Television – Camera – system and detail – Optics
Patent
1995-12-27
1998-12-29
Garber, Wendy
Television
Camera, system and detail
Optics
348341, 348374, 396358, 396491, 396492, H04N 5225
Patent
active
058546570
ABSTRACT:
Device for preventing entrance of backlight into an optical view finder for preventing degradation of an image, including a zoom lens part for adjusting a size and angle of an image signal of an objective in planning a picture frame, a mirror shutter part capable of opening and closing for sending the image signal processed in, and received from the zoom lens part to a first optical axis and a second optical axis, an image forming CCD part disposed at an image forming plane of the image signal of the zoom lens part on the first optical axis for converting the image formed on the first optical axis into an electric signal for applying the electric signal to a display or a recording medium, and an optical view finder part disposed on the second optical axis for adjusting a magnification of the image signal on the second optical axis by means of an internal optical system for being observed by an observer's eye.
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patent: 4757387 (1988-07-01), Saito
patent: 4758853 (1988-07-01), Celenze
patent: 5053875 (1991-10-01), Ishii et al.
patent: 5101275 (1992-03-01), Wijnen
patent: 5150215 (1992-09-01), Shi
patent: 5218441 (1993-06-01), Karcher
patent: 5233197 (1993-08-01), Bowman et al.
Garber Wendy
LG Electronics Inc.
Vu Ngoc-Yen
White John P.
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