Patent · US Expired

Enhancing operations of video tape cassette players

US7499628B2 · kind B2 · utility

16Cited by
83References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 2002
Grant dateMar 3, 2009
Priority date
Expiry dateNov 6, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/47
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Operation of a video cassette player is facilitated by providing a VBI decoder which decodes information, such as title, channel, date, time and length of broadcast programs and utilizing the information in providing directory of the programs as well as control of the VCR. The video cassette player is also provided with a VBI encoder for inserting control as well as directory information into the tape, either in the VBI portions of the video track or in the control track.

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