Anti-shake apparatus

Details Anti-shake apparatus Anti-shake apparatus

2005-03-04

2009-02-24

Ometz, David L (Department: 2622)

Television

Camera, system and detail

Camera image stabilization

C348S208110, C348S208400, C348S208500, C348S208130, C359S554000, C359S555000, C359S556000, C359S557000

Reexamination Certificate

active

07495693

ABSTRACT:
An anti-shake-apparatus comprises a movable-unit, a fixed-unit, a signal-processor, and a controller. The movable-unit has an imaging-device and is movable in first-and second-directions. The fixed-unit has a hall-element-unit. The controller controls the movable-unit, the fixed-unit, and the signal-processor, and has first- and second-A/D-converters. The hall-element-unit has first and second horizontal-hall-elements for detecting a first-location, and first and second vertical-hall-elements for detecting a second-location. The movable-unit has a magnetic-field-generating unit having a coil for detecting the first- and second-locations. The signal-processor outputs a first-signal, specifying the first-location from the horizontal-hall-elements, to the first-A/D-converter, and a second-signal, specifying the second-location from the vertical-hall-elements, to the second-A/D-converter. The controller calculates the first-location from an A/D-converting operation of the first-signal, and the second-location from an A/D-converting operation of the second-signal. An current-value is calculated in an initial-adjustment-operation adjusting a detecting-resolution in A/D-converting the first-and second-signals, and flows through the coil.

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English language abstract of the JP 2002-229090.
English language abstract of the JP 2003-110919.
English language abstract of the JP 10-142647.

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