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| Number | Title | Issue Date |
| 7995450 | Optical element feeding device and optical pickup unit using the same In an optical element feeding device and an optical pickup unit using the same, in order to make the device compact and light and achieve a stable operation, the device has a main shaft and a sub shaft supporting a movable frame in which an optical element is arrang... | 08/09/2011 |
| 7375922 | Mounting apparatus for data storage device A mounting apparatus for securing a data storage device (10) defining a number of fixing apertures (101) includes a bracket assembly (20), and a number of resilient gaskets (30). The bracket assembly comprises a first bracket (210)... | 05/20/2008 |
| 7370341 | Disk driving apparatus and method of manufacturing the same A disk driving apparatus includes a base chassis which mounts thereon a spindle motor to rotatably drive a disk, and a pickup device to at least record information on or reproduce information from the disk rotated by the spindle motor while moving in a radial direct... | 05/06/2008 |
| 7339298 | Compliant motor driven variable electrical device A motor driven electrical device includes: a variable electrical device having a rotational variable control; a first support plate positioned above the variable electrical device; a motor support plate pliably attached to the first support plate using a pliable sep... | 03/04/2008 |
| 7272837 | Disk tray for disk drive adopting resonator and disk drive having the same A disk tray for a disk drive that slides in and out of the disk drive, one or more resonators mounted on a lower surface of the disk tray to selectively reduce noise of a predetermined frequency band. According to the present invention, the dominant resonance noise ... | 09/18/2007 |
| 7233554 | Disk drive system employing effective disk surface stabilization mechanism A stabilization part stabilizes surface vibration of a flexible optical disk along a rotation axis direction of the optical disk by means of pressure difference of air flow created according to Bernoulli's law at a portion on which information writing/reading is per... | 06/19/2007 |
| 7164554 | Disk drive with hub and apparatus for prevention of lubrication migration for lubricated clamp fasteners in disk drive applications A disk clamp for securing a data storage disk to the hub of a spindle motor in a disk drive prevents the migration of lubricant into sensitive areas of the disk drive. The problem of lubrication migration due to the use and presence of fastener lubricant is resolved... | 01/16/2007 |
| 7072274 | Adaptive mounting system for data storage devices An apparatus and method reduce the transfer of vibration to and/or from a data a data transfer mechanism in a data storage device by coupling an adaptive mount responsive to an electrical stimulus to the data transfer mechanism. In one embodiment of the invention, a... | 07/04/2006 |
| 7025681 | Drive train with a torsional vibration damper and a torsionally flexible coupling A drive train with a torsional vibration damper and a torsionally flexible coupling is described, with the torsional vibration damper comprising a damping mass on the driven side which is resiliently supported with respect to a part (1) on the drive side and ... | 04/11/2006 |
| 6907613 | Disk device A disk device has a driving unit supported by elastic members. In a standby state, locking of the driving unit by a lock member is disengaged, so that the driving unit is elastically supported by dampers and a coil spring. This reduces the time of restriction by pin... | 06/14/2005 |
| 6904608 | Spring for motors and optical disk driver with such spring A spring for motors and an optical disk drive having a motor with such a spring are disclosed. The spring consists of a shaft-hooking part (102) held by the rotating shaft of a motor (M), a rear hooking part (104) held at the rear end surface of the mo... | 06/07/2005 |
| 6877164 | Turntable apparatus for disk drive A turntable apparatus for a disk drive comprises: a rotational shaft of a driving source; a turntable inserted into the rotational shaft so as to be trembled a certain degree toward front and rear, right and left directions; a pivot joint fixed on the rotational sha... | 04/05/2005 |
| 6834393 | Disk device A disk drive including a motor that rotates a disk, an auto-balancer connected to a rotating portion of the motor, a base secured to the motor and connected to an external member via a first elastic member, and a dynamic vibration absorber connected to the base via ... | 12/21/2004 |
| 4577304 | Device for correcting audio record's groove eccentricity A device for correcting audio record's groove eccentricity consists of an arm mounted on one end on a base and having on the opposite end a pin-like device which can track the audio record grooves. On this later end of the arm also mounts an extension arm... | 03/18/1986 |
| 4553230 | Vibration free turntable apparatus A platform that is magnetically suspended relative to a base. Magnet members are deployed atop and about the periphery of the base in fixedly secured relation thereto and oppositely polarized magnet members are secured to the bottom and about the peripher... | 11/12/1985 |
| 4475184 | Vibration limiting apparatus Vibration limiting apparatus for use in supporting devices sensitive to vibration embodies an outer supporting container. A vibration dampening liquid within the outer container dampens vibrations transmitted between the outer container and an inner buoya... | 10/02/1984 |
| 4433582 | Damping device for use with acoustic information generation machines A damping device for use with acoustic information generation machines for isolating a generation portion of the generation device from contamination by extraneous acoustic emissions. A metal isolation piece consisting of a shape-memory alloy is disposed ... | 02/28/1984 |
| 4403763 | Transport securing device for record players Transport securing device for a record player, the base plate of which rests with the interposition of elastic support elements on a mounting plate, having a spacer which is arranged movably on the base plate and protrudes below the lower edge of the base... | 09/13/1983 |
| 4387453 | Turntable system with low aggregate resonance A high fidelity turntable system with low aggregate resonance is disclosed. The turntable system comprises a tone arm assembly and a belt-driven platter assembly joined rigidly by a silent substructure of pure aluminum tubing and other shapes. This low ac... | 06/07/1983 |
| 4373200 | Turntable mountings for record players A turntable mounting for a record player comprises a platform for rotatably supporting a turntable. The turntable has three angularly spaced holes, and the shanks of bolts pass freely through the holes and are secured into sockets in the base. Compression... | 02/08/1983 |
| 4325133 | Disc player apparatus A disc player apparatus comprises a resiliently mounted chassis carrying a sound pickup and a turntable. The chassis is restricted to five degrees of freedom comprising two degrees in two mutually perpendicular lateral directions, a degree in a vertical d... | 04/13/1982 |
| 4202551 | Acoustic dampening assembly for record player turntable An acoustic dampening assembly of decoupling devices for blocking, absorbing, and deadening collision course vibrations. These decoupling devices are disposed: (a) where vibrations can be picked up by a component of the equipment from the surrounding air,... | 05/13/1980 |
| 4132414 | Gramophone turntable apparatus Gramophone turntable apparatus comprises a turntable with a hydrodynamic bearing so that, on rotation, the turntable is supported solely by a pressurized film of fluid. The bearing also supports the rotatable part of a turntable drive motor of rotary or l... | 01/02/1979 |
| 4106776 | Fluidically supported and fluidically driven turntable A method and apparatus for rotatably supporting and driving phonograph records, memory disks or the like while substantially reducing if not eliminating the undesirable effects of mechanical vibrations and drive speed fluctuations. A support frame houses ... | 08/15/1978 |
| 4098513 | Suspension devices for the chassis of a recording and/or reproducing apparatus The chassis of a recording and/or reproducing apparatus such as a record player is mounted to a fixed structure such as a housing of the apparatus by one or more suspension devices. The chassis, parts carried thereby and the suspension device or devices a... | 07/04/1978 |
| 4078807 | Phonograph record player A phonograph record player including a speaker, a turntable and resettable tone arm. The speaker is fixedly secured to the casing of the record player and the tone arm is in contact with the speaker and the record as the record is being played. The turnta... | 03/14/1978 |
| 4071252 | Fluidically driven turntable A method and apparatus for rotatably driving phonograph records, memory disks or the like while substantially reducing if not eliminating the undesirably effects of mechanical vibration and drive speed fluctuations. A support frame houses a tank which hol... | 01/31/1978 |
| 4054291 | Turntable assembly for phonograph records A phonograph record turntable assembly comprises a rotatable turntable having on its upper surface a plurality of elastically flexible, upwardly dished record support members which are engageable, at their peripheries with the undersurface of a phonograph... | 10/18/1977 |
| 3993315 | Automatic phonographs An automatic phonograph comprising a carrier chassis for a turn table and a pick-up arm, said carrier chassis being supported resiliently by a main chassis, a turn table driving motor, means for moving the tone arm horizontally from an outer inoperative p... | 11/23/1976 |
