Image enlargement apparatus using plural diverse capacity memori

Details Image enlargement apparatus using plural diverse capacity memori Image enlargement apparatus using plural diverse capacity memori

1990-02-26

1992-10-06

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358224, H04N 576

Patent

active

051537281

ABSTRACT:
An image processing device comprises an enlarging process circuit which is capable of forming an enlarged image by using a memory which is capable of storing one picture amount of a video signal, a combining process circuit for producing a composite image consisting of the output of the enlarging process circuit and an input video signal, a selection circuit which selects a combining pattern for the combining process circuit, and a switching circuit for changing the timing of writing or reading into or out of the memory disposed within the enlarging process circuit in accordance with the selecting action of the selection circuit.

REFERENCES:
patent: 3935381 (1976-01-01), Petrocelli et al.
patent: 4002824 (1977-01-01), Petrocelli
patent: 4302776 (1981-11-01), Taylor et al.
patent: 4589029 (1986-05-01), Torimaru et al.
patent: 4740839 (1988-04-01), Phillips
patent: 4779135 (1988-10-01), Judd
patent: 4930014 (1990-05-01), Maeda et al.

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