Patent · US Expired

Control device

US4046386A · kind A · utility

6Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 1976
Grant dateSep 6, 1977
Priority date
Expiry dateFeb 27, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B3/08519
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Method and apparatus for accurately controlling the position of a first member such as a phonograph stylus relative to a second movable member on which it is carried.

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