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Match Document Document Title
7031103 Hard disk drive having disk locking apparatus utilizing offset dummy slider/suspension arrangement  
A hard disk drive having a disk storing data, a spindle motor rotating the disk, an actuator having two arms disposed at both sides of the disk, and a disk locking apparatus locking the disk not to...
6487049 Drive heads for storage media drive with displaced pair of sensors  
A pair of opposing drive heads are positioned in a storage media drive to read and/or write a storage media interposed therebetween. Each drive head has a sensor face that includes first and second...
6445547 Magnetic disc device having head control mechanism capable of effecting head contact during high speed medium rotation  
When loading an upper head, it is brought into contact with a disc, with a lower head being in contact with the disc. In this process, the entire surface of the upper head which slides on the disc...
6243237 Disk drive apparatus  
A disk drive wherein a head raising and lowering arm is rotated around a pivot shaft of a slide plate by a cam action due to a cam groove of the head raising and lowering arm and a fixed guide...
6222703 Magnetic head for reading from and writing to a rotated magnetic disc in an elevated state produced by air flow and structure for supporting same  
A slider of a magnetic head is provided with first and second magnetic head parts, and a central groove so that first and second air bearing surfaces separate from each other are formed. An air...
5901019 Magnetic hard disk drive head suspension apparatus  
A magnetic disk storage device is provided in which two magnetic heads for reading and writing information to the adjacent surfaces of spaced disks are mounted on a single arm. The heads are...
5751518 Head feeding mechanism in magnetic recording and reproducing device  
A head feeding mechanism in a magnetic recording and reproducing device comprises: a "0" side carriage which has a "0" side magnetic head mounted on the surface of the front end portion thereof,...
5677812 Air bearing slider with variable sub-ambient pressure control  
An air bearing slider that maintains a relatively uniform flying height during variations in air speed and the skew of the slider. The slider has a raised rail disposed along the bottom surface of...
5485336 Magnetic recording and/or reproducing head with slider  
A magnetic head comprises cores made of a magnetic substance that forms a magnetic circuit via a gap when a magnetic flux is induced there. The magnetic head also comprises a plurality of coils...
5463512 Magnetic disk apparatus  
A magnetic disk apparatus having an upper head on a head arm and a lower head on a head carriage, the head arm is rotatably mounted between a lower position where the heads are able to write and...
5381289 Suspension for in-line offset head mounting  
Two HSAs are mounted to a single rigid actuator arm such that the HSAs interleave one another, with a transducer head of one HSA projecting through an aperture on the load beam of the other HSA....
5296990 Magnetic head assembly for double-sided disk  
A magnetic head assembly having two magnetic heads for use on two sides of a magnetic head and arranged so as to use one common circuit to process signals from the two magnetic heads and so that...
5218496 Magnetic disk drive with reduced disk-to-disk spacing and improved actuator design  
A magnetic disk drive employs a head actuator structure in which the heads are angularly offset from each other around the disk surfaces. This permits the disks to be more closely spaced in an...
5153793 Two-sided magnetic recording and reproduction device  
The two-sided magnetic recording and reproduction device according to the present invention is very simple in structure in which a single negative pressure generating type stabilizing plate is used...
5107384 Magnetic recording and reproduction device having opposed magnetic heads  
A magnetic recording and reproduction device having magnetic heads opposing each other across a magnetic disk. The heads have shaped control portions to generate a negative pressure between the...
5051854 Magnetic head device  
Disclosed herein is an improvement in a magnetic head device including a carriage, a lower head mounted to the carriage, an upper head arranged in opposed relation with the lower head, a rotating...
5027242 Magnetic disk apparatus having at least six magnetic disks  
A magnetic disk apparatus has a base member and a cover mounted on the base member to form an enclosure having at least six magnetic disks rotatably supported therein. First and second transducers...
5023735 Magnetic head support device with double gimbal structure  
A magnetic head support device is characterized in that a first magnetic head is supported such that it inclined with respect to a surface of a flop disk, and a second magnetic head is supported...
5012370 Head lifting and damper mechanism for disc drive unit  
A head lifting mechanism for disc drive units includes a head carriage on which a lower head is mounted, and a head arm which is pivotably supported on the head carriage and on which an upper head...
4972281 Magnetic head supporting device for flexible recording medium  
A magnetic head supporting device includes a carriage and a head arm mounted on the carriage to be movable between a loaded position and an unloaded position. Magnetic heads are mounted on the...
4967297 Magnetic disk head positioning device  
A magnetic disk driving device comprising a flexible disk-shaped magnetic recording medium; a first motor for rotating the magnetic recording medium; first and second head supporting members for...
4945436 Double-sided recording method using slanted guide plates upstream and downstream of recording heads  
A double-sided recording method comprising disposing first and second magnetic heads opposed to each other on opposite sides of a rotating flexible magnetic disk, and placing guide plates at the...
4939611 Vertical displacement limit stop in a disk drive for preventing disk surface damage  
A vertical displacement limit stop or a crash stop is provided in a disk drive for preventing contact of the work function members such as air vanes or the arms of an armstack, or the flexure...
4937693 Staggered heads for minimizing disk spacing in a disk drive  
A disk drive is provided in which the arm/head structures of the armstack are mounted in circumferentially spaced pairs, on individual projections of a rotatable actuator. The mounted pairs of...
4928196 Magnetic recording device using circumferentially offset heads with double sided media  
A pair of oppositely-disposed stabilizer devices support opposed magnetic heads for interfacing with opposite sides of a rotating magnetic disk. Each stabilizer device includes a block with an...
4907112 Recording/reproducing head providing evenly distributed contact pressure with magnetic medium  
A magnetic recording/reproducing apparatus for recording information on a disc-like recording medium and/or for reproducing the recorded information therefrom. The magnetic recording/reproducing...
4903156 Magnetic recording and/or reproducing apparatus having a head support mechanism for suppressing vibration of magnetic heads  
A magnetic recording and/or reproducing apparatus comprises a first magnetic head mounted on a carriage and a second magnetic head mounted on an arm which swings to and from the carriage, for...
4887176 Double-sided magnetic recording device supporting two transducers in fixed relation  
A double-sided recording device supports two transducers in fixed relation on opposite sides of a storage medium so that a fixed separation is maintained between the transducers. By making the...
4853813 Magnetic head supporting device  
In a magnetic recording device wherein a magnetic head is maintained in elastic contact with a recording medium, an improved magnetic head supporting device integrates a hinge, a swingably...
4849840 Carriage device for floppy disk apparatus having head arm with regulating material  
A carriage device of a floppy disk apparatus includes a carriage main body arranged for linear movement and a head arm extending parallel to the main body. The body and arm are formed of synthetic...
4841396 Double gimbal magnetic head supporting mechanism for a floppy disk drive  
A double-sided magnetic head supporting mechanism for reading and writing data on a floppy disk. One of the magnetic heads is mounted on either a carriage or an arm in a fixed state by a gimbal...
4835641 Magnetic disk apparatus  
A magnetic disk apparatus including a disc drive assembly for driving a magnetic disc and a head supporting assembly for supporting a plurality of magnetic heads at predetermined relationships with...
4831479 Pivot support structure for magnetic head assembly  
A magnetic head assembly comprises a carriage on which a first magnetic head is mounted for performing read/write with respect to one face of a disk, a second magnetic head also mounted on the...
4823217 Circuiting device  
A circuiting device comprising a flexible base member having end portions to be fixed, a movable portion therebetween and conductor patterns carried on the base member. Parts of the portions to be...
4811143 Head supporting mechanism for maintaining close operative relationship between magnetic heads and a flexible disk  
Leaf spring is fixed at one end thereto to a carriage, and extended at a predetermined angle to the carriage. A part of the leaf spring has rigidity. A gimbal spring, which free from the carriage,...
4809105 Flexible recording medium tensioning magnetic recording head  
A magnetic recording and/or reproducing device for recording information on a disc-like magnetic recording medium and/or reproducing the information from it, said magnetic recording and/or...
4800455 Magnetic disk drive having a magnetic-head with a head gap supported parallel to the moving direction of a magnetic-head positioning mechanism  
In a magnetic disk drive having a linear-moving type magnetic-head positioning mechanism, a head gap is formed to be parallel to a moving direction of the magnetic-head positioning mechanism, and a...
4740854 Flexure seat for a transducer head of a magnetic disk apparatus  
For resiliently supporting a transducer head on a carrier member, such as a head carriage or a load arm pivoted thereon, that is movable radially of a flexible magnectic disk, a flexure seat is...
4651245 Deflection limited magnetic head supporting structure  
A magnetic head supporting structure includes a stationary base, a movable arm which has its base end pivoted to the base and a spring for biasing the movable arm thereby allowing a free end of the...
4647998 Transducer head assembly  
A magnetic recording/reproducing unit comprises a magnetic head for recording or reproducing information on or from a magnetic recording medium, a pushing member provided opposite the magnetic head...
4595963 Flexible magnetic disc driving apparatus  
A flexible magnetic disc driving apparatus including a flexible magnetic disc driving portion, a flexible magnetic disc placed in a jacket having two windows formed thereon and two head mechanisms,...
4549239 Head carriage for use in a magnetic recording machine  
A head carriage for use in a contact-type magnetic recording/reproducing system, in particular a floppy disc system, comprises a carriage main body, a magnetic head fixedly mounted on the carriage...
4480281 System for mounting magnetic transducer means on opposite sides of a flexible rotating magnetic disc  
A pair of arms to be positioned one on each side of the flexible rotating magnetic disc. Each of the arms carries a magnetic transducer means which engages the surface of the magnetic disc for the...
4470088 Pivot suspension for head arm on disk drive  
An improved pivot arrangement for the arcuately movable transducer head support arm of a floppy disk drive, wherein the pivot comprises at least partially spherical bearing surfaces located between...
4379315 Carriage loading arm assembly having two magnetic transducers for a double sided floppy disc  
Apparatus for maintaining two magnetic transducers in operative relation with both sides of a rotatable flexible planar magnetic recording media is shown. The apparatus includes a carriage having a...
4328521 Gimbal spring retainer  
In a data processing device using flexible magnetic disc media, apparatus is disclosed for improved positioning of a magnetic read/record head against the recording surface of a magnetic disc. A...
4320426 Head assembly for recording on magnetic disc  
A pliant magnetic disc recording assembly having two adjacent transducer heads, with the center lines of the heads oriented at an angle to the axis of rotation of the magnetic disc and arcuately...
4309732 Transducer supporting assembly for double sided 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...
4306260 Dual magnetic head mount  
A magnetic head for recording and reproducing signals by the cores incorporated in two sliders disposed on both sides of a flexible magnetic disc, wherein the two sliders are supported respectively...
4263630 Uniformly loaded opposite magnetic transducer assembly  
A transducer assembly including a pair of transducers positioned directly opposite each other on the two faces of a flexible magnetic disk and a pair of gimbal springs each for supporting one of...
Matches 1 - 50 out of 55 1 2 >