Patent · US Active

Voice coil motor

US9575283B2 · kind B2 · utility

10Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2015
Grant dateFeb 21, 2017
Priority date
Expiry dateOct 15, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N23/55
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-accommodating, both ends opened cylindrical bobbin and a coil block including a coil wound on a periphery of the bobbin; a stator including a cylindrical yoke formed with a lens-exposing opening, a plurality of magnets disposed inside the yoke and opposite to the coil block, and a housing disposed inside the yoke to fix the plurality of magnets; and an elastic member elastically supporting the bobbin.

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