Patent Assignment
Reel/Frame 011111/0459
Assignment of Assignor's Interest
Recorded: 2000-08-01
Pages: 4
Assignor
SEAGATE TECHNOLOGY, INC.
Executed: 2000-07-28
Assignee
SEAGATE REMOVABLE STORAGE SOLUTIONS LLC
920 DISC DRIVE, SCOTTS VALLEY, CALIFORNIA, 95066
Covered Properties
(126)
Method and Apparatus for Normalizing Servo-Positioning Signals
Patent:
4,498,129 →
Application:
06/280,127 →
Method for Controlling a Disc Head
Patent:
4,462,053 →
Application:
06/280,137 →
Data Record with Pre-Recorded Transducer Positioning Signals, and System for Utilizing Same
Patent:
4,472,750 →
Application:
06/280,138 →
Positioner Apparatus for Tape Recorder Heads
Patent:
4,468,712 →
Application:
06/280,139 →
Streaming Cartridge Tape Drive
Patent:
4,414,593 →
Application:
06/309,573 →
Digital Tape Erasure Conditioning System
Patent:
4,466,027 →
Application:
06/333,309 →
Tape Cartridge Receptacle
Patent:
4,498,112 →
Application:
06/360,696 →
Disk Cartridge
Patent:
4,459,628 →
Application:
06/369,564 →
Capstanless Magnetic Tape Drive with Electronic Equivalent to Length of Tape
Patent:
4,500,965 →
Application:
06/385,082 →
Cartridge Tape Drive
Patent:
4,573,091 →
Application:
06/441,762 →
Recording System for Recording Data on Tape in a Disk-Recording Format
Patent:
4,541,019 →
Application:
06/444,712 →
Tape Cartridge Drive with Movable Read/Write Head
Patent:
4,559,571 →
Application:
06/444,834 →
Method of Attaching Electrical Conductors to Thin Film Magnetic Transducer
Patent:
4,546,541 →
Application:
06/542,050 →
Method of Manufacturing a Magnetic Head Assembly and Product
Patent:
4,571,651 →
Application:
06/542,051 →
Magnetic Head Assembly Having a Transverse Guiding Surface Formed of a Mixture of Aluminum Oxide and Titanium Carbide
Patent:
4,967,300 →
Application:
06/542,052 →
Read While Write Magnetic Head Assembly
Patent:
4,972,336 →
Application:
06/542,100 →
Tape Cartridge Drive with Cartridge Door Opening Mechanism
Patent:
4,556,923 →
Application:
06/555,373 →
Method and Apparatus for Pre-Recording Tracking Information on Magnetic Media
Patent:
4,586,094 →
Application:
06/589,007 →
Miniaturized Cartridge-Type Tape Drive for Data Processors
Patent:
4,647,994 →
Application:
06/589,146 →
Circuit and Methodology for Reading and Tracking Binary Data from Magnetic Tape Independently of the Data Pattern on the Tape
Patent:
4,644,420 →
Application:
06/594,940 →
Method and Apparatus for Positioning Transducers by Digital Conversion of Analog-Type Signals
Patent:
4,646,175 →
Application:
06/597,012 →
A Precision Bearing for Reciprocating a Magnetic Head
Patent:
4,609,958 →
Application:
06/614,519 →
System for Transferring Digital Data Between a Host Device and a Recording Medium
Patent:
4,672,613 →
Application:
06/794,070 →
Transport for Tape Cartridge with Leader Block
Patent:
4,704,645 →
Application:
06/794,503 →
System and Method for Encoding and Storing Digital Information on Magnetic Tape
Patent:
4,796,110 →
Application:
06/830,559 →
Endwise Loaded Cartridge Tape Drive
Patent:
4,677,508 →
Application:
06/831,857 →
Cartridge Alignment Mechanism for Tape Drive
Patent:
4,785,363 →
Application:
06/842,739 →
Magnetic Head Positioning Apparatus
Patent:
4,747,004 →
Application:
06/849,146 →
Stepping Motor Excitation Sequences
Patent:
4,717,866 →
Application:
06/855,608 →
Magnetic Transducer Head Structure
Patent:
4,819,107 →
Application:
06/915,734 →
Circuit for Controlling Frequency and Phase of Voltage Controlled Oscillator in a Data Smoother for a Streaming Cartridge Tape Drive
Patent:
4,837,643 →
Application:
06/928,471 →
Circuit for Provding a Symmetric Current to the Head of a Magnetic Recording Device
Patent:
4,816,932 →
Application:
06/928,472 →
Cartridge Tape Drive
Patent:
4,807,067 →
Application:
07/009,448 →
Transducer Head Core Structure with Recessed Magnetic Closures
Patent:
4,849,841 →
Application:
07/036,915 →
Thin Film Magnetic Head with a Leveler Layer
Patent:
4,872,079 →
Application:
07/078,911 →
Streaming Tape Drive with Direct Block Addressability
Patent:
4,858,039 →
Application:
07/152,384 →
Transport for Tape Cartridge with Leader Block
Patent:
4,809,099 →
Application:
07/195,408 →
Method and Apparatus for Removing Data Stream Variations
Patent:
5,003,408 →
Application:
07/228,318 →
Compensation Circuit for Nullifying Differential Offset Voltage and Regulating Common Mode Voltage of Differential Signals
Patent:
4,833,418 →
Application:
07/239,302 →
Magnetic Transducer Head Structure with Reduced Leakage Between Core Circuits
Patent:
4,954,921 →
Application:
07/241,090 →
Extraction and Insertion Mechanism for a Leader Block of a Tape Cartridge
Patent:
4,852,825 →
Application:
07/244,694 →
Head-Positioner Arm for Data Recorders
Patent:
5,001,584 →
Application:
07/314,376 →
Lead Screw and Follower-Type Head Positioner for Data Recorders
Patent:
5,050,025 →
Application:
07/314,454 →
Self-Aligning Tachometer and Method of Manufacturing Same
Patent:
4,933,636 →
Application:
07/314,979 →
Method and Apparatus for Servo-Positioning Movable Transducer Heads
Patent:
5,055,951 →
Application:
07/321,915 →
Stationary Head Tape Drive with a Movable Door Opening Mechanism
Patent:
5,109,308 →
Application:
07/342,985 →
Drive for End Loading and Transversely Shifting Tape Cartridge
Patent:
33,224 →
Application:
07/371,416 →
Tape Transport with Rigid Arm Threader Mechanism for Leader Block Tape Cartridge
Patent:
4,949,914 →
Application:
07/375,400 →
Method of Making a Thin Film Magnetic Head with a Leveler Layer and Superstrate
Patent:
4,899,434 →
Application:
07/384,750 →
Auto-Loading Transport for Tape Cartridge with Tape Access Door and Belt Capstan Roller
Patent:
5,025,334 →
Application:
07/405,932 →
Method to Compensate for Tape Slope and Head Azimuth Errors
Patent:
5,001,580 →
Application:
07/413,479 →
Variable Load Motor Drive Control
Patent:
4,963,810 →
Application:
07/428,096 →
Apparatus and Method for Automatic Write Current Calibration in a Streaming Tape Drive
Patent:
5,172,280 →
Application:
07/428,501 →
Apparatus and Method for Automatic Adjustment of Read Amplitude Threshold in a Digital Tape Drive
Patent:
5,081,547 →
Application:
07/433,586 →
Cartridge Loader for Loading Each of a Plurality of Cartridges into a Cartridge Insertion Slot
Patent:
5,050,020 →
Application:
07/434,036 →
Data Randomizing/De-Randomizing Circuit for Randomizing and De- Randomizing Data
Patent:
4,978,955 →
Application:
07/435,002 →
Tape and Mechanism Protection Methods for Dat Drives
Patent:
5,101,311 →
Application:
07/435,008 →
System for Assembling Playback Dat Data Frames Using Indexed Frame Buffer Group According to Logical Frame Numbers in Valid Subcode or Frame Header
Patent:
5,163,136 →
Application:
07/436,570 →
Method and Apparatus for Aligning Cartridges with a Cartridge Insertion Slot
Patent:
5,182,687 →
Application:
07/510,548 →
Track and Hold Phase Locked Loop Circuit
Patent:
5,006,819 →
Application:
07/526,490 →
Storage Module Changer for a Computer Data Storage Drive
Patent:
5,157,564 →
Application:
07/531,993 →
Apparatus for Adjusting a Tape Head for a Magnetic Tape
Patent:
5,198,947 →
Application:
07/546,025 →
Head Positioning Assembly
Patent:
33,661 →
Application:
07/564,864 →
Method of Making a Dual Stripe Magnetic Head
Patent:
5,079,831 →
Application:
07/652,134 →
Adjustable Write Equalization for Tape Drives
Patent:
5,255,130 →
Application:
07/678,086 →
Raw Error Monitoring and Reporting
Patent:
5,253,126 →
Application:
07/679,668 →
Device for Aligning Magnetic Tape to a Read-Write Head
Patent:
5,218,501 →
Application:
07/691,760 →
Electromagnetic Head Having Interference Compensation Circuitry
Patent:
5,122,916 →
Application:
07/731,285 →
Cassette Loading System
Patent:
5,264,974 →
Application:
07/769,036 →
Stationary Head Cartridge Tape Drive with Moveable X-Y Table and Method
Patent:
5,237,469 →
Application:
07/771,139 →
Apparatus for Precise Positioning of a Tape Head and Programming There Of
Patent:
5,311,390 →
Application:
07/794,999 →
Mass Storage and Retrieval System for Magnetic Tape Cartridges
Patent:
5,285,333 →
Application:
07/815,132 →
Optical Alignment System for Aligning a Multiple Gap Tape Head Assembly
Patent:
5,257,091 →
Application:
07/837,728 →
Adjustable Write Equalization for Tape Drives
Patent:
5,267,096 →
Application:
07/838,187 →
Multi-Track Embedded Servo Recording Format and Method
Patent:
5,396,376 →
Application:
07/855,239 →
Five and One-Quarter Inch Form Factor Combination Dat Tape Drive and Cassette Magazine Loader
Patent:
5,402,285 →
Application:
07/873,443 →
Data Stream Smoothing Method and Circuit for a Tape Drive
Patent:
5,532,886 →
Application:
07/890,029 →
System and Method for Storing and Retrieving Files for Archival Purposes
Patent:
5,485,606 →
Application:
07/905,083 →
Mechanisms for a Closed Loop Head Positioner for Streaming Tape Drives
Patent:
5,371,636 →
Application:
07/926,743 →
Tape Format Detection System
Patent:
5,327,305 →
Application:
07/930,740 →
Mechanisms for a Closed Loop Head Positioner for Streaming Tape Drives
Patent:
5,191,492 →
Application:
07/931,110 →
Magnetic Head Guidance and Calibration System and Method Description
Patent:
5,491,595 →
Application:
07/942,256 →
Tape Drive Capstan Motor Servo System with Static Friction Compensation
Patent:
5,327,059 →
Application:
07/950,457 →
Target Management Method for Data Backup to a Shared Transfer Station, Multiple Media Element Device
Patent:
5,386,545 →
Application:
07/951,055 →
System and Method for Ethernet to Scsi Conversion
Patent:
5,491,812 →
Application:
07/951,601 →
Method of Emulating Access to a Sequential Access Data Storage Device While Actually Using a Random Access Storage Device
Patent:
5,454,098 →
Application:
07/951,602 →
Audio Tape Operation on a Dat Data Storage Drive
Patent:
5,218,487 →
Application:
07/954,798 →
Circuit for Determining Window Margin for Data Transitions in a Streaming Data Device
Patent:
5,402,273 →
Application:
07/955,103 →
Method for Self-Cleaning Dat Drive Tape Heads
Patent:
5,381,292 →
Application:
08/090,972 →
Arcuate Scan Tape Drive
Patent:
5,585,978 →
Application:
08/113,996 →
Multi-Channel Rotating Transformer
Patent:
5,455,729 →
Application:
08/114,492 →
Apparatus for Transferring Raw Data from a Magnetic Medium Computer Storage Device
Patent:
5,375,224 →
Application:
08/116,047 →
Process for Manufacturing Recording Heads for Magnetic Storage Devices
Patent:
5,523,539 →
Application:
08/151,068 →
System for Recording Track-Centering Servo Signals on Multi-Track Magnetic Medium
Patent:
5,617,269 →
Application:
08/195,580 →
Brushless Motor Speed Control Arrangement Having Derived Common Mode Supply Signal Component
Patent:
5,589,746 →
Application:
08/336,981 →
Economical Wide Range Speed Control System
Patent:
5,642,461 →
Application:
08/337,803 →
Recording Head for Recording Track-Centering Servo Signals on a Multi- Track Recording Medium
Patent:
5,602,703 →
Application:
08/361,773 →
Buffered Intelligent Digital Tape Controller with Onboard Ecc and Featuring Global Control Variables
Patent:
5,581,458 →
Application:
08/441,604 →
A Method and an Arrangement for Detecting State Transitions in a Read Signal During a Bit Cell Timing Window
Patent:
5,892,631 →
Application:
08/525,232 →
Tape Drive Having an Arcuate Scanner and a Method for Calibrating the Arcuate Scanner
Patent:
5,815,337 →
Application:
08/547,270 →
Belt Drive Mechanism for a Tape Drive
Patent:
5,690,293 →
Application:
08/555,645 →
Method and Arrangement for Initiating Search for Start of Data in Arcuately Recorded Data Tracks
Patent:
5,675,447 →
Application:
08/555,649 →
Tape Drive with Movable Cartridge Door Opening Mechanism
Patent:
5,660,345 →
Application:
08/557,770 →
Arrangement and Method for Optimizing the Recorded Signal to Noise Ratio in Contact Recording Systems
Patent:
5,748,396 →
Application:
08/557,771 →
Method and Arrangement for Servoing and Formatting Magnetic Recording Tape
Patent:
5,796,537 →
Application:
08/557,772 →
Voice Coil Driven Positioner for Coarse and Fine Positioning of Magnetic Head in Multi-Track Tape Drive
Patent:
5,978,172 →
Application:
08/577,802 →
Tape Moving Mechanism Using a Direct Drive Motor
Patent:
6,059,212 →
Application:
08/596,538 →
Low Profile Mechanism for Biased Driving of Driven Roller in Tape Cartridge
Patent:
5,833,161 →
Application:
08/605,966 →
Method of Making an Arcuate Scan Tape Drive
Patent:
5,729,890 →
Application:
08/686,306 →
Economical Wide Range Speed Control System
Patent:
5,854,877 →
Application:
08/732,069 →
Mechanism to Reduce Adjacent Track Interference in a Magnetic Tape Data Storage System
Patent:
5,940,238 →
Application:
08/764,495 →
Multi-Channel, High Speed, Tape Head Contour
Patent:
5,774,306 →
Application:
08/783,570 →
Magazine Cassette Locking Device
Patent:
5,936,795 →
Application:
08/811,677 →
Voice Coil Driven Positioner for Coarse and Fine Positioning of Magnetic Head in Multi-Track Tape Drive
Patent:
5,901,008 →
Application:
08/828,550 →
Gear Train Capstan Drive Assembly for a Tape Drive (as Amended)
Patent:
6,043,953 →
Application:
08/880,056 →
Methods and Apparatus for Track Centering an Arcuate Scanner Head Assembly
Patent:
5,986,846 →
Application:
08/890,711 →
Multiple Cartridge Tape Auto Loader Utilizing a Drive Plate for Positioning of Drive Mechanism
Patent:
6,038,099 →
Application:
08/892,538 →
Method and Apparatus for High Speed Searching in Arcuate Scan Tape Drives
Patent:
5,793,552 →
Application:
08/926,572 →
Tape Drive with Movable Centering Guide and Door Opening Arrangement
Patent:
5,890,669 →
Application:
08/938,408 →
Magnetoresistive Sensor with Improved Stability
Patent:
5,986,856 →
Application:
08/945,190 →
Servoing and Formatting Magnetic Recording Tape in an Arcute Scanner System
Patent:
5,847,892 →
Application:
08/955,022 →
Tape Media Cartridge System and Components Thereof and Methods of Making and Using the Same
Patent:
5,868,333 →
Application:
08/974,251 →
Tape Leader Pin Assembly and Method for Making the Same
Patent:
6,003,802 →
Application:
09/055,016 →
Method and Arrangement for Servoing and Formatting Magnetic Recording Tape
Patent:
6,031,681 →
Application:
09/071,696 →
Method for Detecting Data Encoded as State Transitions in a Read Signal
Patent:
5,969,894 →
Application:
09/219,309 →
Method and Arrangement for Servoing and Formatting Magnetic Recording Tape
Patent:
6,061,199 →
Application:
09/398,426 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 2, 1981
From: VELAZQUEZ, JUAN F.
To: IRWIN INTERNATIONAL, INC., A CORP. OF MI
Reel/Frame 003911/0582 →
Assignment of Assignors Interest.
Oct 8, 1981
From: MILLER, WILLIAM R.; HOWELL, JONES V.
To: ARCHIVE CORPORATION, A CORP. OF CA
Reel/Frame 003936/0348 →
Assignment of Assignors Interest.
Jan 15, 1982
From: HOWELL, JONES V.; MILLER, WILLIAM R.; BUCHAN, WILLIAM A.
To: ARCHIVE CORPORATION
Reel/Frame 003984/0840 →
Assignment of Assignors Interest.
Mar 22, 1982
From: GEORGENS, HAROLD H.; BROKAW, A. RAY
To: DATA ELECTRONICS, INC.
Reel/Frame 003993/0521 →
Assignment of Assignors Interest.
Apr 19, 1982
From: BARTON, RICHARD E.
To: CIPHER DATA PROUCTS, INC.
Reel/Frame 004015/0950 →
Assignment of Assignors Interest.
Jun 16, 1982
From: GRAY, MARTIN D.
To: CIPHER DATA PRODUCTS, INC., A CORP. OF CA
Reel/Frame 004022/0479 →
Assignment of Assignors Interest.
Nov 15, 1982
From: BARTON, WILLIAM M. JR.; MURPHY, JOHN F.; OFFERMAN, KARL B.; FISHER, RICHARD G.
To: CIPHER DATA PRODUCTS, INC., A CORP OF CA.
Reel/Frame 004105/0612 →
Assignment of Assignors Interest.
Nov 26, 1982
From: PRECOURT, NORMAND E.
To: CIPHER DATA PRODUCTS, INC.
Reel/Frame 004073/0254 →
Assignment of Assignors Interest.
Nov 26, 1982
From: OLMSTED, DENNIS R.; STEVENS, ERIC S.
To: DATA ELECTRONICS, INC.
Reel/Frame 004073/0271 →
Assignment of Assignors Interest.
Oct 14, 1983
From: FRANK PAUL D.; REID, JAMES; ROBERTS, GARY E.
To: APPLIED MAGNETICS- MAGNETIC HEAD DIVISION CORPORATION, A CORP. OF CA
Reel/Frame 004185/0479 →
Assignment of Assignors Interest.
Oct 14, 1983
From: REID, JAMES
To: APPLIED MAGNETICS - MAGNETIC HEAD DIVISION CORPORATION, A CORP OF CA
Reel/Frame 004185/0398 →
Assignment of Assignors Interest.
Oct 14, 1983
From: REID, JAMES; ROBERTS, GARY E.
To: APPLIED MAGNETICS- MAGNETIC HEAD DIVISION CORPORATION, A CORP. OF CA
Reel/Frame 004185/0496 →
Assignment of Assignors Interest.
Oct 14, 1983
From: REID, JAMES; ROBERTS, GARY E.
To: APPLIED MAGNETICS- MAGNETIC HEAD DIVISION CORPORATION, A CORP. OF CA
Reel/Frame 004185/0477 →
Assignment of Assignors Interest.
Feb 27, 1984
From: OLMSTED, DENNIS R.
To: DATA ELECTRONICS, INC., 10150 SORRENTO VALLEY ROAD SAN DIEGO, CA 92121 A CORP
Reel/Frame 004272/0743 →
Assignment of Assignors Interest.
Mar 13, 1984
From: IRWIN, SAMUEL N.; LUM, FRANCIS; BOLT, MICHAEL L.; HENKE, STEVEN E.
To: IRWIN MAGNETIC SYSTEMS, INC. A CORP OF MI
Reel/Frame 004240/0123 →
Assignment of Assignors Interest.
Mar 13, 1984
From: CHAMBORS, JOHN M.; LUM, FRANCIS
To: IRWIN MAGNETIC SYSTEMS INC A MI CORP
Reel/Frame 004240/0494 →
Assignment of Assignors Interest.
Mar 29, 1984
From: BUCHAN, WILLIAM A.
To: ARCHIVE CORPORATION
Reel/Frame 004284/0334 →
Assignment of Assignors Interest.
Apr 5, 1984
From: SOKOLIK, EDMUND L.; LUM, FRANCIS
To: IRWIN MAGNETIC SYSTEMS, INC., A CORP. OF MI
Reel/Frame 004246/0903 →
Assignment of Assignors Interest.
Apr 12, 1984
From: MUELLER, JOSEPH H.; DAWSON, RONALD G.; IRWIN, SAMUEL N.
To: IRWIN INTERNATIONAL, INC., A MI CORP.
Reel/Frame 004305/0224 →
Assignment of Assignors Interest.
May 4, 1984
From: LUM, FRANCIS; GRAHAM, BRUCE; IRWIN, SAMUEL N.; VELAZQUEZ, JUAN F.
To: SAMUEL N IRWIN 3 REGENT CT ANN ARBOR MI 48104; JUAN F VELAZQUEZ 8520 ROUNDHILL CT SALINE MI 48176
Reel/Frame 004252/0701 →
Assignment of Assignors Interest.
May 29, 1984
From: IRVIN, RONALD D.; OFFERMAN, KARL B.
To: CIPHER DATA PRODUCTS, INC., A CORP OF CA
Reel/Frame 004311/0584 →
Assignment of Assignors Interest.
Jun 14, 1984
From: KLUMPP, MARLIN K.; MUELLER, JOSEPH H.; LUM, FRANCIS; IRWIN, SAMUEL N.
To: IRWIN INTERNATIONAL, INC. 2000 GREEN ROAD ANN ARBOR, MI 48105 A CORP OF
Reel/Frame 004272/0168 →
Assignment of Assignors Interest.
Jun 14, 1984
From: IRWIN INTERNATIONAL INC
To: IRWIN MAGNETIC SYSTEMS, INC., 2311 GREEN ROAD ANN ARBOR MICHIGAN 48105A CORP OF MICHIGAN
Reel/Frame 004272/0166 →
Assignment of Assignors Interest.
Jul 2, 1984
From: IRVIN, RONALD D.; OFFERMAN, KARL B.; JACOBS, LYNN C.
To: CIPHER DATA PODUCTS, INC., A CA CORP.
Reel/Frame 004301/0906 →
Assignment of Assignors Interest.
Aug 27, 1984
From: IRWIN INTERNATIONAL, INC., A CORP. OF MI
To: IRWIN MAGNETIC SYSTEMS, INC., A CORP. OF MI
Reel/Frame 004294/0012 →