Communications: radio wave antennas – Antennas – Traveling wave type
Patent
1995-05-30
1997-03-04
Lee, Benny T.
Communications: radio wave antennas
Antennas
Traveling wave type
333206, 333207, 333202, 333 34, 343767, 343830, 343863, H01P 130, H01Q 1102
Patent
active
056084153
ABSTRACT:
A high-frequency signal transmission system for use as a microwave antenna or filter has a plurality of cascaded conical or planar inner conductors each having a unitary exponential gradient, a pair of circular lines or impedance-matching lines having identical dimensions and connected respectively to opposite ends of the conical or planar inner conductor for providing a predetermined characteristic impedance, and a cylindrical or rectangular tubular outer conductor covering the conical or planar inner conductor and the circular or impedance-matching lines with a cavity defined between the conical or planar inner conductor and the cylindrical or rectangular tubular outer conductor.
REFERENCES:
patent: 3058073 (1962-10-01), Eldredge
patent: 3209287 (1965-09-01), Oxner et al.
patent: 3419813 (1968-12-01), Kamnitsis
patent: 3909755 (1975-09-01), Kaunzinger
patent: 5508669 (1996-04-01), Sugawara
"The Transmission Characteristics of the Circuits Constructed with the Cascade Connection of Unit Exponential Lines", G. Sugawara et al., The Technology Reports of Tohku Univ., vol. 45, (1980), pp. 273-286 no month.
"Microwave Transmission Circuits", George L. Bagan, McGraw-Hill Book Company, Inc. (1948), pp. 9-13 of Chapter 2, 24, 184-188 and 614-615 no month.
Gambino Darius
Lee Benny T.
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