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Cash accounting and surveillance system for games

  • US 4,283,709 A
  • Filed: 01/29/1980
  • Issued: 08/11/1981
  • Est. Priority Date: 01/29/1980
  • Status: Expired due to Term
First Claim
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1. A cash accounting and surveillance system for gaming machines comprising;

  • first means within each machine for monitoring the input of items of monetary value and the payout of items of monetary value, and for maintaining digital signals indicative of the cumulative numbers thereof,second means within each machine for communication over data lines, said second means having a unique address on said communication lines and being responsive thereto to transmit said signals of said first means on said data lines,node means coupled to a plurality of said second means through said data communication lines, said node means including means for polling all of said second means coupled thereto and for receiving said digital signals therefrom, said node means having non-volatile storage means for maintaining data responsive to said digital signals in spite of system power loss and node means failures.

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