Actuators for rotating an optical-path-folding-element with two, first and second, degrees of freedom in an extended rotation range around two respective rotation axes, folded cameras including such actuators and dual-cameras including a folded camera as above together with an upright camera.

An electroacoustic diaphragm comprises a membrane, and an electrically conductive circuit carried by the membrane, such that a segment of the electrically conductive circuit is divided into two or more separate subcircuits. An electroacoustic transducer assembly comprises a frame, the novel diaphragm supported on the frame, and a magnetic element disposed adjacent the novel diaphragm whereby the transducer achieves uniform force distribution across the novel diaphragm. An audio device comprises a housing having an acoustic opening and the electroacoustic transducer including the novel diaphragm. Methods for constructing a transducer comprises determining the flux density of a magnetic field and configuring a diaphragm with separate subcircuits to correlate or inversely correlate to the flux density.

A linear motor actuated valve assembly in which a linear motor enables electrical actuation and control of intake and exhaust valves of an internal combustion engine.

The invention relates to an actuator assembly 20 for a textile machine 22, wherein: the actuator assembly comprises a plurality n of spools 24 distributed along depth d; the actuator assembly comprises a plurality n+1 of magnetic plates 26 distributed along depth d; the magnetic plates and the spools are alternated along depth d such that each spool is received between two adjacent magnetic plates; each magnetic plate comprises an upper permanent magnet 28 and a lower permanent magnet 30 having opposed orientation; the upper permanent magnets of all the magnetic plates have the same orientation; the lower permanent magnets of all the magnetic plates have the same orientation; each spool is movable along height h between an upper position and a lower position and vice versa.

An apparatus and method of making the apparatus, the apparatus including an optical component; an electromagnetic microactuator configured to deflect the optical component; and a substrate configured to support the electromagnetic microactuator, wherein in an undeflected state the electromagnetic microactuator is configured to support the optical component above a plane of the substrate, and wherein the electromagnetic microactuator is configured to deflect from the undeflected state, to deflect at least a portion of the optical component towards the plane of the substrate without the portion of the optical component intersecting the plane of the substrate.

A fluid flow control valve with swiveled & compensated stroke (100) comprising a solenoid coil assembly (60), a permanent magnet (181), a bridge mounted solenoid assembly (120), a compensated swivel fulcrum (150), a counterweight arrangement (160), and a base unit arrangement (180), wherein a slender cylindrical rod (70) of the compensated swiveled fulcrum (150) is non-rotatably trapped in a fulcrum receptacle (33) of a bridge (30), a compensating spring (85) continuously presses a pair of the plurality of spherical balls (80) against a conical surface (72) of the lender cylindrical rod (70), the bridge mounted solenoid assembly (120) swivels around an axis (121), an electric supply impressed at the electrical terminals of the solenoid coil assembly (60) generates a magnetic field and the solenoid coil assembly (60) moves in an arc (61), the swiveled valve with the compensated precision stroke (100) is mountable in any orientation. Such a valve is a small pre-stage valve with a sub-millimeter stroke, to a big valve of high energy.

A breathing assistance device includes a gas regulating valve. The gas regulating valve is operated by a linear actuator. The linear actuator may include a movable member that moves an obstruction member between an open position and a closed position. The linear actuator is isolated from a gas flow path through the valve.

An active vibration isolation system with a magnetic actuator where the magnetic actuator includes a coil carrier with at least one coil which engages in a magnetic actuator without touching it so that it takes the form of a linear motor. The magnetic actuator has a magnetic shield with an opening through which the coil carrier extends into the magnet carrier.

The present disclosure is of a sensing mechanism for sensing rotation movement around a rotation axis, including: a magnet; and a magnetic sensor configured to detect a magnetic flux of the magnet and to determine a relative shift between the magnet and the magnetic sensor based on change in the detected magnetic flux, wherein the magnet is shaped such that a cross section of the magnet has a width that increases from a point substantially at a center of the magnet towards each end of the magnet, thereby increasing a range of detectable change in the magnetic flux and increasing a corresponding detectable range of the relative shift between the magnet and the magnetic sensor.

An embodiment of the present invention relates to a lens driving device comprising: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; and a first magnet disposed opposite to the coil in the housing, wherein: the first magnet comprises an inner surface facing the coil, and an outer surface disposed at the opposite side to the inner surface; and the first magnet comprises a first region provided between the inner surface and the outer surface and having a first thickness, and a second region extending from the first region and having a second thickness which is smaller than the first thickness.