Storing digital video signals

Details Storing digital video signals Storing digital video signals

1990-04-25

1991-06-11

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

365189, H04N 514

Patent

active

050237187

ABSTRACT:
Apparatus for storing a plurality of fields of digital video signal where each field consists of a plurality of n-bit words and n may vary downwards from a maximum value, comprises circuits for arranging the n-bit words of each incoming field in n bit-planes, each bit-plane containing a respective bit from each n-bit word, a video signal store comprising a plurality of memories each capable of storing the bits of a bit-plane, a common data bus for supplying the bit-planes to the memories, and circuits for controlling writing of the bit-planes in the memories such that a first field is written in a first n of the memories, the next field is written in a second n of the memories, and so on until all memories have been written in.

REFERENCES:
patent: 4148070 (1979-04-01), Taylor
patent: 4183058 (1980-01-01), Taylor
patent: 4485402 (1984-11-01), Searby
patent: 4612569 (1986-09-01), Ichinase

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