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Sensor arrangement, particularly for a passenger protection system of a motor vehicle

  • US 8,527,074 B2
  • Filed: 02/03/2009
  • Issued: 09/03/2013
  • Est. Priority Date: 02/26/2008
  • Status: Active Grant
First Claim
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1. A sensor arrangement, particularly for a passenger protection system of a motor vehicle, comprising:

  • a first group of sensors, at least one of the sensors of the first group configured to measure a different property than other sensors of the first group, the first group of sensors measuring a first group of state parameters jointly usable by a first decision-making unit connected downstream of the first group of sensors for detecting a first event,a first digital unit coupled on an input side thereof to at least a first sensor of the first group of sensors, the first digital unit processing sensor output signals fed thereto and providing digital values to be forwarded to the first decision-making unit,a second group of sensors, the second group of sensors including at least one sensor measuring a property not measured by any sensor of the first group of sensors, at least one of the sensors of the second group configured to measure a different property than other sensors of the second group, the second group of sensors measuring a second group of state parameters jointly usable by a second decision-making unit connected downstream of the second group of sensors for detecting a second event different than the first event,a second digital unit coupled on an input side thereof to at least a first sensor of the second group of sensors, the second digital unit processing sensor output signals fed thereto and providing digital values to be forwarded to the second decision-making unit,wherein at least a second sensor of the first group of sensors is coupled to the second digital unit and at least a second sensor of the second group of sensors is coupled to the first digital unit,wherein the second sensor of the second group is not coupled to the second digital unit and the second sensor of the first group is not coupled to the first digital unit, andwherein the first and second digital units are coupled on output sides thereof to a first and a second node combining the digital values respectively fed into a first and a second output line such that the first node combines the digital values corresponding to the first and second sensor of the first group of sensors on the first output line and the second node combines the digital values corresponding to the first and second sensors of the second group of sensors on the second output line.

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