IP Library › Assignment 008744/0904

Patent Assignment

Reel/Frame 008744/0904

Release

Recorded: 1997-10-20 Pages: 34

View PDF Order Certified Copy

Assignor

QUANTUM CORPORATION

Executed: 1997-08-18

Assignee

CANADIAN IMPERIAL BANK, AS ADMINISTRATIVE AGENT

425 LEXINGTON AVENUE, NEW YORK, NEW YORK, 10017

Covered Properties (377)

Patent: 4,246,416 →

Application: 04/687,398 →

Transducer Positioning System for Rotating Disk Drive Units

Patent: 4,208,679 →

Application: 05/882,127 →

Reader for Data Recorded on Magnetic Disks at Plural Densities

Patent: 4,231,071 →

Application: 05/925,534 →

Differential Linear Velocity Transducer

Patent: 4,260,914 →

Application: 06/024,605 →

Digital Velocity Servo

Patent: 4,380,723 →

Application: 06/046,130 →

Drive Belt Release Mechanism for Magnetic Disk Drives

Patent: 4,338,642 →

Application: 06/136,541 →

Device for Synchronizing a Clock Pulse Generator with a Serial Data Signal

Patent: 4,325,090 →

Application: 06/141,715 →

Positioning System and Formattijng Scheme for Magnetic Tape Media

Patent: 4,321,632 →

Application: 06/148,055 →

Method and Apparatus for Dividing a Track on a Magnetizable Information Storage Disc into Sectors

Patent: 4,366,512 →

Application: 06/168,843 →

Data Transducer Position Control System for Rotating Disk Data Storage Equipment

Patent: 4,396,959 →

Application: 06/190,198 →

Dual Mini-Disk Drive

Patent: 4,383,283 →

Application: 06/191,834 →

Transducer Positioning System and Data Disk Therefor

Patent: 4,390,912 →

Application: 06/206,008 →

Multiple Error Detecting and Correcting System Employing Reed-Solomon Codes

Patent: 4,413,339 →

Application: 06/277,060 →

Lightweight Dual Head SUPP0RT Assembly for Magnetic Disk Drives

Patent: 4,422,115 →

Application: 06/283,163 →

Data Transducer Position Control System for Rotating Disk Data Storage Equipment

Patent: 4,419,701 →

Application: 06/304,209 →

Method of Mounting a Magnetic Head Unit on a Movable Carrier

Patent: 4,391,035 →

Application: 06/305,313 →

Memory Controller with Data Rotation Arrangement

Patent: 4,500,958 →

Application: 06/370,572 →

Arrangement for Encoding and Decoding Information Signals

Patent: 4,503,420 →

Application: 06/375,931 →

Phase Detector Circuit

Patent: 4,484,142 →

Application: 06/375,932 →

Qualifier Circuit

Patent: 4,495,529 →

Application: 06/375,933 →

Adaptive Misposition Correcting Method and Apparatus for Magnetic Disk Servo System

Patent: 4,536,809 →

Application: 06/376,972 →

Disk Hub Spindle System

Patent: 4,503,530 →

Application: 06/382,550 →

Aerodynamically Released Safety Latch for Data Transducer Assembly in Rotating Rigid Disk Data Storage Device

Patent: 4,538,193 →

Application: 06/439,897 →

Pure Torque,Limited Displacement Transducer

Patent: 4,490,635 →

Application: 06/442,129 →

Amplifier Circuit

Patent: 4,538,099 →

Application: 06/458,450 →

Rotating Rigid Disk Data Storage Device

Patent: 4,516,177 →

Application: 06/475,599 →

Vertically Loading Head Module for Magnetic Disk Drive

Patent: 4,630,158 →

Application: 06/483,340 →

Data Transducer Position Control System for Rotating Disk Data Storage Equipment

Patent: 4,660,106 →

Application: 06/496,924 →

Magnetic Tachometer for Disk Drives

Patent: 4,622,516 →

Application: 06/505,047 →

Read/Write Head Positioner Arrangement

Patent: 4,631,611 →

Application: 06/529,840 →

Optical Encoder with Digital Gain Compensation Controlling Source Intensity

Patent: 4,593,194 →

Application: 06/538,811 →

Mounting Assembly for an Optical Encoder Apparatus and Methods

Patent: 4,625,109 →

Application: 06/555,591 →

Magnetic Plated Media and Process Thereof

Patent: 4,581,109 →

Application: 06/560,478 →

Mechanism for Joining Tape Leaders

Patent: 4,662,049 →

Application: 06/578,766 →

Means for Pulling Tape from a Reel

Patent: 4,572,460 →

Application: 06/579,776 →

Data Transducer Position Control System for Rotating Disk Data Storage Equipment

Patent: 32,075 →

Application: 06/596,438 →

Optical Encoder Having Controllable Lead -Lag Phase Trim Sensitivity

Patent: 4,647,769 →

Application: 06/609,224 →

Phase-Locked Loop for Mfm Data Recording

Patent: 4,633,488 →

Application: 06/670,825 →

Vertical Magnetic Recording Arrangement

Patent: 4,656,546 →

Application: 06/693,522 →

Aerodynamic Latch for Disk File Actuator

Patent: 4,647,997 →

Application: 06/728,674 →

Optical Encoder Which Use a Rectangular Photodetector Array

Patent: 4,661,696 →

Application: 06/741,174 →

Modular Unitary Disk File Subsystem

Patent: 4,639,863 →

Application: 06/741,175 →

Thin and Compact Micro-Winchester Head and Disk Assembly

Patent: 4,712,146 →

Application: 06/741,178 →

Compact Polyphase Optical Position Encoder

Patent: 4,703,176 →

Application: 06/741,179 →

Microprocessor Controlled Rigid Disk File Subsystem

Patent: 4,819,153 →

Application: 06/741,588 →

Magnetically Biased Aerodynamically Released Integral Safety Latch for Rigid Disk Drive

Patent: 4,692,829 →

Application: 06/775,840 →

Disk Drive Having Two Interactive Electromechanical Control Subsystems

Patent: 4,639,798 →

Application: 06/806,082 →

Magnetic Plated Media

Patent: 4,619,872 →

Application: 06/813,594 →

Mechanism for Joining Tape Leaders

Patent: 4,720,913 →

Application: 06/824,189 →

High Capacity Disk File with Embedded Sector Servo

Patent: 4,669,004 →

Application: 06/834,009 →

Integrated Encoder Decoder for Variable Length, Zero Run Length Limited Codes

Patent: 4,675,652 →

Application: 06/850,850 →

Disk Drive with Improved Error Correction Code

Patent: 4,730,321 →

Application: 06/869,005 →

Shock and Vibration Isolation Mounting

Patent: 4,705,257 →

Application: 07/029,328 →

Error Correction Code Encoder

Patent: 4,856,003 →

Application: 07/047,627 →

High Capacity Disk File with Embedded Sector Servo and Scsi Interface

Patent: 4,783,705 →

Application: 07/052,012 →

Modular Unitary Disk File Subsystem Having Increased Data Storage Capacity

Patent: 4,825,321 →

Application: 07/052,709 →

Compact Head and Disk Assembly

Patent: 4,772,974 →

Application: 07/055,375 →

Overwriting System for Magneto-Optical Recording with Self Timing Track

Patent: 5,020,040 →

Application: 07/065,931 →

Differential Amplifier Circuit

Patent: 4,806,792 →

Application: 07/069,407 →

Method and Apparatus for Encoding Magnetic Disk Sector Addresses

Patent: 4,847,705 →

Application: 07/070,689 →

Magneto -Optical Data Recording Device Using a Wavelength and Polarization-Sensitive Splitter

Patent: 4,965,780 →

Application: 07/084,577 →

Hydrodynamic Bearing

Patent: 4,795,275 →

Application: 07/084,985 →

Process for Production of Magnetic Media

Patent: 4,816,119 →

Application: 07/092,952 →

Disk Extender Baffles

Patent: 4,821,130 →

Application: 07/093,195 →

Analog Amplifier-Multiplexer for a Data System

Patent: 4,905,238 →

Application: 07/093,196 →

Tuned Array Vibration Absorber

Patent: 4,924,976 →

Application: 07/093,219 →

Automatic Dc Restorer Stage for Servo Data Amplifier

Patent: 4,829,267 →

Application: 07/093,220 →

Apparatus and Method for Providing a Current Exponentially Proportional to Voltage and Directly Proportional to Temperature

Patent: 4,769,588 →

Application: 07/093,396 →

Automatic Gain Control System

Patent: 4,849,711 →

Application: 07/093,810 →

Armature for Dc Motor

Patent: 4,788,465 →

Application: 07/095,530 →

Media Defect Management Within Disk Drive Sector Format

Patent: 4,914,530 →

Application: 07/098,913 →

Programmed Ratio Mechanical Transmission

Patent: 4,875,635 →

Application: 07/104,814 →

Narrow Contour Head Assembly

Patent: 4,809,110 →

Application: 07/106,935 →

Data Decoding Circuit Including Phase-Locked Loop Timing

Patent: 4,908,841 →

Application: 07/115,238 →

Brushless Dc Motor

Patent: 4,874,975 →

Application: 07/127,625 →

Self-Loading Head Assembly for Disk Drives

Patent: 4,884,155 →

Application: 07/128,802 →

Method for Producing Hall Effect Sensor for Magnetic Recording Head

Patent: 4,828,966 →

Application: 07/128,947 →

Stored Data Error Correction System

Patent: 4,908,826 →

Application: 07/141,061 →

Synchronization for Stored Data

Patent: 4,914,535 →

Application: 07/141,204 →

Real-Time Bch Error Correction Code Decoding Mechanism

Patent: 4,866,716 →

Application: 07/146,850 →

Method of and Apparatus for Driving Three-Phase D.C. Brushless Motor

Patent: 4,864,198 →

Application: 07/149,495 →

Data Transducer Position Control System for Rotating Disk Data Storage Equipment

Patent: 4,814,909 →

Application: 07/150,994 →

Ceramic Support Arm for Movably Positioning Transducers

Patent: 4,949,194 →

Application: 07/160,883 →

Method for Fabricating Magnetic Recording Poles

Patent: 4,912,584 →

Application: 07/166,511 →

Vibration Isolating Mount

Patent: 5,131,619 →

Application: 07/166,514 →

Clamp for Mounting Head-Load Beam Slider Arm in a Disk Drive

Patent: 4,912,583 →

Application: 07/171,964 →

Detachable Head-Load Beam Slider Arm for Disk Drive

Patent: 4,947,275 →

Application: 07/172,288 →

Lock and Shock Mounted Device for Computer Disk Drive

Patent: 4,896,777 →

Application: 07/178,295 →

Testing Asynchronous Processes

Patent: 5,097,468 →

Application: 07/189,773 →

Cartridge Loader

Patent: 4,918,548 →

Application: 07/191,617 →

High Performance, High Capacity Micro-Winchester Disk Drive

Patent: 5,005,089 →

Application: 07/192,353 →

Optical Head with Flying Lens

Patent: 5,105,408 →

Application: 07/192,950 →

High Efficiency Disk Format and Synchronization System

Patent: 5,036,408 →

Application: 07/193,090 →

Sector Mis-Synchronization Detection Method

Patent: 4,989,211 →

Application: 07/193,109 →

An Improved Decorder

Patent: 4,908,721 →

Application: 07/193,347 →

Method of Producing a Pole Piece with Improved Magnetic Domain Structure

Patent: 4,900,650 →

Application: 07/193,417 →

Lithographic Technique Using Laser for Fabrication of Electronic Components and the Like

Patent: 4,877,480 →

Application: 07/205,490 →

Modular Unitary Disk File Subsystem with Differing Density Zones

Patent: 4,858,034 →

Application: 07/234,556 →

Releasable Servo Writing Fixture Connector

Patent: 4,920,442 →

Application: 07/242,067 →

Automatic Servo Gain Calibration System for a Disk Drive

Patent: 4,890,172 →

Application: 07/250,037 →

Digital Phase Locked Loop

Patent: 4,975,930 →

Application: 07/266,089 →

A Method for Using a Modular Unitary Disk File Subsystem

Patent: 4,860,194 →

Application: 07/277,024 →

Removable and Transportable Hard Disk Subsystem

Patent: 5,041,924 →

Application: 07/278,006 →

Removable Hard Disk Drive Module

Patent: 311,737 →

Application: 07/280,997 →

Extension Handle for a Circuit Board Injector/Ejector Mechanism

Patent: 4,875,867 →

Application: 07/302,841 →

Data Transducer Position Control System for Rotating Disk Data Storage Equipment

Patent: 4,872,074 →

Application: 07/326,166 →

Microprocessor Controlled Rigid Disk File Subsystem

Patent: 4,882,671 →

Application: 07/329,400 →

An Integral Balanced-Moment Head Positioner

Patent: 5,016,131 →

Application: 07/343,907 →

Hydrogenated Carbon Compositions

Patent: 5,266,409 →

Application: 07/344,990 →

Fixed Disk Drive

Patent: 4,920,434 →

Application: 07/364,810 →

Magnetic Medium for Longitudinal Recording

Patent: 5,176,965 →

Application: 07/364,900 →

Method and Apparatus for Detecting Focus and Tracking Errors

Patent: 4,987,292 →

Application: 07/365,243 →

System for Optimizing Data Transfer

Application: 07/365,244 →

Magneto-Optic Recording Medium with Oriented Langmuir-Blodgett Protective Layer

Patent: 5,120,603 →

Application: 07/369,713 →

Lithographic Technique Using Laser Scanning for Fabrication of Electronic Components and the Like

Patent: 5,221,422 →

Application: 07/369,714 →

Read Channel Optimization System

Patent: 5,121,260 →

Application: 07/369,741 →

Phased Series Tuned Equalizer

Patent: 5,103,352 →

Application: 07/369,742 →

Wide Range High Stability Variable Gain Amplifier

Patent: 4,963,836 →

Application: 07/370,803 →

Multiple Bandwidth Filter System for Phase Locked Loop

Patent: 4,928,075 →

Application: 07/371,494 →

Error Detection and Correction System for Long Burst Errors

Patent: 5,136,592 →

Application: 07/373,323 →

Coherent Multi-Frequency Synthesis

Patent: 5,128,809 →

Application: 07/373,339 →

Method for Increasing Track Density of Magneto-Optical Storage Media

Patent: 5,191,563 →

Application: 07/373,939 →

Method for Increasing Linear Bit Density in Magneto-Optical Storage Media

Patent: 5,161,134 →

Application: 07/373,991 →

Rotary Head Actuator for Optical Disk

Patent: 5,153,870 →

Application: 07/374,010 →

Fault Tolerant Memory

Application: 07/376,357 →

Hydrodynamic Bearing

Patent: 5,112,142 →

Application: 07/382,251 →

Broad Bandwidth Planar Power Combiner/Divider Device

Patent: 4,968,958 →

Application: 07/397,056 →

Electrical Connection for a Self-Loading Head Assembly for Disk Drives

Patent: 4,975,795 →

Application: 07/406,692 →

Disk Drive Hub Assembly

Patent: 5,031,061 →

Application: 07/413,468 →

Low Profile Head-Load Beam Slider Arm for Disk Drive

Patent: 5,003,420 →

Application: 07/418,945 →

Hydrodynamic Bearing

Patent: 5,067,528 →

Application: 07/439,884 →

Keycap for a Computer Disk Drive Control Switch

Patent: 319,050 →

Application: 07/440,979 →

Self-Synchronizing Servo Control System and Servo Data Code for High Density Disk Drives

Patent: 4,987,355 →

Application: 07/446,051 →

Phase Locked Loop with Bandwidth Ramp

Patent: 4,954,788 →

Application: 07/453,356 →

Tape Head with Low Spacing Loss Produced by Narrow and Wide Wear Regions

Patent: 5,055,959 →

Application: 07/462,562 →

Housing for a Removable Disk Drive

Patent: 332,256 →

Application: 07/468,972 →

Error Trapping Decoding Method and Apparatus

Patent: 5,107,506 →

Application: 07/469,924 →

High Bandwidth Reed-Solomon Encoding, Decoding and Error Correcting Circuit

Patent: 5,107,503 →

Application: 07/470,423 →

Head/Gimbal Assembly Having Low Stiffness Cross Band Flexure

Patent: 5,115,363 →

Application: 07/482,027 →

Head and Disk Assembly for Fixed Disk Drive

Patent: 4,982,296 →

Application: 07/484,043 →

Exponential Function Circuitry

Patent: 5,065,053 →

Application: 07/485,059 →

Current-Pulse Integrating Circuit with Phase-Locked Loop

Patent: 5,093,628 →

Application: 07/485,151 →

Continuous-Plus-Embedded Servo Data Position Control System for Magnetic Disk Device

Patent: 5,109,307 →

Application: 07/490,504 →

Totally Magnetic Fine Tracking Miniature Galvanometer Actuator

Patent: 5,243,241 →

Application: 07/494,171 →

Extended Range Servo System for Positioning a Disk Drive Head Over a Selected Track

Patent: 5,153,786 →

Application: 07/502,070 →

Track Identification and Counting in a Disk Drive Positioning System

Patent: 5,136,440 →

Application: 07/502,311 →

Disk Drive with Constant Bandwidth Automatic Gain Control

Patent: 5,220,468 →

Application: 07/502,312 →

Velocity Estimator in a Disk Drive Positioning System

Patent: 5,095,471 →

Application: 07/502,323 →

Combination Embedded and Dedicated Servo System Including Embedded Servo Writing

Patent: 5,153,787 →

Application: 07/502,511 →

Embedded Burst Demodulation and Tracking Error Generation

Patent: 5,115,360 →

Application: 07/502,512 →

High Speed Switched Automatic Gain Control

Patent: 5,187,619 →

Application: 07/502,513 →

Method of Automatic Gain Control Basis Selection and Method of Half-Track Servoing

Patent: 5,099,367 →

Application: 07/502,514 →

Automatic Correction of Position Demodulator Offsets

Patent: 5,247,398 →

Application: 07/502,612 →

Fault Toelrant Frame, Guardband and Index Detection Methods

Patent: 5,115,359 →

Application: 07/502,921 →

Methods of Writing and Detecting Dibit Servo Encoding

Patent: 5,202,802 →

Application: 07/503,151 →

Thin Film Head Read Recovery

Patent: 5,053,892 →

Application: 07/505,650 →

Method and Apparatus for Optimizing Prefetch Caching by Reverse Ordering of Logical Blocks

Patent: 5,283,875 →

Application: 07/509,037 →

Disk File Servo Loop with Improved Track Settling

Patent: 5,062,023 →

Application: 07/509,051 →

In-Drive Defect Detector

Patent: 5,031,054 →

Application: 07/512,100 →

Multi-Level Error Correction System

Patent: 5,224,106 →

Application: 07/521,224 →

Solid State Memory Array Using Address Block Bit Substitution to Compensate for Non-Functional Storage Cells

Patent: 5,199,033 →

Application: 07/521,575 →

Having Dielectric Layers with Embedded Microspheres

Patent: 5,178,934 →

Application: 07/540,847 →

Thermal Compensated Head Positioner Servo for Disk Drive

Patent: 5,128,813 →

Application: 07/541,838 →

Lubricants for Magnetic Media

Patent: 5,128,216 →

Application: 07/543,698 →

Mehtods and Apparatus for Optimizing Track Seeking Operations

Patent: 5,153,789 →

Application: 07/543,973 →

Auto-Centered Phase-Locked Loop

Patent: 5,119,043 →

Application: 07/544,506 →

Method and Apparatus for Transferring Data Between a Data Bus and a Data Storage Device

Patent: 5,182,752 →

Application: 07/545,860 →

Increasing Storage Density of Optical Data Media by Detecting a Selecting Portion of a Light Spot Image Corresponding to a Single Domain

Patent: 5,247,510 →

Application: 07/545,873 →

Transverse Positioner for Read/Write Head

Patent: 5,105,322 →

Application: 07/545,926 →

Combined Media Cartridge Loader and Associated Magazine

Patent: 337,760 →

Application: 07/546,060 →

Magazine and Receiver for Media Cartridge Loader

Patent: 5,231,552 →

Application: 07/546,089 →

Magnetic Pole Configuration for High Density Thin Film Recording Head

Patent: 5,157,570 →

Application: 07/546,280 →

Apparatus for Writing Servo Information Onto a Magnetic Disk

Patent: 5,162,955 →

Application: 07/546,386 →

Magnetic Recording Medium Comprising Nife and Cozr Alloy Crystalline Magnetic Alloy Layers and a C0-Cr Vertically Magnetizable Layer

Patent: 5,242,761 →

Application: 07/547,669 →

Double Unequal Bus Timeout

Patent: 5,301,329 →

Application: 07/550,206 →

Error Location System

Patent: 5,001,715 →

Application: 07/550,802 →

Head Position Recalibration for Disk Drive

Patent: 5,227,930 →

Application: 07/556,945 →

Edge Servo for Disk Drive Head Positioner

Patent: 5,170,299 →

Application: 07/569,065 →

Removable and Transportable Hard Disk Subsystem

Patent: 5,065,262 →

Application: 07/585,949 →

Method and Apparatus for Encoding and Mapping Magnetic Disk Sector Addresses

Patent: 34,003 →

Application: 07/592,908 →

Region Extracting Method and Three-Dimensional Display Method

Patent: 5,319,551 →

Application: 07/602,817 →

Split Lens Displaced from Each Other Along Plane of Cut

Patent: 5,182,444 →

Application: 07/606,101 →

Data Head Load Bean for Height Compacted, Low Power Fixed Head and Disk Assembly

Patent: 5,027,241 →

Application: 07/610,306 →

Disk Drive

Patent: 5,148,338 →

Application: 07/612,768 →

Compact Multiple Roller Tape Guide Assembly

Patent: 5,173,828 →

Application: 07/619,893 →

Non-Slip Tachometer Roller

Patent: 5,088,172 →

Application: 07/620,465 →

Expansible Fixed Disk Drive Subsystem for Computer

Patent: 5,097,439 →

Application: 07/626,428 →

Assembly and Method for Securing Head Suspensions on Actuator Arms

Patent: 5,153,794 →

Application: 07/626,588 →

Adjustable Threshold for Buffer Management

Patent: 5,210,829 →

Application: 07/626,793 →

Method for Providing Uniaxial Anisotropy in Magnetic Recording Disks

Patent: 5,147,679 →

Application: 07/629,191 →

Method of Producing a Semiconductor Device Using a Wire Mask Having a Specified Diameter

Patent: 5,124,269 →

Application: 07/633,192 →

0N-The-Fly Error Correction with Embedded Digital Controller

Patent: 5,241,546 →

Application: 07/650,791 →

Addressing Technique for a Fault Tolerant Block-Structured Storage Device

Patent: 5,392,288 →

Application: 07/652,870 →

Method and Apparatus for Encoding Data for Storage on Magnetic Tape

Patent: 5,263,030 →

Application: 07/654,499 →

Subambient Pressure Air Bearing Slider for Disk Drive

Patent: 5,097,370 →

Application: 07/663,192 →

Magneto-Optic Reproducing Device Using Right and Left Circularly Polarized Light

Patent: 5,202,860 →

Application: 07/664,183 →

Rfi/Emi Reduction for Head and Disk Assembly

Patent: 5,187,621 →

Application: 07/674,385 →

Self-Tuning Adaptive Bandwidth Regulator

Patent: 5,155,422 →

Application: 07/676,960 →

Motorized Spindle for Disk Drive

Patent: 5,200,866 →

Application: 07/682,726 →

Low Stiffness Apparatus for Supporting a Read/Write Transducer Head Slider

Application: 07/686,729 →

Data Transducer Position Control System for Rotating Disk Data Storage Equipment

Patent: 5,119,254 →

Application: 07/689,680 →

Magnetic Contact Recording Head for Operation with Tapes of Varying Thicknesses

Patent: 5,214,553 →

Application: 07/693,449 →

Bistable Magnetic/Electromagnetic Latch for Disk File Actuator

Patent: 5,208,713 →

Application: 07/696,629 →

Fault Tolerant Rll Data Sector Address Mark Decoder

Patent: 5,231,545 →

Application: 07/710,065 →

High Capacity Submicro-Winchester Fixed Disk Drive

Patent: 5,255,136 →

Application: 07/710,171 →

Data Head Load Beam for Height Compacted, Low Power Fixed Head and Disk Assembly

Patent: 5,208,712 →

Application: 07/717,038 →

Head Position Control System for Fixed Drive Including Position Encoder, Temperature Sensor and Embedded Fine Servo Information

Patent: 5,084,791 →

Application: 07/717,874 →

Magnetic Head Testing Apparatus for Detecting Occurrences of Popcorn Noise Amid Externally Generated Noise

Patent: 5,134,366 →

Application: 07/719,042 →

Embedded Servo Banded Format for Magnetic Disks for Use with a Data Processing System

Patent: 5,278,703 →

Application: 07/719,885 →

Spindle Controller with Startup Correction of Disk Position

Patent: 5,276,569 →

Application: 07/721,044 →

Method and Apparatus for Surface Reallocation for Improved Manufacturing Process Margin

Patent: 5,216,655 →

Application: 07/721,061 →

Method and Apparatus for Recovering Digital Signals from Recorded Reproductions of Digital Signals

Patent: 5,239,423 →

Application: 07/722,046 →

Dual-Charge-Pump Bandwidth-Switched Phase-Locked Loop

Patent: 5,121,085 →

Application: 07/722,752 →

Side-By-Side Read/Write Heads with Rotary Positioner

Patent: 5,229,901 →

Application: 07/723,087 →

Scsi Interface Employing Bus Extender and Auxiliary Bus

Patent: 5,274,783 →

Application: 07/723,149 →

Nitrogen-Containing Materials for Wear Protection and Friction Reductioin

Patent: 5,232,570 →

Application: 07/723,431 →

Methods for Treating the Surface of a Solid Body

Patent: 5,198,073 →

Application: 07/733,546 →

Disk Assembly with Thermally Isolated in-Hub Spindle Motor

Patent: 5,160,865 →

Application: 07/753,003 →

Micro-Winchester Disk Drive Having on-Board Segmented Cache Memory

Patent: 5,317,713 →

Application: 07/762,683 →

Servo Pause for Disk Drive Embedded Multi-Tasked Controller

Patent: 5,280,603 →

Application: 07/762,887 →

Non-Slip Tachometer Roller

Patent: 5,199,168 →

Application: 07/770,603 →

Method for Providing a Lubricant Coating on the Surface of a Magneto- Optical Disk and Resulting Optical Disk

Patent: 5,112,662 →

Application: 07/772,476 →

Electronic Hot Connection of Disk Drive Module to Computer Peripherial Bus

Patent: 5,297,067 →

Application: 07/778,446 →

Fixed Disk Drive Mounted to Printed Circuit Board

Patent: 5,379,439 →

Application: 07/782,376 →

Removable and Transportable Hard Disk Subsystem

Patent: 5,253,129 →

Application: 07/791,792 →

Dc-Dc Boost Converter for Spindle Motor Control

Patent: 5,208,518 →

Application: 07/792,848 →

A Apparatus for Providing Uniaxial Anisotropy in a Magnetic Recording Disk

Patent: 5,226,966 →

Application: 07/797,504 →

Data Encoding and Demodulation System

Patent: 5,184,125 →

Application: 07/798,858 →

High Resolution Symmetrical Divider Circuit

Patent: 5,177,771 →

Application: 07/804,232 →

Disk Store with Device for Fixing the Disk Pack on Its Hub Such That It Can Be Removed

Patent: 5,249,090 →

Application: 07/806,972 →

Error-Resilient Information Encoding

Patent: 5,237,574 →

Application: 07/808,035 →

Cross-Checking for on-the-Fly Reed Solomon Error Correction Code

Patent: 5,422,895 →

Application: 07/820,283 →

Disk Drive with Reduced Acoustic Noise

Patent: 5,282,100 →

Application: 07/824,031 →

Process of Forming Magnetic Devices with Enhanced Poles

Patent: 5,571,573 →

Application: 07/831,615 →

Shock Mounted Disk Drive Module Having Snap-Lock Cover

Patent: 5,216,582 →

Application: 07/832,966 →

Tunable Wideband Active Filter

Patent: 5,225,790 →

Application: 07/843,730 →

Remote Fine Positioning Mechanism

Patent: 5,504,731 →

Application: 07/847,113 →

Multi-Disk Optical Storage System

Patent: 5,307,336 →

Application: 07/847,116 →

Digital-Analog Driver for Brushless D.C. Spindle Motor

Patent: 5,210,474 →

Application: 07/847,147 →

Apparatus and Method for Fabricating a Deflection Mirror Tower

Application: 07/847,455 →

An Optical Angular Position Sensing System for Use with a Galvanometer

Patent: 5,223,710 →

Application: 07/847,463 →

Data Recovery After Error Correction Failure

Patent: 5,321,703 →

Application: 07/850,718 →

Removable Rigid Disk Drive

Patent: 348,448 →

Application: 07/855,990 →

Combined Shock Mount Frame and Seal for a Rigid Disk Drive

Patent: 5,223,996 →

Application: 07/855,991 →

A Removable Enclosure Housing a Rigid Disk Drive

Patent: 5,243,495 →

Application: 07/856,006 →

Automatic Phase Margin Compensation Control Circuit and Method for Disk Drives

Patent: 5,306,994 →

Application: 07/865,994 →

System for Enhanced Implementation of Add-Compare-Select (Acs) Functions

Patent: 5,377,133 →

Application: 07/866,996 →

Circuit Providing Equalized Duty Cycle Output

Patent: 5,227,671 →

Application: 07/868,984 →

Event Driven Power Reducing Software State Machines

Application: 07/870,135 →

Atomic Force Microscope with a Plurality of Cantilevers for Recording/ Reproducing Information

Patent: 5,260,926 →

Application: 07/870,335 →

Fault Tolerant Memory Using Bus Bit Aligned Reed-Solomon Error Correction Code Symbols

Patent: 5,313,464 →

Application: 07/878,749 →

Method and Apparatus for Runout Correction Due to Disk Slip or Spindleimbalance

Patent: 5,402,280 →

Application: 07/880,929 →

Hard Disk Drive Architecture

Patent: 5,396,384 →

Application: 07/881,678 →

Method and Apparatus for Variable Density Read-After-Writing on Magnetic Tape

Patent: 5,289,328 →

Application: 07/888,941 →

Thin Film Media for Very Low Flying Height/Contact Recording Application

Patent: 5,626,941 →

Application: 07/889,157 →

Disk Drive Holder and Interconnection System

Patent: 5,333,097 →

Application: 07/900,329 →

Disk Drive System Including a Dram Array and Associated Method for Programming Intial Information into the Array

Patent: 5,517,634 →

Application: 07/903,001 →

Magnetic Head for Very High Track Density Magnetic Recording

Patent: 5,307,217 →

Application: 07/903,694 →

Error Correction System with Selectable Error Correction Capabilities

Patent: 5,379,305 →

Application: 07/918,208 →

Wide Bandwidth Peak Follower Circuitry

Patent: 5,272,394 →

Application: 07/925,904 →

Multi-Mode Gain Control Loop for Prml Class Iv Sampling Data Detection Channel

Patent: 5,375,145 →

Application: 07/936,742 →

Timing Control for Prml Class Iv Sampling Data Detection Channel

Patent: 5,258,933 →

Application: 07/936,756 →

Data Encoding and Decoding Within Prml Class Iv Sampling Data Detection Channel of Disk Drive

Patent: 5,260,703 →

Application: 07/936,757 →

Viterbi Detector Having Adjustable Detection Thresholds for Prml Class Iv Sampling Data Detection

Patent: 5,341,387 →

Application: 07/936,759 →

Adaptation and Training of Digital Finite Impulse Response Filter Within Prml Class Iv Sampling Data Detection Channel

Patent: 5,381,359 →

Application: 07/936,761 →

Disk Drive Using Prml Class Iv Sampling Data Detection with Digital Adaptive Equalization

Patent: 5,341,249 →

Application: 07/937,064 →

Asynchronous Peak Detection of Information Embedded Within Prml Class Iv Sampling Data Detection Channel

Patent: 5,321,559 →

Application: 07/937,352 →

On-The-Fly Splitting of Disk Data Blocks Using Timed Sampling of a Data Position Indicator

Patent: 5,274,509 →

Application: 07/943,252 →

Method of Making a Magnetic Medium for Longitudinal Recording

Patent: 5,431,969 →

Application: 07/945,706 →

Pivoting, Dual State Magnetic Latch for Disk File Actuator

Patent: 5,341,259 →

Application: 07/964,762 →

Error Detection Encoding System

Patent: 5,359,610 →

Application: 07/967,958 →

Digital Multi-Rate Notch Filter for Sampled Servo Digital Control System

Patent: 5,325,247 →

Application: 07/974,931 →

Adaptive Track Seeking for Disk Drives

Patent: 5,305,161 →

Application: 07/980,308 →

Flow-Regulating Hydrodynamic Bearing

Patent: 5,246,294 →

Application: 07/990,820 →

Microlithographic Method for Producing Thick, Vertically-Walled Photoresist Patterns

Patent: 5,330,881 →

Application: 07/994,602 →

Perpendicular Anisotropy in Thin Film Devices

Patent: 5,384,680 →

Application: 08/017,998 →

Double-Sided Optical Media for a Disk Storage Device

Patent: 5,470,627 →

Application: 08/020,515 →

Lapping Fixture for Disk Sliders

Patent: 5,468,177 →

Application: 08/023,274 →

Method of Making a Thin Film Magnetic Head Having Multi-Layer Coils

Patent: 5,448,822 →

Application: 08/029,125 →

Masterless Synchronized Spindle Control for Hard Disk Drives

Patent: 5,416,648 →

Application: 08/036,823 →

A Thin Film Two-Pole Inductive Magnetic Head with Minimized Secondary Pulses

Patent: 5,333,086 →

Application: 08/038,330 →

Method and Plating Apparatus

Patent: 5,332,487 →

Application: 08/052,495 →

Synchronization of Multiple Disk Drive Spindles

Patent: 5,438,464 →

Application: 08/054,652 →

Phase Locking a Disk Drive Spindle to a Reference Signal

Patent: 5,448,428 →

Application: 08/054,657 →

Shared Memory Array for Data Block and Control Program Storage in Disk Drive

Patent: 5,465,343 →

Application: 08/056,428 →

Thin Film Head Slider Fabrication Process

Application: 08/056,515 →

Band Limited Control of a Flexible Structure Using Piecewise Trigonometric Input Signals

Patent: 5,465,035 →

Application: 08/060,388 →

Synchronization to Different Fields in a Storage Device

Patent: 5,365,382 →

Application: 08/064,286 →

Method and Apparatus for Writing or Reading Servo Information

Patent: 5,375,020 →

Application: 08/077,711 →

Lens/Mirror Tower for an Optical Storage Device

Patent: 5,452,283 →

Application: 08/079,484 →

System and Method for Verifying the Integrity of Data Written to a Memory

Patent: 5,428,630 →

Application: 08/086,528 →

Miniature Disk Drive Having Embedded Sector Servo with Split Data Fields and Automatic on-the-Fly Data Block Sequencing

Patent: 5,517,631 →

Application: 08/086,824 →

Rotary Actuator for Optical Disk Drive

Application: 08/088,691 →

Removable Disk Cartridge for Use with a Rotary Actuated Disk Drive

Patent: 5,381,402 →

Application: 08/088,933 →

Electrical Access for Electrical Lapping Guides

Patent: 5,494,473 →

Application: 08/089,141 →

Electrical Lapping Guides for Thin-Film Disk Sliders

Application: 08/089,142 →

Averaging Zero Phase Start for Phase Locked Loops

Patent: 5,452,325 →

Application: 08/090,378 →

Rotating Tape Edge Guide

Patent: 5,414,585 →

Application: 08/094,272 →

Magnetic Tape Head

Patent: 5,426,551 →

Application: 08/094,413 →

Brushless Dc Spindle Motor Startup Control

Patent: 5,530,326 →

Application: 08/094,484 →

Magnetic Head with Self-Regulating Wear Regions

Application: 08/094,661 →

Process for Foaming Thermoplastic Polycarbonates

Patent: 5,308,558 →

Application: 08/106,469 →

Hydrogenated Carbon Compositions

Application: 08/114,917 →

Weighted Average Servo Burst Peak Detector for Disk Drive Read Channel

Patent: 5,362,993 →

Application: 08/119,748 →

Positioning Device for Positioning a Read/Write Head of a Disc Storage System

Patent: 5,319,512 →

Application: 08/120,709 →

Optimized Equalizer System for Data Recovery and Timing Extraction in Partial Response Read Channels

Application: 08/123,502 →

Solid State Disk Drive Unit Having on-Board Backup Non-Volatile Memory

Patent: 5,535,399 →

Application: 08/130,047 →

Device for Component Processing

Patent: 5,361,914 →

Application: 08/131,836 →

Thin-Film Magnetic Transducer with Multiple Yoke-Coil Interactions and Elongated Lateral Yoke Vias

Patent: 5,418,668 →

Application: 08/132,016 →

Shutter Apparatus for Collimating X-Rays

Patent: 5,396,534 →

Application: 08/135,090 →

Wedged Reels in Streaming Tape Drives and Tape Cartridges

Patent: 5,474,253 →

Application: 08/135,098 →

Magnetic Data Storage Disk Drive with Data Block Sequencing by Using Id Fields After Embedded Servo Sectors

Patent: 5,475,540 →

Application: 08/137,807 →

Method of Making a Transducer with Improved Inductive Coupling

Patent: 5,428,893 →

Application: 08/145,469 →

Head Actuator Having Spring Loaded Split Nut

Patent: 5,448,438 →

Application: 08/149,583 →

Scalable Method of Fabricating Thin-Film Sliders

Patent: 5,406,694 →

Application: 08/157,806 →

Address Error Detection Technique for Increasing the Reliability of a Storage Subsystem

Patent: 5,392,302 →

Application: 08/163,397 →

Double Unequal Bus Timeout

Patent: 5,454,111 →

Application: 08/170,846 →

Prml Sampled Data Channel Synchronous Servo Detector

Patent: 5,384,671 →

Application: 08/174,895 →

Servo Data Recovery Circuit for Disk Drive Having Digital Embedded Sector Servo

Patent: 5,420,730 →

Application: 08/180,096 →

Method of Making a Transducer with Improved Inductive Coupling

Patent: 5,428,887 →

Application: 08/181,582 →

Flexible Vane Latch Apparatus for a Disk Drive

Patent: 5,452,161 →

Application: 08/184,825 →

Multiple Servo Sector Sets Write with Self-Verification for Disk Drive

Patent: 5,553,086 →

Application: 08/187,845 →

Active Disturbance Compensation System for Disk Drives

Patent: 5,426,545 →

Application: 08/191,758 →

Disk Drive Using Prml Synchronous Sampling Data Detection and Asychronous Detection of Embedded Sector Servo

Patent: 5,345,342 →

Application: 08/192,146 →

Stackable Modular Storage Tower

Patent: 5,515,239 →

Application: 08/198,630 →

Flexible Preamplifier Integrated Circuit Assemblies and Method

Patent: 5,499,161 →

Application: 08/198,871 →

Low Cost Permanent Magnet Disk Spindle Motor

Patent: 5,506,458 →

Application: 08/206,596 →

Integrated Hydrodynamic Bearing/Motor Assembly

Patent: 5,448,120 →

Application: 08/209,691 →

Solid State Disk Memory Using Storage Devices with Defects

Patent: 5,459,742 →

Application: 08/212,334 →

A Process of Assembling a Disk Drive Minimum Spacing Between Disks

Patent: 5,471,733 →

Application: 08/212,371 →

Method for Determining Command Executon Dependencies Within Command Queue Reordering Process

Patent: 5,548,795 →

Application: 08/218,567 →

Servo Method and Apparatus for Very High Track Density Magnetic Recording by Adjusting Head Position Based on Servo Information Read from Adjacent Track

Patent: 5,371,638 →

Application: 08/222,491 →

Header Verification in a Disk Drive Using Sector Histories for Improved Format Efficiency

Patent: 5,568,627 →

Application: 08/223,415 →

Digitial Output Magnetoresistive (Domr) Head and Methods Associated Therewith

Patent: 5,546,253 →

Application: 08/239,243 →

Method and Apparatus for Attaching Metallic and Ceramic Materials

Patent: 5,444,587 →

Application: 08/240,545 →

Variable-Slope Driver for Pullup-Terminated Transmission Lines

Patent: 5,497,113 →

Application: 08/242,769 →

Method for Characterizing and Controlling in-Plane Stiffness of Load Beam Within Head-Gimbal Assembly of a Hard Disk Drive

Patent: 5,471,734 →

Application: 08/249,525 →

Glitchless Frequency-Adjustable Ring Oscillator

Patent: 5,471,176 →

Application: 08/255,162 →

Robust Active Damping Control System

Patent: 5,459,383 →

Application: 08/259,361 →

Magneto Resistive Head Having Symmetric Off-Track Performance Profile

Patent: 5,483,402 →

Application: 08/259,795 →

Robust and Redundant Physical Block Identification Scheme for Data Storage Devices

Patent: 5,521,929 →

Application: 08/261,372 →

Actuator Retraction Circuit

Patent: 5,495,156 →

Application: 08/265,482 →

Linear Tape Write Servo Using Embedded Azimuth Servo Blocks

Patent: 5,523,904 →

Application: 08/265,529 →

Damping Configuration for Improved Disk Drive Performance

Patent: 5,483,397 →

Application: 08/267,058 →

Real-Time Dc Offset Control and Associated Method

Patent: 5,459,679 →

Application: 08/276,817 →

Active Electromagnetic Latch Having No Moving Parts for File Actutor

Patent: 5,452,162 →

Application: 08/278,700 →

Self-Replenishing Hydrodynamic Bearing

Patent: 5,407,281 →

Application: 08/278,805 →

Disk Drive Method Using Zoned Data Recording and Prml Dampling Data Detection with Digital Adaptive Equalization

Patent: 5,422,760 →

Application: 08/291,957 →

Flex Circuit Vibration Sensor

Patent: 5,526,208 →

Application: 08/291,986 →

Cleaning Apparatus for Heads of Data Storage Disks

Patent: 5,467,238 →

Application: 08/293,106 →

Zero Phase Start Optimization Using Mean Squared Error in a Prml Recording Channel

Patent: 5,552,942 →

Application: 08/295,505 →

Data Track Pattern Including Embedded Servo Sectors for Magneto-Resistive Read/Inductive Write Head Structure for a Disk Drive

Patent: 5,587,850 →

Application: 08/296,643 →

Tape Head with Self-Regulating Wear Regions

Patent: 5,475,553 →

Application: 08/305,117 →

Hydrodynamic Bearing and Seal

Patent: 5,423,612 →

Application: 08/308,078 →

Write Precompensation Optimization in a Prml Channel Using a Selected Prml Signal Level

Patent: 5,493,454 →

Application: 08/317,902 →

Fault Tolerant Servo Address Mark for Disk Drive

Patent: 5,544,135 →

Application: 08/321,307 →

Disk Drive Having on-Board Triggered Digital Sampling Analyzer

Patent: 5,444,583 →

Application: 08/327,443 →

Ball Spindle for Reduced Friction Rotary Acutuator in Disk Drive

Patent: 5,510,940 →

Application: 08/339,584 →

Air Guide for an Aerodynamic Actuator Latch Within a Disk Drive

Patent: 5,541,791 →

Application: 08/341,685 →

Event Driven Power Reducing Software State Machine

Patent: 5,469,553 →

Application: 08/357,778 →

Method and Apparatus for Protecting Data from Mis-Synchronization Errors

Patent: 5,528,607 →

Application: 08/383,201 →

Hydrodynamic Bearing Having Inverted Surface Tension Seals

Patent: 5,533,811 →

Application: 08/388,380 →

Magnetoresistive Device and Method Having Improved Barkhausen Noise Suppression

Patent: 5,485,334 →

Application: 08/392,393 →

Optimized Equalizer System for Data Recovery and Timing Extraction in Partial Response Read Channels

Patent: 5,521,767 →

Application: 08/406,834 →

Cleaning Apparatus for Heads of Data Storage Disks

Patent: 5,486,970 →

Application: 08/408,415 →

System for Optimizing Data Transfer

Patent: 5,513,326 →

Application: 08/434,797 →

Method for Mapping Thermal Asperities of a Magnetic Recording Surface in Data Storage Device

Patent: 5,537,034 →

Application: 08/444,533 →

Soft Adjacent Layer Biased Magnetoresistive Device Incorporating a Natural Flux Closure Design Utilizing Coplanar Permanent Magnet Thin Film Stabilization

Patent: 5,532,892 →

Application: 08/461,874 →

Apparatus and Method for Fabricating a Deflection Mirror Tower

Patent: 5,532,884 →

Application: 08/479,347 →

Method and Apparatus for Applying Lubricant to a Hydrodynamic Bearing

Patent: 5,524,728 →

Application: 08/495,822 →

Reduced Complexity EPR4 Post-Processor for Sampled Data Detection

Patent: 5,521,945 →

Application: 08/497,520 →

"Acton" Load Beam for a Winchester Disk Drive