent: 2002-359432 (2002-12-01), None
patent: 2004-513348 (2004-04-01), None
patent: 2004-288674 (2004-10-01), None
patent: 2006-100858 (2006-04-01), None
patent: 02/37124 (2002-05-01), None
IEICE Trans. Electron., vol. E85-C, No. 4, Apr. 2002, pp. 995-1000.

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