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| Number | Title | Issue Date |
| 5793580 | Mechanically actuated head cleaner for magnetic tape drive A mechanically operated cleaning apparatus is provided for a magnetic tape drive of the type which has a tape cartridge transport device. Reciprocal movements of the cartridge transport device actuates movements of the cleaning apparatus which causes a cl... | 08/11/1998 |
| 5793553 | Method and assembly for increasing storage device reliability The invention increases the reliability of a data storage device. The data storage devices contain a memory element disk, containing data, the memory element disk being rotatably mounted about an axis, a transducer head, an actuator for moving the transdu... | 08/11/1998 |
| 5777829 | Method and apparatus for providing electrostatic discharge protection for an inductive coil of a magnetic transducer Electrostatic discharge protection for an inductive coil in a magnetic head of a disk drive. Structures are provided to dissipate electrostatic charges which may arise between the leads of the inductive coil or between the inductive coil and one of the po... | 07/07/1998 |
| 5768059 | Head load/unload and cleaning in a data storage device In a magnetic disk drive heads are loaded and unloaded onto the magnetic disk by wings attached in close proximity to the magnetic heads. The wings ride on opposed profiles to separate the heads so that they can travel on either side of the disk and the h... | 06/16/1998 |
| 5757590 | Fusible-link removable shorting of magnetoresistive heads for electrostatic discharge protection In a magnetic read/write assembly, a removable fusible-link shorts the magnetoresistive (MR) sensor element to minimize electrical current through the MR sensing element during discharge of static electricity. Other magnetic head assembly elements such as... | 05/26/1998 |
| 5757591 | Magnetoresistive read/inductive write magnetic head assembly fabricated with silicon on hard insulator for improved durability and electrostatic discharge protection and method for manufacturing same A magnetoresistive read/inductive write magnetic head assembly formed on a hard electrically insulating substrate and having electrostatic discharge protection comprises: a hard electrically insulating substrate, preferably formed of sapphire or alumina-T... | 05/26/1998 |
| 5751529 | Magnetic head protection for a cartridge tape drive A tape drive having a protection barrier to keep improperly inserted tape cartridges from damaging the read/write head. In a first embodiment of the invention, a short protection wall is positioned in front of the read/write head. This protection wall pre... | 05/12/1998 |
| 5748418 | Magnetic tape recording head cleaning apparatus The present invention provides an apparatus using dry cleaning techniques for cleaning a read/write head of the contact transducing type such as found on computer data backup tape drive systems. The apparatus includes a housing enclosing a supply reel hol... | 05/05/1998 |
| 5745320 | Apparatus for cleaning heads of a rotary drum in a recording and/or reproducing apparatus Very small grains (103) are attached to a cleaning roller (100) made of a porous and flexible material such as a polyurethane foam or the like. In a magnetic head cleaning apparatus in which the cleaning roller that is brought in rotatable contact with a ... | 04/28/1998 |
| 5742461 | Cleaning cartridge for a tape drive A cassette for cleaning the capstan and read/write head of a tape drive. The capstan drives a mechanism for cleaning the read/write head, while a cleaning pad simultaneously engages the capstan from the side. As the cleaning cassette is inserted into the ... | 04/21/1998 |
| 5738565 | Device for cleaning computer heads A cleaning device for the heads of a Personal Computer is in the form of a diskette insertable in a disk drive of the computer. The diskette is provided with a pair of superimposed abrasive disks each of which rubs against one head of the computer when th... | 04/14/1998 |
| 5729395 | Video tape recorder with liquid crystal display projector having a head drum with fins A Video Tape Recorder (VTR) with a liquid crystal display (LCD) projector free from a radiating blower is disclosed. The VTR with LCD projector includes a plurality of fins positioned on a top surface of a rotary head drum for generating air currents duri... | 03/17/1998 |
| 5729398 | Head cleaning device A head cleaning device for use in a magnetic recording and reproducing apparatus comprises a cleaning roller in which a lubricant with an excellent lubricating action under low humidity conditions impregnates the soft material. This lubricant compensates ... | 03/17/1998 |
| 5723198 | Multi-layered magnetic recording medium and magnetic recording system employing the same In a magnetic recording system including magnetic recording media, a rotation driving unit for driving these magnetic recording media, read/write magnetic heads, driving apparatus for driving these read/write magnetic heads, and a read/write signal proces... | 03/03/1998 |
| 5710684 | Cleaning mechanism for a magnetic head and a method of producing a cleaning brush having brush pieces integrally molded with a resin block In a cleaning mechanism for a magnetic head which mechanically cleans a recording/reproducing face of a magnetic head by using a cleaning brush, a basal portion of which is supported by a device fixing portion, a resin block is fixed to an end portion of ... | 01/20/1998 |
| 5703742 | Universal cassette cartridge A tape driving cleaning cartridge having a housing with recognition openings, a slide mechanism slidably movable to cover one recognition opening while leaving the other open. The slide mechanism is manually movable between the two positions. If additiona... | 12/30/1997 |
| 5702800 | Abrasive tape for magnetic information reading apparatus for photographic use, abrasive tape package, and a method for cleaning the apparatus An abrasive tape for cleaning a magnetic information reading apparatus for photographic use. The tape comprises an abrasive layer including an abrasive and a binder and a support therefor. The support havs a characteristic thickness between 40 μm and 180... | 12/30/1997 |
| 5701224 | Rotary head cleaning apparatus and method of controlling same A magnetic recording-reproducing apparatus is disclosed, in which a control unit operates a cleaning mechanism at a pre-set time or pre-set time intervals, a rotary head cleaning apparatus can clean the head even during a long-time recording or reproducin... | 12/23/1997 |
| 5698860 | Edge position sensor for magnetic tape using light pipes A position sensor for providing an electronic output indicating the magnitude of transverse movement of an edge of a magnetic tape. A first light pipe and lens arrangement is used to deliver light to one side of a tape. A second light pipe with a small li... | 12/16/1997 |
| 5694263 | VCR head cleaning system that automatically detects head clogging upon playback An ATF error signal is formed from a reproduction RF signal and supplied to an ATF discriminating unit 4 through an A/D converter by an ATF error arithmetic operation unit 1. The presence or absence of an ATF component is discriminated and supplied to a c... | 12/02/1997 |
| 5671108 | Tape drive cleaner An apparatus for cleaning a tape drive unit having a read and/or write head and a capstan is disclosed. The apparatus includes a housing, a drive mechanism, and a cleaner arm. The drive mechanism includes a drive wheel, a drive gear, an intermediate gear,... | 09/23/1997 |
| 5650897 | Thin film magnetic head including lightning arrester and process for making the same A method for pattern-etching thick alumina layers in the manufacture of thin film heads (TFH) by using compatible metallic mask layers and a wet chemical etchant. The deep alumina etching facilitates a studless TFH device where the coil and bonding pads a... | 07/22/1997 |
| 5638237 | Fusible-link removable shorting of magnetoresistive heads for electrostatic discharge protection In a magnetic read/write assembly, a removable fusible-link shorts the magnetoresistive (MR) sensor element to minimize electrical current through the MR sensing element during discharge of static electricity. Other magnetic head assembly elements such as... | 06/10/1997 |
| 5638236 | Tape cartridge having a single use cleaning leader which utilizes rupturable pouches of cleaning solvent A tape having a first portion (preferably a magnetic tape portion for recording video, audio, or computer data), and a cleaning leader attached to the first portion, and a tape cartridge including such a tape. The leader includes one or more cleaning solv... | 06/10/1997 |
| 5633068 | Abrasive tape having an interlayer for magnetic head cleaning and polishing An abrasive tape is disclosed, comprising a flexible support having thereon an abrasive layer containing mainly an abrasive particle and a binder resin, wherein said abrasive layer has a thickness of from 0.3 to 10.0 μm, an interlayer is provided between... | 05/27/1997 |
| 5624730 | Magnetic head A magnetic head is manufactured by the steps of accommodating a core chip blank into an elongated hole provided in a slider blank, joining the core chip blank and the slider blank together with glass and then grinding the surface to form a surface which m... | 04/29/1997 |
| 5618639 | Magnetic recording medium and magnetic recording apparatus A magnetic recording medium used in a magnetic recording apparatus has a non-magnetic substrate, a magnetic film formed on the substrate, an optional protective film formed on the magnetic film and a lubricating layer formed on the top surface of the medi... | 04/08/1997 |
| 5617279 | Magnetic head with multi-layer magnetic shielding member surrounding a core and coil A magnetic head for floppy discs has a shielding member surrounding a core and coil of the head so as to prevent the head from being adversely affected by an external magnetic field. The shielding member is a stack of sheets and each sheet is made of magn... | 04/01/1997 |
| 5612830 | Method and apparatus for cleaning disks upon reaching a disk drive start-stop cycle threshold The back edge of a disk drive slider is used to remove debris from disk media by slowly sweeping it from the inner diameter of the disk to the outer diameter of the disk while the disk is rotating backwards from normal. The sweeping operation is completed... | 03/18/1997 |
| 5611826 | Abrasive tape An abrasive tape comprises a flexible substrate and an abrasive layer, which is overlaid on the flexible substrate and which primarily contains fine abrasive grains and a binder resin. The thickness of the flexible substrate falls within the range of 3 μ... | 03/18/1997 |
| 5602705 | Head cleaning device A head cleaning device for use in a magnetic recording and reproducing apparatus comprises a cleaning roller in which a lubricant with an excellent lubricating action under low humidity conditions impregnates the soft material. This lubricant compensates ... | 02/11/1997 |
| 5600510 | Disk apparatus with shielding member in a head moving range A disk apparatus includes a rotatable disk having at least one recording surface, a head for reading or writing information from or to the rotatable disk, a head drive for moving the head across the recording surface of the rotatable disk within a head mo... | 02/04/1997 |
| 5566038 | Thin film magnetic head having core to coil over-voltage protection A thin film transducer having electrical connections for the discharge of electrostatic charges between coil and core is disclosed. The invention provides for conductive surfaces electrically connected to the coil and core, respectively. These surfaces ar... | 10/15/1996 |
| 5552950 | Direct access storage device with magneto-resistive transducing head apparatus and a common read return signal line A direct access storage device includes at least one disk mounted for rotation about an axis and having opposed disk surfaces for storing data. A magneto-resistive (MR) transducer head is mounted for movement across each respective disk surface for writin... | 09/03/1996 |
| 5546257 | Protection and cleaning device for a disk drive A non-rotational, air filtering, head cleaning, and head cushioning device for a disk drive comprising a member and rigid support structure adapted to allow insertion of the device into a disk drive. The member, preferably comprising urethane-impregnated ... | 08/13/1996 |
| 5541794 | Magnetic tape recording head cleaning apparatus The present invention provides an apparatus using dry cleaning techniques for cleaning a read/write head of the contact transducing type such as found on computer data backup tape drive systems. The apparatus includes a housing enclosing a supply reel hol... | 07/30/1996 |
| 5535078 | Magnetic multi-track read/write head with recessed core gap structure and shield arrangement A read/write head is used with high coercivity and low coercivity magnetic stripe in multiple-track applications. The read/write head includes a plurality of inductively wound read/write gapped cores with a recessed core gap structure, and further include... | 07/09/1996 |
| 5523913 | Head cleaning system of a video cassette recorder having double head cleaning rollers alternately used A head cleaning system of a video cassette recorder comprises a couple of head cleaning rollers rotatably connected to two respective divergent ends of a lever. The lever has a convergent end opposite to the divergent ends and is mounted on a pivot. A sli... | 06/04/1996 |
| 5515223 | Cleaning cassette for magnetic heads A cleaning cassette for magnetic heads in a cassette drive includes at least one container with cleaning fluid, comprising an at least partially flexible hollow body, at least one valve device and at least one feed channel for the cleaning fluid to the cl... | 05/07/1996 |
| 5510168 | Magnetic recording medium and magnetic recording method A magnetic recording medium comprises a support and provided thereon, a magnetic recording component layer which comprises an uppermost layer containing a ferromagnetic metal powder and a binder, a thickness of said magnetic recording component layer bein... | 04/23/1996 |
