E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
342/11.1
E05B 47/00 (2006.01) E05B 47/02 (2006.01) G07C 9/00 (2006.01) E05B 47/06 (2006.01)
Patent
CA 1216344
ABSTRACT Magnetic-electronic system for opening and closing locks, characterised in that the opening code of the lock is incorporated in a key capable of sensitiz- ing means for detecting said code which is connected to the electronic circuit provided with means for interpret- ing the code and means for activating the electromechani- cal blocking/unblocking elements of the lock, the opening code being formed of the association of a series of crene- lates-openings made in a metal sheet having temporary, not permanent, magnetizing properties, which absorbs or deviates the magnetic field, which sheet is incorporated in the laminar prolongation constituting the key and is covered by an enclosing protector lacking magnetic pro- perties, the means for detecting the code being incorporat- ed in a prismatic casing provided in the lock, which cas- ing has a hole and a penetration passage, depending on the structure of the key, a permanent magnet is disposed in said passage while an alignment of magnetic detectors embedded in a support is disposed therebelow, which are connected by a printed circuit through connectors and a multicable conductor, to the electronic circuit which comprises as the main active element a microprocessor provided with a functioning program controlled by a deci- sion logic which proportions it with the operative posi- tion of a plurality of microswitches, coincident in num- ber with the magnetic detectors, the microprocessor con- trolling the actuation of a power step provided as means for electrically feeding the blocking/unblocking elements of the lock.
449533
Marks & Clerk
Naveda Mariano Gomez-Olea
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