Patent · US Expired

System, method, and apparatus for bi-directional infrared communication

US6893346B2 · kind B2 · utility

9Cited by
39References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2002
Grant dateMay 17, 2005
Priority date
Expiry dateSep 23, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63F2300/402
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An infrared (IR) communication device for audible sound communication over an infrared beam. The IR communication device includes an IR receiver, an IR transmitter, a speaker, and a microphone 210. The IR receiver receives the incoming IR beam. The IR transmitter 206 generates the IR output beam. A pair of IR communication devices form an IR communication system with a pair of IR communication channels. Simplex and full duplex IR communication may be provided over one or a pair of IR communication channels.

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