Coupling networks > Frequency domain filters utilizing only lumped parameters > Resonant, discrete frequency selective type > Including specific frequency rejection means > Patents

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Class Information
Number: 333/176
Name: Wave transmission lines and networks > Coupling networks > Frequency domain filters utilizing only lumped parameters > Resonant, discrete frequency selective type > Including specific frequency rejection means
Description: Subject matter which include circuitry, provided for rejecting harmonics or for providing discrete transmission zeroes or attenuation poles within, at the edge of, or outside of, a prescribed filter pass band.

Patents under this class:

1 2 3 4

Patent Number	Title Of Patent	Date Issued
4182997	Band-pass/band-stop filter for telecommunication system	Jan. 8, 1980
4136319	Filtering device for high-voltage power lines used as high-frequency transmission media	Jan. 23, 1979
4101853	Frequency sampling filter	Jul. 18, 1978
4078216	Circuit for the parallel coupling of audio frequency central-control transmitting stations in a wave band filter construction	Mar. 7, 1978
4053820	Active filter	Oct. 11, 1977
4017812	Method of processing a signal, and corresponding devices	Apr. 12, 1977
3935551	Filter arrangement for a converter circuit	Jan. 27, 1976