×

Machine event processing system

  • US 4,689,757 A
  • Filed: 12/17/1985
  • Issued: 08/25/1987
  • Est. Priority Date: 01/17/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of monitoring machine events in a coin operated machine which produces electrical signals upon each occurrence of an event, said method of monitoring machine events comprising;

  • converting said electrical signals to low level digital signals;

    counting said low level signals with parallel binary counting means receiving said low level digital signals to produce data;

    converting said data from said parallel binary counting means to serial data by transferring said data to a plurality of serially connected shift registers;

    storing said data converted from parallel to serial data form in said plurality of serially connected shift registers;

    said steps of counting said low level digital signals, and converting and storing said data comprising unidirectionally and non-destructively counting said low level digital signals, and converting and storing said data in serial data form; and

    transferring said stored serial data from said plurality of serially connected shift registers to computer processing means.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×