Abstract: A resonant vibration actuator includes a casing, a mover, a plurality of electromagnet sets, two elastic suspensions, and a connecting circuit. The casing is provided with connection terminals for connection on the outside of the casing. The mover has a mover frame, a plurality of permanent magnet units, and two magnetic backs. The permanent magnet units and the magnetic backs are arranged in the mover frame and the electromagnet sets are arranged between the permanent magnet units. Elastic suspensions are connected to the casing and the mover respectively through two connection portions at both ends. The connecting circuit is used to connect the electromagnet sets and the connection terminals outside the casing. By energizing the electromagnet sets, the electromagnet sets act on the permanent magnet units to make the mover move relatively in the casing to generate vibration.

Abstract: A vibration feedback device and control method thereof are provided. The vibration feedback device includes a substrate, a frame and a plurality of displacement restoration devices; one end of each displacement restoration device is connected to the frame, and the other end is connected to the substrate; one side of the substrate is the user operation surface, and the other side includes at least one driving coil, at least one induction coil, a controller and a driver; the frame also includes a first magnet set corresponding to the driving coil and a second magnet set corresponding to the induction coil; the controller processes the signal obtained by the induction coil to drive the vibration feedback device to achieve a reliable vibration suppression effect.

Abstract: A force sensing module with vibration feedback is disclosed, comprising: a substrate, a frame and a plurality of magnetic sensors; the substrate is disposed with at least one tactile actuator, and the substrate has a touch operation surface and a mounting surface on opposite sides, the tactile actuator is mounted on the mounting surface; the frame is disposed with at least three buffer spacers, the buffer spacers connect the frame to the substrate; the magnetic sensor includes a magnet and a Hall element, one of the magnet and the Hall element is disposed on the frame, and the other is disposed on the substrate; thereby when a force is applied on the touch operation surface to make the substrate generate an offset, the Hall element outputs a force signal due to the voltage change caused by the approaching magnet, and the signal drives the tactile actuator to generate a vibration feedback.

Abstract: A slim type tactile feedback device is disclosed, including: a substrate, at least an overlapping plate, a support frame, a plurality of cushions and a vibration source; the overlapping plate being fixed to the substrate in a cantilever manner; the support frame including a frame, a void area, and at least a protruding support, the protruding support being a partial segment of the frame; the cushions being fixed between the substrate and the frame; the vibration source including a magnet set and a coil set, the magnet set and the coil set being fixed between the protruding support and the overlapping plate and located at outer side the substrate; the coil set and the magnet set being positioned correspondingly to each other and separated by a gap, the gap increasing when the substrate being pressed by finger, and the substrate moving back-and-forth through linkage motion of the vibration source.

Abstract: A linear vibration actuator motor comprises a housing, a coil, a conductive sheet, a bracket, a magnet assembly and two elastic members. The coil is fixed to the bottom wall of the housing. The conductive sheet is fixed to the top wall of the housing and is located above the coil. The bracket is disposed in an accommodating space of the housing, forming framed space, and located above the coil and below the conductive sheet. The magnet assembly is disposed in the framed space above the coil and directly below the conductive sheet. The two elastic members are respectively located between two ends of the bracket and the inner side of two side walls of the housing. Thereby, the invention utilizes the induced current to provide resistance to achieve the damping effect against the motion of the assembly of the bracket and the magnet set with respect to conductive sheet.

Abstract: A linear vibration motor is disclosed, including: a movable part, a suspension device, and a fixed part; wherein the movable part includes at least one magnet set, and the fixed part at least includes a coil, at least one magnetically conductive element and a housing; the magnet set and the coil and the magnetically conductive element of the fixed part are arranged with a gap. The magnetically conductive element is located above, below, or both above and below the magnet set; the suspension device includes two stripe springs, respectively located on both sides of the movable part, with one side of each stripe spring connected to the movable part, and the other side connected to the fixed part. When not actuated, the suspension device is a straight full-length stripe without bending at the connections at both ends.

Abstract: A method and structure for compensating tolerances in assembling modules are provided. The method applies to a pressing fixture and a module with a baseline reference plane and an assembly baseline plane. The assembly baseline plane has at least three compensation baseline bumps, having the height greater than the compensation amount. The pressing fixture has a calibration reference plane. The method comprises: adjusting the position of the module or the pressing fixture to make the baseline reference plane parallel to the calibration reference plane; the pressing fixture using the calibration reference plane to press on the compensation baseline bumps, and changing the position of bump top of each compensation baseline bump; removing the pressing fixture from the compensation baseline bumps, and the plurality of the bump tops forming a preliminary baseline plane, and the preliminary baseline plane being parallel to the baseline reference plane.

Abstract: A linear vibration motor includes a fixed portion, a movable portion, and a suspension portion; the fixed portion further includes an outer frame, a coil set, a conductive sheet set, a connecting circuit and a terminal; the movable portion includes a bracket, a primary magnet set, at least a secondary magnet set; the suspension portion includes a pair of elastic members connected to the fixed portion and the movable portion, and provides a restoring force when the movable portion is displaced; the coil set and the primary magnet set provide a driving force to drive the movable portion to generate vibration; the conductive sheet set and the secondary magnet set provide damping when the movable portion moves.

Abstract: The invention discloses a control system for LRA, applicable to an LRA having a speed sensing coil. The control system comprises a signal amplifier, an excitation device, a flow controller, a processing unit, and a driver. The processing unit is connected to the signal amplifier, the excitation device and the flow controller, so as to stop output, output the excitation signal as a driving signal or process the induction signal from the signal amplifier into an appropriate system damping coefficient and output as a driving signal when the flow controller outputs a stop, excitation or braking state signal, respectively.

Abstract: The invention discloses a control system and a vibration control method for an LRA. The vibration control method comprises: providing an induction coil, the arrangement and the winding of the induction coil able to obtain an inductive voltage proportional to LRA vibration speed; generating a vibration signal according to inductive voltage and feeding back to a driver connected to the LRA to control the vibration of LRA; wherein the generated vibration signal satisfying the following: when induction voltage is lower than a low-speed threshold, the vibration signal causes the driver to apply a driving force in the same direction; when induction voltage is higher than a high-speed threshold, the vibration signal causes the driver to apply a driving force in the opposite direction; when induction voltage is between the low-speed threshold and the high-speed threshold, the vibration signal does not force the driver to apply force.

Abstract: A dual diamagnetic linear resonant actuator includes a magnetic induction element, a magnet set and a coil. The magnet set comprises four magnets. The N pole of first magnet, the N pole of second magnet, the S pole of third magnet and the S pole of fourth magnet press respectively against the first, second, third and fourth sides of the magnet induction element. The coil surrounds the magnetic induction element and the third and fourth magnets, and maintains a distance from the first end and the second end of the magnetic induction element, and from the N pole of the third and fourth magnets. As such, the first and second magnets compress magnetic field lines, and the third and fourth magnets strengthen the magnetic force, and guide the magnetic field lines towards the coil to accomplish concentration of magnetic field density and to avoid divergence of the magnetic field lines.

Abstract: A linear vibration actuator is provided, comprising a movable structure, a coil and an elastic suspension system. The elastic suspension system comprises a first and a second elastic sheets, and the first and second elastic sheet respectively comprising a first and a second fixed portions, a first and a second suspension portions, and a first and a second engaging portions. Both first and second suspension portions comprise a bend with an angle greater than 90°. The elastic suspension system enables the simple harmonic motion of the movable structure approximating a parallel motion to improve vibration effect without increasing current outputted to the coil, so as to reduce temperature and power consumption of the present invention. As a result, the present invention is able to provide superior vibration effect to portable electronic product and solve the overheating and power consumption problems.

Abstract: A resettable linear resonant actuator is disclosed, including: a magnet set, a coil and a first magnetic induction element. The magnet set includes first and second magnets. The first side of first magnet contacts the second side of second magnet. The top and bottom surfaces of first and second magnets are at the same level respectively. The first magnet has N pole at top surface and S pole at bottom, while the second magnet has the opposite. The first coil is disposed above or below magnet set and corresponds to contact between the first magnet and second magnet. The first magnetic induction element is disposed at first coil and corresponds to the contact between first magnet and second magnet. With electricity running in first coil, the movable part executes simple harmonic motion by Lorentz force, with electricity off, the movable part returns to the original point by restoration force.

Abstract: A resettable dual diamagnetic linear resonant actuator is disclosed, comprising: a first and a second magnetic induction element, a magnet set and a coil. The magnet set comprises four magnets. The N pole of first magnet, the N pole of second magnet, the S pole of third magnet and the S pole of fourth magnet press respectively against the first, second, third and fourth side of the first magnet induction element. The coil surrounds the first magnetic induction element, the third and fourth magnets, and maintains a distance from the first end and the second end of the first magnetic induction element, and from the N pole of the third and fourth magnets. As such, the movable part formed by the first and second magnetic induction elements and the magnet set can return to original position by magnetic restoration force after cutting electricity off from the coil.

Abstract: A dual diamagnetic linear resonant actuator with magnetic roller-balls is disclosed, comprising: a first magnetic induction element, a magnet set, a coil, an inner and an outer sliding track sets. The magnet set comprises four magnets. The N poles of first and second magnets, S poles of third and fourth magnets press respectively against the first, second, third and fourth side of the first magnet induction element. The inner sliding track set includes base bodies, disposed at first and second magnets and forming inner side tracks, and magnetic roller-balls, disposed at inner side tracks with center aligned with S pole of first and second magnets. The outer sliding track set includes outer side tracks, with the coil fixed to the outer side tracks, which contact the magnetic roller-balls. As such, the friction of the magnetic roller-balls with the inner and outer side tracks improves the steady state response efficiency.

Abstract: A dual diamagnetic linear resonant actuator is disclosed, comprising: a magnetic induction element, a magnet set and a coil. The magnet set comprises four magnets. The N pole of first magnet, the N pole of second magnet, the S pole of third magnet and the S pole of fourth magnet press respectively against the first, second, third and fourth side of the magnet induction element. The coil surrounds the magnetic induction element, the third and fourth magnets, and maintains a distance from the first end and the second end of the magnetic induction element, and from the N pole of the third and fourth magnets. As such, the first and second magnets compress magnetic field line, and the third and fourth magnets strengthen the magnetic force, and guide the magnetic field lines towards the coil to accomplish concentrating magnetic field density and to avoid the magnetic field lines divergence.

Abstract: An image-capturing apparatus is disclosed, including a lens driver module and a sensor module; wherein the lens driver module includes a lens housing chamber and a female engagement base, the lens housing chamber being for housing a lens, and the female engagement base being located inside the lens driver module; the sensor module includes a sensor and a male engagement base; the female engagement base being disposed on the male engagement base; and an optical calibration facility being used to adjust the lens driver module; when an optical axis of the lens driver module is parallel to a sensor optical axis of the sensor module, a glue is applied to fasten the lens driver module and the sensor module so that the female engagement base and the male engagement base do not move with respect to each other.

Abstract: According to an exemplary embodiment, a linear resonant actuator includes A linear vibration actuator comprises a movable element group, a coil, a pair of elastic member, and a base. The movable element group further includes a yoke and a pair of magnet set, with same magnetic poles of the pair of magnet set disposed on two corresponding sides of the yoke. A movable portion connecting end of the elastic member is connected to the magnet set, a fixed end of the elastic member is fixed to a base. The coil is disposed on periphery of said yoke, and the coil is fixed to the base. When a continuous alternating current is applied on the coil, the movable element group is enabled to produce a simple harmonic motion.

Abstract: An optical image stabilization actuator module includes a base, a ball holder, a plurality of balls, a plurality of coils, a plurality of yokes, and a plurality of magnets. The base is disposed with a plurality of ball support pillars; the ball holder is disposed with a plurality of ball housing spaces; the ball holder is disposed on top of the base. The balls are disposed between the ball support pillars and the ball housing spaces. The coils are fixed to the base, the yokes are fixed to the base, and the magnets are fixed to the surroundings of the ball holder. When a continuous current is applied to the coils, a magnetic force is generated by the coils. The interaction among the magnetic force, the yokes and the magnets enables the ball holder and the lens carrier to move in two degrees of freedom.

Abstract: According to one exemplary embodiment, a method for adjusting-free automatic focus includes: mounting a lens in a lens holder seat with an adhesion scheme; setting focus position of a scene of infinity distance located on a back plane passing through a sensor integrated circuits; and moving the lens a travel distance toward a scene, wherein an image of the scene focuses on a front plane of the sensor integrated circuits.