Patent · US Active

Voice coil motor

US8558419B2 · kind B2 · utility

6Cited by
2References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 18, 2011
Grant dateOct 15, 2013
Priority date
Expiry dateNov 13, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K33/04
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a voice coil motor, the motor including a mover having a bobbin equipped with a lens and a coil block secured to an outer circumference of the bobbin; a stator having a magnet that is disposed in such a way as to face the coil block; elastic members coupled to a lower end of the bobbin and connected to both ends of the coil block; a base supporting the elastic members and the stator; and a cover can covering the mover, the stator and the base, with an opening being formed in the cover can to expose the lens therethrough, wherein each of the elastic members includes a terminal portion that extends between the cover can and a side surface of the base, the terminal portion including a short-circuit prevention portion so as to prevent a short-circuit between the terminal portion and the cover can.

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