Motor built-in lens mounting

Details Motor built-in lens mounting Motor built-in lens mounting

1984-05-17

1986-08-12

Corbin, John K.

350255, G02B 704

Patent

active

046052860

ABSTRACT:
A mechanical mounting for a lens system having a component axially movable to perform optical functions. Movement of the component is controlled by a motor in a form of a hollow cylindrical field magnet rotatably fitted in a hollow cylindrical field coil which is fixedly fitted on a body tube of the lens mounting. Thus, the motor is snugly assembled with members of the lens mounting.

REFERENCES:
patent: 3090282 (1963-05-01), Angenieux
patent: 3163701 (1964-12-01), Staubach
patent: 3687042 (1972-08-01), Mizui et al.
patent: 3917394 (1975-11-01), Sturdevant
patent: 4083057 (1978-04-01), Quinn
patent: 4113359 (1978-09-01), Koike et al.
patent: 4152060 (1979-05-01), Specht
patent: 4378146 (1983-03-01), Suzuki et al.
patent: 4482986 (1984-11-01), Noda et al.
patent: 4482998 (1984-11-01), Tsurushima et al.
patent: 4491401 (1985-01-01), Inaba et al.

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