Patent · US Expired

Video telephone

US6246430A · kind A · utility

34Cited by
10References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 1998
Grant dateJun 12, 2001
Priority date
Expiry dateFeb 23, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W76/30
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A video telephone (TEL) for use in an interactive video service is disclosed to establish a switched connection to a video server (VOD) to receive video signals corresponding to selections chosen by a user. In a further aspect, the video telephone (TEL) includes a card slot and chip card reader to activate the TEL by reading the VOD call number from the card data. The TEL automatically dials the VOD to establish the switched connection via the digital radio network GSM and/or the integrated services digital network ISDN.

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