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Peripheral data acquisition, monitor, and adaptive control system via personal computer

  • US 5,400,246 A
  • Filed: 08/05/1992
  • Issued: 03/21/1995
  • Est. Priority Date: 05/09/1989
  • Status: Expired due to Term
First Claim
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1. A system for monitoring and controlling a remotely-located, electrically-controlled device, said device having at least two operational states, and having means for changing said operational states in response to a device control signal, and having means for providing a device monitor signal at least indicative of changes in each of said two operational states of said device, said system comprising:

  • computer means for executing at least one software program under user control, said computer means including a central processor, a display monitor, and a keyboard bus adapted to be coupled to a keyboard via a keyboard port, said keyboard bus including a bidirectional data line for normally providing two-way data communication between said keyboard and said computer means;

    interface means for interfacing said computer means to said electrically-controlled device, said interface means including;

    means for inputting said device monitor signal from said electrically-controlled device;

    means for modulating a carrier signal with said device monitor signal for transmission;

    means for transmitting said modulated device monitor carrier signal via a wireless or power-line transmission media;

    means for receiving said modulated device monitor carrier signal via said transmission media;

    means for demodulating said modulated device monitor carrier signal to provide said device monitor signal;

    means for translating said device monitor signal into a code signal which is adapted to be interpreted by said computer means; and

    means for coupling said code signal to said computer means using only said keyboard port; and

    wherein said software program of said computer means interprets said code signal and instructs said computer means to provide an indication to the user as to changes in said operational states of said device.

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