Lens barrel and electric circuit board connection structure

Details Lens barrel and electric circuit board connection structure Lens barrel and electric circuit board connection structure

1995-01-20

1996-09-24

Rutledge, D.

3541951, G03B 1700

Patent

active

055595715

ABSTRACT:
A shake-prevention mechanism is positioned on a support unit that supports the shake-prevention optical system. A single flexible printed circuit board having connection ends that connect to the various electrical connections is used as the wiring device to interconnect to the various electrical connections in the mechanism in addition to connecting the mechanism to external devices. The connection ends of the flexible printed circuit board are mounted to pinch and/or surround the support unit containing the drive mechanism from the front and back in the direction of the optical axis. Additionally, a base plate and a cover unit are positioned to have a spacing in between, together forming a support unit for supporting a shake-prevention optical system that is part of the shooting lens system. One photo-interrupter is fixed to the base plate that supports the motor, while another photo-interrupter is fixed to the cover unit that presses the motor and is a unit separate from the base plate. A shutter unit is integrated with a lens group with a smaller diameter than the anti-vibration lens group. The shutter wiring board and the anti-vibration wiring board are connected electrically in a surface substantially perpendicular to the optical axis formed in the vicinity of a lens group of the shutter unit.

REFERENCES:
patent: 4359277 (1982-11-01), Shimizu et al.
patent: 4711548 (1987-12-01), Arakawa et al.
patent: 4864348 (1989-09-01), Fujiwara et al.
patent: 4922274 (1990-05-01), Yamamoto et al.
patent: 4999656 (1991-03-01), Shimizu et al.
patent: 5012273 (1991-04-01), Nakamura et al.
patent: 5051764 (1991-09-01), Nomura et al.
patent: 5192964 (1993-03-01), Shinohara et al.
patent: 5461443 (1995-10-01), Nakayama et al.

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