Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1988-11-15
1990-02-13
Hix, L. T.
Facsimile and static presentation processing
Facsimile
Recording apparatus
360 91, 360 351, H04N 980, H04N 989
Patent
active
049011197
ABSTRACT:
A video signal recording and/or reproduction apparatus in which an analog video signal from the inlet is digitized to form video data, then the video data are stored in a memory means for a time, then the stored video data are read out from the memory means before they are recorded on a recording medium. When reproducing the recorded video data from the recording medium, the reproduced video data are stored in a memory means for a time, then the stored video data are read out from the memory means, then the analog video signal is restored from the read video data, and then the analog video signal is produced at the output of the apparatus. Further, by taking the synchronism of the write and read control signals of different frequency for either of the memory means of the recording and reproducing systems, it is made possible to assure accurate and reliable conversion between the analog and digital forms of the video signals when either in the record or in the reproduction mode.
REFERENCES:
patent: 4110799 (1978-08-01), Bergmans et al.
patent: 4131919 (1978-12-01), Lloyd et al.
patent: 4378593 (1983-03-01), Yamamoto
patent: 4789960 (1988-12-01), Willis
Masui Toshiyuki
Nakayama Tadayoshi
Sato Chikara
Yoshimura Katsuji
Canon Kabushiki Kaisha
Hix L. T,.
Rutledge D.
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