Progressive scan display system employing line and frame memorie

Details Progressive scan display system employing line and frame memorie Progressive scan display system employing line and frame memorie

1985-07-31

1987-02-03

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 21V, 358105, 358160, H04N 701

Patent

active

046411887

ABSTRACT:
A receiver includes a line store progressive scan processor and a frame store progressive scan processor for doubling the line rate of a video input signal for display. The video input signal includes an identifying signal signifying whether the fields that are derived from a common scene. The identifying signal is detected and used to control a switch for selectively coupling the output of the processors to a display such that frame store processed signals are displayed for fields derived from exactly the same scene and line store processed signals are displayed for "mixed" fields (i.e., fields from different frames or frames containing motion).

REFERENCES:
patent: 4007486 (1977-02-01), Inaba et al.
patent: 4198651 (1980-04-01), Barton et al.
patent: 4272787 (1981-06-01), Michael et al.
patent: 4400719 (1983-08-01), Powers
patent: 4415931 (1983-11-01), Dischert

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