Class 360/903 - Physical parameter (e.g., form factor)

Subclass of Class 360 - Dynamic magnetic information storage or retrieval
Definition: Subject matter comprising physical properties such as geometrical
No. of patents: 29
Last issue date: 02/02/1999

Number	Title	Issue Date
5867340	Microminiature hard disk drive with adaptive runout compensation Disclosed is a rigid disk drive information storage device which includes a rigid disk having an outside diameter in the range of about 33-34 mm., with a housing having a footprint that includes a width of about 35 mm. and utilizing a rotary actuator for ...	02/02/1999
5847896	Disk drive including sloped base and cover A low height disk drive having an overall height of approximately one inch (1"). The drive includes a head disk assembly, including a base plate, a disk rotatably supported on the base plate, a motor for rotating the disk, at least one head for reading in...	12/08/1998
5621582	Disk drive including a baseplate well for the spin motor A low height disk drive having an overall height of approximately one inch (1"). The drive includes a head disk assembly, including a base plate, two disks rotatably supported on the base plate, a motor for rotating the disks, at least two heads for readi...	04/15/1997
5293282	Multiple actuator disk drive A multiple actuator disk drive utilizes multiple heads, associated with respective ones of multiple actuators, to read data from and write data to all tracks on the surface of a disk. The positioning of each head by the respective actuator is controlled b...	03/08/1994
5264975	Magnetic disk storage device with the base provided by an electronic module substrate High density magnetic disk storage and semiconductor module technologies are combined to provide a disk drive using a standard multilayer ceramic substrate as the disk drive base support member to support spindle and actuator assemblies including 1 inch d...	11/23/1993
5251082	Miniaturized disk file pluggable into a card terminal A disk/file for magnetic recording having overall dimensions of one quarter inch thick by about the size of a standard credit card with pin connectors for connecting into a receptacle such as for pc boards. The file features a rotor mounted on the rims of...	10/05/1993
5223993	Multiple actuator disk drive A multiple actuator disk drive utilizes multiple heads, associated with respective ones of multiple actuators, to read data from and write data to all tracks on the surface of a disk. The positioning of each head by the respective actuators is controlled ...	06/29/1993
5119270	Data storage system with device dependent flow of cooling air A multimedia data storage system including a compartmentalized drawer which can be tailored to accommodate the differing cooling requirements of different device types thus allowing each device type to be mounted in any device position. A cover in the for...	06/02/1992
5089920	Loader mechanism for tape cartridge systems A data transfer system using cassettes with a tape drive is configured with a number of removable cassettes stored in front to rear alignment adjacent one side (e.g. the bottom) of the tape drive. Cassettes in a removable cassette tray in a magazine are d...	02/18/1992
5081552	Rigid magnetic disk drive head disk assembly and enclosure structure A structure and organization for a magnetic disk drive provides for optimizing the volumetric storage density within a device form factor by optimizing the number of disks. The spindle and dual rotary actuators are respectively supported at each side by a...	01/14/1992
5077736	Disk drive memory The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk driv...	12/31/1991
5065262	Removable and transportable hard disk subsystem A removable and transportable hard disk subsystem is provided for use with at least one computer and includes at least one hard disk module. The module contains a shock mounted, thin and compact micro-Winchester head and disk assembly which plugs into a b...	11/12/1991
5050016	Disk drive servo system using gain limited high-frequency track-following compensator The disk drive system includes an actuator, responsive to an adjustment value, for adjusting the position of a data head with respect to data tracks located on the surface of a disk, and a controller coupled to the data head and to the actuator. The contr...	09/17/1991
5043973	Disk centering method and apparatus for centering disks for disk drives A method of centering a disk on the rotational axis of a motor, the motor having a hub protruding into a center hole in the disk, and the disk having an outer diameter and an inner diameter, is provided. The method includes the steps of (a) placing a cont...	08/27/1991
5041924	Removable and transportable hard disk subsystem A removable and transportable hard disk subsystem is provided for use with at least one computer and includes at least one hard disk module. The module contains a shock mounted, thin and compact micro-Winchester head and disk assembly which plugs into a b...	08/20/1991
5038239	Integrated electronic card-frame assembly for a rigid disk drive A disk drive within the dimensional confines of a form factor can optimize volumetric density by using the full height dimension to house disks, but must thereafter utilize the remaining space for electrical components. The structure shown uses a stack of...	08/06/1991
5034834	Cassette loading apparatus According to this invention, drive posts (4) secured to a cassette holder (3) serving as a cassette loading apparatus for a VTR, for example, for horizontally holding a cassette slide in slide grooves (14) on arm levers (13) provided at arm gears (11), wh...	07/23/1991
5030260	Disk drive breather filter The magnetic disk drive chemical breather filter of the present invention affords protection with respect to chemical vapors and gases in addition to trapping particulate pollutants. The chemical filter as described, protects against both organic vapors a...	07/09/1991
5027241	Data head load beam for height compacted, low power fixed head and disk assembly A data transducer head mounting structure for a height compacted, low power head and disk assembly of a fixed disk data storage subsystem has an elongated load beam including a head arm attachment end region for attachment to an outward end of an acuator ...	06/25/1991
5025335	Architecture for 21/2 inch diameter single disk drive A two and one half inch form factor disk drive has a base and cover formed of molded plastic and engaged with each other by snap-fit connectors. The cover is molded from a plastic which is more flexible than that used for the base so that the cover compli...	06/18/1991
5025337	Recirculating air filter system for rotating disk drives A recirculating filter system is provided for a sealed magnetic disk drive by providing a cartridge housing that mounts a filter medium closely adjoining the disk stack and substantially concentric therewith. The frame that mounts the filter medium also s...	06/18/1991
5021906	Programmable air bearing slider including magnetic read/write element An air bearing slider according to the present invention provides a programmable slider wherein the fly height of the read/write head may be conveniently controlled using electrical signals. In an air bearing slider according to the present invention, the...	06/04/1991
5007037	Optical disk drive system utilizing electron trapping media for data storage An erasable optical disk drive system is disclosed which utilizes an electron trapping media coated on the disk surface to store data in the form of light energy. Data is written onto the disk, which is contained in a light-tight contamination-free enviro...	04/09/1991
5004206	Vehicle seat mounting structure A vehicle seat mounting structure includes a base, a seat mount, and a mechanism operably interposed between the base and mount for controlling relative motion thereof. The mechanism includes a platform, air springs to cushion roadway induced shock, and l...	04/02/1991
5005089	High performance, high capacity micro-winchester disk drive A micro-Winchester disk drive subsystem includes a data block sequencer, cache memory and interface for a host computing machine. The drive includes a base and a plurality of non-removable directly rotated disks forming data storage surfaces. A balanced r...	04/02/1991
4989205	Disk drive memory The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk driv...	01/29/1991
4989206	Disk drive memory The disk drive memory of the present invention uses a large plurality of small form factor disk drives to implement an inexpensive, high performance, high reliability disk drive memory that emulates the format and capability of large form factor disk driv...	01/29/1991
4933927	Disk centering method and apparatus for centering disks for disk drives A method of centering a disk on a disk drive motor with respect to the rotational axis of the motor and/or for balancing the disk to reduce operating vibration of the disk and motor assembly. The centering/balancing method is performed by placing a contac...	06/12/1990
4783705	High capacity disk file with embedded sector servo and SCSI interface A disk data storage subsystem includes a head and disk assembly. A plurality of sectors in data tracks include a servo portion containing a prerecorded pattern of a plurality of repeating, time staggered, non-phase-coherent bursts, each burst having a pre...	11/08/1988

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Class 360/903 - Physical parameter (e.g., form factor)