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Method for operating a communication system and objects for such a system

  • US 7,574,192 B2
  • Filed: 02/28/2003
  • Issued: 08/11/2009
  • Est. Priority Date: 08/29/2000
  • Status: Expired due to Fees
First Claim
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1. A method for operating a communication system for communication between a central station and a plurality of remote objects, the method comprising:

  • operating said objects in a battery saving mode in which an object is switched alternately between a wake period for conducting communication between the object and the central station and a sleep period in which communication is inactive, wherein a predetermined first time (t0) and a predetermined time interval (Dt) is designated to each of the objects for initiating the wake periods at times t0+n (Dt), where n equals increasing integer numbers beginning from zero.

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