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Elevator system

  • US 4,473,133 A
  • Filed: 12/06/1982
  • Issued: 09/25/1984
  • Est. Priority Date: 12/06/1982
  • Status: Expired due to Fees
First Claim
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1. A method of improving the two-way flow of information between the dispatcher processor and a plurality of elevator cars, comprising the steps of:

  • providing a communication processor,initiating all communication with the elevator cars by the communication processor,providing a memory which is shared by the dispatcher processor and the communication processor,preparing car mode information (CMI) for the elevator cars by the dispatcher processor,writing CMI into shared memory,reading shared memory by the communication processor to obtain CMI,sending CMI to the elevvator cars,preparing car status information (CSI) by the elevator cars,sending CSI to the communication processor,writing CSI by the communication processor into the shared memory,and reading the shared memory by the dispatcher processor to obtain CSI.

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