Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1990-09-24
1992-03-10
Groody, James J.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 51, H04N 904
Patent
active
050953648
ABSTRACT:
A color television camera having an image pickup unit for providing three-color image pickup signals at a predetermined rate fs includes an analog/digital converting unit for digitizing an output signal of the image pickup unit at a clock rate equal to the rate fs, a first rate converting unit for interpolating and converting the rate of the digitized image pickup signals into three-color digital image signals having a rate 2fs, a signal processing unit supplied with the rate-converted three-color digital image signals for forming a digital compositive video signal at the 2fs rate, a digital low-pass filter supplied with the digital composite video signal from the signal processing unit for limiting the frequency range of the digital composite video signal to less than about fs/2, and a second rate converting unit coupled to the digital low-pass filter for converting the rate of the frequency limited digital composite video signal to fs.
REFERENCES:
patent: 4614966 (1986-09-01), Yunoki et al.
patent: 5043803 (1991-08-01), Asaida
Asaida Takashi
Miyamoto Kazuyoshi
Frommer William S.
Groody James J.
Sinderbrand Alvin
Sony Corporation
Vu Kim Yen
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