Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ulrich Friedrich0
Date of Patent
November 3, 2009
0Patent Application Number
110804410
Date Filed
March 16, 2005
0Patent Primary Examiner
Patent abstract
A method for wireless data transmission between a base station and one or more, in particular passive, transponders is provided, in which electromagnetic carrier waves are emitted by the base station. Data comprising successive characters are transmitted from a respective transponder to the base station by modulation and backscattering of the electromagnetic carrier waves, and a respective one of the characters is coded and transmitted by a respective transponder within a predefined time interval. Within at least one of the predefined time intervals, a safeguard character formed from the data to be transmitted is transmitted in addition to the character to be transmitted.
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