Patent · US Expired

Apparatus for recording and/or reproducing digital information signal

US4646171A · kind A · utility

10Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1986
Grant dateFeb 24, 1987
Priority date
Expiry dateApr 28, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2020/1087
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus for recording and/or reproducing digital information signal with sampling frequencies fs1, fs2, fs3, --- fsn comprising circuit for selecting one of the sampling frequency, and circuit for generating a field clock having a field frequency F determined by a following equation; EQU fs1/N1=fs2/N2=fs3/N3=--- =fsn/Nn=F wherein N1, N2, N3, ---Nn are the number of data words in one field.

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