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Badge Systems

• Ascom - produce a cordless infrared alarm transceiver to locate personel for security purposes.
  
  
• AT&T Laboratories Cambridge, Active Badge System - Provides a means of locating individuals within a building by determining the location of their active badge which transmits a unique IR signal every 10 seconds to a network of sensors. Find here a list of publications and some video clips reviewing the development of this system.
  
  
• Efcon - A series of smart IR cards to be used for simplifying collection of public transit fares and parking fees. Also systems for collecting tolls on highways without requiring vehicles to stop using scannig laser beams.
  
  
• Eldat Communication - Electronic shelf labels for store mechandise. These labels have a two-way communication link via diffuse IR to a central pricing computer. Mobile price verifying devices are also able to communicate via IR to the central computer.