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SAFETY SCANNER

  • US 20110077814A1
  • Filed: 08/18/2010
  • Published: 03/31/2011
  • Est. Priority Date: 09/28/2009
  • Status: Abandoned Application
First Claim
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1. A safety scanner (10) for the securing of the environment of a vehicle, in particular of a driverless transport system (60), comprisinga light transmitter (12);

  • a light deflection unit (16) for the deflection of the light into a protected field (56) to be monitored;

    a receiver (24) for the provision of received signals in dependence on light remitted at objects present in the field of view of the scanner (10);

    an evaluation unit (32) for the evaluation of the received signals and of the incremental encoder signals and for the provision of a safety signal;

    a first input (50) connected to a vehicle speed determination unit (32-3) for the reception of first signals which are representative of a vehicle speed;

    switchover means (32-1) for the safe switching over between at least two different protected fields (56-x) in dependence on the vehicle speed,whereina second input (52) is connected to the vehicle speed determination unit (32-3) for the reception of desired speed signals of the vehicle (60) and the vehicle speed determination unit (32-3) has comparison means (32-2) with which an actual speed can be compared with a desired speed on the basis of the first signals and of the desired speed signals and the safety signal can also be output in dependence on this comparison.

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