Patent · US Expired

Television digital data frame with error detection

US4426698A · kind A · utility

103Cited by
10References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 24, 1981
Grant dateJan 17, 1984
Priority date
Expiry dateAug 24, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N7/025
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Digital data information is transmitted during at least one whole frame in television format, for the display of a television frame of alpha-numeric characters. The digital information is fitted to television lines with check bits at the end of each line. Successive fields of a frame carry the same digital information for redundant verification of accuracy. Microprocessors control processing of the information at both transmitting and receiving locations, coactively with memories. An identification code is provided for each frame.

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