Synthesized-picture projecting apparatus and picture adjusting m

Details Synthesized-picture projecting apparatus and picture adjusting m Synthesized-picture projecting apparatus and picture adjusting m

1996-04-18

1998-10-13

Peng, John K.

Television

Modular image display system

348531, 348588, 348597, 348601, 348747, 348807, H04N 322

Patent

active

058220020

ABSTRACT:
When two projecting units or more project two pictures or more obtained from video signals and luminance levels of projected pictures at an overlapped portion thereof are adjusted, a picture to be adjusted is selected from the projected pictures. One of processings for adjusting a correction start point of a correction data, a correction end point thereof and an inclination of a correction curve thereof to be used for a picture adjustment is selected. When the positions of a correction start point and/or a correction end point of the correction data are adjusted by using a remote controller unit or the like, a mark data is superposed on the correction start point and/or the correction end point of the correction data to display a mark formed based on the mark data on the screen together with the projected pictures. Thus, the picture is adjusted by displaying the marks together with the projected pictures.

REFERENCES:
patent: 3833764 (1974-09-01), Taylor
patent: 4205346 (1980-05-01), Ross
patent: 4356511 (1982-10-01), Tsujimura
patent: 4393394 (1983-07-01), McCoy
patent: 5136390 (1992-08-01), Inova et al.
patent: 5258840 (1993-11-01), Miyazaki et al.
patent: 5305108 (1994-04-01), Trytko
patent: 5602584 (1997-02-01), Mitsutake et al.
Patent Abstracts of Japan, vol. 014, No. 537 (E-1006), Nov. 27, 1990 & JP-A-02 228180 (Hitachi Denshi Ltd), Sep. 11, 1990.

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