Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1976-02-09
1977-08-09
Griffin, Robert L.
Facsimile and static presentation processing
Static presentation processing
Attribute control
H04N 907
Patent
active
040415287
ABSTRACT:
A color television signal generating apparatus comprises a color-resolving striped filter, in a camera tube, for separating the output signal of the camera tube into required signals. Detecting means detects the envelopes of specific positive wave and negative wave signals thus separated. The output of the camera tube is a superimposed signal of a direct wave signal containing signals of three primary colors, of additional mixed colors, and a high-band component signal comprising a group of modulated color signals. This camera output signal results from the amplitude modulation of a carrier wave responsive to filter stripes in the color-resolving striped filter. The carrier wave components have a high harmonic relation relative to two primary color signals. The separating means comprises first separating means for separating the direct signal from the above mentioned superimposed signal and second separating means for separating the high-band component signal. The envelope detecting means comprises a first detector for producing a demodulated output signal in accordance with an envelope resulting from a successive connection of peak values of the positive wave of the thus separated high-band component signal. A second envelope detection means produces a demodulated output signal in accordance with an envelope resulting from a successive connection of peak values of the negative wave of the thus separated high-band component signal.
REFERENCES:
patent: 3560637 (1971-02-01), Takeuchi et al.
patent: 3647948 (1972-03-01), Eto et al.
patent: 3745238 (1973-07-01), Yoneyama
patent: 3808357 (1974-04-01), Nakagaki et al.
patent: 3846579 (1974-11-01), Takanashi et al.
patent: 3969764 (1976-07-01), Tanaka
Miyazaki Ken-ichi
Miyoshi Tadayoshi
Motoyama Koithiro
Nakagaki Shintaro
Takanashi Itsuo
Griffin Robert L.
Psitos Aristotelis M.
Victor Company of Japan , Limited
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