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US Patent 4791565 - Apparatus for controlling the use of computer software
US Patent Issued on December 13, 1988
Estimated Patent Expiration Date:
December 13, 2005Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
December 13, 2005Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractApparatus for controlling the use of software in accordance with authorized software license limits, including a limit of the number of concurrent usages of a particular software in a computer system having one or more operator terminals and a central processor containing the software. The apparatus includes a receiver that monitors usage requests from the software in the central processor. A microprocessor based controller accesses authorized use data stored in an EEPROM. Depending on the propriety of usage requests, the controller and an interruptor and transmitter coupled to the central processor and its software prevents operation of the software and/or provides warning messages on the terminal screen.Other References
| InventorsAssigneeApplicationNo. 06/622657 filed on 06/20/1984US Classes:726/31, Limitations on number or amount of copies705/59LicensingExaminersPrimary: Zache, Raulfe B.Assistant: Munteanu, Florin Attorney, Agent or FirmUS Patent References3806882, 3931504, Electronic data processing security system and methodIssued on: 01/06/1976 Inventor: Jacoby4114139, Security controlled information exchange system Issued on: 09/12/1978 Inventor: Boyd , et al.4168396, Microprocessor for executing enciphered programs Issued on: 09/18/1979 Inventor: Best4184201, Integrating processor element Issued on: 01/15/1980 Inventor: Melberg , et al.4262329, Security system for data processing Issued on: 04/14/1981 Inventor: Bright , et al.4310720, Computer accessing system Issued on: 01/12/1982 Inventor: Check, Jr.4328542, Secure implementation of transition machine computer Issued on: 05/04/1982 Inventor: Anastas , et al.4430728, Computer terminal security system Issued on: 02/07/1984 Inventor: Beitel , et al.4446519, Method and apparatus for providing security for computer software Issued on: 05/01/1984 Inventor: Thomas4458315, Apparatus and method for preventing unauthorized use of computer programs Issued on: 07/03/1984 Inventor: Uchenick4471163, Software protection system Issued on: 09/11/1984 Inventor: Donald , et al.4475175, Computer communications control Issued on: 10/02/1984 Inventor: Smith4484306, Method and apparatus for controlling access in a data transmission system Issued on: 11/20/1984 Inventor: Kulczyckyj , et al.4486828, Data processing system providing data security through coded identification of accessing terminals Issued on: 12/04/1984 Inventor: Kitamura , et al.4506346, Programmable cartridge telephone communication system Issued on: 03/19/1985 Inventor: Bennett , et al.4558176, Computer systems to inhibit unauthorized copying, unauthorized usage, and automated cracking of protected software Issued on: 12/10/1985 Inventor: Arnold , et al.4562306, Method and apparatus for protecting computer software utilizing an active coded hardware device Issued on: 12/31/1985 Inventor: Chou , et al.4578530, End-to-end encryption system and method of operation Issued on: 03/25/1986 Inventor: Zeidler4588991, File access security method and means Issued on: 05/13/1986 Inventor: Atalla4652990, Protected software access control apparatus and method Issued on: 03/24/1987 Inventor: Pailen , et al.4658093, Software distribution system Issued on: 04/14/1987 Inventor: Hellman4683553Method and device for protecting software delivered to a user by a supplier Issued on: 07/28/1987 Inventor: Mollier International ClassesG06F 1/00 (20060101)G06F 21/00 (20060101) |
