3882305 is referenced by 141 patents and cites 3 patents.

A diagnostic communication system for machine tools interlinks a computer controlled machine tool with diagnostic and analysis equipment located at a location remote from the machine tool. The computer associated with the machine tool is connected with the diagnostic apparatus over a telephone line, and the machine tool is caused to execute a predetermined routine as a result of instructions transmitted to the computer from the diagnostic apparatus. The operating characteristics of the machine are monitored during the operation of the machine, and are communicated to the diagnostic apparatus, where they are compared with corresponding characteristics previously collected for the same machine, and with design limit parameters. Such comparisons furnish an indication of the present operating condition of the machine tool, and establish trends, which are useful in identifying the nature and location of incipient faults or failures before they occur. The system is used both as a diagnostic tool for diagnosing abnormal machine conditions and as a preventative maintenance tool for performing preventative maintenance operations on a routine basis.

Diagnostic communication system for computer controlled machine tools
Application Number
Publication Number
Application Date
January 15, 1974
Publication Date
May 6, 1975
Johnstone Richard
Hill Gross Simpson Van Santen Steadman Chiara & Simpson
Kearney & Treaker Corporation
G06f 15/46
G06f 15/20
G06F 11/273
G05B 19/418
G05B 19/4063
G05B 19/406
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