Optical device and control method thereof

Television – Camera – system and detail – Optics

Reexamination Certificate

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Reexamination Certificate

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07742097

ABSTRACT:
Provided is an optical device having image capturing means that converts an optical image of an object to an electric signal, and an optical element arranged before the image capturing means. In the optical device, an insulation member is arranged at a position facing the optical element in a way to be movable in a substantially entire area of a light entering surface of the optical element, and an electric control unit is provided for at least electrostatically charging or neutralizing the insulation member.

REFERENCES:
patent: 6327085 (2001-12-01), Osawa et al.
patent: 7492408 (2009-02-01), Ito
patent: 2001/0055072 (2001-12-01), Mogamiya et al.
patent: 2003/0202114 (2003-10-01), Takizawa et al.
patent: 2004/0012714 (2004-01-01), Kawai
patent: 2005/0052759 (2005-03-01), Ito et al.
patent: 2001-298640 (2001-10-01), None
patent: 2002-271662 (2002-09-01), None
patent: 2003-5254 (2003-01-01), None
European Search Report dated Mar. 8, 2006.
Communication from European Patent Office dated Mar. 28, 2006.
The above reference was cited in a Mar. 28, 2006 Partial European Search Report (copy enclosed) of the counterpart European Patent Application No. 05023074.7.

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