Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1981-03-09
1983-09-06
Faber, Alan
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358335, 360 101, 360 351, 360 331, H04N 702, H04N 576
Patent
active
044032501
ABSTRACT:
A processing system for manipulating data prior to a recording process so that subsequent picture stop mode reproduction can be a achieved on replay from a recording medium such as a video disc gives optimum resolution. The processing system includes a frame store 15 for holding incoming video data and a movement detector 23 for detecting picture movement during any portion of the incoming video frame which movement information is held in a movement data store 24. A selector 18 controls the information from the frame store whereby the data read out is from a single field of the frame during those portions of the picture where movement has occurred, and from both fields in the frame when no picture movement has occurred in that portion of the picture. This outgoing information can be recorded on the video disc 22 and will appear as normal moving video information unless the stop mode is selected. When the stop mode is selected the information appears with full vertical resolution.
REFERENCES:
patent: 4058840 (1977-11-01), Kasprapk
patent: 4272787 (1981-06-01), Michael
Faber Alan
Micro Consultants Limited
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