Comb-shape response filter having ultrasonic delay line

Details Comb-shape response filter having ultrasonic delay line Comb-shape response filter having ultrasonic delay line

1986-06-26

1988-05-24

Laroche, Eugene R.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358329, 333167, 333185, H04N 978

Patent

active

047469714

ABSTRACT:
A comb-shape filter which comprises an ultrasonic delay device, a branch line adapted to apply a part of an input for the ultrasonic delay device to its output terminal without passing through the ultrasonic delay device and a band elimination filter provided in the branch line.

REFERENCES:
patent: 3728476 (1973-04-01), Bates et al.
patent: 3755621 (1973-08-01), Dillenburger et al.
patent: 3780215 (1973-12-01), Shibata et al.
patent: 4149181 (1979-04-01), Burdick et al.
patent: 4206474 (1980-06-01), Hermann et al.
patent: 4402006 (1983-08-01), Karlock
patent: 4506238 (1985-03-01), Endoh et al.
patent: 4635104 (1987-01-01), Hausdorfer

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