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.

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 safety switch includes a detection unit, an output unit, an input unit; and a display unit. The detection unit is configured to detect presence or absence of abnormality. The output unit is configured to output an abnormality detection signal indicating a detection result of the presence or absence of the abnormality. The input unit is configured to input a display control signal. The display unit is configured to perform display based on the display control signal.

A switching device includes: a header, a first magnet and a second magnet, a first magnetic sensing element and a second magnetic sensing element, a first inductor and a second inductor, a printed circuit board including an upper face on which are mounted upfront the first magnetic sensing element and the second magnetic sensing element and a lower face on which are mounted upfront the first inductor and the second inductor, a first microcontroller unit and a second microcontroller unit, wherein the first microcontroller unit and the second microcontroller unit are configured to send a stimulus signal respectively to the second conductor and to the first conductor, wherein the first microcontroller unit is configured to read a response produced by the first magnetic sensing element, the response corresponding to a magnetic field produced by the first inductor having received the stimulus signal sent by the second microcontroller unit, wherein the second microcontroller unit is configured to read a response produced by the second magnetic sensing element, the response corresponding to a magnetic field produced by the second inductor having received the stimulus signal sent by the first microcontroller unit, wherein the first microcontroller unit and the second microcontroller unit are configured to determine a state of the switching device based on the read responses.

A touch sensing module includes: a first sensing coil and a second sensing coil, each having inductance varying in response to an applied force touch; a first pad having capacitance varying in response to an applied contact touch, disposed closer to the second sensing coil than to the first sensing coil, and electrically connected to the first sensing coil to constitute a first resonance circuit; and a second pad having capacitance varying in response to the applied contact touch, disposed closer to the first sensing coil than to the second sensing coil, and electrically connected to the second sensing coil to constitute a second resonance circuit.

A key determination method for a metal key. The method comprises a step of determining whether values output by an electrical parameter converter on a metal key satisfy multiple levels of thresholds, and, a step of setting a press flag of the metal key according to multiple levels of thresholds; and after the metal key is released, determining whether a release flag is valid according to a press model, and if so, clearing the press flag that was previously set. Different press models and different thresholds are selected and configured by means of software, so that personalized choices are provided for respective metal keys, which effectively facilitates different operators in configuring a metal keyboard according to usage habits, thereby improving the operating efficiency. In addition, the setting of different thresholds effectively protects the operational details mean for the exclusive use of operators, thereby achieving the required confidentiality.

An inductive sensing-based user interface device which includes a conductive barrier with at least one aperture, a magnetic flux modifier attached to a rotary member on one side of the barrier and an inductive structure on an opposed side of the barrier aligned with the aperture, magnetically coupled to the flux modifier, wherein a change in sensed inductance is used to determine rotational input.

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 trigger assembly, for use with a power tool having an electric motor, includes a trigger, a conductor coupled for movement with the trigger, and a printed circuit board. The printed circuit board has an inductive sensor thereon responsive to relative movement between the conductor and the inductive sensor caused by movement of the trigger. An output of the inductive sensor is used to activate the electric motor.

An interactive control unit is disclosed. The interactive control unit includes an interactive touchscreen display, an interface configured to couple the control unit to a surgical hub, a processor, and a memory coupled to the processor. The memory stores instructions executable by the processor to receive input commands from the interactive touchscreen display located inside a sterile field and transmit the input commands to the surgical hub to control devices coupled to the surgical hub located outside the sterile field.