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Method of automatically assigning device addresses to devices communicating over a common data bus

  • US 5,671,387 A
  • Filed: 11/07/1995
  • Issued: 09/23/1997
  • Est. Priority Date: 09/03/1991
  • Status: Expired due to Term
First Claim
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1. A method of labelling a device connected to a data bus with a unique device address, in a system comprising a plurality of devices operating on a peer basis, the method comprising the steps of:

  • a) sending out a first trial address from said device and waiting for an acknowledgment from any other device connected to said data bus with a device address which is identical to said first trial address;

    b) if an acknowledgment is received from any other device, sending out a subsequent, different, trial address and waiting for an acknowledgment from any other device with a device address which is identical to said subsequent trial address; and

    c) if an acknowledgment is received, repeating step b), otherwise labelling said device with said unacknowledged address as its unique device address;

    wherein said device is a component in a panel system arrangement comprising at least one elongated panel assembly including a plurality of panels following one another along the length of said panel assembly, said panels being configured to provide various aesthetic, light transmitting, or environment controlling characteristics;

    first and second spaced rollers, said panel assembly having first and second ends respectively secured to said first and second rollers and being selectively windable onto one or the other of said roller in a manner enabling any said panel or portion thereof to be positioned between said rollers; and

    control means effective for automatically positioning any one of said panels that has been selected via a selection device between said rollers.

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