"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7365946 | Recorder/reproducer A recording/reproducing apparatus includes a cartridge holder which is rotatably provided on a chassis, into which a disc cartridge enclosing a magneto-optical disc is inserted, and which holds the inserted disc cartridge, an optical pickup that irradiates laser lig... | 04/29/2008 |
| 7356908 | Method of assembling a disk drive unit via a ramp tool A disk drive unit includes a first cover having a first part of magnet component and a head stack assembly mounted on the first cover; and a second cover assembled with the first cover, which having a second part of magnet component, a spindle motor and at least one... | 04/15/2008 |
| 7196512 | Magnetic head tester The magnetic head tester of the present invention drives a medium for rotation to float a slider from the medium so as to test a magnetic head for its characteristics, and the tester includes a holder removably holding the slider opposed to the surface of the medium... | 03/27/2007 |
| 7193819 | Method of assembling a disk drive including actuating a shipping comb to bend a suspension vertically to facilitate a merge tool A head stack assembly (HSA) is disclosed for use in a disk drive comprising a disk, wherein a merge tool is used to merge the HSA with the disk. The HSA comprises at least one actuator arm with a suspension connected to the distal end of the actuator arm. A multi-le... | 03/20/2007 |
| 7159299 | Spring assisted head stack assembly comb A head stack assembly comb (154) for maintaining the heads (44) of a head stack assembly (26) in spaced relation is disclosed. The head stack assembly comb (154) includes a comb body (158) and a latch (218). The comb body ( | 01/09/2007 |
| 7141969 | X-Y spinstand platform with flexure-coupled platen An XY platen positioning system includes a fixed base rigidly coupled to a essentially planar surface. An XY intermediate plate is slidably coupled to the fixed base, such that the XY intermediate plate is slidable in the X axis along the fixed base. An XY stage is ... | 11/28/2006 |
| 7106663 | Disk recording/reproducing apparatus provided with magnet head ascending/descending mechanism The disk recording/reproducing apparatus of the present invention has a magnetic head which ascends or descends between a descent position proximate to a disk recording medium housed in a cartridge and an ascent position which is separate from the medium, an ascendi... | 09/12/2006 |
| 7089573 | Information recording/reading apparatus An information recording and/or reading apparatus has a base plate, a spindle motor for rotating a disk by the output shaft perpendicular to the base plate, a rotary alignment control device for determining the rotation position of a recording/reading head of a head... | 08/08/2006 |
| 6958891 | Actuator loading/unloading device for disc drive An actuator loading/unloading device includes a block unit disposed at a base of a disc drive to be positioned outside a disc, a lamp member positioned on the block unit so that the lamp member is lifted from or lowered down on the block unit, an actuator being park... | 10/25/2005 |
| 6941642 | Head stack load comb for controlled head loading Disclosed is a head stack load comb used in the controlled loading of a head of a head stack assembly (HSA) onto a disk during the assembly of a disk drive. The HSA includes an actuator arm, a head, and a loading surface. The load comb includes a base structure and ... | 09/13/2005 |
| 6934098 | Data card with a full circular track for alignment and amplitude calibration This invention discloses a flat data storage medium that includes a plurality of substantially parallel data arc-segments. The data arcs further include at least one full circle data track provided for obtaining a measurement of an average amplitude of data signals ... | 08/23/2005 |
| 6865060 | Disk drive device having a lifting plate configured to lift a magnetic head supporting member A disc drive device for driving a disc accommodated in a cartridge comprises: a magnetic head; a magnetic head supporting member for supporting the magnetic head to contact the disc and to be separated from the disc; a lifting plate configured to lift the magnetic h... | 03/08/2005 |
| 6407881 | Disk apparatus having a shock absorbing member for a read/write head A disk apparatus includes a disk loading device which loads a disk from an insert/eject position to a read/write position, the disk having a first surface and a second surface. A head device records information to and/or reproduces information from the di... | 06/18/2002 |
| 6359756 | Disk drive having a system for protecting the read/write heads An improved disk drive includes an improved operating system, an improved eject system, an improved head retract system and an improved motor loading system. In a preferred embodiment of the operating system it includes a motor, an eject crank, a head cra... | 03/19/2002 |
| 6353516 | Disk apparatus having magnetic head lifting device A disk drive adapted to accept and eject a disk cartridge accommodating a disk includes a carriage movable in a radial direction of the disk, a magnetic head assembly mounted on the carriage and having a magnetic head, and a cartridge ejecting mechanism f... | 03/05/2002 |
| 6212045 | Method and apparatus for loading a magnetic head onto a magnetic disk A spinstand head-loading mechanism of a magnetic tester includes a protector bar and a lift arm which control the loading and unloading operations of a magnetic head, as part of a head-gimbal assembly, with respect to a magnetic disk. A series of actuator... | 04/03/2001 |
| 6088203 | Three position magnetic head vertical movement device A magnetic head vertical movement device for a magnetic-optical recording and/or reproducing apparatus for use with a disk cartridge, within which a magneto-optical disc is accommodated. The device includes a vertical movement drive mechanism for a magnet... | 07/11/2000 |
| 6078468 | Data storage and/or retrieval methods and apparatuses and components thereof A disk drive system and method employs sheet lift effect to suspend a data storage disk during high speed rotation. The system includes a data storage disk composed, at least partially, of an electrically conductive, nonmagnetic material and having at lea... | 06/20/2000 |
| 6072666 | Head retraction system for retracting the heads of a disk drive An improved disk drive includes an improved operating system, an improved eject system, an improved head retract system and an improved motor loading system. In a preferred embodiment of the operating system it includes a motor, an eject crank, a head cra... | 06/06/2000 |
| 5926347 | Magnetic disk drive provided with means for pressing head against disk A magnetic disk apparatus includes a magnetic disk accommodated for rotation in a housing, a spindle mechanism for driving the magnetic disk to rotate, a magnetic head for writing and reading out information onto and from the magnetic disk, a suspension f... | 07/20/1999 |
| 5859750 | Magnetic recording-and-reproducing apparatus A lower magnetic head is attached to a carriage and a head support member supporting an upper magnetic head is hinged to the carriage. The head support member is provided on its lower surface in a continuous arrangement with a first flat portion, an incli... | 01/12/1999 |
| 5828512 | Information processing apparatus having a floating-type head An information reproducing apparatus which has a rotative driver for rotating a disc-shaped recording medium, a floating-type head for reproducing information recorded in the recording medium while floating above the disc-shaped recording medium that is b... | 10/27/1998 |
| 5590095 | Magneto-optical disk apparatus with floating type magnetic head and a device for limiting an amount of deflection of a resilient member supporting the magnetic head Disclosed is magnetoptical disc apparatus for recording information in magnetoptical recording medium using a floating type magnetic head. The apparatus includes a floating type magnetic head for applying a modulated magnetic field to the medium, a leaf s... | 12/31/1996 |
| 5508857 | Magnetic head loading/unloading apparatus maintaining a magnetic head at predetermined positions by permanent magnets A magnetic head loading/unloading apparatus has a head arm being maintained in either a loading state or an unloaded state by means of a permanent magnet. The head arm has a magnetic head on one end thereof, and is fixed on an end of a first yoke. A secon... | 04/16/1996 |
| 5471439 | Magnetic head device with slidable and adjustable magnetic head A magneto-optical recording and reproducing apparatus for recording a recording data on a magneto-optical disk through magnetic field modulation is provided with a magnetic head device for applying a recording magnetic field corresponding to a recording s... | 11/28/1995 |
| 5463514 | Disc drive slider lifter using shape memory metals A slider lifter for a disc drive is disclosed which utilizes a shape memory element to lift a slider away from the surface of a disc. The slider is supported adjacent the surface of the disc by a flexure which has a lifting wire attached thereto. The lift... | 10/31/1995 |
| 5323284 | Magnetic transducer receiver for a disk drive A receiver assembly is provided for releasably mounting a head/arm assembly to a movable arm of a disc drive. The head/arm assembly has a rigid arm having at least two mutually exclusive predetermined defined edges and a flex arm mounted to the rigid arm ... | 06/21/1994 |
| 5274519 | Magnetic recording apparatus with air vane actuated regulating member for head slider A magnetic recording apparatus includes an arm, an airvane, a regulating member, and an urging member. The arm has a head slider including a magnetic head at a free end thereof, and is moved by an actuator device between a scan position and a stop positio... | 12/28/1993 |
| 5223999 | Record holder for a magneto-optical recording device with a retractable magnetic head A holding device for holding a record (CD) in a magneto-optical recording/playback device includes a first wheel (R1) pressing against one side of the record. A first pivotable arm (AR1) supports a second wheel (R2), motion of the first arm moves the seco... | 06/29/1993 |
| 5142424 | Floatable information-reading head support configured to prevent forward pitch An information-reading head having a structure comprising a floatable information-reading head, and a suspension comprising a load arm for supporting the information-reading head via a gimbal. The gimbal having a frame structure in a reversed trapezoidal ... | 08/25/1992 |
| 5122998 | Magneto-optical recording and reproducing apparatus having magnetic head vertically moving support A magneto-optical recording and/or reproducing apparatus includes an optical head for providing a light spot for recording, reproducing and erasing of a magneto-optical disc, a magnetic head which is disposed at a position opposing the optical head with t... | 06/16/1992 |
| 4996618 | Magnetic disk apparatus having additional carriage adapted to prevent adsorption of magnetic head A magnetic disk apparatus comprises a magnetic disk for recording information thereon; a power supply; an electric motor for rotating the magnetic disk by means of electric power which is supplied from the power supply; a floating type magnetic head for r... | 02/26/1991 |
| 4956733 | Storage media transducer loading/unloading and carriage lock mechanism In a magnetic disk storage system incorporated in a removable, portable module for use in a microcomputer system, a hinged separator element having a plurality of angled surfaces is movable between first and second positions. In the first position, the di... | 09/11/1990 |
| 4884261 | Storage media transducer loading/unloading and carriage lock mechanism In a magnetic disk storage system, a hinged separator element having a plurality of angled surfaces is movable between first and second positions. In the first position, the disk storage system is in an operational state with magnetic transducers loaded o... | 11/28/1989 |
| 4839756 | Apparatus for read/write head loading and unloading in a data recording disk file An apparatus for loading and unloading air-bearing sliders relative to their respective disk surfaces in a data recording disk file includes an elongated rod mounted on the disk file actuator arm for flexing the suspensions and attached sliders away from ... | 06/13/1989 |
| 4839757 | Manual head loading mechanism for flexible disk drive A flexible disk drive includes a reset lever which holds an upper head in an upper or open position in an unloaded condition of a magnetic head and, interlocked with a closing motion of a door, moves downward together with the upper head, and a head load ... | 06/13/1989 |
| 4742409 | Magnetic disc unit A magnetic disc unit comprising motor means having a spindle rotatably mounted on a base for rotating a magnetic recording medium, a loading arm having one end swingably attached to the base and a center cone rotatably attached to the other end of the loa... | 05/03/1988 |
| 4740852 | Disk presser mechanism for use in magnetic recording and reproducing apparatus A disk presser mechanism in a magnetic recording and reproducing apparatus includes a rotatable turntable, a clamp member for clamping a disk on the turntable, a clamp arm supporting the clamp member and movable toward and away from the turntable, a drive... | 04/26/1988 |
| 4684913 | Slider lifter A slider lifter including a support structure, a flexure arm and a resilient means cantilevered from the support structure, and a shape memory alloy element operatively connected between the support structure and the resilient means, wherein the shape mem... | 08/04/1987 |
| 4683506 | Disc drive arrangement for a hard disc cartridge with a read/write head retract mechanism A disc drive arrangement 10 for accessing information from and recording information onto a disc 25 retained in a cartridge 27 comprises a linkage 22 operatively connecting a door 18 to a head 26, 28 mounted on a carriage 24 for urging the head 26, 28 awa... | 07/28/1987 |