Antenna rotator controller

Details Antenna rotator controller Antenna rotator controller

H - Electricity

01

Q

351/15

H01Q 3/04 (2006.01) G05B 19/35 (2006.01) H01Q 3/00 (2006.01)

Patent

CA 1198512

ANTENNA ROTATOR CONTROLLER Abstract of the Disclosure Controller for an antenna rotator having a rotatable member on which is mounted an antenna to be rotated to various headings. Switching circuitry selectively energizes a motor in the rotator to rotate the member in either of two, opposite directions. Antenna headings are user selectable and pre- programmable, the controller including control circuitry for accepting pre-programmed headings entered from a keyboard storing the pre-programmed headings and retrieving headings. Users can select a pre-programmed heading or enter a new head- ing via the keyboard, the control circuitry controlling the motor switching circuitry to rotate the antenna to the select- ed heading. Circuitry is also provided to energize a brake solenoid in the rotator to, in the absence of jamming or bind- ing, release the brake. To rotate the member to a new head- ing, the control circuitry energizes the brake solenoid and alternately rotates the member small amounts in the two oppo- site directions to effect the release of the brake from any jammed or bound condition. Selected headings and current headings are acoustically announced to the user over a speaker.

422790

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