Optical object identification device and printing apparatus...

Optics: measuring and testing – Of light reflection – With diffusion

Reexamination Certificate

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C356S071000, C250S556000

Reexamination Certificate

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06947146

ABSTRACT:
An optical object identification device has a light emission element, an optical system condensing light from the light emission element, a photodetector integrated with a mask provided with a pinhole, and an identification unit for identifying a type of a measurement object by an output waveform from the photodetector.

REFERENCES:
patent: 2827822 (1958-03-01), Timms
patent: 3437823 (1969-04-01), Joyce
patent: 4003660 (1977-01-01), Christie et al.
patent: 4054391 (1977-10-01), Witte
patent: 4756619 (1988-07-01), Gerlinger et al.
patent: 4919535 (1990-04-01), Hohberg et al.
patent: 5892239 (1999-04-01), Nagase
patent: 6104036 (2000-08-01), Mazowiesky
patent: 6542248 (2003-04-01), Schwarz
patent: 2003/0156293 (2003-08-01), Kazuhiko et al.
patent: 10-198174 (1998-07-01), None
patent: 2000-301805 (2000-10-01), None
patent: 2001-180843 (2001-07-01), None

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