Television – Camera – system and detail – Combined image signal generator and general image signal...
Patent
1993-08-11
1994-08-16
Groody, James J.
Television
Camera, system and detail
Combined image signal generator and general image signal...
358906, H04N 5262
Patent
active
053391055
ABSTRACT:
An image pickup apparatus which includes a timing pulse generator, an imager having an effective pixel number requiring a predetermined frequency for the horizontal scanning pulse in order to to produce a video signal having a normal aspect ratio and a video signal processing circuit for processing the signal outputted from the imager to generating a video signal. An electronic zoom signal processing circuit is provided for enlarging the video signal generated by the video signal processing circuit in the horizontal direction. The timing pulse generator supplies the imager with a horizontal pulse having a frequency higher than the predetermined frequency required by the effective pixel number of the image input element and the electronic zoom signal processing circuit enlarges the video signal generated in the horizontal direction to produce a video signal having a normal aspect ratio.
REFERENCES:
patent: 4231066 (1980-10-01), Merchant
patent: 4722007 (1988-01-01), Fling
patent: 5043817 (1991-08-01), Kinugasa
patent: 5083208 (1992-01-01), Hatanaka
Journal of Institute of Television Engineers of Japan, vol. 45, No. 2, 1991, pp. 67-70.
Journal of Institute of Television Engineers of Japan, vol. 46, No. 4, 1992, pp. 117-120.
IEEE Transactions on Consumer Electronics, vol. 37, No. 3, 1991, pp. 46-49.
LSI LOGIC, "CCITT Video Compression Chipset" Technical Note pp. 4-5.
LSI LOGIC, "CCITT Video Compression Chipset" Technical Note.
Imaide Takuya
Iura Noriyuki
Kinugasa Toshiro
Groody James J.
Hitaci, Ltd.
Hsia Sherrie
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