| Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294) |
|---|
| 06/24/1993 | WO1993012494A1 Interface of information selling terminal |
| 06/24/1993 | WO1993012493A1 Drive unit for reading information in information selling terminal |
| 06/24/1993 | WO1993012492A1 Information selling system |
| 06/24/1993 | WO1993012491A1 Information selling system |
| 06/23/1993 | EP0547990A1 Method and system for group access control in a data processing system library |
| 06/23/1993 | EP0547975A1 Method and system to authenticate, by an external medium, a portable object connected via a transmission line to this medium |
| 06/23/1993 | EP0547741A1 Security mechanism for a computer system |
| 06/22/1993 | US5222231 Data processing system having a resume function and an operating method thereof |
| 06/22/1993 | US5222135 Process for the control of the use of a data processing work station by a password and data processing work station using this process |
| 06/22/1993 | US5222134 Secure system for activating personal computer software at remote locations |
| 06/22/1993 | US5222133 Method of protecting computer software from unauthorized execution using multiple keys |
| 06/15/1993 | US5220661 System and method for reducing timing channels in digital data processing systems |
| 06/15/1993 | US5220604 Method for performing group exclusion in hierarchical group structures |
| 06/15/1993 | US5220603 Access control in a distributed computer system |
| 06/15/1993 | CA1319189C Cable television channel selector/descrambler for use with cable-ready video appliances |
| 06/10/1993 | WO1993011511A2 Personal identification devices and access control systems |
| 06/10/1993 | WO1993011480A1 System and method for network license administration |
| 06/08/1993 | US5218701 Command file processing and authorizing system and method with variable access levels |
| 06/08/1993 | US5218606 Current-spare switching control system |
| 06/02/1993 | EP0544528A1 A secret information protection system |
| 06/01/1993 | US5216633 Nonvolatile semiconductor memory device including access code circuitry |
| 05/27/1993 | WO1993010503A1 Electronic-monetary system |
| 05/26/1993 | EP0543668A1 Apparatus for receiving scrambled signals and recording method |
| 05/26/1993 | EP0543644A2 Command authentication process between a master and a slave station encrypted messages |
| 05/26/1993 | EP0543304A1 Method and system for access validation in a computer system |
| 05/25/1993 | US5214702 Public key/signature cryptosystem with enhanced digital signature certification |
| 05/25/1993 | US5214701 Method of processing data by compression and permutation for microcircuit cards |
| 05/25/1993 | US5214697 Program execution apparatus for ensuring security of a program |
| 05/25/1993 | US5214696 Data processing system and method to produce softcopy book readers which are limited to reading only books published by a specific publisher |
| 05/22/1993 | CA2077834A1 Command authentication process |
| 05/19/1993 | EP0542298A2 Electronic monetary system |
| 05/19/1993 | EP0542088A1 Protection device for circuit components and/or data in an electrotechnical apparatus |
| 05/18/1993 | US5212729 Computer data security device and method |
| 05/18/1993 | US5212728 Dynamic trace elements |
| 05/18/1993 | CA1318028C System and method for providing for secure encryptor key management |
| 05/13/1993 | WO1993009498A1 Method and system protecting data in storage device against computer viruses |
| 05/13/1993 | WO1993009495A1 Computer memory protection |
| 05/13/1993 | WO1993009488A1 Device for protecting a computer facility by restricting access thereto |
| 05/13/1993 | DE4135767A1 Safety system in electronic data storage circuitry - includes erasing device and flexible film sensors which respond to effects outside set range by energising erasing device |
| 05/13/1993 | CA2123001A1 Computer memory protection |
| 05/12/1993 | EP0541435A1 System and method of detecting unauthorized use of identifiers for computer access |
| 05/11/1993 | US5210844 System using selected logical processor identification based upon a select address for accessing corresponding partition blocks of the main memory |
| 05/11/1993 | US5210795 Secure user authentication from personal computer |
| 05/05/1993 | EP0540139A2 Improvements in security enclosures |
| 05/05/1993 | EP0539726A2 Method to establish and enforce a network cryptographic security policy in a public key cryptosystem |
| 05/04/1993 | US5208853 Method and apparatus for usage protection of data files using split key and unique variable |
| 05/01/1993 | WO1993009621A1 Electronic identification system having remote automatic response capability and automatic identification method thereof |
| 04/29/1993 | WO1993008521A1 Computer security peripheral device |
| 04/29/1993 | DE4210163C1 Hardware protector for external mass data memory or disc used by personal computer - comprises plug-in card and raised data control card, with connector strip along one edge |
| 04/28/1993 | EP0538464A1 License management system |
| 04/28/1993 | EP0538453A1 Management interface and format for license management system |
| 04/28/1993 | EP0532503A4 Cable television radio frequency subscriber data transmission apparatus and calibration method |
| 04/27/1993 | US5206938 Ic card with memory area protection based on address line restriction |
| 04/21/1993 | EP0537925A1 File-secure computer system |
| 04/21/1993 | EP0537738A2 Method of protecting computer software from unauthorized execution using multiple keys |
| 04/20/1993 | US5204966 System for controlling access to a secure system by verifying acceptability of proposed password by using hashing and group of unacceptable passwords |
| 04/20/1993 | US5204961 Computer network operating with multilevel hierarchical security with selectable common trust realms and corresponding security protocols |
| 04/20/1993 | US5204897 Management interface for license management system |
| 04/20/1993 | US5203576 Clip for a gasket |
| 04/20/1993 | CA2007468C Prevention of alteration of data stored in secure integrated circuit chip memory |
| 04/15/1993 | WO1993007595A1 System for storing computerized data on a recording medium |
| 04/15/1993 | DE4232216A1 Password processing system for computer access - has external hardware unit that can be connected in order to erase passwords to allow start up |
| 04/15/1993 | DE4232024A1 Computer system with password processing function - compresses password for storage and compares it with entered password also in compressed form |
| 04/14/1993 | EP0536943A2 Data security arrangements for semiconductor programmable logic devices |
| 04/13/1993 | US5202997 Device for controlling access to computer peripherals |
| 04/13/1993 | US5202929 Data system and method |
| 04/13/1993 | US5202921 Method and apparatus for authenticating users of a communication system to each other |
| 04/01/1993 | WO1993006695A1 Enhanced security system for computing devices |
| 03/30/1993 | US5199066 Method and apparatus for protecting software |
| 03/30/1993 | US5198806 Remote control and secure access for personal computers |
| 03/24/1993 | EP0533204A2 Information recording/reproducing apparatus for converting and processing data exceeding error correction ability at recording |
| 03/24/1993 | EP0532503A1 Cable television radio frequency subscriber data transmission apparatus and calibration method. |
| 03/23/1993 | US5196840 Secure communications system for remotely located computers |
| 03/23/1993 | CA1315002C Software licensing management system |
| 03/23/1993 | CA1315001C Method and system for preventing unauthorized use of software |
| 03/18/1993 | WO1993005494A1 Electronic data manipulation system |
| 03/17/1993 | EP0532197A2 Access control mechanism |
| 03/17/1993 | EP0531784A2 Apparatus for encryption and decryption using split key |
| 03/17/1993 | EP0531671A2 Memory card for computers, process for manufacturing this card and method of protecting software using the card |
| 03/17/1993 | EP0428528B1 Data security device |
| 03/16/1993 | US5194855 Security device |
| 03/10/1993 | EP0531194A1 Data authentication method |
| 03/09/1993 | US5193162 Cache memory with data compaction for use in the audit trail of a data processing system having record locking capabilities |
| 03/04/1993 | WO1993004213A1 Manufacture of a tool with wear-resistant diamond cutting edge |
| 03/04/1993 | DE4129202A1 Protection circuit for personal identification number key=pad - uses number of keys to enter PIN value, with indicated values varying in pseudo-random manner |
| 03/03/1993 | EP0529261A2 A hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors |
| 03/02/1993 | US5191613 Knowledge based system for document authentication |
| 03/02/1993 | US5191611 Method and apparatus for protecting material on storage media and for transferring material on storage media to various recipients |
| 03/02/1993 | US5191608 Method for the management of an application program loaded in a microcircuit medium |
| 03/02/1993 | US5191323 Remote power on control device |
| 03/02/1993 | CA1314101C Expert system for security inspection of a digital computer system in a network environment |
| 02/24/1993 | EP0528730A1 Method for emitting and receiving personalized programs |
| 02/24/1993 | EP0527820A1 Method and means to limit access to computer systems |
| 02/23/1993 | US5189700 Devices to (1) supply authenticated time and (2) time stamp and authenticate digital documents |
| 02/18/1993 | DE4126852A1 Werkzeug mit verschleissfester diamantschneide, verfahren zu dessen herstellung sowie dessen verwendung Tool with wear-resistant diamond cutting edge, process for its preparation and its use |
| 02/16/1993 | US5187352 Microprocessor controlled security system for computers |
| 02/10/1993 | EP0527010A2 Protection system for critical memory information |
| 02/09/1993 | US5185717 Tamper resistant module having logical elements arranged in multiple layers on the outer surface of a substrate to protect stored information |
| 02/09/1993 | US5184830 Compact hand-held video game system |
| 02/06/1993 | CA2072504A1 Protection system for critical memory information |