Abstract: An electrical switch unit for use with a variable speed electrical device includes a housing for a pair of electrical switching contacts, and an actuator operably connected with one of those contacts. A signaling module is associated with the electrical switch unit, and has signaling circuitry for sensing the movement of the actuator and outputting a signaling module signal indicative of the sensed movement or position of the actuator. A power module with a power switching device controllably supplies power from the DC power source to the DC motor at a speed corresponding to the sensed movement or position of the actuator. A control module receives the signaling module signal, and outputs a control module signal to control the power module.

Abstract: The present invention relates to a linkage structure of a key switch. A second key and a fourth key share one bridge and are connected by a first connecting rod. When the second key or the fourth key is pressed down, the first connecting rod is pushed, so that a first bridge metal dome deforms and is connected to a common contact piece for conduction. A third key and a fifth key share one bridge and are connected by a second connecting. When the third key or the fifth key is pressed down, the second connecting rod is pushed, so that a second bridge metal dome deforms and is connected to the common contact piece for conduction. An input terminal is connected in series to a fuse, and the second key and the fourth key are connected in series to a diode so as to output a rectification half-wave.

Abstract: The present invention provides a motor encoder with a programmable and tactile feedback and an operation method thereof. The encoder includes: a rotary knob; a motor for providing virtual stopping, virtual termination and virtual elastic loading when the knob is turned, and generating a tactile feedback and resistance in different events; a position sensor for providing position information when the knob is started and in a movement process; a controller with a motor driver, wherein the controller is electrically connected with the motor and the position sensor respectively and used for obtaining a position feedback from the position sensor and driving the motor to form closed-loop torque feedback control; and an input interface electrically connected with the controller and used for inputting instruction information to the controller.

Abstract: The present invention relates to a linkage structure of a key switch. A second key and a fourth key share one bridge and are connected by a first connecting rod. When the second key or the fourth key is pressed down, the first connecting rod is pushed, so that a first bridge metal dome deforms and is connected to a common contact piece for conduction. A third key and a fifth key share one bridge and are connected by a second connecting. When the third key or the fifth key is pressed down, the second connecting rod is pushed, so that a second bridge metal dome deforms and is connected to the common contact piece for conduction. An input terminal is connected in series to a fuse, and the second key and the fourth key are connected in series to a diode so as to output a rectification half-wave.

Abstract: The present application provides an air purifier comprising a main body, wherein the main body comprises: a housing, wherein an interior of the housing is hollow, an air inlet is formed at one end of the housing, an air outlet is formed at the other end of the housing, and positions of the air inlet and the air outlet are interchangeable; a fan mounted in the housing and used for sucking outside air from one end of the housing or for sucking outside air from the other end of the housing; a photocatalyst member mounted in the housing; and ultraviolet light-emitting members mounted in the housing, so that ultraviolet light emitted by the ultraviolet light-emitting members can effectively irradiate the photocatalyst member.

Abstract: A control assembly for controlling a speed or torque of operation of an electric device includes a control assembly housing, a magnetic sensor, a magnetic element; and an actuator. The actuator moves relative to the control assembly and, responsive to that movement, the magnetic sensor and magnetic element are moved relative to each other between a first position and a second position so that the magnetic sensor senses a first magnetic field reading when in the first position and senses a second magnetic field reading when in the second position. A control module is operably connected to the magnetic sensor and configured for controlling the electric device, and a magnetic shielding element is positioned within the control assembly housing to alleviate a magnetic signal source external to the control assembly from interfering with the sensing by the magnetic sensor.

Abstract: A control knob for controlling operation of a machine, the control knob including: an attachment surface configured for attaching the control knob to a surface of the machine; a display member comprising an electronic display module disposed thereon; a motion sensor configured for sensing motion of the user's hand, said sensor being operably-connected to the display member such that, responsive to the motion sensor sensing motion of the user's hand, the display member is configured to switch operation from a sleep mode into an active mode; an operational mode display controller for controlling display of operational modes of the machine upon the electronic display module, said operational mode display controller being configured for rotational movement around the electronic display module amongst a plurality of rotational positions, said operational mode display controller being operably connected with the electronic display module such that, responsive to the rotational movement of the operational mode displ

Abstract: The present disclosure provides a switching device, which includes an electricity leading member, a power transmission member, and a conductive connecting member. The first end of the electricity leading member is configured to be electrically connected with the power supply terminal, and the second end of the electricity leading member is provided with a first contact portion; the power transmission member is provided with a second contact portion, and the second contact portion is configured to contact and be electrically connected with the first contact portion; one end of the conductive connecting member is connected with the electricity leading member, the other end is connected with the power transmission member, the electricity leading member is electrically connected with the power transmission member through the conductive connecting member.

Abstract: A control assembly for controlling a speed or torque of operation of an electric device includes a control assembly housing, a magnetic sensor, a magnetic element; and an actuator. The actuator moves relative to the control assembly and, responsive to that movement, the magnetic sensor and magnetic element are moved relative to each other between a first position and a second position so that the magnetic sensor senses a first magnetic field reading when in the first position and senses a second magnetic field reading when in the second position. A control module is operably connected to the magnetic sensor and configured for controlling the electric device, and a magnetic shielding element is positioned within the control assembly housing to alleviate a magnetic signal source external to the control assembly from interfering with the sensing by the magnetic sensor.

Abstract: A touch control human-machine interface for use in controlling operation of a machine, said interface including: an interface housing; a cover plate disposed on an outer-surface of the housing, said cover plate having a first electrically-conductive portion configured for touch interaction by a user's finger; a circuit assembly disposed within the housing, said circuit assembly including a circuit board having a second electrically-conductive portion and a light illumination module operably-connected thereto; a spacer element disposed between and separating the first conductive portion from the second conductive portion such that the first conductive portion, the second conductive portion and the spacer element are configured to form a capacitor device that is operably-connected with the circuit assembly; said first electrically-conductive portion being configured for deformation by the user's finger so as to cause a change in capacitance across the capacitor device, and whereby responsive to said change in c

Abstract: A control system for use in controlling operation of an electrical appliance, including: an electrical appliance housing having a control module; and a power source; a control knob including: an attachment element configured for releasably attaching the control knob to an outer surface of the housing; and an input/output module; a wireless power transfer system configured for wirelessly transferring power from the power source through the electrical appliance housing and to the input/output module for use in powering the input/output module; and a wireless control signaling module configured for wirelessly communicating a control signal from the control knob through the housing to the control module within the electrical appliance housing, said control signal received by the control module being indicative of an operational position/state of the control knob, and whereby said control module is configured for controlling operation of the electrical appliance by reference to the received wireless control signal

Abstract: A cooling system for use in cooling an electronics component within a housing of an electrical device, the cooling system including: a shape change device configured for variable arrangement between at least one of a first shape configuration and a second shape configuration; and a control module configured for communicating at least one control signal to the shape change device so as to control operation of the shape change device; wherein responsive to the at least one control signal being received by the shape change device from the control module, the shape change device is configured to be variably arranged between the first and second shape configurations whereby said variable arrangement of the shape change device between the first and the second shape configurations is configured to generate an airflow relative to the electronics component so as to effect cooling of the electronics component.

Abstract: A system for controlling operation of an electric device includes the electric device, at least one contactless sensor module connected to the electric device, and a wearable item equipped with a sensor-readable tag configured for contactless interaction with the contactless sensor of the electric device. The tag is configured for movement with the wearable item into a plurality of different positions relative to the contactless sensor, and the contactless sensor is configured to sense different sensor readings in response to movement of the tag into the plurality of different positions. The electric device is configured to enter a first operating mode in response to the contactless sensor sensing a first position of the tag, and to enter a second operating mode in response to the contactless sensor sensing a second position of the tag.

Abstract: A control stick includes a control portion, a first electrical contact portion and a second electrical contact portion. The control portion has plural first moving contact points, the first electrical contact portion has a control board and plural first static contact points corresponding to the first moving contact points respectively, and a gap exists between the first moving contact point and the respective first static contact point. The first static contact points are electrically connected with the control board. When the control portion swings towards one of the first moving contact points, the first moving contact point is contacted and conducted with the first static contact point. This control stick is capable of achieving the control of a multiple of variables to meet the requirements of controlling a multiple variable in some occasions.

Abstract: An electrical switch unit for use in controlling operation of an electrical device, the electrical switch unit including: an electrical switch unit housing for housing at least a pair of electrical switching contacts of the electrical switch unit, said electrical switch unit housing including a first housing member and a second housing member that are configured for attachment together at peripheral regions of the first and second housing members so as to cooperatively form an enclosed space for housing the pair of electrical switching contacts therein; an actuator member operably-connected with at least one of the pair of electrical switching contacts, the actuator being configured for movement relative inwardly and outwardly of an opening in the electrical switch unit housing so as to arrange the pair of electrical switching contacts into at least one of a closed configuration wherein power is able to be supplied from a power source to motor or other electrically-operable element of the electrical device vi

Abstract: A trigger assembly for an electrical device that includes a main body having a housing within which an electrical switch unit is disposed. The trigger assembly may include a trigger member having an engagement portion that is hingedly connected to the main body so that the trigger member is rotatable about a hinge relative to the main body. The trigger assembly may include an actuator member operably-connected to the trigger member that is movable between an OFF position and an ON position. The trigger assembly may include a lock-off mechanism including a lock-off member that is selectively operable to restrict movement of the trigger member towards the main body and to thereby restrict movement of the actuator member from the OFF position into the ON position, and, to not restrict movement of the trigger member toward the main body.

Abstract: A battery pack system for use in connecting a battery pack to a battery pack receiving member of a machine so that the battery pack is operable to supply a suitable amount of power to the machine for operation of the machine via an electrical circuit path that is configurable for electrically connecting the battery pack to the machine, the system including: a first electrical connector member disposed along a first region of the electrical circuit path; and a second electrical connector member; wherein, responsive to the battery pack being connected to the battery pack receiving member of the machine, the second electrical connector member is configured for movement relative to the first electrical connector member to cooperatively form a first configuration which electrically closes the electrical circuit path via which the suitable amount of power is able to be supplied from the battery pack to the machine; and wherein, responsive to the battery pack being disconnected from the battery pack receiving member

Abstract: An electrical switch unit for use with a variable speed electrical device includes a housing for a pair of electrical switching contacts, and an actuator operably connected with one of those contacts. A signaling module is associated with the electrical switch unit, and has signaling circuitry for sensing the movement of the actuator and outputting a signaling module signal indicative of the sensed movement or position of the actuator. A power module with a power switching device controllably supplies power from the DC power source to the DC motor at a speed corresponding to the sensed movement or position of the actuator. A control module receives the signaling module signal, and outputs a control module signal to control the power module.

Abstract: A trigger assembly for an electrical device that includes a main body having a housing within which an electrical switch unit is disposed. The trigger assembly may include a trigger member having an engagement portion that is hingedly connected to the main body so that the trigger member is rotatable about a hinge relative to the main body. The trigger assembly may include an actuator member operably-connected to the trigger member that is movable between an OFF position and an ON position. The trigger assembly may include a lock-off mechanism including a lock-off member that is selectively operable to restrict movement of the trigger member towards the main body and to thereby restrict movement of the actuator member from the OFF position into the ON position, and, to not restrict movement of the trigger member toward the main body.

Abstract: A control stick includes a control portion, a first electrical contact portion and a second electrical contact portion. The control portion has plural first moving contact points, the first electrical contact portion has a control board and plural first static contact points corresponding to the first moving contact points respectively, and a gap exists between the first moving contact point and the respective first static contact point. The first static contact points are electrically connected with the control board. When the control portion swings towards one of the first moving contact points, the first moving contact point is contacted and conducted with the first static contact point. This control stick is capable of achieving the control of a multiple of variables to meet the requirements of controlling a multiple variable in some occasions.