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Tool identification

  • US 7,096,077 B2
  • Filed: 06/27/2002
  • Issued: 08/22/2006
  • Est. Priority Date: 06/28/2001
  • Status: Expired due to Fees
First Claim
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1. A measurement tool identification system comprising:

  • a co-ordinate positioning machine including a intermediate circuit, a measurement tool holding head, the head including a first joint part having a first releasable mounting and a first electrical connection in electrical communication with the intermediate circuit, and at least one interface circuit in electrical communication with the intermediate circuit, for conditioning the outputs of a tool, the at least one interface circuit having an interface circuit identification device;

    a second joint part including a second releasable mounting and a second electrical connection, each being complementary with the mounting and connection of the first joint part, the second joint part including a measurement tool identification device,the tool and circuit identification devices each comprising a digital data store and wherein the intermediate circuit interrogates the digital data stores of the tool and interface circuit identification devices in order to identify the tool and interface circuits and electrically connects the appropriate interface circuit to the second joint part following the identification.

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