(19)
(11) EP 0 443 420 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.12.1991 Bulletin 1991/50

(43) Date of publication A2:
28.08.1991 Bulletin 1991/35

(21) Application number: 91101970.1

(22) Date of filing: 13.02.1991
(51) International Patent Classification (IPC)5: G07F 17/34, G07F 1/06
(84) Designated Contracting States:
AT BE DE DK ES FR GB IT NL

(30) Priority: 20.02.1990 US 482147

(71) Applicant: BALLY GAMING INTERNATIONAL, INC.
Las Vegas Nevada 89119 (US)

(72) Inventors:
  • Hilgendorf, Douglas N.
    Illinois 60031 (US)
  • Pajak, Phillip E.
    Illinois 60558 (US)

(74) Representative: Lorenz, Werner, Dipl.-Ing. 
Lorenz & Gordon, Fasanenstrasse 7
D-89522 Heidenheim
D-89522 Heidenheim (DE)


(56) References cited: : 
   
     
    Remarks:
    A request for correction has been filed pursuant to Rule 88 EPC. A decision on the request will be taken during the proceedings before the Examining Division (Guidelines for Examination in the EPO, A-V, 2.2).
     


    (54) Gaming system accumulating progressive jackpot values


    (57) In order to provide a progressive gaming system with greater speed, flexibility and reliability a communication unit is used to control the information transmitted between a group of gaming machines and a progressive controller. The communication unit collects coin-in information from each of the gaming machines and transmits this information to the progressive controller in response to periodic poll signal signals from the progressive controller.






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