Video scanning conversion apparatus

Details Video scanning conversion apparatus Video scanning conversion apparatus

1990-06-13

1992-03-24

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358160, H04N 701

Patent

active

050993275

ABSTRACT:
An inputted video signal is memorized in a memory. The number of scanning lines of the memorized video signal is converted to any number and read out from the memory. An ordinal numeral R of the scanning line to be outputted is divided by a converting rate N and an integral number W is obtained from the quotient R/N by counting fractions over one-half as one and disregarding the rest. The scanning line with an ordinal numeral corresponding to the integral number W is read out from the memory as the outputted scanning line with the ordinal numeral R.

REFERENCES:
patent: 2916211 (1959-12-01), Schulze et al.
patent: 3509330 (1970-04-01), Batte
patent: 3594565 (1971-07-01), Ragen
patent: 4054914 (1977-10-01), Fukuoka
patent: 4292653 (1981-09-01), Bock et al.
patent: 4302776 (1981-11-01), Taylor et al.
patent: 4866520 (1989-09-01), Nomura et al.
patent: 4956707 (1990-09-01), Oakley et al.

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