发明名称 APPARATUS FOR CONTROLLING THE USE OF COMPUTER SOFTWARE
摘要 <p>APPARATUS FOR CONTROLLING THE USE OF COMPUTER SOFTWARE Apparatus for controlling the use of software in accordance with authorized software license limits in a computer system having one or more operator terminals and a central processing unit containing the software. The device includes a receiver that monitors usage requests from the software in the central processing unit. A microprocessor based controller accesses authorized use data stored in an EEPROM. Depending on the proprietary of usage requests, the controller and an interruptor and transmitter coupled to the central processing unit and its software prevents operation of the software and/or provides warning messages on the terminal screen.</p>
申请公布号 CA1246747(A) 申请公布日期 1988.12.13
申请号 CA19850483994 申请日期 1985.06.14
申请人 EFFECTIVE SECURITY SYSTEMS, INC. 发明人 DUNHAM, MICHAEL D.;DYKSTRA, THOMAS M.;VAHLSING, DONALD W.;EHLERS, PAUL L.
分类号 G06F12/14;G06F1/00;G06F9/06;G06F15/00;G06F21/00;G06F21/20;G06F21/22;G06F21/24;(IPC1-7):G06F1/00 主分类号 G06F12/14
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