Patents
Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294)
10/1987
10/06/1987CA1227885A1 Secure data processing system architecture
09/1987
09/30/1987EP0239283A2 Microcomputer
09/30/1987EP0238537A1 System for preventing software piracy employing multi-encrypted keys and single decryption circuit modules.
09/30/1987CN86106983A Cartridge for gaming machine and gaming machine using the same
09/24/1987WO1987005726A1 Method and device for qualitative saving of digitized data
09/23/1987EP0237529A1 Distributed data system for medical records
09/16/1987EP0236412A1 Secure computer system.
09/15/1987US4694492 Computer communications security control system
09/09/1987EP0235756A2 Owner identification circuit for an electrical apparatus, particularly for car radios
09/09/1987EP0235615A2 Security device with security key for personal and work place computers
09/02/1987EP0234100A2 Method and apparatus for synchronizing the generation of separate, free-running, time-dependent codes
09/01/1987US4691355 Interactive security control system for computer communications and the like
09/01/1987US4691350 Security device for stored sensitive data
08/1987
08/19/1987CN86108645A Method and apparatus for verifying individual's identity
08/18/1987US4688169 Computer software security system
08/11/1987US4686514 Alarm system for computers and the like
08/04/1987US4685124 Microprocessor based control and switching device
08/04/1987US4685056 Computer security device
08/04/1987US4685055 Method and system for controlling use of protected software
08/04/1987US4683968 System for preventing software piracy employing multi-encrypted keys and single decryption circuit modules
07/1987
07/29/1987EP0230350A2 Protection of data in a multiprogramming data processing system
07/28/1987US4683553 Method and device for protecting software delivered to a user by a supplier
07/28/1987US4683372 IC card system
07/23/1987DE3601526A1 Copy protection method for computer programs using smart card
07/15/1987EP0228634A2 Videotex information utility
07/08/1987EP0228329A1 Electronic device constituting high-speed stable memory
07/07/1987US4679236 For authorizing access to a secure facility
07/07/1987US4679226 Computer security guard circuit
07/02/1987WO1987003977A1 Solid state key for controlling access to computer systems and to computer software and/or for secure communications
06/1987
06/30/1987US4677670 Paired-secure message identification controller for computers and the like
06/25/1987DE3544237A1 Device for securing an electronic data processing system against unauthorised access to its data
06/10/1987EP0224639A1 Method to control the memory access of an IC card and implementing device
06/09/1987US4672572 Protector system for computer access and use
06/09/1987US4672533 Electronic linkage interface control security system and method
06/04/1987WO1987003401A1 Device for preventing unauthorised use of data carriers
06/04/1987WO1987003400A1 Device for prevention of unauthorized use of credit cards and the like data media
06/02/1987US4670857 Cartridge-controlled system whose use is limited to authorized cartridges
05/1987
05/27/1987EP0223122A2 Secure component authentication system
05/26/1987US4669117 Video terminal with image line disarrangement
05/26/1987CA1222296A1 User authentication system
05/13/1987EP0221351A1 Integrated circuit with an electroconductive flat element
05/12/1987US4665506 Memory system with write protection
05/06/1987EP0220920A1 Instruction for implementing a secure computer system
04/1987
04/29/1987EP0219685A2 A method for entrapping unauthorized computer access
04/23/1987WO1987002491A1 Personal identification device
04/16/1987DE3533787A1 Protective circuit to secure reception of protected data stream
04/14/1987US4658093 Software distribution system
04/09/1987WO1987002160A1 Distributed data system for medical records
04/08/1987EP0217668A2 A cartridge for gaming machine and a gaming machine using the same
04/08/1987EP0217654A2 Information medium
04/08/1987EP0216937A1 Ic card.
04/01/1987EP0215869A1 System with a device having a data processing unit
03/1987
03/31/1987US4654792 Data processing system including data input authorization
03/26/1987WO1987001835A1 Secure computer system
03/25/1987EP0215464A2 Semiconductor integrated circuit device
03/24/1987US4652990 Protected software access control apparatus and method
03/24/1987US4652698 Method and system for providing system security in a remote terminal environment
03/18/1987EP0214390A1 Release method and device for a controlled-access user memory
03/17/1987US4651204 Jamming signal generating circuit
03/17/1987US4650975 IC card and an identification system thereof
03/12/1987WO1987001483A1 System for preventing software piracy employing multi-encrypted keys and single decryption circuit modules
03/10/1987US4649510 Methods and apparatus for the protection and control of computer programs
03/04/1987EP0213118A2 Method and apparatus for software protection
03/04/1987EP0212615A2 IC card
02/1987
02/24/1987US4646234 Anti-piracy system using separate storage and alternate execution of selected proprietary and public portions of computer programs
02/19/1987DE3525827A1 Device for software protection
02/18/1987CN85105985A Program keyboard apparatus
02/17/1987US4644493 Implementing a shared higher level of privilege on personal computers for copy protection of software
02/05/1987DE3625077A1 Electronic notebook
01/1987
01/29/1987DE3526130A1 Digital program protection chip
01/20/1987US4638120 Method and system for transmission of confidential data
01/14/1987EP0208453A2 Operator-Interactive verification systems and methods
01/14/1987EP0208342A1 Office automation system
01/08/1987DE3621543A1 Computer print=out control for preventing unauthorised access to data - prevents initiation of printer drive mechanism until entered password is verified
01/08/1987DE3608349C1 Data security in a computer
01/07/1987EP0207320A1 Integrated circuit and method to protect secret data
01/07/1987EP0207126A1 Security device for the secure storage of sensitive data.
01/06/1987US4635054 Operator interactive device verification system
01/06/1987US4634809 Terminal systems
01/06/1987US4634807 Software protection device
12/1986
12/30/1986US4633388 On-chip microprocessor instruction decoder having hardware for selectively bypassing on-chip circuitry used to decipher encrypted instruction codes
12/30/1986EP0206704A2 System for determining the authenticity of software in an information processing apparatus
12/30/1986EP0205584A1 Electronic linkage interface control security system and method
12/17/1986EP0205095A2 Method and arrangement for protecting the access to a computer
12/17/1986EP0205020A2 Portable electronic memorandum device
12/10/1986EP0204154A2 Software protection and identification system
12/03/1986EP0203066A1 Security and usage monitoring
11/1986
11/20/1986EP0201628A1 Programmable keyboard mechanism
11/05/1986EP0199730A1 A security alarm and theft prevention apparatus
11/04/1986US4621334 Personal identification apparatus
11/04/1986US4621321 Secure data processing system architecture
10/1986
10/21/1986CA1213070A1 Memory unit comprising a memory and a protection unit
10/21/1986CA1213069A1 Data processing system having public encryption and private decryption keys
10/14/1986US4617650 Memory module for a programmable electronic device
10/09/1986WO1986005898A1 System with a device having a data processing unit
09/1986
09/25/1986WO1986005613A1 Ic card
09/24/1986EP0195098A1 System for reproducing information in material objects at a point of sale location
09/23/1986US4613937 Method for externally programming a device implanted in a patient
09/17/1986EP0194782A2 Telecommunications security device
09/17/1986EP0194289A1 Information display scheme for subscribers of a subscription television system.