Automatic focusing device and the electronic image pickup...

Television – Camera – system and detail – Optics

Reexamination Certificate

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Details

C348S349000, C396S081000, C396S093000

Reexamination Certificate

active

06972797

ABSTRACT:
An auto-focusing device and an electronic image pickup apparatus facilitates realizing a high focusing accuracy and a quick focusing operation simultaneously using an inexpensive plastic lens mount. The auto-focusing device according includes a means for correcting the conversion reference, if necessary, for converting the object distance measured by the open-control range finding means to a focusing position of the focusing lens based on the conversion reference and for moving the focusing lens to the converted focusing position. The electronic image pickup apparatus includes the auto-focusing device.

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patent: 2002/0006279 (2002-01-01), Ide
patent: 5-210043 (1993-08-01), None
patent: 2000-121924 (2000-04-01), None

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