Manipulationproof electromagnet arrangement, an electronic locking cylinder and a method for preventing manipulation of an electromagnet arrangment
First Claim
1. A manipulationproof electromagnet arrangement for operating a switching device, in particular a coupling in an electronic locking cylinder, having an electromagnet which has at least one coil and one armature which can be moved by means of the coil from a rest position in an axial direction to a switching position, with the electromagnet arrangement having magnetic security means which respond to an external magnetic field, which originates from a manipulation location outside the electromagnet arrangement, such that any movement of the armature to the switching position is constrained, wherein the magnetic security means are arranged in a region between that end of the armature which faces the switching position in the rest position, and the manipulation location.
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Accused Products
Abstract
A manipulationproof electromagnet arrangement for operating a switching device, in particular a coupling in an electronic locking cylinder, having an electromagnet which has at least one coil and one armature which can be moved by means of the coil from a rest position in an axial direction to a switching position, with the electromagnet arrangement having magnetic security means which respond to an external magnetic field, which originates from a manipulation location outside the electromagnet arrangement, such that any movement of the armature to the switching position is constrained, wherein the magnetic security means are arranged in a region between that end of the armature which faces the switching position in the rest position, and the manipulation location.
30 Citations
14 Claims
- 1. A manipulationproof electromagnet arrangement for operating a switching device, in particular a coupling in an electronic locking cylinder, having an electromagnet which has at least one coil and one armature which can be moved by means of the coil from a rest position in an axial direction to a switching position, with the electromagnet arrangement having magnetic security means which respond to an external magnetic field, which originates from a manipulation location outside the electromagnet arrangement, such that any movement of the armature to the switching position is constrained, wherein the magnetic security means are arranged in a region between that end of the armature which faces the switching position in the rest position, and the manipulation location.
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13. An electronic locking cylinder having a coupling for coupling a locking bit to a shaft, and having an electromagnet arrangement for operating the coupling, wherein the electromagnet arrangement is a manipulation proof electromagnet arrangement for operating said coupling, having an electromagnet, which has at least one coil and one armature which can be moved by means of the coil from a rest position in an axial direction to a switching position, with the electromagnet arrangement having magnetic security means which respond to an external magnetic field, which originates from a manipulation location outside the electromagnet arrangement, such that any movement of the armature to the switching position is constrained, wherein the magnetic security means are arranged in a region between that end of the armature which faces the switching position in the rest position, and the manipulation location.
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14. A method for preventing manipulation of an electromagnet arrangement which contains an electromagnet which has at least one coil and one armature which can be moved by means of the coil from a rest position in an axial direction to a switching position, with the electromagnet arrangement having magnetic security means between that end of the armature which faces the switching position in the rest position and a manipulation location, which security means respond to an external, magnetic field which originates from the manipulation location outside the electromagnet arrangement, such that any movement of the armature to the switching position is constrained.
Specification