Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1990-11-27
1994-01-11
Brinich, Stephen
Facsimile and static presentation processing
Facsimile
Picture signal generator
358489, H04N 106
Patent
active
052786765
ABSTRACT:
Image scanning apparatus comprises a radiation source to generate a radiation beam, a support on which an original image is mounted in use so that the radiation beam is incident, in use, on the original image, the support and the beam being continuously movable relative to one another in a cyclic manner to expose successive scan lines on the original image. A detector is provided for detecting the radiation beam after exposure to the original image. A buffer receives image signals corresponding to a valid scan line of the original image at a first rate from the detector during exposure of the scan line and outputs all the image signals corresponding to a valid scan line at a second slower rate to a processor within one cycle of the relative motion between the support and the radiation beam. The buffer is prevented from storing signals from the detector when a valid scan line of the original image is not being exposed.
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Patent Abstracts of Japan, vol. 11, No. 88, Application No. 61-242067, Mar. 18, 1987.
Patent Abstracts of Japan, vol. 8, No. 8, Application No. 58-173965, 58-173966, 58-173967 Jan. 13, 1984.
Brinich Stephen
Crosfield Electronics Ltd.
Vu Kim Yen
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