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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US398465826 sept. 19755 oct. 1976Programmable card actuated lock
US409573926 août 197720 juin 1978A-T-O Inc.System for limiting access to security system program
US40977271 sept. 197727 juin 1978A-T-O Inc.Circuit for controlling automatic off-line operation of an on-line card reader
US411414025 avr. 197712 sept. 1978Engineered Systems, Inc.Verification checking system
US421637512 mars 19795 août 1980A-T-O Inc.Self-contained programmable terminal for security systems
US425053321 mai 197910 févr. 1981Security system
US46755154 mars 198623 juin 1987Drive-through credit card payment device
US472797523 août 19851 mars 1988Schulte-Schlagbaum AktiengesellschaftUse-control system
US477451310 nov. 198627 sept. 1988Michel Bonnaval-LamotheProcess for controlling the use of documents and documents and means for implementing this process
US488729227 janv. 198912 déc. 1989Supra Products, Inc.Electronic lock system with improved data dissemination
US48962462 mai 198923 janv. 1990Supra Products, Inc.Electronic lock with energy conservation features
US491231010 févr. 198827 mars 1990Method of and system for issuing cards
US49147328 sept. 19893 avr. 1990Supra Products, Inc.Electronic key with interactive graphic user interface
US49152055 juin 198710 avr. 1990Sovereign Technical Services Ltd.Apparatus for dispensing and receiving rented articles
US491644327 oct. 198810 avr. 1990Supra Products, Inc.Method and apparatus for compiling data relating to operation of an electronic lock system
US492988027 déc. 198829 mai 1990Supra Products, Inc.Electronic lock system with battery conservation features
US494716311 sept. 19897 août 1990Supra Products, Inc.Electronic security system with configurable key
US498898727 janv. 198929 janv. 1991Supra Products, Inc.Keysafe system with timer/calendar features
US50217769 août 19894 juin 1991Yale Security Inc.Electronic combination of lock with changeable entry codes, lock-out and programming code
US521087325 mai 199011 mai 1993CSI Control Systems International, Inc.Real-time computer system with multitasking supervisor for building access control or the like
US52456525 déc. 199114 sept. 1993Supra Products, Inc.Secure entry system with acoustically coupled telephone interface
US582277119 mai 199713 oct. 1998Fujitsu LimitedSystem for management of software employing memory for processing unit with regulatory information, for limiting amount of use and number of backup copies of software
US583601014 mars 199610 nov. 1998SamSung Electronics Co., Ltd.Personal computer using chip-in card to prevent unauthorized use
US59466608 janv. 199731 août 1999Chas-Tech, Inc.Automated storage system
US606764017 mars 199823 mai 2000Fujitsu LimitedSystem for management of software employing memory for processing unit with regulatory information, for limiting amount of use and number of backup copies of software
US69071352 mars 199814 juin 2005British Telecommunications public limited companySecurity check provision
US69897329 oct. 200224 janv. 2006SentriLock, Inc.Electronic lock system and method for its use with card only mode
US700948914 juin 20027 mars 2006SentriLock, Inc.Electronic lock system and method for its use
US708625819 mars 20048 août 2006Sentrilock, Inc.Electronic lock box with single linear actuator operating two different latching mechanisms
US719350329 juil. 200520 mars 2007Sentrilock, Inc.Electronic lock system and method for its use with a secure memory card
US742045619 mars 20042 sept. 2008Sentri Lock, Inc.Electronic lock box with multiple modes and security states
US742413516 févr. 20059 sept. 2008British Telecommunications, plcSecurity check provision
US776497724 mai 200627 juil. 2010Nokia CorporationMemory card removal guard
US823286023 oct. 200631 juil. 2012Honeywell International Inc.RFID reader for facility access control and authorization
USRE3487216 juin 198914 mars 1995Drive-through credit card payment device