Cordless telephone system
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United States of America Patent
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May 24, 2011
Grant Date -
Nov 2, 2006
app pub date -
Jan 20, 2004
filing date -
Jan 28, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Cordless telephones according to the DECT standard are constantly transmitting a so-called dummy barrier at a certain power level, repetition interval and transmit frequency to apply corrections to the synchronization counters in the portable parts for synchronization to the fixed part. According to the present invention, once timing of the portable part is synchronized to the fixed part, a wired connection is used for applying these small synchronization corrections with respect to the synchronization between the portable part and the fixed part of the DECT telephone system. Advantageously, an emission of electromagnetic energy is thereby reduced significantly.
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Family
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