| Patents for E05B 49 - Electric permutation locks; Circuits therefor (8,951) |
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| 09/30/1992 | EP0506152A1 Revolving door for the protection of the access to and/or exit from a room |
| 09/16/1992 | EP0503695A1 System for accesssing a plurality of stations |
| 09/09/1992 | EP0502567A1 Remote control system for controlling a function of a base station |
| 09/01/1992 | US5144667 Method of secure remote access |
| 08/19/1992 | CN1017913B Locking machanism with actuator |
| 08/18/1992 | US5140317 Electronic security system |
| 08/12/1992 | EP0498465A1 A magnetic key operated lock apparatus and a module therefor |
| 08/12/1992 | EP0497889A1 Method and apparatus for secure identification and verification. |
| 08/05/1992 | EP0497040A1 Removable file programming unit |
| 08/05/1992 | CN2111987U Puzzle lock in use for guarding sneak current |
| 08/05/1992 | CN2111986U Anti-theft photoelectric puzzle lock |
| 08/04/1992 | US5136548 Remote-control system for closures |
| 07/28/1992 | US5134392 Keyless entry system for locking and unlocking a vehicular lock device by a pocket portable radio signal transmitter and antenna arrangement therefor |
| 07/28/1992 | CA1305594C Door holding device |
| 07/21/1992 | US5132661 Security system employing optical key shape reader |
| 07/09/1992 | WO1992011431A1 Closure system, for example central locking system for motor vehicles |
| 07/09/1992 | WO1992011430A1 High security electronic dial combination lock |
| 07/08/1992 | CN2109426U Magnetic controlled code lock and key thereof |
| 07/01/1992 | EP0492692A2 Remote accessing system |
| 07/01/1992 | EP0492689A1 Revolving door, particularly for the protection of the access to a room |
| 06/30/1992 | CA1304477C Lock system |
| 06/25/1992 | WO1992010630A1 Remote actuating apparatus comprising keypad controlled transmitter |
| 06/24/1992 | CN1062186A Time-space code electronic lock circuit |
| 06/23/1992 | CA1303869C Electromechanical lock system |
| 06/23/1992 | CA1303867C Security system |
| 06/17/1992 | EP0345284B1 Anti-theft vehicle system |
| 06/17/1992 | CN2107501U Multifunctional electronic cipher lock |
| 06/11/1992 | WO1992009773A1 Safety lock with multiple operation with emergency manual intervention facility |
| 06/10/1992 | CN2106868U Long-distance direct dialling electronic lock |
| 06/09/1992 | US5120939 Databaseless security system |
| 06/04/1992 | DE4031692C1 Electronic key circuit in contactless chip=card - forms interface working with prim. electronic integrated circuit using interactive coils with ferrite cores buried in substrate |
| 06/03/1992 | CN2106201U Electric control hand-operated rotating clutch toggle bolt mechanism for electric control lock |
| 05/29/1992 | WO1992008863A1 System for preventing unsanctioned switching |
| 05/27/1992 | CN2105538U Door lock with electronic code alarm |
| 05/13/1992 | CN2104280U Electronic cipher anti-stealing door |
| 05/05/1992 | US5111199 Pocket-portable radio code signal transmitter for automotive keyless entry system |
| 04/15/1992 | EP0480246A1 Electronic duplication prevention of keyless entry signal featuring energy conserving method of transmission |
| 04/15/1992 | EP0290547B1 Identification system |
| 04/15/1992 | EP0193537B1 Microcomputer controlled locking system |
| 04/14/1992 | CA1298902C2 Microcomputer controlled door locking system |
| 04/10/1992 | CA2051952A1 Electronic duplication prevention of keyless entry signal featuring energy conserving method of transmission |
| 04/08/1992 | CN2101072U Multi-function telephone electronic code lock |
| 03/25/1992 | CN2099801U Multifunctional electron puzzle lock for door |
| 03/25/1992 | CN2099800U Theft-proof device with electron cipher |
| 03/17/1992 | US5097505 Method and apparatus for secure identification and verification |
| 03/10/1992 | US5095196 Security system with imaging function |
| 03/04/1992 | EP0472528A1 Transmission and receiving system. |
| 02/26/1992 | CN2097249U Touch type multifunctional electronic anti-theft cipher lock |
| 02/20/1992 | WO1992002702A1 Remote programming of vehicle functions |
| 02/04/1992 | US5085062 Keys and related magnetic locks to control accesses |
| 01/29/1992 | CN2094594U Changeable program control electronic puzzle lock |
| 01/29/1992 | CN2094593U Electronic puzzle lock |
| 01/29/1992 | CN1058251A Cipher lock controlled by programmable controller |
| 01/22/1992 | CN2093886U Infrared light-control cipher alarm box |
| 01/21/1992 | CA1294688C Identification system |
| 01/07/1992 | US5079411 Electronic lock and key mechanism |
| 01/02/1992 | DE4020445A1 Automobile antitheft device - uses defined time slot for reception of response code signal at stationary transponder within vehicle |
| 01/01/1992 | CN2091919U Anti-theft puzzle case with electronic recognition |
| 12/27/1991 | EP0435870A4 Electronic lock with manual combination override |
| 12/25/1991 | CN2091336U Pulse electromagnetic cipher lock |
| 12/15/1991 | WO1991020026A1 Distributed database security system |
| 12/11/1991 | EP0460986A1 Central locking device for car doors |
| 12/11/1991 | CN2090407U Keying type electronic permutation lock |
| 12/06/1991 | CA2043432A1 Device for the centralised control of the opening points of a motor vehicle |
| 12/04/1991 | CN2089961U Puzzle lock controlled by electricity |
| 12/04/1991 | CN2089960U Photoelectric puzzle lock |
| 12/03/1991 | CA1292625C Locking mechanism with actuator |
| 11/12/1991 | WO1991018169A1 Electronic security system |
| 10/29/1991 | US5061923 Computerized combination lock |
| 10/17/1991 | WO1991015644A1 Central locking installation for a motor vehicle |
| 10/15/1991 | US5058161 Method and apparatus for secure identification and verification |
| 10/15/1991 | US5057830 Locking device operative with sequence of electric signals |
| 10/08/1991 | US5055701 Operator responsive keyless entry system with variable random codes |
| 09/25/1991 | CN2085397U Electronic cipher lock |
| 09/11/1991 | CN2084488U Anti-theft reinforced device for door lock |
| 09/04/1991 | EP0444412A2 Remote control system for locks |
| 09/04/1991 | CN2084084U High secret electromagnetic lock |
| 09/03/1991 | US5044184 Lock |
| 09/03/1991 | CA1288501C Anti-theft vehicle system |
| 08/29/1991 | DE4012408A1 Electronically self-latching cylinder lock |
| 08/28/1991 | CN2083615U Electronic mechanical puzzle safety lock |
| 08/27/1991 | US5043593 Optical theft deterrent system |
| 08/21/1991 | EP0442789A1 Remote control system, particularly to lock/unlock car doors |
| 08/21/1991 | EP0160093B1 Apparatus and method for a universal electronic locking system |
| 08/14/1991 | EP0441713A1 Remote control system, particularly to lock/unlock car doors |
| 08/14/1991 | EP0440974A1 Safety system for motor vehicles |
| 08/07/1991 | CN2082297U Electronic cipher device |
| 07/31/1991 | CN1053465A Numerical control cipher lock with single operating handle |
| 07/23/1991 | US5033282 Self-locking electronic lock |
| 07/17/1991 | EP0437101A1 Automobile anti-theft apparatus |
| 07/10/1991 | EP0435870A1 Electronic lock with manual combination override. |
| 07/04/1991 | DE3943049A1 Opto-electronic device releasing electrically-operated lock - includes electromagnet energisable only by photodetector of laser beam reflected from contour ground into correct key |
| 07/03/1991 | CN2080085U Mechanical electronic cipher lock |
| 06/19/1991 | EP0432392A1 Key operated lock |
| 06/16/1991 | CA2030266A1 Lock cylinder with signal transmission between the key and cylinder |
| 06/04/1991 | US5020345 Self-locking electronic lock |
| 05/29/1991 | CN2077892U Machinery-open type electronic cipher lock with thief-guarding against and alarming function |
| 05/28/1991 | US5019812 Electronic locking system |
| 05/22/1991 | CN1051604A Locking mechanism with actuator |
| 05/21/1991 | US5017851 Mechanical rotating combination lock opening device |