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Infrared Technologies

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Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.

Infrared is the region in the electromagnetic spectrum that falls between radio waves and visible light. Infrared can't be seen, but it can be felt as heat given a strong energy source. A camera equipped with infrared-sensitive film can take pictures of "warm" objects in low-light environments. Most people are familiar with infrared as implemented in remote control devices.

This topic continues in "The Encyclopedia of Networking and Telecommunications" with a discussion of the following:

  • Infrared signaling for computing and networking devices
  • direct and diffused signaling
  • Wavelength ranges of operation for infrared systems
  • Discussions of systems using infrared
  • Fiber-optic transmission systems
  • Point-to-point metropolitan laser systems
  • Free space optical systems
  • Infrared LANs and home networks
  • Infrared data interconnects
  • IrDA DATA standard consists
  • PHY (Physical Signaling Layer)
  • IrLAP (Link Access Protocol)
  • IrLMP (Link Management Protocol)
  • Optional protocols

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