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| Number | Title | Issue Date |
| 8154826 | Thin-film magnetic head with variable-volume cavity in medium-opposed surface Provided is a thin-film magnetic head in which the magnetic spacing can be appropriately controlled by dynamically and accordingly, by adjusting the pressure working between the thin-film magnetic head and the magnetic recording medium according to the change of con... | 04/10/2012 |
| 8054582 | Air bearing at opposite side of linear tape to support tape into contact with head slider A tape head and bearing assembly comprises an air bearing structure having a tape bearing surface with a plurality of openings therein configured to provide a continuous air bearing of pressurized air to support a linear tape moving along a path, the air bearing bei... | 11/08/2011 |
| 7869163 | Air bearing at opposite side of linear tape to support tape into contact with head slider A tape head and bearing assembly comprises an air bearing structure having a tape bearing surface with a plurality of openings therein configured to provide a continuous air bearing of pressurized air to support a linear tape moving along a path, the air bearing bei... | 01/11/2011 |
| 7153366 | Systems and method for forming a servo pattern on a magnetic tape The systems, methods and products of the invention include systems and methods for manufacturing servo tracks on a magnetic tape. In one aspect, the invention includes systems for manufacturing magnetic tapes having servo tracks thereon wherein the servo tracks are ... | 12/26/2006 |
| 7116520 | Guide roller and magnetic tape drive A clockwise helical groove is formed on the outer periphery surface of a rigid roller toward one end from the center position in the axial direction. A counter-clockwise helical groove is formed on the outer periphery surface of the roller toward the other end from ... | 10/03/2006 |
| 6744593 | Tape path for a cartridge tape drive A tape drive having a cartridge receiving area for receiving a cartridge containing a recording medium on a supply reel is disclosed. The tape drive has a take-up reel. The take-up reel includes a take-up rotatably mounted to the tape drive and a pair of flanges mou... | 06/01/2004 |
| 6151176 | Magnetic head attachment structure in a photographic film apparatus A magnetic head attachment structure for a photographic film comprises a head unit for supporting magnetic heads which read and/or write magnetic information to or from the photographic film. The magnetic head attachment structure also includes a pressure... | 11/21/2000 |
| 6140661 | Loader with a matching finger that loads a head gimbal assembly onto a disk A loader that loads a head onto a disk. The head is typically mounted to a flexure arm which has a rail. The rail may have a top edge. The loader has a finger which can engage the flexure arm at a location that does not make contact with the top edge of t... | 10/31/2000 |
| 5982592 | Magnetic tape stabilizer for a recording and playback device A recording and playback device utilizing magnetic tape, such as a tape cassette, as a recording medium includes a magnetic head arranged to contact one side of the magnetic tape and a stabilizer arranged positioned directly opposed the magnetic head corr... | 11/09/1999 |
| 5883768 | Recording medium orging pad A recording medium urging pad can urge a recording medium such as a magnetic tape against a recording and reproducing head stably and reliably. A head pad (10) fixed to a supporting member such as a leaf spring (9) comprises a first layer (10a) with a low... | 03/16/1999 |
| 5786949 | Magnetic transfer apparatus including a tape cleaning arrangement A magnetic transfer apparatus of a video software high-speed printing system is provided with a cleaning device which prevents breakdowns of the magnetic transfer apparatus caused by magnetic powder and the like adhered to a cleaning tape by effectively r... | 07/28/1998 |
| 5684661 | Magnetic head assembly and method for reading and/or writing data onto a thin magnetic layer placed on a photographic element A method and apparatus for reading and/or recording information on a photographic element having a thin magnetic layer. The apparatus includes a magnetic head assembly having a read and/or write head having an outer engaging surface for contacting the mag... | 11/04/1997 |
| 5576916 | Magnetic head-to-media backer device A magnetic head-to-media backer device for holding a spring member, the spring member being adapted to urge a flexible magnetic media into contact with a magnetic head, is described, in which the device has a frame for holding the spring member therein, t... | 11/19/1996 |
| 5563751 | Longitudinal bending interface for thick film magnetic recording A magnetic read/write head suspension assembly for achieving high magnetic head compliance with at least one edge track of the MOF layer of relatively stiff photographic filmstrips particularly during photofinishing operations. The filmstrip has an emulsi... | 10/08/1996 |
| 5561573 | Method of assembling a tape cassette and securing a plate spring and shield plate therein A method of assembling a magnetic tape cassette, and a cassette are provided in which a magnetic shield plate and a plate spring having a pad attached thereto are incorporated very easily into upper and lower cassette halves and are free from chattering. ... | 10/01/1996 |
| 5523897 | Tape duplicating system Master and slave tapes respectively move on a pinch roller from a first supply reel to a first take-up reel in a first cassette and on a capstan from a second supply reel to a second take-up reel in a second cassette. The pinch roller locked in a first po... | 06/04/1996 |
| 5488529 | Method for preventing deposition on magnetic head, and photographic film A photographic film for information recording 1 has a step difference 3 in the form of a projection on its surface adapted to be pressure contacted with a surface of a magnetic head 2 facing a recording medium. The film 1 also has a transparent magnetic l... | 01/30/1996 |
| 5420738 | Audio tape cassette comprising a felt pad and a magnetic tape having a specified back coat layer An audio tape cassette comprising a cassette shell, a pair of hubs which is rotatably positioned in the cassette shell, a magnetic tape which is wound around the hubs with its magnetic layer facing outward, guiding parts which are positioned in the casset... | 05/30/1995 |
| 5253132 | Cassette tape capstan drive with rocker above capstan for swinging pressure roller out of and into ready position and with magnet-force for pressure A tape drive mechanism for magnetic tape apparatus for tapes housed in cassettes has a pressure roller (29) at one end of a press-on lever (35) which is pivotally held on a drive shaft bearing (31) of a drive shaft (30) so that it can be inclined in a ver... | 10/12/1993 |
| 5253135 | Magnetic head having a tape sliding surface and projections formed on the tape sliding surface A magnetic head for recording information on or reproducing information from a magnetic tape which slides relative to a tape sliding surface of the head while being pressed against the tape sliding surface by a pad. The magnetic head has a pair of project... | 10/12/1993 |
| 5216563 | Reel spring structure for a video tape cassette An improved reel spring structure for rotatably supporting tape reel shafts of video tape cassette, the spring comprising an elongated strip of resilient material having a flat, central portion having a pair of holes symmetrically formed therein, first in... | 06/01/1993 |
| 5142427 | Magnetic transducer pressure pad A pressure pad for urging a document against a magnetic recording head has an elastameric belt with a low friction, wear resistant coating which urges the document against the head.... | 08/25/1992 |
| 5136448 | Tape cleaning apparatus having a cleaning blade contacted with the tape only when the associated tape recording and/or reproducing apparatus drives the tape at a normal speed A tape cleaning apparatus for a tape recording and/or reproducing apparatus prevents possible dropping of recording or a possible dropout during recording and/or reproducing operation of a tape while the tape is fed at a low speed and can protect the tape... | 08/04/1992 |
| 4962438 | Magnetic head mounting plate with tape movement limiting surface A magnetic-tape-cassette apparatus (1) includes a head-mounting plate (10) and a magnetic head (3) arranged on the head-nounting plate (10) and having a cylindrical tape-contact face (12) and an air gap (25). The magnetic head (13) forms part of a head un... | 10/09/1990 |
| 4922361 | Pressure pad, particularly for magnetic tapes The pressure pad comprises a support body defining folded portions adapted for connection to retention pins a magnetic tape cassette, and a region bearing a plurality of monofilaments. The monofilaments each have one end fixed to the region of the support... | 05/01/1990 |
| 4894737 | Magnetic head apparatus having projections extending from at least a front side thereof This invention proposes to form a pair of protruding or projecting stripe portions along the tape-gliding face of magnetic tape and to reduce the pad pressure to magnetic tape thereby reducing the gliding resistance of magnetic tape without increasing its... | 01/16/1990 |
| 4833556 | Low drag stabilizer device for stabilizing the interface between a transducer and a moving medium A ceramic stabilizer is shown for minimizing the drag experienced in a magnetic interface between the stabilizer and a rapidly moving pliable magnetic disk. The stabilizer includes a stabilizing block with an opening through which a magnetic head protrude... | 05/23/1989 |
| 4825317 | Mechanism for damping tape vibrations in a magnetic tape recorder A mechanism for use with a magnetic tape recorder having a tape drive composed of take-up and take-off reels, of buffer chambers allocated thereto, and a single tape capstan arranged between the buffer chambers and next to a write/read head. The tape caps... | 04/25/1989 |
| 4780782 | Magnetic tape backing leaf spring particularly for magnetic tape cassettes A magnetic tape backing leaf spring which includes a reed element comprising a working portion engageable directly with a tape and two supporting portions connected to the working portions by two stepped zones, the working portion getting elastically defo... | 10/25/1988 |
| 4747007 | Spring means for biasing a tape against a head inserted in a cassette A tape cassette has a housing and a pressure pad apparatus mounted within the housing for bringing a magnetic tape into direct contact with a magnetic head. The pressure pad apparatus includes a pad, a spring joined to the pad for imparting a pushing forc... | 05/24/1988 |
| 4679108 | Portable playback system with active tape drive tensioning feature The present invention generally relates to playback systems for monitoring the performance of cassette tape duplicating recorders and is specifically directed to a performance monitoring playback system including precision equalization circuitry and an ac... | 07/07/1987 |
| 4663687 | Magnetic tape drive with improved tape to head compliance Tape-to-head compliance in a bidirectional magnetic tape drive is substantially improved in both directions by pivotally mounting the pressure pads. Friction between the moving tape and the pressure pads causes the pads to rotate slightly, the leading por... | 05/05/1987 |
| 4639814 | Tape recorder with improved tape cassette pad shifter A magnetic head is fixedly mounted on the cassette holder in a cassette tape recorder. When a tape cassette is inserted into the cassette holder, a magnetic tape is brought into contact with the front face of the magnetic head through an access opening in... | 01/27/1987 |
| 4638387 | Composition for sliding contact part of recording/reproducing apparatus A recording/reproducing apparatus is disclosed, characterized in that a sliding contact part coming into sliding contact with a magnetic recording medium is provided at the upstream side, as determined by the running direction of the magnetic recording me... | 01/20/1987 |
| 4612593 | Tape pad for use in magnetic recording tape cassette A tape pad for use in a magnetic recording tape cassette for pressing the recording tape against the magnetic head of a tape recorder comprises a felt piece having the following characteristics: fulling density: 0.35 to 0.4 g/cm3 average diameter of... | 09/16/1986 |
| 4573095 | Magnetic tape backing leaf spring assembly particularly for compact cassettes A magnetic tape backing leaf spring assembly, particularly for compact cassettes, comprises an elastic reed and a low frictional coefficient block engaging therewith by means of a plurality of teeth projecting from the reed.... | 02/25/1986 |
| 4484242 | Tape guide for tensioning tape and regulating the running thereof in a small or mini-cassette A small or mini-cassette having a body containing rotatable laterally spaced reel hubs with a magnetic tape wound thereon, and guide elements permanently in the cassette body and leading the tape between the hubs in a run extending along the inside of a p... | 11/20/1984 |
| 4455579 | Apparatus for producing a color picture on recording paper Apparatus for producing a color picture on recording paper in response to a color video signal includes a cylindrical platen having the recording paper circumferentially embraced about at least a portion thereof; a multi-color tape of the thermal transfer... | 06/19/1984 |
| 4355339 | Transducer carriage assembly A carriage assembly for holding a pair of opposite transducers in contact with the opposite sides of a flexible disk including an arm carrying each of the transducers. A nominally flat leaf spring has the three-fold function of (1) providing a yielding co... | 10/19/1982 |
| 4330802 | Magnetic cassette tape record and play apparatus A magnetic cassette tape record and play apparatus wherein the magnetic head thereof is fixed, comprises a push member cooperating with an operation button and which is so disposed as to abut against a pad spring received in a tape cassette. When the tape... | 05/18/1982 |
