Image signal processor

Details Image signal processor Image signal processor

1984-07-23

1987-10-06

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358280, H04N 140

Patent

active

046986901

ABSTRACT:
An image signal processor capable of achieving an excellent image reproduction. The image signal processor has an input unit for entering analog video signals, and a converter for converting the analog video signals to digital video signals with a conversion factor which is changed according to the signal level, wherein binary video signals are formed based on the digital video signals from said converter.

REFERENCES:
patent: 3723649 (1973-03-01), Pitegoff et al.
patent: 4414581 (1983-11-01), Kato et al.
patent: 4475127 (1984-10-01), Iimuma
patent: 4495522 (1985-01-01), Matsumawa et al.
patent: 4517605 (1987-05-01), Yokomizo
patent: 4578712 (1986-03-01), Matsumawa
patent: 4578715 (1986-03-01), Yamaguchi

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