Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent
1978-10-06
1980-11-25
Bookbinder, Marc E.
Wave transmission lines and networks
Coupling networks
Frequency domain filters utilizing only lumped parameters
333185, 336115, 336129, 455286, 455290, 455292, H03H 500
Patent
active
042361273
ABSTRACT:
An electrical frequency responsive circuit comprising a first coil constructed of wire having an insulating coating thereon wound in a single layer about an axis of generation, and a second coil, also constructed of wire having an insulating coating thereon wound about an axis of generation in a single layer, said coils being axially related and having diameters and/or pitch to provide inductance and capacitance between the coils which is at least initially adjustable whereby the circuit is responsive to an electric signal having a predetermined electrical frequency imposed across the coils to provide frequency band suppression about the predetermined frequency.
REFERENCES:
patent: 2779924 (1957-01-01), Du Chatellier
patent: 2925495 (1960-02-01), Mason et al.
patent: 2958930 (1960-11-01), Heazel, Jr. et al.
patent: 3111636 (1963-11-01), Ima
patent: 3980975 (1976-09-01), Maxon, Jr.
An Intro. to the Theory and Design of Electric Wave Filters-F. Scowen, 2nd Edition, Chapman & Hall Ltd., 1950 pp. 49-52.
Lafayette Radio Electronics Catalog 700, 1970, pp. 392.
Reference Data for Radio Engineers-Fifth Edition, Howard W. Sams & Co., Inc. Copyright 1968, pp. 7-10.
Bookbinder Marc E.
PYROHM, INC.
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