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Class Information
Number: 360/121
Name: Dynamic magnetic information storage or retrieval > Head > Gap structure details > Plural gaps
Description: Subject matter including detailed structure of plural gap transducers.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
5764446 Magnetic head having an air bearing surface with short-resistant leads Jun. 9, 1998
5764449 Magnetic read/write head provided with coplanar connection faces Jun. 9, 1998
5751527 Magnetic tape head contour with land widths to optimize flying height and a sufficient number of bleed slots to uniformly maintain the flying height of the tape May. 12, 1998
5742457 Horizontal shared-pole magnetic read/write head having polarization conductor disabling write pole Apr. 21, 1998
5731938 Magnetic head device having increased dimensional accuracy and improved magnetic characteristics Mar. 24, 1998
5729413 Two-gap magnetic read/write head Mar. 17, 1998
5719729 Magnetic head and recording and reproducing apparatus having an arrangement for improving coincidence between a magnetic center of a read head and physical center of a write head Feb. 17, 1998
5703739 Composite magnetic head Dec. 30, 1997
5671106 Matrix magnetic recording/reading head Sep. 23, 1997
5644457 Multiple gap read/write head for data storage devices Jul. 1, 1997
5633771 Magnetoresistance effect type head and separate recording-reproducing type magnetic head May. 27, 1997
5629821 Magnetic head May. 13, 1997
5617269 System for recording track-centering servo signals on multi-track magnetic medium Apr. 1, 1997
5602703 Recording head for recording track-centering servo signals on a multi-track recording medium Feb. 11, 1997
5596463 Recording/reproduction apparatus with an integrated inductive write, magnetoresistive read head Jan. 21, 1997
5555043 Magnetics-on-film image area recording head and suspension system Sep. 10, 1996
5541793 Bidirectional thin-film magnetoresistive tape head assembly Jul. 30, 1996
5539598 Electrostatic protection for a shielded MR sensor Jul. 23, 1996
5537277 Magnetic head for use in converting a low track density disk to a high track density disk Jul. 16, 1996
5535079 Integrated thin film magnetic head Jul. 9, 1996
5506737 High-density electronic head Apr. 9, 1996
5497283 Magnetic head having coil bobbins separated from a terminal assembly Mar. 5, 1996
5493466 Composite thin film recording/reproducing head with MR reproducing head having greater track width than recording head Feb. 20, 1996
5488525 Decoupled magnetic head assembly for quarter-inch tape Jan. 30, 1996
5479309 Magnetic head having spacer assembly with laminate of magnetic and non-magnetic material Dec. 26, 1995
5477405 Plural track head magnetic recording/reproducing arrangement Dec. 19, 1995
5452165 Close packed magnetic head linear array Sep. 19, 1995
5450264 Magnetic head Sep. 12, 1995
5436780 Thin film magnetic head device Jul. 25, 1995
5434733 Planar head having separate read and write gaps Jul. 18, 1995
5420734 Multitrack read head having a matrix network of elementary magneto-resistive heads May. 30, 1995
5412516 Data storage system with a dual-gap head using a dual-mode flexible disk controller May. 2, 1995
5402295 Magnetic recording head capable of defining narrow track width and magnetic recording apparatus using the same Mar. 28, 1995
5398145 Tracking control apparatus including a servo head having a tapered transducing gap Mar. 14, 1995
5394285 Multi-track longitudinal, metal-in-gap head Feb. 28, 1995
5388325 Process for fabricating a magnetic head core slider Feb. 14, 1995
5371638 Servo method and apparatus for very high track density magnetic recording by adjusting head position based on servo information read from adjacent track Dec. 6, 1994
5359485 Magnetic head having a toothed core structure of a laminate type Oct. 25, 1994
5345354 Magnetic read/write head having a reduced thickness closure core Sep. 6, 1994
5345341 Method of manufacturing a replicated magnetic reproducing medium, such as a magnetic-tape cassette provided with a music recording, and magnetic replication head and replication arrangement fo Sep. 6, 1994
5321570 Systems using superimposed, orthogonal buried servo signals Jun. 14, 1994
5313342 Analog/digital compatible reproducing system May. 17, 1994
5309306 Complex magnetic head May. 3, 1994
5307217 Magnetic head for very high track density magnetic recording Apr. 26, 1994
5296990 Magnetic head assembly for double-sided disk Mar. 22, 1994
5296991 Magnetic head Mar. 22, 1994
5293031 Magnetic bar code reading system employing phase-shift type sensor having plural sensing sections Mar. 8, 1994
5293280 Magnetic recording and reproduction apparatus for data processing unit and magnetic tape for use in such apparatus Mar. 8, 1994
5289329 Composite type magnetic head and magnetic recording/playback apparatus adopting the same Feb. 22, 1994
5289328 Method and apparatus for variable density read-after-writing on magnetic tape Feb. 22, 1994

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