Communications: radio wave antennas – Antennas – Spiral or helical type
Patent
1988-11-29
1992-07-28
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Spiral or helical type
343897, H01Q 138, H01Q 1108
Patent
active
051344220
ABSTRACT:
A helical type of antenna has at least one radiating cord, helically wound in a rotational shape. The antenna has a circuit for the supply of the radiating cords formed by a strip line type of transmission line which fulfills both the supply distribution function and the function of matching the radiating cords of the antenna.
REFERENCES:
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patent: 3508269 (1970-04-01), Snyder
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patent: 4847627 (1989-07-01), Knight
IEEE Transactions . . . Propagation, vol. AP-19, No. 4, Juillet 1971, pp. 547-548; A. T. Adams et al.: "Optimization . . . Helix Antena".
IEE Proceedings . . . And Antennas, vol. 128, No. 1, Partie H., Febrier 1981, pp. 26-34, Old Woking . . . GB; P. S. Hall et al.: Design . . . Corp.
Patent Abstracts of Japan, vol. 6, No. 185 (E-132) (1063), Sep. 21, 1982; & JP-A-57 99 006 (Nippon Denki K.K) Jun. 19. 1982.
Centre National d'Etudes Spatiales
Wimer Michael C.
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