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| Number | Title | Issue Date |
| 7191456 | Optical pickup head feeding device An optical pickup head feeding device (1) for driving an optical pickup head (4) of an optical recording/reproducing apparatus (100) has a motor (11), a motor housing (12) accommodating the motor, a first cone gear (13), a t... | 03/13/2007 |
| 7095684 | System for actively controlling the lense of an optical pickup when not in operation The present invention relates to an optical media system (40) for suppressing externally induced rattle of an optical media pickup. The system (40) comprises: an optical pickup (41) for reading from and/or writing to an optical storage medium ( | 08/22/2006 |
| 6710979 | Method and system for head retraction in a data storage device An improved actuation system for a data storage device. In one exemplary embodiment, a head retraction mechanism is movable in a head retraction direction between a head recording position and a head parked position, and an actuator remains engaged with the mechanis... | 03/23/2004 |
| 6473267 | Floppy disk drive unit with mounting plate between carriage and lower magnetic head The height of the lower head is equal to that of the upper heads. A mounting plate is provided between the lower head and a carriage to provide penetration arrangement. The lower head is fixed on the carriage through the mounting plate with adhesive. The ... | 10/29/2002 |
| 6341102 | Data writing/reading apparatus A data handling apparatus is provided which includes a rotatable disk provided with at least an innermost track and an outermost track for storing data, and a disk cartridge for housing the disk. The disk cartridge is formed with an opening for exposure o... | 01/22/2002 |
| 6292327 | Commonly actuated head retract assembly and cartridge transport assembly for disk drive A disk drive has a frame for receiving and retaining a disk cartridge which includes a disk therein, such disk being rotatable about a first axis perpendicular to the frame and cartridge. An actuator is mounted to the frame and is movable a first lesser a... | 09/18/2001 |
| 6002552 | Adaptive loading/unloading suspension A head gimbal assembly includes an adaptive loading/unloading suspension with an aerodynamic compensation mechanism formed with or attached to the load beam. The compensation mechanism causes a variable and programmable dynamic gram load to be applied on ... | 12/14/1999 |
| 5828520 | Magnetic head-mounted to a tip portion of a carriage via adhesive in an adhesive filling groove The present invention relates to a head transferring mechanism of a magnetic recording/reproducing apparatus which transfers a magnetic head. In the head transferring mechanism 17 in which a hold case 19 is hinge-connected to a rear end portion of a carri... | 10/27/1998 |
| 5654852 | Stopper mechanism in a floppy disc apparatus In a transportation or in an accident, the carriage of a floppy disc apparatus has a chance to collide with the stopper mechanism of the apparatus. A shock absorbing mechanism is provided in the stopper mechanism to avoid damage from the shock.... | 08/05/1997 |
| 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 |
| 5305165 | Tribo-attractive contact data storage system A contact magnetic storage system in which the slider, which supports the magnetic read/write head, is in physical contact with a rigid magnetic storage medium during system operation at a selected operating speed. The slider material has a load versus fr... | 04/19/1994 |
| 5291361 | Disk drive with low elevated head unloading mechanism A disk drive for recording data to or reproducing data from a disk includes a head for writing the data into or reading the data out of the disk by sliding on the disk or gliding over the disk. An arm member holds the head which is supported by an elastic... | 03/01/1994 |
| 5243591 | Protecting a read/write head from damage A disk storage device, such as a magnetic disk storage device, for reading data from and writing data to a magnetic data storage disk includes a spindle onto a base for rotating the magnetic storage disk and a read/write head for reading data from and wri... | 09/07/1993 |
| 5144509 | Double-side magnetic recording-reproducing apparatus with fixed position magnetic heads A double-side magnetic recording-reproducing apparatus, wherein a top magnetic head and a bottom magnetic head are respectively provided upwardly and downwardly of a magnetic recording medium to be rotated by a spindle motor, and magnetic recording on the... | 09/01/1992 |
| 5136438 | Magnetic disk device having an auto-loading mechanism and a dust collecting mechanism A magnetic head device has a magnetic head slider by means of which information is recorded in and read from a magnetic recording medium. The magnetic head slider is supported by a supporting structure having an internal cavity, an opening formed in a por... | 08/04/1992 |
| 4884155 | Self-loading head assembly for disk drives A head assembly for use in connection with a disk storage unit in a digital data processing system. The head assembly maintains a bellows arrangement for loading the head, with air entrained with the disk during disk rotation filling the bellows to force ... | 11/28/1989 |
| 4816942 | Spring powered transducer retractor mechanism for data transfer apparatus In a data transfer apparatus such as a Winchester disk drive wherein a transducer or transducers fly over a magnetic disk surface or surfaces during data transfer therewith, a retractor mechanism is provided which coacts with a transducer positioning mech... | 03/28/1989 |
| 4777551 | Magnetic head supporting mechanism for flexible double-sided magnetic disks A mechanism for supporting magnetic heads has gimbal plates which support both magnetic heads in such a manner than the magnetic heads oppose to each other across a flexible double-sided magnetic disk. The magnetic heads are resiliently pressed onto the m... | 10/11/1988 |
| 4748522 | Magnetic head assembly having vibration controlling member Disclosed herein a magnetic head assembly including a carriage to which a magnetic head is mounted, a leaf hinge spring fixed to said carriage at an end portion thereof and an arm rotatably connected through said leaf hinge spring to said carriage. The im... | 05/31/1988 |
| 4725908 | Magnetic recording apparatus A magnetic head for recording information on both sides of a magnetic medium utilizing perpendicular recording has two similar head blocks disposed opposite to each other. The magnetic medium having recording films on its both sides is placed between the ... | 02/16/1988 |
| 4710833 | Floppy disk r/w head assembly Floppy disk transducer heads 5a, 5b are mounted by gimbal springs 6a, 6b to facing sides of a radially movable carriage 9 and a loading arm 7 pivotally mounted to the carriage and biased theretowards by a flexible spring blade 8. An abutment stop 18 upsta... | 12/01/1987 |
| 4710836 | Magnetic head A magnetic head having an upper head and a lower head disposed opposite to each other and capable of simultaneously reading information from or writing information in both sides of a magnetic disc inserted therein. The upper head is fixed to a wingable ar... | 12/01/1987 |
| 4704646 | Twist preventing mechanism for leaf hinge spring in a magnetic head assembly A magnetic head assembly is provided which comprises a carriage on which a magnetic head is mounted and an arm connected pivotably via a leaf hinge spring to the carriage. In each portion on the sides of a base end portion of the arm putting widthwisely t... | 11/03/1987 |
| 4703375 | Low mass tricomplaint recording device for double sided floppy disk media An improved magnetic head carriage and support apparatus including a carriage body a lower head supporting arm affixed to the carriage body and carrying a gimbaled mounted lower head, an upper arm pivotally connected to the carriage body and movable betwe... | 10/27/1987 |
| 4670804 | Expandable suspension for a read/write head in a disk file A suspension for an air-bearing slider 32 in a data recording disk file is an envelope 30 which expands when pressurized air enters the envelope interior. The envelope 30 includes a pair of flat flexible sheets 50, 52, preferably of polyimide, which are s... | 06/02/1987 |
| 4658315 | Magnetic head mounting device of magnetic recording apparatus A magnetic head mounting device of a magnetic recording apparatus including a carriage, a first magnetic head supported by the carriage, a head arm supported by the carriage for movement in a vertical direction, and a second magnetic head supported by the... | 04/14/1987 |
| 4630155 | Magnetic head shifting means for flexible disk memory system A magnetic head shifting apparatus for flexible disk memory system wherein kinetic energy of an arm is absorbed by means of a cushioning material interposed between the arm and an abutment of a shackle rod thereby to reduce a transient period of time whic... | 12/16/1986 |
| 4423449 | Movable magnetic head block assembly for a double sided flexible disk storage device Disclosed is a movable magnetic head block assembly for a double sided flexible magnetic disk storage device, wherein a pair of mutually opposed disk contacting surfaces, at least one of which comprises an electromagnetic transducer head, are in contact u... | 12/27/1983 |
| 4387409 | Magnetic head arm mounting apparatus An apparatus for mounting of magnetic head arms on a head carriage in a disc drive memory system. The magnetic head arms are held firmly in place by clamping slug and bolt assemblies which are mounted through the head arm channel walls. The apparatus incl... | 06/07/1983 |
| 4343025 | Transducer arm assembly for floppy disk An electromagnetic transducer assembly includes a carriage 30 carrying a first transducer 33 projecting therefrom and a load arm 35 carrying a second transducer 32 arranged for gimballing movement about a pair of mutually perpendicular axes, the arm being... | 08/03/1982 |
| 4327388 | Transducer-carriage assembly with spring suspension A carriage assembly for holding a pair of opposite transducers in contact with the opposite sides of a flexible magnetic disk including a swing arm for carrying each of the transducers. E-shaped leaf springs support the swing arms with respect to a carria... | 04/27/1982 |
| 4141049 | Loading mechanism for negative pressure sliders In a disk file, a mechanism places the magnetic transducer into and out of a transducing position by using the air flow generated in the file by the rotating disk. The magnetic head is biased out of contact with the magnetic disk media. As the disk media ... | 02/20/1979 |
| 3990109 | Multiple flexible record storage disk apparatus having an access arm with enhanced disk stabilizing features An access arm for use in a flexible magnetic disk pack for a magnetic disk storage apparatus having a wedge-shaped hollow body with a lower horizontal confining surface supporting a magnetic head and an upper confining surface arranged at an angle thereto... | 11/02/1976 |
| 3975769 | Storage device utilizing flexible magnetic disks A magnetic storage device having a stack of spaced flexible magnetic disks and an access arm carrying a magnetic transducer moveable between adjacent disks in the stack for accessing the disk surfaces. The access arm is blunt on one side edge and is sharp... | 08/17/1976 |
