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System and method for monitoring electronic data processing equipment

  • US 5,072,370 A
  • Filed: 05/08/1990
  • Issued: 12/10/1991
  • Est. Priority Date: 05/08/1990
  • Status: Expired due to Fees
First Claim
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1. A system for monitoring data processing equipment, comprising at least one remote computer system having a unique encoded identification associated therewith;

  • a monitoring computer system;

    a power line interconnected to said at least one remote computer system and said monitoring computer system providing power to said systems;

    wherein said at least one remote computer system and said monitoring computer system each include transmitting means interconnected to said power line for modulating encoded signals onto to said power line;

    wherein said at least one remote computer system and said monitoring computer system each further include uniform asynchronous receiver-transmitter receiving means interconnected to said power line for demodulating said encoded signals off of said power line;

    wherein said at least one remote computer system comprises a plurality of remote computer systems each with a respective different one of said encoded signals associated therewith;

    wherein said transmitting means of said monitoring computer system includes means for generating and modulating onto said power line interrogative polling command requests received by said plurality of remote computer systems to cause at least one of said plurality of remote computer systems to modulate its said respective different one of said encoded signals onto said power line;

    wherein said receiving means of said plurality of remote computer systems each include means for demodulating said polling command requests thereby generating demodulated polling command requests;

    wherein said receiving means of said plurality of remote computer systems each further include means for causing said transmitting means of each said plurality of remote computer systems to transmit its said respective different one of said encoded signals in response to said demodulated polling command requests;

    wherein said monitoring computer system further including database means interconnected to and executing on said monitoring computer system for storing each said different one of said encoded signals from said plurality of remote computer systems;

    wherein each said different one of said encoded signals further comprises a unique user identification associated with a user interacting with a respective one of said plurality of remote computer systems;

    wherein said database means further includes retrieval means responsive to input from a monitoring user for retrieval of a selected said user identification or said respective different one of said encoded signals; and

    user interface means interconnected to said transmitting means of said monitoring computer system for activating said transmitting means of said monitoring computer system for said modulating of said encoded signals in response to said retrieval; and

    further including means interconnected to said plurality of remote computer systems for disconnecting said plurality of remote computer systems from said power line in response to said interrogative polling command requests and; and

    wherein said system for monitoring data processing equipment further comprises means interconnected to said power line for determining duration of time a respective one of said plurality of remote computer systems is in operation as a function of a respective said different one of said encoded signals.

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