Patent · US Expired

Magnetic tape system for optimally reproducing still and slow motion video pictures

US4428004A · kind A · utility

9Cited by
8References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 5, 1981
Grant dateJan 24, 1984
Priority date
Expiry dateMay 5, 2001

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B15/1875
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A VTR reproducing system in a slant track type video tape recorder, in which a tape transport motor is driven by two pulse signals formed of a reference signal and different in frequency but coincident in phase, thereby reproducing a noiseless still picture and a slow motion picture on the television receiver.

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