Apparatus for generating a picture signal at precise horizontal

Details Apparatus for generating a picture signal at precise horizontal Apparatus for generating a picture signal at precise horizontal

1988-11-30

1990-01-02

Shepperd, John W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, 358183, 340724, H04N 504, H04N 5272, G09G 106

Patent

active

048917052

ABSTRACT:
An apparatus for use in for a system indicating at least first and second pictures in a screen of a horizontal scan type display, includes a first circuit for measuring the pulse width or duration of a horizontal synchronism signal for the first picture, and a second circuit for determining a horizontal indication start position of the second picture on the basis of the measured pulse width or duration of a horizontal synchronism signal.

REFERENCES:
patent: 4228433 (1980-10-01), Matsumoto
patent: 4409618 (1983-10-01), Inaba et al.
patent: 4420770 (1983-12-01), Rahman
patent: 4722004 (1988-01-01), Miyamoto et al.
patent: 4736162 (1988-04-01), Ishihara

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