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| Number | Title | Issue Date |
| 7751148 | Multi-level, multi-track magnetic recording head In at least one embodiment, a magnetic recording head comprising first and second linear levels of magnetic recording devices is provided. Each device in the first linear level is aligned adjacently in a row and is spaced apart from another device in the first linea... | 07/06/2010 |
| 7567409 | Multilayer narrow pitch tape head array The structure for a narrow pitch tape head array is disclosed. Narrow pitch is obtained by offsetting the location of the write gaps of successively stacked coplanar head arrays. A compact structure with lower fabrication cost is obtained by sharing magnetic pole la... | 07/28/2009 |
| 7359156 | Magnetic tape head system method specifying parameters for near-constant resolution at varying tape velocities A magnetic tape head system and associated method are disclosed. Included is one or more head assemblies each including a base with a row bar coupled thereto with a head situated therein for defining a tape bearing surface defining a tape wrap angle with respect to ... | 04/15/2008 |
| 7342748 | System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads The invention provides a system comprising a non-linear array of magnetoresistive (MR) heads arranged in a two-dimensional matrix for reading information stored on magnetic media. The non-linear array of MR heads may comprise a planar array formed by a plurality of ... | 03/11/2008 |
| 7280029 | Laminated ferrimagnetic thin film, and magneto-resistive effect element and ferromagnetic tunnel element using this thin film A laminated ferrimagnetic thin film consists of two ferromagnetic layers and a non-magnetic intermediate layer sandwiched therebetween. The respective ferromagnetic layers are magnetically coupled in an anti-ferromagnetic manner through the non-magnetic intermediate... | 10/09/2007 |
| 7265940 | Magnetic tape head having offset recording/ reproducing sections for simultaneous recording/ reproducing on adjacent tape tracks There is provided a tape recording system and head device. A tape recording system and head device include a plurality of recording sections for recording data signals on a recording medium wherein one recording section of the plurality of recording sections and ano... | 09/04/2007 |
| 7206170 | Thin film servo head apparatus with canted servo gaps A thin film servo head apparatus is described that provides verification of time-based servo marks on a magnetic tape. The thin film servo head apparatus includes a plurality of thin film servo heads formed in a substrate. The substrate is canted such that servo gap... | 04/17/2007 |
| 7116522 | System and method related to a flexible circuit A tape drive comprises a magnetic head and a flexible circuit coupled to the magnetic head. The flexible circuit comprises a rolling loop and a double layer portion that extends at least partially through the rolling loop. ... | 10/03/2006 |
| 7095582 | Magnetic tape drive A magnetic tape drive has a servo head for performing the tracking control and a head unit. The head unit includes a recording head group composed of a plurality of recording heads, which are lined up along the width directions with respect to a magnetic tape. In th... | 08/22/2006 |
| 7082013 | Method and apparatus for embedding a chip in a substrate to form a composite air bearing surface A method and apparatus for embedding a chip in a substrate to form a composite air bearing surface. An example of the method includes securing the substrate in a fixed position, aligning the chip in a first direction with a chip receiving slot in the substrate, depo... | 07/25/2006 |
| 7075752 | Magnetic head apparatus, magnetic reproducing method, and magnetic reproducing apparatus in linear tape system A linear tape system has a multi-reproducing head MRh comprising a plurality of reproducing heads Rh each of which corresponds to one recording track Tr. Each reproducing head of the multi-reproducing head is arranged with a displacement in a width direction of the ... | 07/11/2006 |
| 6972931 | Write/read head assembly with wear parts A read/write head of a magnetic tape drive is provided, where the matrix write head is provided as a part of an overall flat structure that utilizes the atmospheric pressure to hold the tape against the operational surface of the write head. The read head portion is... | 12/06/2005 |
| 6970325 | Magnetic head apparatus, magnetic reproducing method, and magnetic reproducing apparatus in linear tape system A linear tape system has a multi-reproducing head MRh comprising a plurality of reproducing heads Rh each of which corresponds to one recording track Tr. Each reproducing head of the multi-reproducing head is arranged with a displacement in a width direction of the ... | 11/29/2005 |
| 6819528 | Asymmetric servo reader placement in bi-directional tape head A magnetic tape head assembly comprised of read and write elements and servo readers placed asymmetrically about the center of the head taken perpendicular to the direction of tape motion is provided. The tape head is capable of reading and writing in two directions... | 11/16/2004 |
| 6778361 | Non-symmetric helical scanner architecture for high track density A scanner (3-85, 8-85, 9-85) for use in a helical scan magnetic transducing apparatus has a periphery upon which plural read tranducing elements (3-82) and plural write transducing elements (3-80) are mounted non-symmetrically. The plural write ... | 08/17/2004 |
| 6697231 | Thin film magnetic head and rotary head assembly using thin film magnetic heads A thin film magnetic head includes a head element portion stacked on a side surface of a substrate having two opposed planes, two opposed side surfaces intersecting the planes, and a tape slide surface provided at one end portion of the planes and the sid... | 02/24/2004 |
| 6563675 | Magnetic head unit A pattern of lead terminals 22 is formed on a side face of a head body 4 provided with reproduction magnetic heads 9 each being formed with a magnetic gap 11 for reproducing at least an information signal, etc., recorded on a magnetic recording medium, an... | 05/13/2003 |
| 6522499 | Magnetic head and magnetic head assembly with conductive spring members The present invention provides a magnetic head including a plurality of magnetic head elements disposed on a head support in a direction across a magnetic tape and a plurality of connection terminals disposed on the head support, for each of the magnetic ... | 02/18/2003 |
| 6424496 | Variable width flat tape head for bi-directional contact recording and method for making the same A variable width flat tape head for bi-directional contact recording and method for making the same has significant advantages over both traditional contoured tape heads and single width flat heads for contact recording applications. The variable width he... | 07/23/2002 |
| 6388836 | Magnetic shield for a tape drive read/write head A tape drive read/write head assembly that utilizes a magnetic shield to help protect the head from any magnetic flux that strays from the tape drive's motor. The head assembly includes a voice coil motor, a transducer head (typically a read/write head), ... | 05/14/2002 |
| 6335839 | Magnetic head device including a playback head and a recording head maintaining contact with a film A magnetic head device for reading and recording information from a magnetic recording section of a photographic film has a recording head and a playback head. The playback head and recording head are adjacently positioned by a head base plate. The head b... | 01/01/2002 |
| 6307718 | Tape head positioning device for adjusting azimuth head tilt A magnetic tape head tilting mechanism for tilting the magnetic head to a desired azimuth angle. The azimuth tilting mechanism uses a worm gear and worm, driven by a stepper motor, which automatically adjusts the position of the magnetic head during recor... | 10/23/2001 |
| 6130804 | Four channel azimuth and two channel non-azimuth read-after-write longitudinal magnetic head A read-after-write head for four channel azimuth recording in one mode of operation and two channel non-azimuth recording in another mode of operation. Four forward write head gaps, four read head gaps, and four backward write head gaps are geometrically ... | 10/10/2000 |
| 5774306 | Multi-channel, high speed, tape head contour A magnetic tape head includes a body having a leading edge, a trailing edge and first and second side edges. A raised leading rail, a raised trailing rail and a raised center rail are positioned on the body and extend between the first and second side edg... | 06/30/1998 |
| 5721652 | Roll stabilized, nesting VEE, magnetic head assembly for magnetics-on-film A magnetic read/write head suspension assembly and support roller particularly for use for recording and reading information on a magnetics-on-film (MOF) layer outside the image area of photographic filmstrips. The filmstrip is pressed against the support... | 02/24/1998 |
| 5592351 | Low profile enclosure and mechanism for a single channel head 8mm tape drive A one inch high tape drive which can play a tape that is 0.315 inches (8 millimeters) wide. The tape drive includes a head that is defined by a first edge, a second edge and a centerline that is equal distance from each edge. The head is typically 0.64 in... | 01/07/1997 |
| 5471355 | Magnetic head and a digital recording magnetic head A magnetic head comprises a head base (56), and a pair of magnetic head chips (57, 58) of different azimuth angles (θ1, θ2) disposed on the head base (56). The pair of magnetic head chips (57, 58) are disposed in a stepped arrangem... | 11/28/1995 |
| 5289328 | Method and apparatus for variable density read-after-writing on magnetic tape A magnetic tape read/write head for variable track density forward and backward writing and checking after writing, incorporating a read gap and two larger write gaps arranged off center from the read gap on the axis of tape motion. Each pass of one of tw... | 02/22/1994 |
| 5247411 | Multiple-channel magnetic head having plural magnetic head tips mounted on a single head base In the magnetic recording characteristics of recording apparatus, when there are three or more magnetic tips disposed on one head base, the extension lines in the depth direction of the head tips pass through the central line of the cylinder. The both out... | 09/21/1993 |
| 5079658 | Double-head magnetic transducer assembly for helical scan type tape recorders A double-head magnetic transducer assembly for use in a helical scan type tape recorder which comprises first and second magnetic heads secured to a head base so as to be successively arranged in spaced relationship to each other in the direction of trans... | 01/07/1992 |
| 5068760 | Thin film magnetic head for a bidirectionally moveable recording medium A thin film magnetic head includes first and second head chips, each of the head chips having a substrate, a reproducing head portion and a recording head portion provided in a side edge portion on the substrate, and a protecting plate covering the reprod... | 11/26/1991 |
| 4860132 | Rotatable head assembly with offset sub-head gaps A rotatable magnetic head assembly for use in a magnetic tape recording/play-back device of the helical scanning type, the assembly comprising two diametrically oppositely located magnetic transducing heads (12, 12'). In order to enable recording of a num... | 08/22/1989 |
| 4695909 | Magnetic head assembly A magnetic head for recording and reproducing information on and from a flexible magnetic recording tape. The active face of tape supporting protrusions formed in the magnetic head is so configured that the contacting area between the supporting protrusio... | 09/22/1987 |
| 4511941 | Cassette tape apparatus with adjustable head positioning characteristics A cassette tape recording and/or reproducing apparatus has a rectangular chassis on which a cassette holder is pivotally mounted for angular movement relative to the chassis about an axis extending along one long side of the chassis between an inclined ca... | 04/16/1985 |
| 4463396 | Method for selecting any one of heads of a cassette tape recorder of automatic reverse type, and a head selection mechanism for its practice Any one of a number of heads of a cassette tape recorder of the automatic reverse type is selected by alternately bringing each of the magnetic heads into a position in which the magnetic head comes in contact with a magnetic tape, by pivoting a head leve... | 07/31/1984 |
| 4408240 | Multichannel magnetic head for a recorder-reproducer system In a multichannel head of the type wherein a plurality of transducers scan signal tracks of information across a magnetic tape within a system; and wherein each transducer includes a magnetic core having two pole pieces between which a gap is disposed whi... | 10/04/1983 |
| 4330805 | Tape recorder A tape recorder wherein one end of a tape FF lever is engaged with a pinch roller-supporting board when the tape FF lever is rotated for the fast forward (FF) or rewind (REW) run of a cassette tape to effect the rotation of the pinch roller-supporting boa... | 05/18/1982 |
| 4319293 | Head adjusting mechanism A head adjusting mechanism is disclosed which comprises a single, head adjusting leaf spring on which forward and reverse heads are alternately projected.... | 03/09/1982 |
| 4314296 | Transducer head mounting structures A mounting structure for a pair of transducer heads has a base and integral riser beam for forming a rigid inverted T-shaped structure wherein the riser beam extends perpendicularly to a midportion of the base. The transducer heads are mounted on opposite... | 02/02/1982 |
