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Apparatus for inspecting and setting the state of electronics audio/video devices

  • US 5,757,777 A
  • Filed: 06/19/1995
  • Issued: 05/26/1998
  • Est. Priority Date: 09/29/1993
  • Status: Expired due to Term
First Claim
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1. An electronic inspection device for inspecting audio/video apparatus composed of a plurality of separate audio/video devices that can be connected in at least one correct manner and at least one incorrect manner, said electronic inspection device comprising:

  • a signal transmitter for transmitting a request signal to a selected audio/video device via a bus-line to which said selected audio/video device is connected;

    a signal receiver for receiving a device output signal from said selected audio/video device via said bus-line and producing a receiver output signal, said device output signal being produced by said selected audio/video device in response to said request signal from said signal transmitter; and

    a state analyzing unit for analyzing said receiver output signal, wherein said state analyzing unit determines the correct or incorrect connection of said selected audio/video device based on said receiver output signal obtained from said signal receiver.

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