Patent · US Expired

Device for the attenuation of the movement of reel motors in tape recorders during standstill of the tape drive roller

US4419609A · kind A · utility

1Cited by
8References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 1, 1982
Grant dateDec 6, 1983
Priority date
Expiry dateSep 1, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B15/58
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Device for the attenuation of the movement of the reel motors in recording devices during standstill of the tape capstan drive roller. The regulation of the reel motors proceeds during the normal run of the tape via the motor current and during the standstill of the capstan drive via the voltage which lies at the reel motors.

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