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: 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: An electromagnetic drive includes a drive plate disposed in a magnetic field. The drive plate includes a non-conductive medium with a first plurality of linear conductive elements arranged parallel to a first axis. The first plurality of linear conductive elements connects first and second electrical terminals supported by the non-conductive medium. The drive plate may be driven in the magnetic field along a second axis that is substantially perpendicular to the first axis when an electrical current of sufficient magnitude is passed through the first plurality of linear conductive elements.

Abstract: A multilayer circuit board includes a first dielectric layer, a second dielectric layer, a first conductor path, a second conductor path and a soldered joint. The first dielectric layer has a first side and a second side. The second dielectric layer has a first side and a second side, where the first side of the second dielectric layer facing towards the first side of the first dielectric layer. The first conductor path is disposed on the first side of the first dielectric layer. The second conductor path is disposed on the first side of the second dielectric layer. The soldered joint is disposed between the first dielectric layer and the second dielectric layer, where the soldered joint electrically connects the first conductor path to the second conductor path. The first dielectric layer extends continuously through an area surrounding the soldered joint.

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 relates to a scanning device for optical storage media, having an optical housing with sliding bearings, which are arranged at a distance from one another, for linear movement on a guide rod, and with optical components in order to form an optical path. It achieves the object of designing a scanning device such as this in such a way that its adjustment, associated with a setting of the optical path, is simplified and can be carried out precisely. For this purpose, each of the sliding bearings is formed from a sliding bearing bush which is held on a guide block, that is fixed to the housing, in such a way that it can be adjusted in a radial direction with respect to this guide block, and is self-aligning in a direction at right angles to this.

Abstract: The invention relates to a scanning device for optical discs, having an adjustable scanning unit tensioned against a carrier with a spring. For minimizing the structural space for the spring and avoiding separate fixing elements, the spring is formed as a dip spring, having an elongated spring limb and a bearing limb formed transversely with respect to the latter, which clip spring impinges at one of its ends with the bearing limb on the carrier with a contact force and is supported at its other end at a distance from the impingement location on the housing.

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 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 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: A device for reading from or writing to optical recording media, having an optical scanner for generating a scanning beam and for detecting a detection beam influenced by the optical recording medium, and a lens holder for focusing the scanning beam onto the optical recording medium; the lens holder being mechanically and electrically coupled to the scanner by retaining wires is disclosed. In a device according to the invention at least one of the retaining wires is a multistrand wire.

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: An apparatus for accessing storage media, having an actuator base and an actuator carrier, where for compact design and low material cost, an elastic connection pressing the actuator carrier against the actuator base is a straight piece of spring wire.

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: A printed circuit board may move an electrical or optical component. A first trace may be supported by a substrate having a first surface. A second trace may interleave the first trace where current flow through the first trace and the second trace may generate a first magnetic field. The first and second traces may be arranged around a first point, and the first magnetic field may be operable to interact with a second magnetic field to move a movable component in a direction substantially coplanar to the first surface of the substrate.

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.