Focusing device including capacitive transducer position sensor

Details Focusing device including capacitive transducer position sensor Focusing device including capacitive transducer position sensor

1997-01-21

2000-05-30

Lee, Michael G

Registers

Coded record sensors

Particular sensor structure

23546224, G06K 710

Patent

active

060681896

ABSTRACT:
A focusing device (1) for a light receiving device (3) having at least one lens device (5) and a light sensor (7) exposed to the incident light is proposed, which is distinguished by the fact that the lens device (5) is designed to be stationary and that an actuation device (9), which displaces the light sensor (7) parallel to itself, and a position sensor (27), which detects the current position of the light sensor (7), are provided.

REFERENCES:
patent: 3910695 (1975-10-01), Fukuhara et al.
patent: 4051529 (1977-09-01), Miyaoka
patent: 4537489 (1985-08-01), Suzuki et al.
patent: 4733261 (1988-03-01), Gunshi et al.
patent: 4831275 (1989-05-01), Drucker
patent: 5302812 (1994-04-01), Li et al.
patent: 5537109 (1996-07-01), Dowd
patent: 5706143 (1998-01-01), Hipp

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