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Robot system using a vision sensor

  • US 9,782,897 B2
  • Filed: 08/19/2016
  • Issued: 10/10/2017
  • Est. Priority Date: 08/31/2015
  • Status: Active Grant
First Claim
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1. A robot system including a robot which is provided in a robot operating section and a robot controller which controls the operation of the robot in the robot operating section, comprising:

  • an imaging unit for imaging a predetermined section which includes at least a portion of the robot operating section;

    an image processing unit which processes images taken by the imaging unit;

    an entry request unit which is to be operated when a person requests to enter the predetermined section; and

    a signal output unit which outputs, depending on a processing result of the image processing unit, an entry preparation signal indicating an entry preparation state for receiving the operation of the entry request unit, and an entry permission signal indicating that, in a case where the entry request unit has requested the person to enter the predetermined section, the person is permitted to enter the predetermined section;

    wherein if the image processing unit detects that the operation of the robot has been stopped, the signal output unit outputs the entry preparation signal, and thereafter, if the person requests to enter the predetermined section using the entry request unit, an instruction to stop the operation of the robot, or an instruction to stop the operation of the robot as well as an instruction to stop a portion of the robot system which is necessary to enable the person to enter therein, are outputted, and the signal output unit outputs the entry permission signal.

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