Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1980-01-25
1983-01-25
Hubler, Malcolm F.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 18C, 343 18B, 350 99, G02B 5122, H01Q 1518
Patent
active
043706541
ABSTRACT:
The present invention is an apparatus for producing a frequency change of wave propagating energy including microwave radar beams, electro-optical signals, other electro-magnetic signals, acoustic signals, and other wave propagating energy. In the first embodiment the apparatus includes a self-directive reflecting device which may be a plurality of trihedral corner reflectors, Luneberg lenses, etc., and a motion imparting device for imparting motion to the reflecting device. The motion imparting device includes a supporting member and an axial member which is rotatably coupled to the supporting member. The motion imparting device also includes a mounting member which is rigidly coupled to the axial member and on which the plurality of corner reflectors are mounted. In the second embodiment the apparatus includes a self-directing reflecting device and an intermediate reflecting device for reflecting the incoming wave propagating energy from its source toward the self-directing reflecting device and reflecting the wave propagating energy returning from the self-directing reflecting device back toward its source. The apparatus also includes a motion imparting device for imparting motion to the intermediate reflecting device relative to the structure on which the apparatus is mounted. The motion imparting device includes a support member, an axial member which is rotatably coupled to the support member and a mounting member which is rigidly coupled to the axial member and on which the intermediate reflecting device is mounted.
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patent: 3963307 (1976-06-01), Kirk
Hubler Malcolm F.
Johansen W. Edward
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