Optical scanner device

Details Optical scanner device Optical scanner device

2008-12-19

2009-10-13

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S216000, C359S205100, C347S250000

Reexamination Certificate

active

07601949

ABSTRACT:
An optical scanner device, comprising a scanning unit, which casts irradiation light emitted from a light source in an arbitrary direction to scan an observation object, an objective lens system, which converges the irradiation light on the observation object, and a photo-detector unit, which is disposed on an optical axis of the objective lens system to have the irradiation light transmit therethrough, is provided. A position of the irradiation light converged on the observation object is detected based on a position of a light spot of the irradiation light transmitting through the photo-detector unit.

REFERENCES:
patent: 4893008 (1990-01-01), Horikawa
patent: 5771115 (1998-06-01), Takanashi
patent: 6091067 (2000-07-01), Drobot et al.
patent: 6404031 (2002-06-01), Hane et al.
patent: 6795603 (2004-09-01), Utsunomiya
patent: 7479626 (2009-01-01), Karasawa et al.
patent: 2001/0012136 (2001-08-01), Kurosawa
patent: 2002/0012040 (2002-01-01), Hori
patent: 2002/0097474 (2002-07-01), Morita
patent: 2002/0180862 (2002-12-01), Suda
patent: 2004/0165236 (2004-08-01), Morita
patent: 60-189724 (1985-09-01), None
patent: 9-103893 (1997-04-01), None
patent: 11-312821 (1999-11-01), None
patent: 2000-98271 (2000-04-01), None
patent: 2003-29172 (2003-01-01), None
English language Abstract of JP 60-189724, Sep. 27, 1985.
English language computer generated translation of JP 9-103893, 1997.
English language computer generated translation of JP 2000-98271, 2000.

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