Optical apparatus

Details Optical apparatus Optical apparatus

1996-11-12

1998-03-24

Ben, Loha

Optical: systems and elements

Lens

With support

359823, 359825, 359696, 396133, G02B 702

Patent

active

057319197

ABSTRACT:
An optical apparatus has an optical lens unit, a manual operation device for manually operating the optical lens unit, and a drive device for driving the optical unit by electrical power, in which the manual operation device and the drive device are coupled by magnetic force, in which when driven by the drive device, the optical lens is driven as the two devices are coupled, and in which when the manual operation device is operated manually, the optical lens is driven as the drive device is fixed.

REFERENCES:
patent: 4553817 (1985-11-01), Ando et al.
patent: 4793689 (1988-12-01), Aoyagi et al.
patent: 4963000 (1990-10-01), Kawai
patent: 5198935 (1993-03-01), Imanari et al.
patent: 5282090 (1994-01-01), Suzuki et al.
patent: 5335115 (1994-08-01), Kawai et al.
patent: 5448328 (1995-09-01), Suzuki et al.
patent: 5453807 (1995-09-01), Iizuka
patent: 5572373 (1996-11-01), Imanari et al.

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