Steerable radial line slot antenna

Details Steerable radial line slot antenna Steerable radial line slot antenna

2007-06-19

2007-06-19

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S768000

Reexamination Certificate

active

10890574

ABSTRACT:
A steerable antenna comprising an array of T-shaped slots. The location of the slots is moved to define an array of ring- or spiral-patterned phase constant regions. Distortions or contractions of the pattern occur by repositioning some or all of the slots forming the array. The antenna also comprises an intermediate insulating layer and a lower plate. The insulating layer is formed by a deformable dielectric medium. Deformation of the dielectric medium allows the beam angle to be altered.

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Ando, M., et al., “A Radial Line Slot Antenna for 12 Ghz Satellite TV Reception,”IEEE Transactions on Antennas and Propagation, vol. AP-33, No. 12, pp. 1347-1352 (Dec. 1985).
Hirokawa, J., et al., “Waveguide Array,”IEE Proceedings,vol. 137, Pt. H., No. 6, pp. 367-371 (Dec. 1990).
Takahashi, M., et al., “Characteristics of Small-Aperture, Single-Layered, Radial-Line Slot Antennas,”IEE Proceedings-H, vol. 139, No. 1, pp. 79-83 (Feb. 1992).
Yamamoto, T., et al., “Application of Radial Line Slot Antenna to Millimeter-Wave Systems at 60Ghz Band,”IEEE, pp. 62-65 (1996).

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