Patent · US Expired

Teleconference terminal equipment and teleconference module

US5477546A · kind A · utility

178Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 1992
Grant dateDec 19, 1995
Priority date
Expiry dateJul 15, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N7/15
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A teleconference terminal equipment adapted to construct an AV meeting system as an intended use, comprising a network interface and communications network control unit, a multimedia multiplexing/demultiplexing and interterminal signal control unit which multiplexes and demultiplexes video data and control data contained in a communication frame to be transmitted by the control unit and a communication frame received by the same, respectively, a picture codec which codes and decodes video data, a video input/output interface which connects an external camera to the picture codec, a camera control/external device multiconnector, and a CPU which controls an operation of the external camera through the multiconnector on the basis of control data delivered from the control unit.

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