Abstract: A vehicle safety detecting ring includes a ring body, at lease one detector, a touching area and an alarm device. The ring body is configured to mounted on a steering wheel. The at least one detector is located inside the ring body and configured to detect information of driver. The touching area is connected with the at least one detector in the ring body to transmit the information of driver to the at least one detector. The alarm connects with the at least one detector and is configured to issue an alarm when the at least one detector detects an abnormal signal.

Abstract: A vehicle safety detecting ring includes a ring body, at lease one detector, a touching area and an alarm device. The ring body is configured to mounted on a steering wheel. The at least one detector is located inside the ring body and configured to detect information of driver. The touching area is connected with the at least one detector in the ring body to transmit the information of driver to the at least one detector. The alarm connects with the at least one detector and is configured to issue an alarm when the at least one detector detects an abnormal signal.

Abstract: A voice coil motor (VCM) includes a fastening portion, a moving portion, a magnet assembly, a coil, an elastic sheet, and glue. The lower plate seals the fastening portion. The lower plate includes a first surface and a second surface opposite to the first surface, the lower plate defines a through hole penetrating the first surface and the second surface, the low plate defines a first glue recess around the through hole and a second glue recess along an edge of the low plate in the first surface. The fastening portion is positioned on the first surface of the lower plate via glue received in the first glue recess.

Abstract: A voice coil motor (VCM) includes a fixing portion, a moving portion, a magnet assembly, a coil, and an elastic sheet. The fixing portion includes an upper plate and a sidewall extending from edges of the upper plate. The moving portion is received in the fixing portion, and includes a top surface and an outer surface connected to the top surface. The moving portion defines a plurality of glue receiving recesses in the top surface and a plurality of second connecting portions each extending from a bottom surface of each glue receiving recess. The magnet assembly is fixed on the inner surface. The coil is circled around the outer surface of the moving portion, and is opposite to the magnet assembly. The elastic sheet is connected between the first connecting portions and the second connecting portions.

Abstract: A lens driving system is configured for driving a lens to a focus position, and includes a control unit and a driving unit electrically connected to the control unit and coupled with the lens. The control unit acquires the focus position, calculates a main current value according to the focus position, and calculates a number of secondary current values according to the main current value. The secondary current values gradually increase to the main current value. The driving unit drives the lens to the focus position according to the secondary current values.

Abstract: A voice coil motor (VCM) includes a fixed assembly and a movable assembly. The fixed assembly includes a fixed bracket and a coil group. The fixed bracket is substantially tri-columnar in shape and includes three sidewalls supporting the coil group thereon, and defines a first receiving cavity between the three sidewalls. The coil group is arranged on the three sidewalls. The movable assembly includes a movable barrel movably received in the first receiving cavity, and a magnet group. The movable barrel is also substantially tri-columnar in shape and includes three external surfaces. The magnet group is arranged on the three external surfaces of the movable barrel and spatially opposite to the coil group.

Abstract: A voice coil motor (VCM) includes a fixing portion, a moving portion, a magnet assembly, a coil, and an elastic sheet. The fixing portion includes an upper plate and a sidewall extending from edges of the upper plate. The moving portion is received in the fixing portion, and includes a top surface and an outer surface connected to the top surface. The moving portion defines a plurality of glue receiving recesses in the top surface and a plurality of second connecting portions each extending from a bottom surface of each glue receiving recess. The magnet assembly is fixed on the inner surface. The coil is circled around the outer surface of the moving portion, and is opposite to the magnet assembly. The elastic sheet is connected between the first connecting portions and the second connecting portions.

Abstract: A voice coil motor (VCM) includes a fastening portion, a moving portion, a magnet assembly, a coil, an elastic sheet, and glue. The lower plate seals the fastening portion. The lower plate includes a first surface and a second surface opposite to the first surface, the lower plate defines a through hole penetrating the first surface and the second surface, the low plate defines a first glue recess around the through hole and a second glue recess along an edge of the low plate in the first surface. The fastening portion is positioned on the first surface of the lower plate via glue received in the first glue recess.

Abstract: A lens driving system is configured for driving a lens to a focus position, and includes a control unit and a driving unit electrically connected to the control unit and coupled with the lens. The control unit acquires the focus position, calculates a main current value according to the focus position, and calculates a number of secondary current values according to the main current value. The secondary current values gradually increase to the main current value. The driving unit drives the lens to the focus position according to the secondary current values.

Abstract: An auto-focus device includes a distance sensor, an actuator, a digital auto-focusing unit, and a controller. The distance sensor is configured for measure an object distance from an object to a lens module. The actuator is configured for drive the lens module to focus on an image sensor. The digital auto-focus unit is configured to process a blur image captured by the image sensor without focusing the lens module on the image sensor to get a sharp image. The controller is configured to activate the actuator when the object distance is shorter than a preset distance or otherwise activate the digital auto-focus unit.

Abstract: A spring plate includes a plate body having a through hole defined at the center, and a terminal perpendicularly extending from the plate body. The plate body includes an outer closed-loop frame, an inner closed-loop frame, and spring parts interconnected between the outer closed-loop frame and the inner closed-loop frame. The terminal has an end portion distal from the plate body with at least one through hole or a recess.

Abstract: A voice coil motor includes a stationary magnetic field generator having a supporting frame, a moveable magnetic field generator, a case and a double sided adhesive layer. The supporting frame defines a first receiving space receiving the moveable magnetic field generator. The moveable magnetic field generator defines a second receiving space. The case encloses the stationary magnetic field generator, the moveable magnetic field generator and the double sided adhesive layer and includes a bottom plate and side plates. The bottom plate includes a first surface and a second surface facing away the first surface. The side plates extend from the second surface. The bottom plate defines a through hole. A diameter of the through hole is smaller than that of the second receiving space. The double sided adhesive layer is entirely covering the second face.

Abstract: A spring plate includes a plate body having a through hole defined at the center thereof, and a terminal perpendicularly extending from the plate body. The plate body includes an outer closed-loop frame, an inner closed-loop frame, and spring parts interconnected between the outer closed-loop frame and the inner closed-loop frame. The terminal has an end portion distal from the plate body with at least one of a through hole and a recess therein.

Abstract: An image stabilization system includes a fixed unit having a first receiving cavity therein, a movable unit received in the first receiving cavity, a pivot member located between the fixed unit and the movable unit, a magnetic motion sensor, and a magnetic driving module. The pivot member is received in and between the fixed unit and the movable unit. The magnetic motion sensor is disposed on the fixed unit for detecting a movement of the image stabilization system. The magnetic driving module is configured for rotating the movable unit around the pivot member to compensate for movement of the image stabilization system based on the motion detection result of the motion sensor.

Abstract: A voice coil motor includes a stationary magnetic field generator having a supporting frame, a moveable magnetic field generator, a case and a double sided adhesive layer. The supporting frame defines a first receiving space receiving the moveable magnetic field generator. The moveable magnetic field generator defines a second receiving space. The case encloses the stationary magnetic field generator, the moveable magnetic field generator and the double sided adhesive layer and includes a bottom plate and side plates. The bottom plate includes a first surface and a second surface facing away the first surface. The side plates extend from the second surface. The bottom plate defines a through hole. A diameter of the through hole is smaller than that of the second receiving space. The double sided adhesive layer is entirely covering the second face.

Abstract: An image stabilizer includes a circuit board, a stationary member secured on the circuit board and defines a first receiving space and a first central axis, a moveable member received in the first receiving space, a driving assembly including a first magnetic member secured to the stationary member and a second magnetic member secured to the moveable member, a resilient assembly interconnecting the stationary member and the moveable member, and a photo-detector fixed on the circuit board and facing the moveable member. The driving assembly drives the moveable member to rotate about a first axis and a second axis relative to the stationary member through magnetic interaction between the first and second magnetic members. The resilient assembly counter-rotates the moveable member about the first axis and the second axis relative to the stationary member. The photo-detector detects vibration or movement of the moveable member relative to the stationary member.

Abstract: A voice coil motor (VCM) includes a fixed assembly and a movable assembly. The fixed assembly includes a fixed bracket and a coil group. The fixed bracket is substantially tri-columnar in shape and includes three sidewalls supporting the coil group thereon, and defines a first receiving cavity between the three sidewalls. The coil group is arranged on the three sidewalls. The movable assembly includes a movable barrel movably received in the first receiving cavity, and a magnet group. The movable barrel is also substantially tri-columnar in shape and includes three external surfaces. The magnet group is arranged on the three external surfaces of the movable barrel and spatially opposite to the coil group.

Abstract: A voice coil motor includes a stationary member, a moveable member, a base, and two guide posts. The stationary member includes a stationary frame and a number of magnets fixed on the stationary frame. The stationary frame defines a first receiving room. The moveable member is received in the first receiving room and includes a barrel holder and a coil. The barrel holder defines a second receiving room for receiving a lens barrel. The coil wraps around the barrel holder. Two through holes extend from a top surface to a bottom surface of the barrel holder. The base supports the stationary member and the moveable member. The guide posts are perpendicularly fixed on the base and pass through the through holes of the moveable member.

Abstract: An exemplary voice coil motor includes a movable unit, a fixed unit, and a resilient plate. The movable unit includes a hollow lens barrel for accommodating a number of lenses, and at least one fine pattern coil fixed on a sidewall of the lens barrel and configured for electrical connection to a power source. The fixed unit includes a hollow frame structured bracket and a number of magnets mounted on the bracket. The bracket accommodates the movable unit. The magnets surround and are spaced apart from the at least one fine pattern coil. The resilient plate is resiliently connected between the bracket and the lens barrel to hold the lens barrel on the bracket.

Abstract: A robotic arm position controlling device includes a number of gyroscope sensors, an A/D convertor electrically connected to the gyroscope sensors, a storage connected to the A/D convertor and a processor. The gyroscope sensors each is configured for detecting and measuring movements of an arm segment and generating an analog signal associated with the detected movement of the arm segment. The A/D convertor is configured to convert the analog signal to digital signal. The storage is configured to store the converted digital signal and position information associated with predetermined positions of the arm segments. The processor is configured to determine the position of each of the arm segments based upon the converted digital, and determine of the position of each of the arm segments is deviated from the corresponding predetermined position, and control the driving motors to move the deviated arm segment to the predetermined position.