Image-shake compensation apparatus

Details Image-shake compensation apparatus Image-shake compensation apparatus

1999-05-13

2000-11-28

Perkey, W. B.

Photography

Camera shake sensing

Having stabilization system

G03B 1700

Patent

active

061546119

ABSTRACT:
In an image-shake compensation apparatus, a movable unit is driven by a driving unit to provide image shake-compensation and a determination unit determines whether the driving unit is in condition to drive the movable unit. The determination unit inputs a predetermined driving signal to the driving unit for operating the driving unit. Concurrently, the determining unit detects a prescribed electromotive force induced in an electrical conductive section disposed in a magnetic flux which generates a displacement relative to the magnetic flux in response to the movement of the movable unit to perform the determination.

REFERENCES:
patent: 5771406 (1998-06-01), Sakamoto et al.
patent: 5822623 (1998-10-01), Urata et al.
patent: 5946503 (1999-08-01), Washisu
patent: 5978600 (1999-11-01), Takeuchi et al.

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