Patent · US Expired

Videophone system and method

US7239338B2 · kind B2 · utility

64Cited by
9References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 2003
Grant dateJul 3, 2007
Priority date
Expiry dateMar 22, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/6187
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

System and method for providing personal videotelephony in which a plurality of videophones are connected to a communications network that is configured for transmitted video and audio communications. Each of the videophones typically includes a camera, display device, telephone keypad, speaker and microphone all of which are operatively connected. The videophones further include means for selectably receiving and transmitting signals over the communications network, which signals represent images and/or sound, and for selectably displaying the signals representing any received signals representing the images on the display screen, and for playing any received signals representing the sounds on said speaker. Means are also provided for selectably accessing a remote location, such as, but not limited to, another videophone, using information entered or selected by a user of the videophone, and to retrieve the signals representing the images and sounds being transmitted from the remote location. In one or more embodiments the present invention further includes at least one networks operation center to store information related to the operation of the videophones and to facilitate the…

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