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Distributed microprocessor control system for a copier/duplicator

  • US 4,190,350 A
  • Filed: 08/30/1977
  • Issued: 02/26/1980
  • Est. Priority Date: 08/30/1977
  • Status: Expired due to Term
First Claim
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1. A distributed processing system for reproduction machine, said machine producing copies of original documents and having a plurality of operating stations and a plurality of devices for controlling operational tasks within said operating stations, comprising:

  • a. a master programmable controller having program storage means for storing an operational program for controlling said machine,b. at least one programmable area controller said programmable area controller being distinct from said master controller, said programmable area controller having program storage means for storing an operational program for controlling at least one of said devices,c. at least one non-programmable area controller for controlling at least one of said devices; and

    d. bus means coupling said programmable area controller and said non-programmable area controller with said master controller for transmitting and receiving data between said master controller and said programmable and non-programmable area controllers to control said operating tasks of said operating stations whereby to enable said machine to produce copies.

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