An inductive sensor assembly is used for detecting a change in position of an actuating element. The sensor assembly has: an LC resonant circuit having an inductive element (L) and a capacitive element (C); an excitation supply which is coupled to the LC resonant circuit in order to excite the LC resonant circuit with an excitation voltage (U); a decoupling element arranged between the excitation supply and the LC resonant circuit; and, an evaluation arrangement for evaluating the signal decreasing across the resonant circuit. An actuating assembly is also provided.

An electrical contactless switch that includes a housing, a moveable element and a magnetic field sensor. The moveable element is made of a ferromagnetic material and is slidably mounted in the housing. The moveable element is adapted to move relative to the housing between a resting position and an engaged position, the moveable element is elastically biased towards the resting position. The moveable element includes a plurality of magnetized legs spaced from each other and at least part of the magnetized legs is slidably guided in the housing. The magnetic field sensor is secured to the housing and positioned to face the plurality of magnetized legs. The magnetic sensor is configured to detect a magnetic field generated by the magnetized legs as the moveable element is in the engaged position. The moveable element is closer to the magnetic field sensor in the engaged position than in the resting position

The utility model discloses a combined dual-conductive key switch comprising a base, a cover arranged above the base and a conductive core, wherein it further comprises a light-conducting component and an inductive switch which are electrically connected to a PCB respectively; and a light-blocking protrusion corresponding to the light-conducting component and a magnet corresponding to the inductive switch are respectively arranged on the conductive core; and the light-blocking protrusion triggers a conduction stroke of conducting the light-conducting component, which is different from a conduction stroke of conducting the inductive switch triggered by the magnet. According to the utility model, the combined dual-conductive key switch is provided for achieving dual-conductive functions of pressing once and performing two actions for a product, which gives more functions to the key switch and provides better user experience.

A control device includes a moving portion, a magnetic element coupled to the moving portion, at least one magnetic sensing circuit responsive to magnetic fields, and at least one magnetic flux pipe structure. The magnetic element may comprise alternating positive and negative sections configured to generate a magnetic field. The magnetic element may be any shape, such as circular, linear, etc. The magnetic sensing circuit may be radially offset from the magnetic element, and the magnetic flux pipe structure may be configured to conduct the magnetic field generated by the magnetic element towards the magnetic sensing circuit. The magnetic element may generate the magnetic field in a first plane, and the magnetic sensing may be responsive to magnetic fields in a second direction that is angularly offset from the first plane. The magnetic flux pipe structure may redirect the magnetic field towards the magnetic sensing circuit in the second direction.

A control device includes a moving portion, a magnetic element coupled to the moving portion, at least one magnetic sensing circuit responsive to magnetic fields, and at least one magnetic flux pipe structure. The magnetic element may comprise alternating positive and negative sections configured to generate a magnetic field. The magnetic element may be any shape, such as circular, linear, etc. The magnetic sensing circuit may be radially offset from the magnetic element, and the magnetic flux pipe structure may be configured to conduct the magnetic field generated by the magnetic element towards the magnetic sensing circuit. The magnetic element may generate the magnetic field in a first plane, and the magnetic sensing may be responsive to magnetic fields in a second direction that is angularly offset from the first plane. The magnetic flux pipe structure may redirect the magnetic field towards the magnetic sensing circuit in the second direction.

A control device includes a moving portion, a magnetic element coupled to the moving portion, at least one magnetic sensing circuit responsive to magnetic fields, and at least one magnetic flux pipe structure. The magnetic element may comprise alternating positive and negative sections configured to generate a magnetic field. The magnetic element may be any shape, such as circular, linear, etc. The magnetic sensing circuit may be radially offset from the magnetic element, and the magnetic flux pipe structure may be configured to conduct the magnetic field generated by the magnetic element towards the magnetic sensing circuit. The magnetic element may generate the magnetic field in a first plane, and the magnetic sensing may be responsive to magnetic fields in a second direction that is angularly offset from the first plane. The magnetic flux pipe structure may redirect the magnetic field towards the magnetic sensing circuit in the second direction.

A remote control having at least one multifunction button, to which force is applied in one direction by magnets and counter-magnets or mechanical springs, and to which journals with thickened heads are attached, wherein the thickened heads through interaction with bearing shells of a supporting plate serve as centering, guide, and movement stop of the multifunction button.

A switching device including: a housing; a moveable element made of a header, a first magnet and a second magnet and slidably mounted in the housing, the moveable element being adapted to move relative to the housing between a released position and an engaged position; and a printed circuit board including a microcontroller and an upper face on which are mounted upfront a first magnetic sensing element and a second magnetic sensing element positioned to face the first magnet and the second magnet, wherein the first magnetic sensing element and the second magnetic sensing element are configured to detect respectively a first magnetic field and a second magnetic field generated respectively by the first magnet and the second magnet, wherein the moveable element is closer to the first magnetic sensing element and the second magnetic sensing element in the engaged position than in the resting position, wherein the pole configuration of the first magnet is opposed to the pole configuration of the second magnet and the first magnetic field generated by the first magnet is reversed and equal in magnitude with respect to the second magnetic field generated by the second magnet, wherein the first magnetic sensing element and the second magnetic sensing element are able to produce respectively a first output signal and a second output signal from the first magnetic field and the second magnetic field, wherein the microcontroller is able to validate a reliable position of the moveable element: if the first output signal is included in a first range of values and if the second output signal is included in a second range of values, and if the sum of the first output signal and the second output signal is substantially equal to a predefined value derived from the difference between the magnitude of the first magnetic field and the magnitude of the second magnetic field.

A control wheel includes a casing, a wheel ring, a first magnetic element, a pivotal shaft and a second magnetic element. The casing includes an accommodation structure and a concave structure. The accommodation structure includes a base. The wheel ring is disposed within the accommodation structure. The wheel ring is exposed outside through the accommodation structure and the concave structure. The pivotal shaft is disposed within the wheel ring and connected with the base of the accommodation structure. The wheel ring is rotatable relative to the pivotal shaft. The first magnetic element is disposed within the wheel ring. The second magnetic element is disposed within the base of the accommodation structure. The first magnetic element of the wheel ring and the second magnetic element are magnetically attracted by each other. Consequently, a rotating speed of the wheel ring is decreased.

A control wheel includes a casing, a wheel ring, a first magnetic element, a pivotal shaft and a second magnetic element. The casing includes an accommodation structure and a concave structure. The accommodation structure includes a base. The wheel ring is disposed within the accommodation structure. The wheel ring is exposed outside through the accommodation structure and the concave structure. The pivotal shaft is disposed within the wheel ring and connected with the base of the accommodation structure. The wheel ring is rotatable relative to the pivotal shaft. The first magnetic element is disposed within the wheel ring. The second magnetic element is disposed within the base of the accommodation structure. The first magnetic element of the wheel ring and the second magnetic element are magnetically attracted by each other. Consequently, a rotating speed of the wheel ring is decreased.