Patent · US Expired

Multi-disk player system

US4788673A · kind A · utility

12Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1987
Grant dateNov 29, 1988
Priority date
Expiry dateJul 31, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B23/032
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A multi-disk player system comprising a housing, a playing mechanism provided within the housing, a magazine that is capable of accommodating a plurality of disks in an orderly manner and which is provided detachably with respect to the housing, a magazine loading detector for detecting the loading of said magazine within the housing, and a disk pickup and transport device that selects a desired disk from the magazine and transports the same to the play position. The magazine loading detector is comprised of a pair of push levers that are positioned in the deepest magazine loading area and are in engagement with the magazine, a pair of sensor switches capable of engaging with the push levers. The push levers are spaced apart from each other by the distance corresponding to the thick portion of the magazine. The system may include a disk container comprising a plurality of trays on which disks are to be placed, and the magazine for accommodating the trays. The magazine is provided with partitions that limit the vertical position of the trays. The height of the underside of each partition is set at a value equal to that of the top of the disk placed on the tray below each partition.

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