White balance target

Details White balance target White balance target

1992-06-19

1994-11-15

Groody, James J.

Television

Special applications

With endoscope

348 68, 348223, 128 6, 359707, 359896, H04N 718, H04N 973

Patent

active

053652673

ABSTRACT:
A target for use in white balancing video cameras and, in particular, video cameras suitable for endoscopic use. The target is molded from an elastomeric material having the ability to diffuse a substantial portion of light incident upon the target from a video camera. A user may use the target to white balance a video camera by placing the camera directly on the target and adjusting the light intensity of the camera's light source. In the case of an endoscopic camera, the distal tip of the scope (extending from the camera) is placed directly on the target. The user need not be concerned about aiming the camera at a selected white target and holding it a certain distance from the target.

REFERENCES:
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patent: 4527189 (1985-07-01), Ooi et al.
patent: 4716457 (1987-12-01), Matsuo
patent: 4739394 (1988-04-01), Oda et al.
patent: 4831437 (1989-05-01), Nishioka et al.
patent: 5045928 (1991-09-01), Takaiwa et al.
patent: 5155635 (1992-10-01), Kakiuchi

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