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Message transmitting system for reproduction machines and copiers

  • US 4,523,299 A
  • Filed: 09/21/1982
  • Issued: 06/11/1985
  • Est. Priority Date: 09/21/1982
  • Status: Expired due to Term
First Claim
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1. In a copy reproducing machine for making copies of document originals having a master control module and remote operating modules cooperable with one another to form said copy reproducing machine, the combination of:

  • (a) a shared communication line linking said modules together, said shared communication line serving as the sole vehicle for communicating control instructions between said modules for making said copies;

    (b) a shared line transmitter for each of said modules including(1) means for addressing control instructions from the module to at least one other of said modules, and(2) means for placing said control instructions following said addressing onto said shared communication line for transmission over said shared communication line to said modules; and

    (c) a shared line receiver for each of said modules including(1) means for detecting control instructions addressed to said module from control instructions addressed to other modules being transmitted on said shared communication line, and(2) means for receiving said control instructions addressed to said module from said shared communication line to said module.

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