Patent · US Expired

Disc player and method of reproducing the same

US5734631A · kind A · utility

4Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1995
Grant dateMar 31, 1998
Priority date
Expiry dateOct 13, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B19/14
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A disc player includes: a plurality of guide devices arranged radiately in radial directions of a disc from a rotary axis of the disc. Each of the guide devices includes two parallel shafts vertically arranged for supporting at least one pickup device in a manner slidable in the radial direction. The vertical positions of the parallel shafts of one of the guide devices are different from the vertical positions of the parallel shafts of the guide device neighboring to the one guide device so that the parallel shafts substantially vertically aligned at inner end portions of the shafts on the side of the rotary axis.

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