A wearable hearing device operatively coupled to an information handling system comprising a housing for a speaker and a microphone, a magnetic slider switch moveable with respect to the housing between a closed position and an open position in response to a user's external force, a rolling magnet rotating within the magnetic slider switch during movement between the open and closed positions, a bar magnet fixed within the housing having a first pole attracting the rolling magnet in the closed position and a second pole attracting the rolling magnet in the open position to reduce the external force required to move the magnetic slider switch, a hall effect sensor to sense a change in distance to the rolling magnet during movement between the open and closed positions, and to associate the change in distance with a command instruction, and a microcontroller to execute or transmit the command instruction.

A wearable hearing device operatively coupled to an information handling system comprising a housing for a speaker and a microphone, a magnetic slider switch moveable with respect to the housing between a closed position and an open position in response to a user's external force, a rolling magnet rotating within the magnetic slider switch during movement between the open and closed positions, a bar magnet fixed within the housing having a first pole attracting the rolling magnet in the closed position and a second pole attracting the rolling magnet in the open position to reduce the external force required to move the magnetic slider switch, a hall effect sensor to sense a change in distance to the rolling magnet during movement between the open and closed positions, and to associate the change in distance with a command instruction, and a microcontroller to execute or transmit the command instruction.

The invention relates to an apparatus for detecting a key press comprising a circuit substrate, a key module with a key cap and a movement mechanism, and a device for detecting the movement of the key cap, wherein the movement mechanism has at least one movement element wherein this device comprises an electrical resonance circuit with at least one capacitor and with a primary coil and comprises a secondary coil wherein the device for detecting the movement of the key cap comprises a measuring device for detecting and/or processing at least one physical variable of the electrical resonance circuit, which variable changes during the movement of the key cap, and outputs at least one electrical signal that is dependent on the change in the physical variable. The invention also relates to a keyboard comprising one or more such apparatuses and to a method for detecting a key press.

The invention relates to an apparatus for detecting a key press comprising a circuit substrate, a key module with a key cap and a movement mechanism, and a device for detecting the movement of the key cap, wherein the movement mechanism has at least one movement element wherein this device comprises an electrical resonance circuit with at least one capacitor and with a primary coil and comprises a secondary coil wherein the device for detecting the movement of the key cap comprises a measuring device for detecting and/or processing at least one physical variable of the electrical resonance circuit, which variable changes during the movement of the key cap, and outputs at least one electrical signal that is dependent on the change in the physical variable. The invention also relates to a keyboard comprising one or more such apparatuses and to a method for detecting a key press.

The invention relates to an apparatus for detecting a key press comprising a circuit substrate, to a key module with a key cap and a movement mechanism, and to a device for detecting the movement of the key cap, wherein this device comprises an electrical resonance circuit with a primary coil and a secondary coil with a short-circuited winding, which secondary coil is moved with the key cap, wherein the primary coil and the secondary coil are inductively coupled to one another, and the strength of the inductive coupling between the primary coil and secondary coil and thus at least one physical variable of the resonance circuit change during the movement of the key cap. The invention also relates to a keyboard comprising one or more such apparatuses and to a method for detecting a key press.

The invention relates to an apparatus for detecting a key press comprising a circuit substrate, to a key module with a key cap and a movement mechanism, and to a device for detecting the movement of the key cap, wherein this device comprises an electrical resonance circuit with a primary coil and a secondary coil with a short-circuited winding, which secondary coil is moved with the key cap, wherein the primary coil and the secondary coil are inductively coupled to one another, and the strength of the inductive coupling between the primary coil and secondary coil and thus at least one physical variable of the resonance circuit change during the movement of the key cap. The invention also relates to a keyboard comprising one or more such apparatuses and to a method for detecting a key press.

The invention relates to a switch (10), in particular as a steering column switch for arrangement on a steering column of a vehicle, with an actuable switch lever (12) which has along its longitudinal axis (14) a bearing element (16) with which the switch lever (12) is mounted movably in a bearing (20) of a base housing (18), a switching element (30) which is movement-coupled to the switch lever (12) and which is embodied with a contact-free signalling element (32), wherein the switch lever (12) can be activated on a first side (34) of the bearing element (16), the switching element (30) is arranged on a second side (36) of the bearing element (16), the switching element (30) is embodied as a reversing lever with a first and a second lever arm (40, 42), the reversing lever (30) is retained in the connection region (44) of the first and second lever arm (40, 42) in a reversing bearing (46) rotatably on the base housing (18), the signalling element (32) is arranged on the first lever arm (40), and the second lever arm (42) is coupled to the switch lever (12). The invention furthermore relates to a vehicle with an above switch (10).

A detection system is used in a musical keyboard instrument that includes a key, the displacement of which changes in accordance with a playing operation. The detection system includes a detectable portion configured to be disposed on the movable member and including a first coil; a signal generator including a second coil configured to be disposed spaced from the first coil and configured to, in a state where the second coil receives a supply of current: generate a magnetic field; and generate a detection signal with a level depending on a distance between the detectable portion and the second coil; and a magnetic body disposed on at least one of the movable member or the signal generator.

A sensing system for a keyboard. Each key sensor comprises passive and active resonant circuits. The passive resonant circuit has a resonant frequency and the active resonant circuit excites the passive resonant circuit at the resonant frequency. A sensor driver drives the active resonant circuit with an RF drive signal, a multiplexing system multiplexes the drive signal such that simultaneously driven key sensors are separated by at least (k−1) keys, and a detector detects a level of RF signal from a driven key sensor for sensing a position and/or velocity of a key.

A sensing system for a keyboard. Each key sensor comprises passive and active resonant circuits. The passive resonant circuit has a resonant frequency and the active resonant circuit excites the passive resonant circuit at the resonant frequency. A sensor driver drives the active resonant circuit with an RF drive signal, a multiplexing system multiplexes the drive signal such that simultaneously driven key sensors are separated by at least (k−1) keys, and a detector detects a level of RF signal from a driven key sensor for sensing a position and/or velocity of a key.