Switching system for camera

Details Switching system for camera Switching system for camera

1996-06-24

1997-09-23

Metjahic, Safet

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

392131, G03B 118, G03B 902

Patent

active

056714491

ABSTRACT:
A switching system for a camera is able to selectively transmit the motive power of a motor to either of a drive system for controlling an aperture or a drive system for controlling a zooming function. The switching system uses either (a) a transmission to couple either a telephoto or a wide-angle drive system, or (b) a direct coupling to the aperture drive system. The transmission to the zoom drive system has a range of play and a catch, and is controlled when the catch holds an aperture control lever away from the aperture drive system. The aperture drive system is controlled in the range of play of the transmission when the catch allows the aperture control lever to connect to the aperture drive system.

REFERENCES:
patent: 4589753 (1986-05-01), Kawai
patent: 4610523 (1986-09-01), Tsuboi
patent: 4695144 (1987-09-01), Yoshino et al.
patent: 4696559 (1987-09-01), Kondo
patent: 4728979 (1988-03-01), Akitake et al.
patent: 5237357 (1993-08-01), Morisawa
patent: 5313244 (1994-05-01), Arai
patent: 5341190 (1994-08-01), Ogawa
patent: 5365301 (1994-11-01), Sugita et al.
patent: 5461441 (1995-10-01), Kotani

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