G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity

Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294)
08/1988
08/23/1988	US4766516 Method and apparatus for securing integrated circuits from unauthorized copying and use
08/17/1988	EP0277967A1 System for controlling access to a store of information
08/16/1988	US4764959 Single-chip microcomputer with encryptable function on program memory
08/11/1988	WO1988005941A1 Apparatus and method for regulating the use of proprietary computer software
08/10/1988	EP0277152A1 One-time programmable data security system for programmable logic device
08/09/1988	US4763351 Computer security system
08/09/1988	CA1240395A1 Arrangement in terminal systems
08/03/1988	EP0276450A1 Data protection circuit to inhibit the transmission of signals on a bus
07/1988
07/27/1988	EP0275734A1 Security device for a computer terminal with a keyboard
07/19/1988	US4759062 Arrangement for and method of protecting private security codes from unauthorized disclosure
07/14/1988	WO1988005203A1 Optical disc and optical disc unit
07/12/1988	US4757534 Code protection using cryptography
07/12/1988	US4757533 Security system for microcomputers
06/1988
06/29/1988	EP0272977A1 Protection device for an erasable and reprogrammable ROM
06/28/1988	CA1238716A1 Security device for the secure storage of sensitive data
06/22/1988	EP0272230A2 An operator console for data communication purposes
06/22/1988	EP0271495A1 Ic card system.
06/21/1988	CA1238427A1 Code protection using cryptography
06/21/1988	CA1238420A1 Method and system for providing system security in a remote terminal environment
06/15/1988	EP0270571A1 Arrangement for a portable data carrier having multiple application files.
06/14/1988	US4751667 Method and apparatus for verifying the identity of dynamic memory
06/01/1988	EP0269468A1 Security circuit for programming a non-volatile electrically programmable memory
06/01/1988	EP0269437A2 Restricted access television transmission system
06/01/1988	EP0269353A2 Arrangement and method for controlling access to electric and electronic devices
06/01/1988	EP0268882A1 Tamper resistant package for protecting electronic circuitry
05/1988
05/31/1988	US4748561 Method of protecting computer software
05/25/1988	EP0268142A2 Tamper-resistant packaging for protection of information stored in electronic circuitry
05/25/1988	EP0268141A2 Remote access terminal security
05/25/1988	EP0268140A2 Hardware cartridge representing verifiable, use-once authorization
05/25/1988	EP0268139A2 Manipulating rights-to-execute in connection with a software copy protection mechanism
05/25/1988	EP0268138A2 Implementing privilege on microprocessor systems for use in software asset protection
05/24/1988	US4747139 For processing encrypted information
05/24/1988	CA1237200A1 Access verification arrangement for digital data processing system which has demand-paged memory
05/24/1988	CA1237194A1 Ic card and an identification system thereof
05/18/1988	EP0267259A1 Security file system for a portable data carrier.
05/11/1988	EP0267114A1 Integrated circuit for memorizing and confidentially processing information, comprising an anti-fraud device
05/11/1988	EP0266748A2 A software protection system using a single-key cryptosystem, a hardware-based authorization system and a secure coprocessor
05/11/1988	EP0266605A2 Cable television channel selector/descrambler for the use with cable-ready video appliances
05/10/1988	US4743894 Owner identification system for electronic equipment, particularly automotive audio equipment
05/05/1988	WO1988003287A1 Computer security system
05/05/1988	DE3736190A1 Access control system and method for smart cards
05/04/1988	EP0266044A2 Telecommunication security system and key memory module therefor
05/03/1988	US4742215 IC card system
04/1988
04/27/1988	EP0265312A1 Integrated circuit of the logic type comprising an EEPROM
04/27/1988	EP0265183A2 Billing system for computer software
04/26/1988	US4741048 One-way addressable system
04/26/1988	US4740890 Software protection system with trial period usage code and unlimited use unlocking code both recorded on program storage media
04/26/1988	CA1235821A1 Data processor having module access control
04/21/1988	WO1988002960A1 Database usage metering and protection system and method
04/06/1988	EP0262859A1 Adjunct processor for providing computer facility access protection via call transfer
04/05/1988	CA1234920A1 Rom protection scheme
03/1988
03/31/1988	DE3633297A1 Highly effective system to protect software against unauthorised use or misuse on computer system(s) other than that (those) which are supplied with a protective system
03/30/1988	EP0262025A2 System for permitting access to data field area in IC card for multiple services
03/30/1988	EP0261162A1 Method for qualitative saving of digitized data.
03/29/1988	US4734569 IC card
03/29/1988	US4734568 IC card which can set security level for every memory area
03/24/1988	WO1988002202A1 Metering retrieval of encrypted data stored in customer data retrieval terminal
03/24/1988	WO1988002142A1 Data processing system security
03/23/1988	EP0261030A2 System for data field area acquisition in IC card for multiple services
03/23/1988	CN87106153A System for providing telecommunication connections with computer
03/22/1988	US4733345 Computer-telephone security device
03/09/1988	EP0258945A1 System for providing a telecommunication connection with a computer
02/1988
02/25/1988	WO1988001408A1 System for controlling access to a store of information
02/23/1988	US4727544 Memory integrity checking system for a gaming device
02/16/1988	US4725977 Cartridge programming system and method using a central and local program library
02/03/1988	EP0255414A1 Integrated protection circuit with a memory having two selectable address areas
01/1988
01/27/1988	EP0254565A2 Methods of and apparatus for forming identification data
01/27/1988	EP0253885A1 Solid state key for controlling access to computer systems and to computer software and/or for secure communications
01/19/1988	US4720860 Method and apparatus for positively identifying an individual
01/14/1988	WO1988000372A1 One-time programmable data security system for programmable logic device
01/12/1988	US4719566 Method for entrapping unauthorized computer access
01/12/1988	CA1231457A1 Method and apparatus to provide security for computer systems
01/07/1988	EP0251853A1 Integrated circuit for memorizing and confidentially processing information, comprising an anti-fraud device
01/05/1988	US4718038 Data security device for storing data at a peripheral part of the device during power down thus preventing improper retrieval
12/1987
12/29/1987	US4716586 State sequence dependent read only memory
12/15/1987	US4713753 Secure data processing system architecture with format control
12/15/1987	CA1230393A1 Cartridge programming system and method
12/09/1987	EP0248712A1 Security keyboard unit, in particular for the composition of a confidential code
12/08/1987	US4712239 Security arrangement for downloadable cable television converters
12/08/1987	US4712177 Circuit for a cord carrier having a memory and an access control unit for secure data access
12/01/1987	US4710613 Identification system
12/01/1987	CA1229931A1 Video terminal with image line disarrangement
11/1987
11/25/1987	EP0246965A1 Security device for an EPROM
11/24/1987	US4709136 IC card reader/writer apparatus
11/19/1987	WO1987007063A1 Arrangement for a portable data carrier having multiple application files
11/19/1987	WO1987007061A1 Security file system for a portable data carrier
11/19/1987	WO1987007060A1 Ic card system
11/19/1987	EP0246119A1 Optional system for protecting access to a computer
11/19/1987	EP0245429A1 Device for preventing unauthorised use of data carriers
11/19/1987	EP0245428A1 Device for prevention of unauthorized use of credit cards and the like data media.
11/17/1987	US4707804 Computer security system
11/04/1987	EP0243873A2 IC card identification system including pin-check time means
10/1987
10/29/1987	DE3613827A1 Digital computer
10/28/1987	EP0242808A1 Method and system for confirming user in modem communications
10/21/1987	EP0241598A2 System for accounting for postage expended by a postage meter having data security during editing of accounts
10/21/1987	EP0241504A1 Personal identification device
10/20/1987	US4701840 Secure data processing system architecture
10/14/1987	EP0240616A1 Method to test and set data in a record on disk in one atomic input/output operation
10/07/1987	EP0240328A2 Computer security device
10/06/1987	US4698617 ROM Protection scheme

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