Patent · US Expired

Information providing device and method

US6978472B1 · kind B1 · utility

74Cited by
11References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1999
Grant dateDec 20, 2005
Priority date
Expiry dateNov 30, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/4826
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to an information providing apparatus and an information providing apparatus. The display screen is switched to a predetermined display screen and receives processing on this predetermined display screen by operation of another operation key. Thus, in case where the present invention is applied to a set-top box for digital satellite broadcasting or the like to provide a large number of programs by various selection methods, the number of operation keys of a remote control device is prevented from being increased, so the operationality can be improved.

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