Method of and system for transmitting signals using frequency hopping
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United States of America Patent
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Apr 10, 2012
Grant Date -
Feb 5, 2009
app pub date -
Apr 3, 2008
filing date -
Jan 3, 2002
priority date (Note) -
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Abstract
Method of and system for transmitting signals, e.g. control signals, request signals, interrogation signals etc. in a control system comprising at least two units, wherein at least one of said units is designed to operate as a master unit and wherein at least one of said units is designed to operate as a slave unit,
- whereby a plurality of channels may be used for the transmission,whereby a first unit performs the steps of detecting a vacant channel and transmitting a signal via said vacant channel, andwhereby at least one other unit performs the step of scanning the channels for transmitted signals.
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