Patent · US Expired

Automatic record changer

US4340958A · kind A · utility

1Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1980
Grant dateJul 20, 1982
Priority date
Expiry dateDec 1, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B19/26
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A record changer mechanism is provided wherein an improved belt shifting arrangement is provided to change the speed at which the turntable of the mechanism is rotated.

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