Patent · US Expired

Optical pickup apparatus for optical disc drive having an improved receiving unit

US7334246B2 · kind B2 · utility

1Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 2004
Grant dateFeb 19, 2008
Priority date
Expiry dateNov 24, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B7/08582
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical pickup apparatus for an optical disc drive, including: a base; a turntable disposed above the base and which rotates an optical disc; an optical pickup unit which reciprocates with respect to the turntable in a radial direction of the turntable; a driving part which moves the optical pickup unit with respect to the turntable; and a guide unit having an auxiliary guide which supports an end of the optical pickup unit and which guides the optical pickup unit along a moving path. The optical pickup unit and the auxiliary guide are in line-contact with each other.

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