Abstract: A suspension arm actuator for a scanning device includes a suspension arm which is designed as a two-arm lever having a first and second arms. The second lever arm includes a component for a magnetic drive for a swivel motion of the suspension arm. The component is arranged at a recess having the shape of a circular arc, with an inner leg of a yoke being permanently attached to a support projecting into the recess and forming a magnetic yoke, wherein the yoke is provided with a shell-like magnet on its outer leg in order to form the magnetic drive. A magnet for field optimization, which is magnetized perpendicularly in relation to the shell-like magnet, is arranged on the yoke in the region between the inner leg and the shell-like magnet to increase the sensitivity of the suspension arm actuator.

Abstract: The invention relates to a suspension arm comprising a suspension arm designed as a two-arm lever, said suspension arm mounted to a support such that it can be pivoted between the lever arms about an axis extending perpendicularly to said suspension arm. One of the lever arms supports on its end side an optical head having a focal lens and comprises an elastic region for initiating a motion of the optical head in focusing direction perpendicularly to the pivot plane of the suspension arm. The other lever arm is provided with a coil of a magnetic drive for initiating a swivel motion about the axis. In addition, the suspension arm actuator comprises a magnetic drive for initiating the motion of the optical head in the focusing direction. It solves the problem of designing such a suspension arm actuator such that the sensitivity of said suspension arm actuator is increased.

Abstract: A pickup for accessing moving storage media carrying substantially parallel information tracks has a carrier, an actuator with a lens and suspension wires extending from the rear of the carrier and joining the carrier and the actuator. The actuator is movable in the focus direction and in a tracking direction and has a substantially rectangular flat board carrying the lens and a counter weight. The flat board is arranged orthogonal to a focus direction and carries tracking and focus coils. The pickup has a magnet configuration connected to the carrier with at least two tracking magnets, which are arranged in the tracking direction at opposite sides of the flat board and extend orthogonal to the focus direction above and/or under the flat board, and with at least two focus magnets, which are arranged in front of and behind the flat board and extend orthogonal to the direction of the tracks.

Abstract: A pickup for accessing moving storage media carrying substantially parallel information tracks has a carrier, a movable actuator with a lens, and suspension wires joining the carrier and the actuator. The actuator is movable in at least a tracking direction and a focus direction. The suspension wires are soldered to the actuator by soldering points. According to the invention, the soldering points are made by induction soldering.

Abstract: A pickup for accessing moving storage media, carrying substantially parallel information tracks, has a carrier, an actuator and suspension elements joining the carrier and the actuator. The actuator has a body and a lens and is movable in a tracking direction and in a focus direction. The suspension elements extend substantially in an information direction orthogonal to the tracking direction and the focus direction and are arranged at opposite sides of the body in the tracking direction, where they are stacked at each side in focus direction. Each suspension element has two parts, where a first part is connected to the carrier and a second part is connected to the body of the actuator. According to the invention, the suspension elements are constituted as suspension wires, where each suspension wire is folded, where the first part and the second part are constituted as a first side and a second side of the folded suspension wire and where the both sides form an acute angle with each other.

Abstract: The invention provides an optical scanning apparatus for appliances for recording or reproducing information using an optical recording medium, said scanning apparatus automatically matching itself to the curvature of a curved recording medium or of a recording medium with axial runout without there being different wire diameters for the resilient support of the lens holder (LH) or other additional damping means or an additional control loop for this purpose. This object is achieved by virtue of an arrangement comprising coils and magnets being provided which has an asymmetrical magnetic field distribution which is provided for matching the orientation of a lens (L) in the optical scanning device to a curved recording medium or to any axial runout in the recording medium.

Abstract: The invention relates to a suspension arm actuator for an optical scanning device, comprising a suspension arm designed as a two-arm lever and allocated to an optical recording carrier. The suspension arm is, in known manner, mounted to a support between the lever arms such that it can be pivoted about an axis extending perpendicularly to said suspension arm. On its end side, one of the lever arms supports an optical head having optical components, in particular having an objective lens, while a magnetic drive initiating a swivel motion about the axis is allocated to the other lever arm. In addition, the suspension arm actuator comprises a magnetic drive initiating a motion perpendicular to this swivel motion and electric connections between a control unit arranged outside of said suspension arm actuator and the electrical and optical components.

Abstract: The invention relates to a suspension arm actuator for an optical scanning device, comprising a suspension arm designed as a two-arm lever and mounted between the lever arms such that it can be pivoted about an axis extending perpendicularly thereto. On its end side, one of the lever arms supports a scanning head and comprises an articulated region, preferably an elastically bendable region, for a motion of the scanning head in focusing direction and perpendicular in relation to the pivot plane of the suspension arm. The other lever arm is provided with a component of a magnetic drive for a swivel motion about the axis. In addition, the suspension arm actuator comprises a magnetic drive for moving the optical head in focusing direction. As a result, the suspension arm is designed such that the latter's lever arm that supports the scanning head is designed simply and without any further functional elements and is, therefore, reduced in weight.

Abstract: The invention relates to actuators on pickups for access to moving storage media. An actuator according to the invention comprises a circuit board which, in an edge region, has a metallization on its edge or metallizations adjacent to the edge on two or more inner or outer surfaces, suspension wires for connecting the actuator to a carrier being soldered onto these metallizations.

Abstract: The invention relates to a suspension arm comprising a suspension arm designed as a two-arm lever, said suspension arm mounted to a support such that it can be pivoted between the lever arms about an axis extending perpendicularly to said suspension arm. One of the lever arms supports on its end side an optical head having a focal lens and comprises an elastic region for initiating a motion of the optical head in focusing direction perpendicularly to the pivot plane of the suspension arm. The other lever arm is provided with a coil of a magnetic drive for initiating a swivel motion about the axis. In addition, the suspension arm actuator comprises a magnetic drive for initiating the motion of the optical head in the focusing direction. It solves the problem of designing such a suspension arm actuator such that the sensitivity of said suspension arm actuator is increased.

Abstract: Actuator for an optical scanning device, having a focus lens mounted in a lens holder and having a damper base firmly connected to a mount, having a magnet arrangement arranged on the mount, and a coil arrangement interacting with the magnet arrangement, on a printed circuit board, for fine positioning of the focus lens, with the printed circuit board being connected to the damper base by means of elastically flexible suspension means arranged on both sides of the longitudinal axis of the actuator. It achieves the object of designing an actuator such as this in such a way that it has a reduced moment of inertia, because of a reduced mass. For this purpose, the printed circuit board is at the same time a mounting board for the lens holder, and the printed circuit board and the lens holder together form the moving part of the actuator.

Abstract: A pickup for accessing moving storage media with a flat coil on a surface of a carrier, where for inserting an ohmic resistance into the coil circuit the same carrier has on one of its surfaces a conducting lead designed mainly to exhibit ohmic resistance and connected to the flat coil in series. With a meandering design, the conducting lead can be manufactured from a strip of metal substrate the same width as that of the flat coil. An apparatus for accessing moving storage media having the pickup.

Abstract: The invention relates to a suspension arm actuator for a scanning device, comprising a suspension arm which is designed as a two-arm lever, is allocated to a disk-shaped data carrier and is mounted to a support such that it can be pivoted about a pivot axis extending perpendicularly in relation to the suspension arm. At one end of a lever arm, the suspension arm supports a sensor and, on the other lever arm, comprises a component (focus coil 5) for a magnetic drive initiating a focusing motion of the sensor perpendicular in relation to the data carrier. The component is arranged at a recess having the shape of a circular arc, with the inner leg of a yoke that is permanently attached to the support projecting into said recess and forming a magnetic yoke, wherein said yoke is provided with a shell-like magnet on its outer leg in order to form the magnetic drive.

Abstract: A pickup (P) for accessing moving storage media (D) carrying substantially parallel information tracks (T) has a carrier (C), a movable actuator (A) with a lens and suspension means joining the carrier (C) and the actuator (A). The actuator (A) carries coils. The pickup (P) has a magnet configuration, which is connected to the carrier (C), with at least one multipolar magnet having two ore more poles. In a section of the multipolar magnet, which faces one of the coils, two opposing magnetic poles adjoin along a first separation line. The separation line has a first line part and a second line part, where the widths of corresponding pole parts of at least one of the adjoining magnetic poles differ. According to the invention at least one magnetically active element increasing or decreasing the magnetic flux is attached to the multipolar magnet at least one of the pole parts with different widths.

Abstract: A pickup for accessing moving storage media carrying substantially parallel information tracks has a carrier, an actuator with a lens and suspension wires extending from the rear of the carrier and joining the carrier and the actuator. The actuator is movable in the focus direction and in a tracking direction and has a substantially rectangular flat board carrying the lens and a counter weight. The flat board is arranged orthogonal to a focus direction and carries tracking and focus coils. The pickup has a magnet configuration connected to the carrier with at least two tracking magnets, which are arranged in the tracking direction at opposite sides of the flat board and extend orthogonal to the focus direction above and/or under the flat board, and with at least two focus magnets, which are arranged in front of and behind the flat board and extend orthogonal to the direction of the tracks.

Abstract: The present invention relates to an actuator for a scanner for optical storage media, and to an appliance for reading from and/or writing to optical storage media which uses an actuator such as this. The invention proposes an actuator for an optical scanner, having a lens holder for holding an objective lens and printed coils for focussing and tracking control, with six printed coils being arranged on each of two opposite faces of the lens holder and interacting with associated magnets, each having sixteen poles.

Abstract: An optical pickup and optical recording or reproducing apparatus incorporating such an optical pickup is recommended, which comprises an adjustment means to adjust the actuator plate of the optical pickup, which holds the objective lens, by moving the actuator plate AP on a straight reference surface arranged in the slide base of the optical pickup to a position as defined by alignment equipment to compensate tolerances between traverse mechanism and disc motor. The adjustment means is a screw for moving the actuator plate on the straight reference surface inside the slide base against a counter spring and the alignment equipment is formed by the optical pickup, which irradiates a light beam to an optical disc inserted into the optical recording or reproducing apparatus and receives a return light from the disc as well as means for moving the optical pickup radially of the spinning optical disc.

Abstract: The invention refers to a pickup for moving storage media having a movable part movable in a 2D plane of motion where smaller airgaps between magnets and coils on a flat carrier are achieved by the movable part having a holder opening equipped to hold a part of the coil carrier in a range of positions which extend along an alignment direction which lies outside the plane of motion, and in that the part of the coil carrier is fixed within the holder opening in one position within the range; and to a manufacturing method thereof.

Abstract: Actuator for an optical scanning device The invention relates to an actuator for an optical scanning device, having a focus lens mounted in a lens holder and having a damper base firmly connected to a mount, having a magnet arrangement arranged on the mount, and a coil arrangement interacting with the magnet arrangement, on a printed circuit board, for fine positioning of the focus lens, with the printed circuit board being connected to the damper base by means of elastically flexible suspension means arranged on both sides of the longitudinal axis of the actuator. It achieves the object of designing an actuator such as this in such a way that it has a reduced moment of inertia, because of a reduced mass. For this purpose, the printed circuit board is at the same time a mounting board for the lens holder, and the printed circuit board and the lens holder together form the moving part of the actuator.

Abstract: The invention relates to an actuator for a scanning device for scanning optical discs which has a focus lens fixed in a lens holder and a damper base permanently connected to a support. The actuator is equipped with a coil and magnet arrangement, arranged on a support, for fine positioning of the focus lens, wherein a frame is connected to the damper base with elastically flexible suspension means arranged on both sides of this arrangement and of a longitudinal axis of the actuator. It achieves the object of constructing such an actuator in such a manner that it is also suitable for small optical discs. For this purpose, the lens holder is arranged at a distance from the longitudinal axis and at the same time on a side of the actuator facing away from it and facing a receptacle for the optical discs, wherein the direction of movement of the scanning device with the actuator is located transversely to the longitudinal axis and radially with respect to the disc.