|
Match
|
Document |
Document Title |
|
|
7620519 |
Burn-in process of producing data correlating elevation of disk drive head to temperature and method of controlling the elevation of the disk drive head using the data
Data characterizing a read/write head of a hard disk drive is produced in a burn-in process. The method includes measuring the flying height of the head at a first temperature in a burn-in chamber,...
|
|
|
7359625 |
Recording medium with content stream data recorded thereon, recording apparatus, and reproducing apparatus therefor
A recording medium having content stream data recorded thereon and a recording and reproducing apparatus provided therefor. On the recording medium, content stream data is recorded as a stream...
|
|
|
6754028 |
Control integrated circuit for floppy disk drive
A control IC is mounted on a circuit board and is used for driving both a one-inch stepper motor and a half-inch stepper motor. The control IC includes at least a number of pads required for...
|
|
|
6650961 |
Disk cartridge data storage apparatus
Methods and apparatus for storing data which employ a hard disk memory media which is operably supported within a cartridge shell to form a disk cartridge. The disk cartridge can be employed in the...
|
|
|
RE37455 |
Axially compact direct drive for storage disk hub
An axial compact direct drive for a storage disk comprises a stator, a rotor carrying a hub for receiving storage disks and a bearing arrangement. The bearing arrangement is disposed at a radially...
|
|
|
6315452 |
Zero static-friction actuator pivot bearing for production disk drives
A hydrostatic bearing assembly, with an integral rotating-shaft hydrodynamic pump, adapted for use as a stiff zero static-friction actuator pivot bearing for the head-stack assembly of a disk drive...
|
|
|
6266677 |
System and method for ensuring the integrity of stored data
A system and method for determining when data stored in a data storage device is becoming unreliable. A list of trigger events is maintained, either on the media, or on a host processor, and the...
|
|
|
6103404 |
Laser textured magnetic disk comprising NiNb
A method for manufacturing a magnetic disk comprises the steps of depositing NiP (20) on a substrate (22); depositing NiNb (24) on the NiP; and laser texturing the NiNb. "Sombrero" shaped texture...
|
|
|
5985403 |
Magnetic recording medium and magnetic recording reproducer
A magnetic recording medium comprising a non-magnetic substrate and a magnetic layer and a protective layer which are formed on the non-magnetic substrate in that order, wherein a substance(s) as a...
|
|
|
5748600 |
Rotational optical head for optical recording medium
A pickup apparatus of an optical card has an improved data transfer efficiency and miniaturization and thin shape of the apparatus can be realized. The length of a line segment connecting a center...
|
|
|
5695864 |
Electronic device using magnetic components
In the present invention, electrons flow through a free or excitable magnet, or reflect from it, to make its magnetization respond. To accomplish this, the spin vectors of the flowing electrons are...
|
|
|
5627946 |
Hard disk format using frames of sectors to optimize location of servo bursts
A hard disk format is disclosed which sequentially arranges a number of different sector types, each having a different format, into frames which are repeated around the tracks of a magnetic disk....
|
|
|
5612834 |
Servo burst controller for a magnetic disk
A novel disk controller and method performed by a disk controller is disclosed which provides a highly efficient means of interrupting the reading or writing of a field in a sector on a magnetic...
|
|
|
5592348 |
Method and structure for locating and skipping over servo bursts on a magnetic disk
A novel disk controller and method performed by a disk controller is disclosed which provides a highly efficient means of interrupting the reading or writing of a field in a sector on a magnetic...
|
|
|
5452161 |
Flexible vane latch apparatus for a disk drive
An actuator assembly latching apparatus for a disk drive is realized with an elongated flexible vane disposed in proximity to a rotating disk. The rotating disk produces an airflow at different...
|
|
|
5319511 |
Aerodynamic actuator latch with magnetic return spring for hard disk drive
An aerodynamic actuator latch for a disk file uses a fringe field from permanent magnets of the actuator assembly to generate a reverse bias torque, in lieu of a separate return spring. The...
|
|
|
5296986 |
Rotary intertial latch for disk drive actuator to protect against rotational shock force
A rotary inertial latch is disclosed for maintaining the actuator of a disk drive in its proper position when the drive is not in operation.
|
|
|
5270879 |
Magneto-optical disk inspecting method and apparatus
This invention relates to a magneto-optical disk inspecting apparatus in which n pairs of a write head and a read head, and the area of the magneto-optical disk to be inspected is divided in n...
|
|
|
5245490 |
Disc recording and/or reproducing apparatus including a head positioning mechanism having a spiral cam for positioning a head at a reference position
A magnetic disc recording and/or reproducing apparatus in which a magnetic disc cassette containing a magnetic disc provided with a center hub is loaded so that the center hub engages with a rotary...
|
|
|
5060106 |
Disk cartridge including door opening mechanism and improved hub assembly
A disk cartridge having a housing in which a disk is rotatably mounted via a hub assembly. The housing includes two cover plates, each of which has a door aperture that is selectively covered by a...
|
|
|
5051677 |
Apparatus for processing rotary member
An apparatus for processing a rotary member, comprising: a rotational drive for driving the rotary member so as to rotate the rotary member about an axis of the rotary member; an encoder for...
|
|
|
5036416 |
Aerodynamically releasable lock for a disk file actuator assembly
An actuator lock for a disk drive in which fixed air vanes projecting between a adjacent disks divert air flow, generated by disk rotation, into a narrowing passage adjacent the disks to impinge...
|
|
|
5010426 |
Installation mechanism for removable computer drive module
An installation mechanism for a removable computer drive module with a handle operated automatically engaging dual rack and pinion device. The pinions are carried by the handle which is pivotally...
|
|
|
5001700 |
Disk clamp and centering apparatus for a beam addressable disk drive system
Apparatus for centering and clamping a disk on a spindle-drive is disclosed. A bistable magnetic clamp normally held in an axially offset position from the plane of the disk is preferentially drawn...
|
|
|
4912580 |
Information storage system with readily removable high capacity disk drive unit
A computer system providing for quick removal and quick and simple installation of a disk drive unit into the system. A latching and positioning arrangement provides releasable support for the disk...
|
|
|
4890175 |
Recording medium mounting means and recording or reproducing apparatus incorporating same
A recording or reproducing apparatus has a mounting member arranged at a recording medium receiving member. The mounting member press fits the recording medium onto the drive shaft of the apparatus...
|
|
|
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...
|
|
|
4823337 |
Device for recording information on or reading information from an information disc
Clamping device (21) for clamping an optical disc on a turntable comprises a disc-pressure means (23), a support (5) for the disc-pressure means, which support is movable between an operating...
|
|
|
4819100 |
Floating head slider device for magnetic disk apparatus
In a magnetic disk apparatus adapted such that a magnetic disk made of a hard disk type carrier with a magnetic recording region formed on the surface thereof is rotated in a high speed therein,...
|
|
|
4794587 |
Disk drive lock
A virgin disk is exteriorly secured across an open wall of a casing. When the disk is inserted in the slot of a computer and locked inside by a lever, the casing prevents access to the lever and to...
|
|
|
4792707 |
Disk tracking device
A tracking device has a linear motor having a driving coil, a speed sensor having a detection coil, and a moving member reciprocated in a predetermined range together with the driving coil and the...
|
|
|
4788671 |
Information recording and reproducing apparatus for effecting simultaneous recording and reproduction but at different rates
There is disclosed an information recording and reproducing apparatus which is provided with a disk-shaped recording medium having a recording face allowing information recording and reproduction...
|
|
|
4764831 |
Apparatus and method for retaining a head arm of a disk drive assembly
A disk drive which includes an automatic parking brake for retaining the driver arm in a predetermined position when power is removed from the disk drive. The brake is mounted externally to the...
|
|
|
4754397 |
Fault tolerant modular subsystems for computers
A fault tolerant computing facility is disclosed. The facility includes a housing array for containing a plurality of hardware element modules such as disk drives, a plurality of modularized power...
|
|
|
4740851 |
Disk drive with spicule member
A device for aligning a disk contained in a cartridge with a motor and transducer of a disk drive is disclosed. A record disk contained within a rigid apertured cartridge is inserted into a disk...
|
|
|
4739422 |
Magnetic recording apparatus
A magnetic recording apparatus including a base, a drive shaft mounted on the base for rotating a magnetic disc, a movable member adapted to reciprocate in a radial direction of the magnetic disc...
|
|
|
4725907 |
Carriage latch for a disc drive incorporating inertial lock-up
A dynamic latching mechanism for a disc drive includes a latch rotatable about a pivot which captures an extension on the carriage. The latch is mounted in a frame directly attached to the disc...
|
|
|
4724962 |
Disk jacket
A disc jacket, especially for a photo-magnetic disk which records, reproduces and erases information, has a single opening configured to receive both a recording head and a central spindle. The...
|
|
|
4710836 |
Magnetic head
A magnetic head having an upper head and a lower head disposed opposite to each other and capable of simultaneously reading information from or writing information in both sides of a magnetic disc...
|
|
|
4710831 |
Loading and unloading system for flexible disc drive apparatus
A recording and/or reproducing apparatus using a disc-shaped flexible record-bearing medium such as a disc-shaped flexible magnetic sheet, which includes a loading device for placing the medium at...
|
|
|
4692829 |
Magnetically biased aerodynamically released integral safety latch for rigid disk drive
An improved safety latch is provided for a data storage device, for locking the transducer carriage to restrain the data transducer to a predetermined landing zone during non-rotation of data...
|
|
|
4670802 |
System for controlling loading and ejection of recording medium on a disc unit
A disc unit for recording or reproducing information on or from a recording/reproducing disc loaded therein, in which the disc, which is inserted into the disc unit through an insertion opening...
|
|
|
4661868 |
Cassette loading mechanism with malfunction preventing means
A cassette handling apparatus having a main body part; a cassette receiving part arranged to be able to assume first and second states relative to the main body part; a moving member arranged to be...
|
|
|
4647997 |
Aerodynamic latch for disk file actuator
An aerodynamically powered release latch mechanism for a fixed disk data file is disclosed. An airflow generator disk is commonly journalled with a single data storage disk for generating airflow...
|
|
|
4641209 |
Disc type information storage and retrieval system
A disc type of information storage and retrieval system is disclosed herein. This system utilizes a cartridge type of information storage disc arrangement including a rotating disc and its own...
|
|
|
4620301 |
Recording disk drive unit
A turntable for placing a recording disk such as an optical information storage disk has a rotatable shaft to which an electrically conductive rotor is fixed. Inner and outer stators are disposed...
|
|
|
4603363 |
Stop mechanism using an elastomeric element
A soft-stop mechanism for the carriage of a rotating disk storage system is presented. The mechanism consists of an assembly which is affixed to a nonmoving member of the storage system and a...
|
|
|
4603362 |
Guiding and registering different thickness diskettes in a disk drive
Loading mechanism for a disk drive is designed to load and to center any one of several disk cartridges having various thicknesses so that the disk within the cartridge is registered in a...
|
|
|
4587645 |
Disc drive assembly
A venturi or other air deflecting means is provided on the inside of the casing of a disc drive. The venturi or air deflecting means is arranged so that air, which is caused to move by the rotating...
|
|
|
4586102 |
Track number indicator
In a magnetic disk cartridge, a dial member is rotatable relative to the cartridge housing to a plurality of positions for indicating the number of tracks recorded on a disk surface. A resilient...
|