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Diagnostic communications system for computer controlled machine tools

  • US RE31,247 E
  • Filed: 09/08/1981
  • Issued: 05/17/1983
  • Est. Priority Date: 01/15/1974
  • Status: Expired due to Term
First Claim
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1. In a computer controlled machine tool system having a machine tool, a computer for said machine tool, and a power drive means connected to effect operation of said machine tool in response to signals from said computer, the combination comprising:

  • a. control means located at a site remote from said machine .Iadd.tool .Iaddend.and connected to said computer for controlling said computer to operate said machine.[.,.]. .Iadd.tool so as to cause said computer for said machine tool to initiate execution of a set of predetermined diagnostic programs to gather diagnostic data indicative of the operating characteristics of said machine tool;

    .Iaddend.b. means responsive to the operation of said machine tool for communicating .[.selected.]. .Iadd.said diagnostic .Iaddend.data from said machine tool site to said remote site.[.,.]..Iadd.;

    c. means located at said remote site for comparing said .[.selected.]. .Iadd.diagnostic .Iaddend.data with .[.predetermined.]. .Iadd.previously gathered initial machine .Iaddend.data.[.,.]. .Iadd.indicative of the same operating characteristics of the machine tool when it was in its pristine state; and

    .Iaddend.d. means for manifesting a difference between said .[.selected.]. .Iadd.diagnostic data .Iaddend.and said .[.predetermined.]. .Iadd.previously gathered initial machine .Iaddend.data.

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