Electronic camera with device for eliminating static...

Details Electronic camera with device for eliminating static... Electronic camera with device for eliminating static...

2006-06-06

2006-06-06

Vu, Ngoc-Yen (Department: 2612)

Television

Camera, system and detail

C348S374000

Reexamination Certificate

active

07057642

ABSTRACT:
An electronic camera is provided that prevents deterioration of quality of an object image obtained by an image-pickup device due to dust adhered on an optical element. The electronic camera includes an ion generator for taking off the electric charges from the optical element, such as a low-pass filter, arranged in front of the image-pickup device. The ion generator is provided in the camera body and ionizes the air inside the camera body. The ionized air diffuses toward the low-pass filter and binds with the charge on the low-pass filter. Thus, the electric charge of the low-pass filter is taken off and the low-pass filter does not attract dust which cause the quality decrease of the object's image obtained by the image-pickup device.

REFERENCES:
patent: 5828918 (1998-10-01), Abe et al.
patent: 6543078 (2003-04-01), Ernst et al.
patent: 2002/0180880 (2002-12-01), Bean et al.
patent: 09130654 (1997-05-01), None
patent: 11243187 (1999-09-01), None
patent: 11282047 (1999-10-01), None
patent: 2000029132 (2000-01-01), None
patent: 2001298640 (2001-10-01), None

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