Patents
Sitemap › G06 - Computing; Calculating; Counting › G06F - Electric digital data processing › 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)
09/1986
09/16/1986CA1211542A1 Security arrangement for and method of rendering microprocessor-controlled electronic equipment inoperative after occurrence of disabling event
09/02/1986US4609777 Solid state key for controlling access to computer software
08/1986
08/27/1986EP0192243A2 Method of protecting system files and data processing unit for implementing said method
08/26/1986CA1210470A1 Protection system for intelligent cards
08/20/1986EP0191162A2 Method of software protection
08/06/1986EP0189476A1 Security system and method for remote terminal network.
08/05/1986US4604708 Electronic security system for externally powered devices
07/1986
07/29/1986US4603381 Use of implant process for programming ROM type processor for encryption
07/23/1986EP0187763A1 Data processor having module access control
07/23/1986EP0172239A4 Solid state key for controlling access to computer software.
07/08/1986US4599489 Solid state key for controlling access to computer software
07/03/1986WO1986003864A1 Electronic linkage interface control security system and method
07/03/1986WO1986003861A1 Security device for the secure storage of sensitive data
07/02/1986EP0186038A2 Identification system
07/02/1986EP0185724A1 An encoder/decoder
07/01/1986US4598170 Secure microprocessor
06/1986
06/24/1986US4597061 Memory system using pipeline circuitry for improved speed
06/24/1986US4597058 Cartridge programming system
06/17/1986US4595950 Method and apparatus for marking the information content of an information carrying signal
06/17/1986CA1206271A1 Encryption/decryption device for use with rom's
06/11/1986EP0184023A1 Method and apparatus for the protection against unauthorized operation of protected programmes in a microcomputer
06/04/1986EP0183608A2 Software security system
06/03/1986US4593384 Security device for the secure storage of sensitive data
06/03/1986US4593376 System for vending program cartridges which have circuitry for inhibiting program usage after preset time interval expires
06/03/1986US4593353 Software protection method and apparatus
05/1986
05/27/1986US4591978 Method of interrelating a master computer with a peripheral device
05/20/1986US4590557 Method and apparatus for controlling software configurations in data processing systems
05/20/1986US4590552 Security bit for designating the security status of information stored in a nonvolatile memory
05/20/1986US4590470 Communication system
05/13/1986US4588991 File access security method and means
05/09/1986WO1986002759A1 A security alarm and theft prevention apparatus
04/1986
04/23/1986EP0178512A1 MOS circuit including an EEPROM
04/22/1986US4584665 Arrangement for protecting against the unauthorized reading of program words stored in a memory
04/22/1986US4584641 Copyprotecting system for software protection
04/01/1986US4580039 Circuit arrangement for the protection of data in volatile write-read memories (RAM)
03/1986
03/27/1986WO1986001962A1 Information display scheme for subscribers of a subscription television system
03/26/1986EP0175620A2 Access verification arrangement for digital data processing system which has demand-paged memory
03/26/1986EP0175557A1 Processing device and method
03/26/1986EP0175487A2 Software protection device
03/26/1986EP0175359A2 Apparatus for providing security in computer systems
03/19/1986EP0174472A2 Implementing a shared higher level of privilege on personal computers for copy protection of software
03/18/1986US4577289 Hardware key-on-disk system for copy-protecting magnetic storage media
03/11/1986CA1201813A1 Arrangement for protecting against the unauthorized reading of program words stored in a memory
03/05/1986EP0173103A2 IC Card and an identification system thereof
03/05/1986EP0172867A1 Computer software protection
02/1986
02/27/1986WO1986001323A1 Security system and method for remote terminal network
02/26/1986EP0172239A1 Solid state key for controlling access to computer software.
02/25/1986US4573119 Computer software protection system
02/25/1986US4572946 Credit card circuit arrangement with a memory and an access control unit
02/19/1986EP0171456A1 Computer software protection system
02/05/1986EP0170644A1 Anti-burglary detection device
02/05/1986EP0169941A1 Monolithic integrated semiconductor circuit
02/05/1986EP0169913A1 Method of altering program protecting range
01/1986
01/22/1986EP0168861A2 Video terminal with image line disarrangement
01/16/1986WO1986000437A1 Data processor having module access control
01/07/1986CA1199125A1 Computer program protection method and apparatus
01/03/1986WO1986000162A1 An encoder/decoder
12/1985
12/31/1985US4562306 Method and apparatus for protecting computer software utilizing an active coded hardware device
12/31/1985US4562305 Software cryptographic apparatus and method
12/27/1985EP0165789A2 Device for protecting computer software
12/11/1985EP0163715A1 Computer system
12/10/1985US4558176 Computer systems to inhibit unauthorized copying, unauthorized usage, and automated cracking of protected software
11/1985
11/27/1985EP0162707A2 ROM protection scheme
11/27/1985EP0162581A1 Apparatus and method for security of electric and electronic devices
11/26/1985US4555591 Integrated circuit devices for secure data encryption
11/21/1985EP0161310A1 Software distribution system
10/1985
10/29/1985US4550350 Secure copy method and device for stored programs
10/16/1985EP0158257A1 Method for the protected access to stored information words
10/09/1985EP0157303A2 Data processing device
10/01/1985US4544833 Process and apparatus for authenticating or certifying at least one item of information contained in a memory of a removable and portable electronic carrier, such as a card
09/1985
09/25/1985EP0155399A2 Protection circuit for the prevention of non-authorised execution of a programme
09/24/1985CA1194213A1 Sync suppression scrambling of television signals for subscription tv
09/12/1985WO1985004032A1 Computer software protection
09/11/1985EP0154252A2 Programmable read only memory device and memory system employing the same
08/1985
08/29/1985WO1985003785A1 Solid state key for controlling access to computer software
08/28/1985EP0152900A2 Data processing system having protected system files
08/27/1985US4538027 System for inputting a security code to a computer
08/21/1985EP0152024A2 Portable data storing/processing device
08/21/1985EP0151714A2 Apparatus for securing secret information
08/15/1985WO1985003584A1 Security and usage monitoring
08/07/1985EP0151049A2 Microcomputer with software protection
08/01/1985WO1985003370A1 Method of altering program protecting range
07/1985
07/24/1985EP0149015A2 Method and apparatus for copy-protecting magnetic storage media
07/23/1985US4531023 Computer security system for a time shared computer accessed over telephone lines
07/09/1985US4528643 System for reproducing information in material objects at a point of sale location
07/09/1985US4528588 Method and apparatus for marking the information content of an information carrying signal
06/1985
06/25/1985US4525599 Software protection methods and apparatus
06/20/1985WO1985002696A1 Computer system
06/19/1985EP0145405A2 Security arrangement for microprecessor-controlled electronic equipment
06/18/1985CA1189207A1 Computer terminal security system
06/11/1985US4523271 Software protection method and apparatus
06/05/1985EP0143766A2 An arrangement in terminal systems
05/1985
05/23/1985WO1985002310A1 Software distribution system
05/22/1985EP0142013A2 Portable memory for recording, storing and reproducing data
05/21/1985US4519036 For a computer
04/1985
04/24/1985EP0138386A2 Identification card
04/24/1985EP0137995A2 Single-chip microcomputer with encryptable function on program memory
04/23/1985US4513174 Software security method using partial fabrication of proprietary control word decoders and microinstruction memories
04/17/1985EP0137075A1 Method for the protection of machine readable programmes against reading and copying
04/03/1985EP0136155A2 Single-chip microcomputer comprising means for preventing read-out of its internal ROM
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