Patent · US Expired

Video signal recording/playback apparatus, video signal playback apparatus, and method of recording and playing back video signals

US7450820B2 · kind B2 · utility

3Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 2003
Grant dateNov 11, 2008
Priority date
Expiry dateJan 20, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2220/90
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A video signal recording/playback apparatus displays a current playback position as a time difference from a current recording position in a simple form. The video signal recording/playback apparatus displays the playback position together with an entire scheduled recording time as a frame, thus allowing a user to acknowledge the current playback position with the current recording time.

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