Progressive scan television system with video compression exceed

Details Progressive scan television system with video compression exceed Progressive scan television system with video compression exceed

1984-11-30

1986-08-12

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358138, H04N 701

Patent

active

046059628

ABSTRACT:
A television receiver/monitor includes a progressive scan processor including memories for time compressing a video input signal and doubling the line rate to reduce visible line structure when the double line-rate signal is displayed. The memories are controlled to provide a video compression factor (2.5:1) greater than the display line rate increase (2:1) to provide a display retrace time (10.8 micro-seconds) substantially equal to the blanking interval (11.0 micro-seconds) of the video input signal thereby decreasing display power losses and horizontal drive requirements.

REFERENCES:
patent: 4322750 (1982-03-01), Lord
patent: 4400719 (1983-08-01), Powers
patent: 4415931 (1983-11-01), Dischert
patent: 4426661 (1984-01-01), Okada
patent: 4509071 (1985-04-01), Fujimura et al.
patent: 4550335 (1985-10-01), Powers

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