Method for the transmission of a sensor data signal and an additional data signal from a sensor component to at least one receiver
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United States of America Patent
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Sep 13, 2005
Grant Date -
Jul 1, 2004
app pub date -
Apr 20, 2002
filing date -
May 5, 2001
priority date (Note) -
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Abstract
A method for the transmission of sensor data from a sensor assembly to one or more receivers is presented, in which, in response to a control signal, additional data are transmitted at least temporarily for a short time instead of the sensor data, whereby only a certain limited value range of the value range that is available for the sensor data transmission is used for the transmission of the additional data, so that even with receivers which do not recognize that the transmitted data are additional data, erroneous functions or malfunctions are to be excluded. Thus, especially that value range of the sensor data signal that is to be attributed to a noise of the quantity to be measured or of the sensor assembly and is therefore not evaluated by the receiver in the normal signal operation, is used for the transmission of the additional data. In occupant protection systems, the safety-uncritical value range of a sensor data signal, which leads to no triggering of the occupant protection system, can correspondingly be used for the transmission of the additional data.
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