Patent · US Expired

Disc ejecting structure with plurality of disk position sensors

US5136570A · kind A · utility

26Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 13, 1990
Grant dateAug 4, 1992
Priority date
Expiry dateSep 13, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B19/12
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A disc ejecting structure capable of positively detecting the position of a disc during a disc ejecting operation to eject the disc from a disc player with safety and high reliability. The disc ejecting structure includes a plurality of disc detecting sensors which are so arranged that a disc which is in the course of ejection or at an ejection completing position is detected depending upon patterns of combination of detection and non-detection modes of the sensors.

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