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