Patent · US Active

Voice coil motor

US9140881B2 · kind B2 · utility

7Cited by

6References

30Claims

0Family size

Assignee

LG INNOTEK CO., LTD. · KR

Inventors

Sang Ok Park · Seoul, KR
Seong Min Lee · Seoul, KR

Key dates

Filing date	Aug 20, 2014
Grant date	Sep 22, 2015
Priority date	—
Expiry date	Aug 20, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG03B2205/0069
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A VCM is disclosed, the motor including a stator including a first driving unit, a rotor arranged inside the stator, including a second driving unit responding to the first driving unit and mounted therein with a lens, a base fixing the stator, and an elastic member coupled to the rotor to float the rotor from the base in a case a driving signal for driving the first and second driving units is not applied to the first and second driving units.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.