Patent · US Expired

Optical pickup actuator and method with multi-conductive suspension

US7478411B2 · kind B2 · utility

0Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 2005
Grant dateJan 13, 2009
Priority date
Expiry dateDec 13, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K3/3405
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical pickup actuator including a multi-conductive suspension. The optical pickup actuator may include a base, a holder fixed to the base, a bobbin holding an object lens and having a plurality of driving coils, and a plurality of suspensions connected between the bobbin and the holder and movably supporting the bobbin toward the holder, wherein each of the suspensions may be a multi-conductive suspension including a flexible substrate and a plurality of wires, formed on the flexible substrate, applying currents to the coils.

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