Base support for movable antenna

Details Base support for movable antenna Base support for movable antenna

1994-01-11

1995-12-05

Hajec, Donald

Communications: radio wave antennas

Antennas

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

343757, 343765, 343880, 343882, 248652, 248664, 74425, 475 11, H01Q 300

Patent

active

054733359

ABSTRACT:
A base support for a moveable antenna employing a stepping motor and stepping motor controller to move the antenna in fine increments. The base support is attached to an upstanding mounting member. An antenna is attached to a first support structure connected to a base member. The support structure is operatively connected to a worm gear assembly and motor driven worm gear disposed between the base member and the support structure to effect movement of the antenna about a predetermined axis. The worm gear is driven by a stepping motor. The stepping motor is controlled by a stepping motor controller to control incremental movement of the antenna. A second worm gear assembly can be interposed transversly between the first support structure and a second support structure to effect movements of the antenna about a horizontal axis. A second stepping motor and second stepping motor controller are used to drive the second worm gear and effect incremental movement of the antenna about the horizontal axis.

REFERENCES:
patent: 3495261 (1968-05-01), Lastinger et al.
patent: 4040058 (1977-08-01), Mori et al.
patent: 4126865 (1978-11-01), Longhurst et al.
patent: 4454515 (1984-06-01), Major et al.
patent: 4475110 (1984-10-01), Hutchins
patent: 4617572 (1986-10-01), Hugo
patent: 4841309 (1989-06-01), Burr
patent: 4994815 (1991-02-01), Nakayama
patent: 5023617 (1991-06-01), Deering
patent: 5038405 (1991-08-01), Karr
patent: 5065969 (1991-11-01), McLean
patent: 5281975 (1994-01-01), Hugo

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