The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 2008
Filed:
Sep. 06, 2002
Thomas A. Gentles, Algonquin, IL (US);
Timothy C. Loose, Chicago, IL (US);
Wayne H. Rothschild, Northbrook, IL (US);
Thomas A. Gentles, Algonquin, IL (US);
Timothy C. Loose, Chicago, IL (US);
Wayne H. Rothschild, Northbrook, IL (US);
WMS Gaming Inc., Waukegan, IL (US);
Abstract
A gaming machine for conducting a wagering game comprises a processing apparatus and a secondary apparatus. To inhibit unauthorized persons from replacing some or all of the software executed by the processing apparatus with unapproved software, the processing apparatus transmits a security message to the secondary apparatus. The secondary apparatus, in turn, transmits an enable signal critical to machine function in response to successful validation of the security message. The secondary apparatus may, for example, be a programmable logic circuit external to the processing apparatus.