Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8046784 | Optical disc record system and method, and an optical pickup actuator unit for such a system An optical disc record system comprising an optical pickup actuator unit for transferring data to and/or from a rotating optical disc. The optical pickup actuator unit comprises a fixed part (1) and a movable part (2) carrying an objective lens (4 | 10/25/2011 |
| 7992159 | Optical pickup device and optical disc device with such optical pickup device mounted thereon An optical disk apparatus according to the present invention includes an optical pickup device and a control section for controlling an operation of the optical pickup device. The optical pickup device includes a plurality of first wiring lines for transmitting sign... | 08/02/2011 |
| 7644421 | Optical pickup An optical pickup for disc device has elastic wires 15 reliably connected with a dumping gel box 6. Guide members 18 are provided integrally with the dumping gel box 6 along bottom edges of side surface 6 as of the dumping gel box ... | 01/05/2010 |
| 7480925 | Optical disc apparatus In an optical disc apparatus, a metallic member forming an optical pickup, such as a bottom cover member of the optical pickup, has a protrusion in an integral form on the portion of the metallic member that is opposed to a plane of a flexible printed-wiring board, ... | 01/20/2009 |
| 7475412 | Optical disk drive apparatus having a flexible substrate and wiring conductors In order to improve reliability of an optical disk drive apparatus at low cost, a flexible substrate for making connection between an optical pick-up device incorporated in the optical disk drive apparatus and a drive side is divided into a first flexible substrate ... | 01/06/2009 |
| 7337453 | Actuator employing a bobbin incorporating a winding coil and a manufacturing method thereof An optical pickup actuator and a method thereof includes a bobbin having a lens to scan a laser beam on a track of a disc, a winding coil moving the bobbin on the track in focusing and tracking directions, and an integrated circuit board used as the bobbin using a p... | 02/26/2008 |
| 7324412 | Actuator using focusing-substrate An actuator includes a focusing-substrate having a focusing coil pattern for generating focusing driving force, the focusing-substrate being provided with a land part and a hole through which laser beams pass, tracking coils for generating tracking driving force, th... | 01/29/2008 |
| 7324425 | Optical disk device having mirror in micro electrical mechanical system An optical disk device in which the laser beam emitted from a laser light source and deflected by a movable mirror is focused on an optical recording medium by an optical head section. Tracking control is carried out by a drive control section based on the laser bea... | 01/29/2008 |
| 7292508 | Optical pick-up device with respective flush screws eccentrically positioned between an actuator base and a magnetic holder, together between a printed-circuit board and a support member An optical pick-up device having cheap and simple structure capable of precisely positioning members assembled upon an actuator base makes use of respective flush screw members for a magnet holder and for a printed-circuit board eccentrically positioned between an a... | 11/06/2007 |
| 7286448 | Actuator for use in pickup device in reducing lens distortion Provided is an actuator for use in a pickup device, which can improve the quality of the pickup device by reducing a lens distortion even when the frequency of an electromagnetic drive rises beyond a servo band and causes resonance of a lens holder. An adhesive laye... | 10/23/2007 |
| 7287264 | Objective lens drive apparatus with objective lens portion movable along support member axial direction An objective lens drive apparatus includes a stationary member, a movable portion having an objective lens, an objective-lens holding member, and driving coils, and a plurality of rod-like elastic support members each having an axial direction parallel to a third di... | 10/23/2007 |
| 7269120 | Optical pickup An optical pickup includes a radiating plate made to abut against a rear surface of a laser diode by positioning an engaging hole provided penetratingly in a central portion of the radiating plate concentrically with the laser diode. Slits are formed in the radiatin... | 09/11/2007 |
| 7245563 | Optical pickup and disc drive apparatus An objective lens drive device (8) includes a supporting block (9), a movable block (10) for holding an objective lens (27), and supporting springs (22) for connecting the supporting block and the movable block. Elements of the sup... | 07/17/2007 |
| 7242644 | Optical disk drive, and a method of assembling it An optical disk drive includes an optical pick-up unit having a fixed part with at least a light source, and a movable part mounted on a guide. The movable part includes a mirror, a focusing lens, and lens-moving elements. The movable part is adapted to move a focus... | 07/10/2007 |
| 7228553 | Optical pickup actuator and optical recording and/or reproducing apparatus employing the same An optical pickup actuator includes a; a bobbin in which a through hole is formed, an objective lens attached to the bobbin; a holder provided on the base to support the bobbin; a lens holder inserted in the through hole of the bobbin to support the objective lens, ... | 06/05/2007 |
| 7184271 | Magnetic disk loading apparatus Provided is a magnetic disk loading apparatus making it easy to perform the work of replacing a magnetic disk unit or any other component with a new one or the work of maintaining or inspecting it, and accommodating a larger number of magnetic disk units. A magnetic... | 02/27/2007 |
| 7162727 | Optical pickup actuator with improved damping effect with end of suspension wire movably inserted into groove of wire holder An optical pickup actuator reducing an access time to a disc, and an optical recording and/or reproducing apparatus using the same. The optical pickup actuator includes a base, a wire holder on one side of the base, a bobbin on which an objective lens is placed, fir... | 01/09/2007 |
| 7092321 | Lens actuator incorporated in optical information storage system for promptly canceling fluctuation of radial tilt angle of rotating disc A lens actuator keeps an objective lens focused on a track in an information recording layer of an optical disc against fluctuation unavoidable for the optical disc, and has a lens holder, three electromagnetic actuators for moving and tilting the lens holder and th... | 08/15/2006 |
| 7065774 | Optical pickup actuator and optical disc drive using the same Provided is an optical pickup actuator including a blade, a plurality of wires, coils, magnets, and connectors. The blade has an objective lens. The plurality of wires support the blade so that the blade moves around a predetermined holder. The coils are installed o... | 06/20/2006 |
| 7028318 | Optical head with lens holder supported by suspension wires at central and end portions Suspension wires (3a) and (3c) are fixed to and bridged over a lens holder (1) and a fixing member (11) which is fixed to the housing. On each of side surfaces of the lens holder (1) is mounted a tilt bobbin (8... | 04/11/2006 |
| 6931650 | Pickup device and disk drive A pickup device employing an inexpensive flexible printed circuit sheet (FPC) which demonstrates preferable electrical characteristics. FPC has a signal conductive layer inside, and a U-shape bending portion is formed in a midway of FPC at a position where a hologra... | 08/16/2005 |
| 6931651 | Optical pickup An optical pickup has a pair of left and right leg portions formed integrally at both side edge portions of a rear end portion of a resilient plate. The leg portions extend forwardly along a horizontal longitudinal direction. A pair of fixing holes are penetratingly... | 08/16/2005 |
| 6920639 | Optical pickup An optical pickup has a support pedestal integrally formed at a rear end portion of a mounting surface of a base. A pair of left and right leg portions extend forwardly from both side edge portions of a rear end portion of a resilient plate. A fixing hole is penetra... | 07/19/2005 |
| 6880165 | Objective lens driving unit with connecting members displaced in extending direction of suspension wires In an optical pickup system, at least two suspension wires support a lens holder on which an objective lens and driving coils are mounted. The suspension wires are respectively secured on opposite surfaces of the lens holder. The lens holder has connecting members, ... | 04/12/2005 |
| 6034940 | Optical pickup actuator In an optical pickup actuator, a lens holder has an objective lens and a penetrating hole for placing the objective lens. A pair of bobbins make contact with both side surfaces of the lens holder. A focusing coil and a tracking coil are wound around each ... | 03/07/2000 |
| 5526340 | Electromagnetic objective lens driving apparatus including directly formed circuit pattern An electromagnetic objective lens driving apparatus of optical data recording and reproducing apparatus includes a carriage that is movable in a radial direction of an optical disc and an objective lens holder which supports an objective lens in a manner ... | 06/11/1996 |
| 5241528 | Optical pickup An optical pickup having an optical disk (22); a laser diode (11); an objective lens for forming a beam spot on the optical disk; an optical element for guiding a beam from the laser diode to the objective lens; a photodetector for converting a reflected ... | 08/31/1993 |
