Image blur suppression device for an optical camera

Details Image blur suppression device for an optical camera Image blur suppression device for an optical camera

1995-05-10

1997-07-29

Metjahic, Safet

Photography

Camera shake sensing

Having stabilization system

348208, G03B 1700

Patent

active

056529180

ABSTRACT:
A motion compensation device for suppressing image blur in an imaging optical system corrects for both vertical and horizontal blur using an angular velocity sensor. The angular velocity sensors detect the rotary motion in the imaging optical system, such as for a camera. An actuator generates drive power to drive the compensation optical system, electromagnetically, approximately perpendicular to the optical axis of the imaging optical system, based on the output from the angular velocity sensor, and a location detector that monitors the location of the compensation optical system. A signal monitor monitors the driving signal that drives the actuator. An optimal driving signal convertor converts the output from the angular velocity sensor to an optimal driving signal for the actuator. The driving signal of actuator is corrected based on the difference between the optimal driving signal and driving signal as monitored by signal monitor.

REFERENCES:
patent: 4996545 (1991-02-01), Enomoto et al.
patent: 5266988 (1993-11-01), Washisu
patent: 5317394 (1994-05-01), Hale et al.
patent: 5450126 (1995-09-01), Nishida
patent: 5479236 (1995-12-01), Tanaka

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