Method and arrangement for refreshing a frame memory in an inter

Details Method and arrangement for refreshing a frame memory in an inter Method and arrangement for refreshing a frame memory in an inter

1985-11-04

1988-03-15

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

365222, 358141, 358136, H04N 712, H04N 704

Patent

active

047316640

ABSTRACT:
A video signal frame memory is refreshed without requiring either a separate transmission line or the transmission of bursts of data. This is done by dividing the frame signals into blocks of data, which are further divided into lines and sub-blocks. During each frame, refreshing signals are sent on a sub-block basis, thereby distributing the refreshing control signals and preventing many signals from being sent in bursts.

REFERENCES:
patent: 4051530 (1977-09-01), Kuroda et al.
patent: 4125873 (1978-11-01), Chesarek
patent: 4183058 (1980-01-01), Taylor
patent: 4183096 (1980-01-01), Cenker et al.
patent: 4357686 (1982-11-01), Scheuneman

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