Abstract: A magnet assembly for a speaker device that includes a plate member with a plurality of cylindrical bores disposed within the plate member and contains an opening within an upper surface of the plate member. A plurality of cylindrical stands are positioned within each cylindrical bore and extending to a length within the cylindrical bore, leaving a void defined by the distance between an opening of the cylindrical bore to the stand. A plurality of cylindrical magnets are positioned within each cylindrical bore of the plate member and adjacent the stand within each cylindrical bore, wherein the magnets substantially occupy the void.

Abstract: A magnetic latching relay includes a base having a receiving chamber with a first sidewall extending in a longitudinal direction and a second sidewall extending in a transverse direction, and connected with the first sidewall; a coil assembly in the receiving chamber in the transverse direction and having a first end adjacent to the first sidewall; and a fixing frame on the base. The fixing frame has a first side close to the coil assembly, and is in sealed contact with the first end of the coil assembly, and a side of the fixing frame facing the first sidewall is in sealed contact with the first sidewall, forming a first glue dispensing port surrounded by the first sidewall, the second sidewall, the first end of the coil assembly, and the fixing frame.

Abstract: A switch arrangement has a vacuum switch device with a movable contact and a fixed contact. A magnet drive with at least one coil is configured, in the connected state, to exert an attractive force on an armature and to move it. A transmission mechanism is configured to convert a movement of the armature into a movement of the movable contact towards the fixed contact. A polarity reversal device is configured to reverse the polarity of a current flow through the at least one coil. There is also described a corresponding method.

Abstract: A haptic actuator includes a housing having a ferromagnetic wall. The ferromagnetic wall has a set of one or more half shear ferromagnetic features protruding from the ferromagnetic wall into the housing. A movable magnet is positioned within the housing. A pair of springs, respectively attached to opposite sides of the housing and opposite ends of the movable magnet, bias the movable magnet toward a position of rest between the pair of springs. An electric coil is attached to the set of one or more half shear ferromagnetic features and positioned between the movable magnet and the set of one or more half shear ferromagnetic features.

Abstract: A multi-coil voice coil motor (VCM) may be configured to be used as a haptic actuator for providing haptic feedback to a user. When implemented in a handheld controller having one or more controls, the multi-coil VCM may be configured to provide haptic feedback to a user of the controller. The multi-coil VCM may include a housing, multiple concentric coils, and a magnet coupled to the housing. The multiple concentric coils may include a first coil disposed on a first support coupled to the housing and a second coil disposed on a second support coupled to the housing, wherein the multiple concentric coils may have different diameters to allow for the concentricity of the coils. A system may include one or more haptic actuators, such as the multi-coil VCM, the haptic actuator(s) being configured to provide haptic feedback by causing at least a portion of a finger-operated control(s) to vibrate.

Abstract: A triboelectric film and its laminate that utilize a conductive primer are provided. The triboelectric effect is a type of contact electrification such that with a suitable configuration, a current may flow from one region to another. When decorative triboelectric films are touched, electrical charges are built up and the generated electrical charges between a human body and films flow through a conductive primer. This system based on the triboelectric effect and the conductive primer can provide electrical functions to decorative film products without there being any large changes.

Abstract: A circuit breaker device protects an electrical low-voltage current circuit. The level of a current of the low-voltage current circuit is ascertained periodically such that current values are provided incrementally. The level of the voltage of the low-voltage current circuit is ascertained periodically such that voltage values are provided incrementally. The change in the current is ascertained from the periodically ascertained current values over time such that current change values are provided incrementally, and a differential voltage is ascertained from the periodically ascertained voltage values and an expected value of the voltage such that differential voltage values are provided incrementally. Each current change value is compared with a second threshold, and each differential voltage value is compared with a first threshold. If the first and second thresholds are exceeded, an interruption of the current circuit is initiated by switching elements being set to a high-ohmic state.

Abstract: Embodiments provide a housing assembly including a housing having a plug-in side and enclosing an electromechanical component, the housing configured for mounting on a carrier, wherein the housing has a first assembly guide configured for engaging in a first plug-in slot guide arranged on the carrier, and wherein the plug-in side of the housing is guidable into a plugged-in position on the carrier by this engagement.

Abstract: There is provided electromagnetic actuator. The electromagnetic actuator comprises a mover, a tubular coil and a tubular coil holder. The mover has a magnet. The tubular coil holder holds the tubular coil. The tubular coil holder has a cylindrical inner space for receiving the mover. The tubular coil and the magnet are configured to cooperate with each other to generate a force to move the mover relative to the coil holder along an axial axis. The mover comprises a ferromagnetic element arranged to change an inductance of the tubular coil in dependency on a position of the mover relative to the tubular coil holder. Further, there is provided a valve for opening and closing a conduit. The valve comprises the electromagnetic actuator.

Abstract: An electromechanical system for an electrical switching device includes an energizing coil assembly having a first coil and a second coil each generating a magnetic field in response to an energizing current and a magnetic system providing a magnetic flux path passing along a plurality of magnetic flux lines of the magnetic field generated by the energizing coil assembly. The magnetic system includes a first pole member arranged on an upper side of the first coil, a second pole member arranged on an upper side of the second coil, and a rotation member arranged between the first pole member and the second pole member. The rotation member has a first lobe and a second lobe executing a rotation motion around a central axis. Magnetic field lines generated by the coils are directed toward the lobes and produce a resultant magnetic force that rotates the lobes toward the pole members.

Abstract: An operation mechanism includes a magnet; a first movable plate formed of a magnetic material and connected to one pole of the magnet; and a second movable plate formed of a magnetic material and connected to another pole of the magnet, wherein, while the first movable plate is not being operated, the second movable plate is at a return position that overlaps the first movable plate, and wherein, while the first movable plate is being operated, the first movable plate pushes down a middle portion of the second movable plate, such that the middle portion of the second movable plate remains in contact with the first movable plate and the second movable plate is tilted, so as to cause a free end of the second movable plate to be separated from the first movable plate.

Abstract: An electromagnetic relay includes a drive shaft, a drive device, a movable piece, a first fixed terminal, and a second fixed terminal. The drive shaft is movable in a moving direction. The drive shaft extends in the moving direction. The drive device moves the drive shaft in the moving direction. The movable piece includes a center portion connected to the drive shaft. The movable piece extends in a longitudinal direction. The first fixed terminal and the second fixed terminal face the movable piece. The movable piece includes a first contact portion and a second contact portion. The first contact portion contacts the first fixed terminal. The second contact portion contacts the second fixed terminal. The first contact portion is disposed eccentrically with respect to a center line of the movable piece. The center line of the movable piece extends in the longitudinal direction through the center portion.

Abstract: A worker is prevented from being hindered. A safety switch includes a switch body including an electromagnet and an actuator attracted to the electromagnet. The switch body includes a drive control unit and a safety control unit which control the safety switch, and the drive control unit and the safety control unit are surrounded by a housing. The housing is arranged on a back surface side of the electromagnet of the switch body, and the housing forms an accommodating portion that accommodates the drive control unit and the safety control unit.

Abstract: The present invention discloses a magnetic positioning holder for positioning a cylindrical storage container, comprising a main body and two magnetic strips. The main body features two guide surfaces on one side in the thickness direction, each adjacent to one of the sides of the main body, wherein each guide surface is concave toward the other side of the main body in the thickness direction to from an arc. Each magnetic strip is embedded in the main body and corresponds to each guide surface along the thickness direction of the main body. The distance between each magnetic strip and its corresponding guide surface, defined as the magnetic attraction distance, decreases from each width side toward the central part of the main body along the width direction. Thus, the storage container can be guided to move toward the central part of the main body in the width direction and positioned.

Abstract: A device is provided for the automated manufacture of screw connections. A jointed arm robot has an output element and an end link. The output element is arranged on the end link so as to be rotatable around an effector axis (wE). A screwdriving tool is rotatable around the effector axis (wE) by the output element. The device features at least one transmission operatively connected to the output element and the screwdriving tool, and transmits a speed between the output element and the screwdriving tool.

Abstract: An electromagnetic relay includes a case, a contact device, and an electromagnet device. The contact device includes a fixed contact and a movable contact piece including a movable contact. The electromagnet device is configured to drive the contact device. The electromagnet device is housed in the case. The electromagnet device includes a yoke. The yoke includes an extending portion extending to outside the case. The yoke is secured to the case via the extending portion.

Abstract: An electromagnetic relay includes a contact device; a driving device including a coil, a spool, and first and second yokes; and a coil terminal. The second yoke, which is attached to the first yoke, includes a first side portion, a second side portion, a center portion extending therebetween, and a notch. The center portion of the second yoke is disposed between the contact device and the spool. The notch is located in the first side portion of the second yoke, at a position closer to the contact device than to the portion of the first side portion in contact with the first yoke. The coil terminal extends out of the electromagnetic relay via the notch.

Abstract: Apparatus forming an arc-free hybrid relay having an air gap when in the off state. The apparatus comprises a first relay coupled to a second relay, and having a semiconductor switch arranged to temporarily shunt current around the second relay.

Abstract: To suppress an increase in DC resistance due to surface roughening in a coil component including a spiral pattern. A coil component manufacturing method includes: a first step of forming a conductor layer including a spiral pattern spirally wound in a plurality of turns; a second step of selectively roughening an upper surface and an upper region of a peripheral-direction side surface of the spiral pattern; and a third step of forming an insulating resin layer so as to embed therein the conductor layer, and the first to third steps are repeatedly performed. Since the upper surface and the upper region of the side surface of the spiral pattern are selectively roughened, it is possible to suppress an increase in DC resistance due to excessive roughening at the lower region of the side surface.

Abstract: Various implementations disclosed herein include a surface mountable haptic actuator that includes a housing defining an interior chamber and a movable magnetic weight structure suspended within the interior chamber by a flexible member. The surface mountable haptic actuator further includes a stationary conductive coil positioned within the interior chamber proximate the movable magnetic weight structure and a plurality of conductive terminals extending through the housing and in electrical contact with the conductive coil.