Patent · US Expired

Method and apparatus for generic insertion of data in vertical blanking intervals

US6072532A · kind A · utility

50Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1997
Grant dateJun 6, 2000
Priority date
Expiry dateFeb 18, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N7/035
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for manipulating and de-manipulating Vertical Blanking Interval (VBI) data having any one of a plurality of formats, comprising an encoder, a transmission medium and a decoder. The encoder receives the VBI data having an original data format and manipulates the format of the VBI data into a general VBI format. This signal is transferred to the decoder where the decoder de-manipulate the general VBI format of the VBI data into the original VBI format.

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