Electricity: motive power systems – Positional servo systems – Digital or numerical systems
Patent
1977-06-27
1979-02-27
Dobeck, Benjamin
Electricity: motive power systems
Positional servo systems
Digital or numerical systems
318648, 318 12, 33247, G05B 1928
Patent
active
041421396
ABSTRACT:
A search mount for a telescope and a method of operation in which a telescope mount is provided which is indexable about a vertical axis and also about a horizontal axis so as to lay the telescope in any desired direction. The mount is provided with motors, and the movement of the motors is under the control of digital circuitry, and manual switches. The drives between the motors in the telescope mount embody backlash free reduction gearing of novel design and construction. In particular, the motors operate without requiring any feedback to effect control thereof.
REFERENCES:
patent: 2989672 (1961-06-01), Agins
patent: 3372321 (1968-03-01), Inaba et al.
patent: 3399753 (1968-09-01), Revelle
patent: 3414785 (1968-12-01), Orahood et al.
patent: 3465217 (1969-09-01), Kress
patent: 3826964 (1974-07-01), Byrne
Bray Wade R.
Slaats Mathew A.
Welsh Alan B.
Dobeck Benjamin
Hoffman John F.
Jeffers Albert L.
Kimball International Inc.
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