Motor structure with built-in lens

Details Motor structure with built-in lens Motor structure with built-in lens

2006-10-10

2010-02-02

Koval, Melissa J (Department: 2862)

Photography

With exposure objective focusing means, focusing aid, or...

Lens drive circuit or motor structure

C359S696000, C359S819000

Reexamination Certificate

active

07657170

ABSTRACT:
A motor structure with a built-in lens includes a motor (30), and a lens unit (50) received in the motor and driven by the motor to telescopically move along an axial thereof. An internal thread (344) is formed on an inner surface of the motor. The lens unit includes an upper portion (51) and a lower portion (54). An external thread (544) is formed on an outer surface of the lower portion of the lens unit to threadedly engage with the internal thread of the motor. A dust cover (70) is arranged on the upper portion of the lens unit and defines an opening (71) for the upper portion of the lens unit to move therethrough. The lower portion of the lens unit is limited in the cover so that the external thread is prevented from being exposed to the environment during movement of the lens unit.

REFERENCES:
patent: 4626077 (1986-12-01), Yamamoto
patent: 6064533 (2000-05-01), Kenin et al.
patent: 7039309 (2006-05-01), Hsiao
patent: 7443618 (2008-10-01), Hsiao et al.
patent: 7522352 (2009-04-01), Huang et al.
patent: 7535662 (2009-05-01), Hong et al.
patent: 7574127 (2009-08-01), Hong et al.
patent: 2009/0097837 (2009-04-01), Chen et al.
patent: 200420000592.9 (2005-02-01), None
patent: 20050003398.0 (2006-03-01), None

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