Filter circuits

Details Filter circuits Filter circuits

1982-07-08

1985-06-18

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 36, H04N 9535

Patent

active

045243824

ABSTRACT:
A filter circuit has an input terminal supplied with an input signal to be filtered, a signal sampling circuit for detecting a level of the input signal at plural predetermined different points spaced apart from each other and producing plural detected signals, which includes a logical operating circuit for producing a filtered output signal of a desired waveform by processing the adjacent signals of the plural detected signals based on a predetermined logical formula.

REFERENCES:
patent: 4050084 (1977-09-01), Rossi
patent: 4422094 (1983-12-01), Lewis
patent: 4438454 (1984-03-01), Shanley

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