Patent · US Expired

Electronic apparatus having television device

US4475164A · kind A · utility

6Cited by
12References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 18, 1983
Grant dateOct 2, 1984
Priority date
Expiry dateApr 18, 2003

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/02
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This electronic apparatus has combined functions of an electronic calculator or the like and a television receiver, and is automatically shifted, at the start of the calculator function, to a vacant television channel for the display of calculator functions on the television screen and returned to the television receiving function at the end of the calculator function.

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