Recording/reproducing apparatus employing sum and difference seq

Details Recording/reproducing apparatus employing sum and difference seq Recording/reproducing apparatus employing sum and difference seq

1991-06-12

1993-12-21

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 12, H04N 1120

Patent

active

052725197

ABSTRACT:
The system is made up of signal conversion unit for converting a video signal into two-line sum signal and difference signal for every two lines, time base conversion unit for time base converting the signals so that the transmission band of the difference signal is lower than the transmission band of the sum signal, and signal multiplexing unit for time-sharing multiplexing a time base converted sum signal and a time base converted difference signal.

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patent: 4985769 (1991-01-01), Yasumoto et al.
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