Lens device and photographing apparatus including the same

Details Lens device and photographing apparatus including the same Lens device and photographing apparatus including the same

2007-09-04

2007-09-04

Schwartz, Jordan (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S694000

Reexamination Certificate

active

11092306

ABSTRACT:
In a lens device, when a lens is subjected to speed control and when initialization in which an absolute position of the lens is initialized after a power supply is turned on is completed, the lens is returned to a position before the lens is initialized.

REFERENCES:
patent: 5134525 (1992-07-01), Kaneda
patent: 5930054 (1999-07-01), Kasuya
patent: 6178051 (2001-01-01), Tanaka
patent: 6337952 (2002-01-01), Kubo
patent: 7053936 (2006-05-01), Imura et al.
patent: 2001/0055481 (2001-12-01), Yoshikawa
patent: 0394901 (1990-04-01), None
patent: 0685751 (1995-05-01), None

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