Polarization angle adjustment apparatus for transmitter and rece

Details Polarization angle adjustment apparatus for transmitter and rece Polarization angle adjustment apparatus for transmitter and rece

1995-12-26

1997-12-09

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343839, 343840, 343882, H01Q 318

Patent

active

056965192

ABSTRACT:
In a polarization angle adjusting mechanism for an antenna apparatus constructed of a supporting base and a transmitter/receiver apparatus equipped with a primary antenna at a right end portion thereof formed in an integral form, the primary antenna being located at a focal portion of an antenna, the supporting base has a cylindrical bearing for receiving a rotation shaft of the transmitter/receiver apparatus at a left end portion thereof, and also a plurality of subdivided projections are provided on this shaft receiving plane along a circumferential direction. On the other hand, projections and grooves fitted to a plurality of projections provided on the supporting base, which can be inserted among these plural grooves, are provided in the circumferential surface of the rotation shaft of the transmitter/receiver apparatus. The rotation shaft is inserted into the supporting base and the transmitter/receiver apparatus is rotated, so that the projections are fitted to the grooves so as to mount the transmitter/receiver apparatus to the supporting base. Similarly, another supporting base is mounted on the right end portion of the transmitter/receiver apparatus. In this manner, the transmitter/receiver apparatus is rotated to thereby adjust the polarization angle.

REFERENCES:
patent: 2457562 (1948-12-01), Karleen
patent: 2646508 (1953-07-01), Fisher
patent: 4173762 (1979-11-01), Thompson et al.
patent: 4786912 (1988-11-01), Brown et al.

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