Abstract: A lens drive device may include a support body, a movable body having a lens, a magnetic drive mechanism for magnetically driving the movable body in a lens optical axis direction, and a spring member connected between the support body and the movable body. The magnetic drive mechanism includes a coil held by the movable body and both end parts of the coil are electrically connected to different spring pieces of the spring member through terminals. The support body includes an insulation member which holds the terminals, and each of the terminals includes an outside connecting terminal part which is located on an outer side of the insulation member, and a long elongated connecting part which is extended along an inner wall of the insulation member from the outside connecting terminal part and connected with the spring piece of the spring member.

Abstract: A magnetic device may include a coil wound body having a first coil winding face and a second coil winding face in an axial direction, a coil wound around the first coil winding face and the second coil winding face, and a coil winding start part and a coil winding end part arranged on an opposite side to the second coil winding face with respect to the first coil winding face. The coil is wound around the first coil winding face by an odd number of layer(s) from the winding start part and then the coil is wound around the second coil winding face by an even number of layers in a reverse direction to the first coil winding face, and then the coil is wound around the first coil winding face by an odd number of layer(s) in a reverse direction to the second coil winding face. The magnetic device may be used in a lens drive device in which the coil wound body is a movable body having a lens.

Abstract: A lens driving apparatus is disclosed. The lends driving apparatus may include a movable body holding lenses, a fixed body in which the movable body is mounted and movably along the lens optical axis direction, and a drive mechanism that moves the movable body in the lens optical axis direction. The drive mechanism may be equipped with a coil that is held by the movable body or the fixed body, a magnet that is held by the other body of the movable body and the fixed body, and a regulatory means that regulates the movement of the movable body which is induced by an electromagnetic force generated when current is passed through the coil. The coil may be opposed to the magnet in the lens optical direction.

Abstract: In the lens driving apparatus having a sleeve, a support body (such as a yoke) that supports the sleeve via a spring member), coils attached to the sleeve, and magnets attached to the support body, the support body is provided with a yoke and a cover portion, the yoke being formed with a light-entrance window for collecting light reflected from a subject and the cover portion being attached to the inside of the light-entrance window; the cover portion, the spring member, and the magnets are arranged so that they are layered in this order from the light-entrance window, and the cover portion is formed of a non-magnetic material.

Abstract: A lens driving apparatus and method may include a movable body holding lenses; a fixed body for supporting the movable body via a spring member to move in the optical axis direction; and a magnetic drive mechanism which has coils held by the movable body and which drives said movable body in the optical axis direction. Additionally, the spring member may be configured with a plurality of spring pieces which are electrically divided at one location in the optical axis direction, and a plurality of coil end portions pulled out from the coils are respectively and electrically connected to different spring pieces of a plurality of spring pieces from each other.

Abstract: A lens drive device may include a movable body, a support body supporting the movable body through a spring member, and a magnetic drive mechanism provided with a coil. The movable body includes a coil winding part, end parts for restricting a range of the coil winding part, and a changing part for changing a drawing direction of the coil. The spring member is disposed near the other end part of the movable body and electrically connected with winding start and winding end of the coil. A coil winding method for the lens drive device may include a drawing step in which a coil is drawn between end parts, a changing step in which a drawing direction of the coil is changed by the changing part, and a winding step in which the coil is wound around the coil winding part.

Abstract: A lens drive device may include a movable body movable in an optical axis direction, a support body supporting the movable body through a spring member which may include spring pieces electrically separated from each other, formed with a coil connecting part to which one of a winding start part and a winding end part of the coil is electrically connected. The movable body is provided with an accommodating part for accommodating the coil connecting part. The spring member may include a plate spring-shaped arm part connecting a support body side fixing part with a movable body side fixing part and the arm part is provided with a laser cut portion formed by a laser in a part of an edge part of the arm part. An edge part of the arm part except the laser cut portion may be a cut portion formed by press working or etching processing.

Abstract: A media processing device may include a frame with a transport passage in which information recording media are transported and a magnetic head for processing magnetic information signals on the information recording media. The magnetic head may be embedded in the frame and part of the frame may be interposed between the magnetic head and the transport passage.

Abstract: A lens driving apparatus and method may include a movable body holding lenses; a fixed body for supporting the movable body via a spring member to move in the optical axis direction; and a magnetic drive mechanism which has coils held by the movable body and which drives said movable body in the optical axis direction. Additionally, the spring member may be configured with a plurality of spring pieces which are electrically divided at one location in the optical axis direction, and a plurality of coil end portions pulled out from the coils are respectively and electrically connected to different spring pieces of a plurality of spring pieces from each other.

Abstract: A method of protecting data stored in a memory of a welding controller provided with an EEPROM as a storage element capable of storing welding control data in a welding controller, thereby enhancing reliable protection of data stored in the EEPROM. The method of protecting data stored in a memory of a welding controller comprises the steps of providing the EEPROM having write validity control function means in the controller, using the EEPROM as a storage element for storing welding control data therein, writing the welding control data into the EEPROM and storing the same in the EEPROM, reading the welding control data from the EEPROM when the welding controller is used, and rendering the EEPROM transitive from a write disable state to a write enable state by the write validity control function when the welding control data is changed.

Abstract: A welding system is capable of shortening length of connection lines and of effectively utilizing devices as a whole. The system includes a welding controller provided with an I/O interface, a controller unit provided with a programmable logic controller and connected to the I/O interface of the welding controller through a field bus interface serving as a communication link, a welding machine and general-purpose peripheral equipment. The welding controller controls the welding machine and the general-purpose peripheral equipment upon receipt of instructions from the programmable logic controller through the field bus interface.

Abstract: According to one embodiment of the present invention, a disc clamping device includes a clamp body including a tip operating portion, wherein the tip operating portion moves downward by a depressed disc. The disc clamping device further includes an engagement body including an entry guide portion to guide the disc along the entry guide portion to a center location. When the clamp body is in an upward position, the uppermost surface of the clamp body is positioned to be the same height as an uppermost surface of the entry guide portion of the engagement body.

Abstract: An automatic balancing apparatus may be mounted in a rotator body such as a spindle motor having a rotary shaft defining an axis of rotation. The automatic balancing apparatus has a plurality of balancing members rotatable about the axis of rotation in a non-contact manner. Each of the balancing members has a balance action section spaced a distance in a radial direction from the axis of rotation and a connection section that rotatably couples the balance action section to the axis of rotation. The balance action section has a mass that effects a balance correction action to cancel a rotational unbalance of the rotator body when the rotator body rotates at a rotational speed that exceeds a resonant rotational speed CR thereof. The connection section has a mass that substantially does not affect the balance correction action compared to the balance action section.

Abstract: A cylindrical case provided with a chamber is coaxially attached to a rotary shaft of a motor. A plurality of balancers are movably provided within the chamber so as to cancel a rotation eccentricity of the motor. A viscous member such as high viscosity fluid is provided on at least one of the surfaces of the balancers and an inner face of the chamber.

Abstract: An automatic balancing apparatus which includes a support shaft which is rotated by a drive; a case body which is fixed to the support shaft and which rotates together with the support shaft; a ring magnet which is placed at the inside corner, in the radial direction, of an inner space of the case body; and a balancing member. The balancing member further includes a plurality of magnetic bodies which are movable in the inner space of the case body and which can be drawn up by the magnetic field of the ring magnet. When the rotational frequency of a rotor, which rotates together with the case body, exceeds the resonant frequency, the automatic balancing apparatus reduces vibrations of the rotor; and the outer circumference of the ring magnet has a flat portion.

Abstract: A method of protecting data stored in a memory of a welding controller provided with an EEPROM as a storage element capable of storing welding control data in a welding controller, thereby enhancing reliable protection of data stored in the EEPROM. The method of protecting data stored in a memory of a welding controller comprises the steps of providing the EEPROM having write validity control function means in the controller, using the EEPROM as a storage element for storing welding control data therein, writing the welding control data into the EEPROM and storing the same in the EEPROM, reading the welding control data from the EEPROM when the welding controller is used, and rendering the EEPROM transitive from a write disable state to a write enable state by the write validity control function when the welding control data is changed.

Abstract: A welding system capable of shortening length of connection lines and the of effectively utilizing devices as a whole. The system comprises a welding controller provided with an I/O interface, a controller provided with a programmable logic controller and connected to the I/O interface of the welding controller through a field bus interface serving as communication means, a welding machine and a general-purpose-purpose peripheral equipment, wherein the welding controller controls the welding machine and the general-purpose-purpose peripheral equipment upon receipt of instructions from the programmable logic controller through the field bus interface.