Shake detecting and drift component removal apparatus

Details Shake detecting and drift component removal apparatus Shake detecting and drift component removal apparatus

1995-03-14

1997-04-01

Metjahic, Safet

Photography

Camera shake sensing

Having stabilization system

G03B 708

Patent

active

056171765

ABSTRACT:
A shake detecting apparatus includes a shake detecting sensor for detecting a shake and for outputting a shake detection signal responsive to the detected shake. A reference voltage output device is provided for outputting a reference voltage, and a differential amplifying device is provided for amplifying a difference between the shake detection signal output by the shake detecting sensor and the reference voltage output by the reference voltage output device. The differential amplifying device outputs a differential amplified signal, and a reference voltage controller is provided for modifying the reference voltage output by the reference voltage output device according to the differential amplified signal output by the differential amplifying device. A shake signal correcting device is provided for correcting the differential amplified signal output by the differential amplifying device according to the modified reference voltage output by the reference voltage output device, and for outputting a corrected differential amplified signal.

REFERENCES:
patent: 4856882 (1989-08-01), Oshima et al.
patent: 5020890 (1991-06-01), Oshima et al.
patent: 5062696 (1991-11-01), Oshima et al.
patent: 5294991 (1994-03-01), Oshima et al.
patent: 5479236 (1995-12-01), Tanaka

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