Image taking apparatus

Details Image taking apparatus Image taking apparatus

2008-07-29

2008-07-29

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S697000, C359S698000

Reexamination Certificate

active

07405888

ABSTRACT:
An image taking apparatus is provided with a lens driving unit that includes a magnetic shaft in which the S pole and the N pole are alternately aligned in a longitudinal direction of the shaft. The lens driving unit also includes a first lens holding frame that holds a first lens and has a first coil, and a second lens holding frame that holds a second lens and has a second coil. The magnetic shaft is inserted in the first and second coils, so that each of the first and second coils form a linear motor in cooperation with the magnetic shaft.

REFERENCES:
patent: 6822810 (2004-11-01), Ichino
patent: 7019914 (2006-03-01), Omiya et al.
patent: 7190533 (2007-03-01), Nakamura
patent: 8-292358 (1996-11-01), None
patent: 2002-350709 (2002-12-01), None
patent: 2004-4321 (2004-01-01), None

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