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Monitoring System And Method For Determining The Speed And/Or Angle Of Motion Of An Object

  • US 20080204704A1
  • Filed: 01/25/2008
  • Published: 08/28/2008
  • Est. Priority Date: 01/25/2007
  • Status: Abandoned Application
First Claim
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1. A monitoring system comprising:

  • a phototransmitter for providing illumination of a portion of a space through which an object will pass;

    a plurality of photoreceivers spaced apart from one another, wherein each photoreceiver comprising a plurality of receiver elements, and wherein the phototransmitter and the plurality of photoreceivers are configured to establish a respective light curtain associated with each photoreciver;

    a triggering mechanism configured to cause the phototransmitter to provide the illumination in response to a predefined triggering event; and

    a controller configured to analyze output signals provided by the receiver elements of the plurality of photoreceivers and to detect the object in relation to a respective photoreceiver based upon the output signals provided by the receiver elements of the respective photoreceiver, wherein the controller is also configured to determine a parameter associated with a flight of the object through the space based upon detection of the object in relation to each of a plurality of the photoreceivers.

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