| Patent Number |
Title Of Patent |
Date Issued |
| RE36989 |
Virtual storage system and method |
December 12, 2000 |
| A virtual storage system for use in conjunction with a host computer is disclosed. The system features a memory control processor external to the host computer which divides user-defined data sets into blocks of a size convenient for storage on, e.g., magnetic media and individually assi |
| D411841 |
Data storage tape cartridge |
July 6, 1999 |
|
| D410451 |
Disk drive frame |
June 1, 1999 |
|
| D410446 |
Disk drive module for redundant arrays |
June 1, 1999 |
|
| D367828 |
Indicator portion of a write protect block |
March 12, 1996 |
|
| D353366 |
Cabinet for a disk drive array |
December 13, 1994 |
|
| D350535 |
Cabinet for robotics library system for handling data storage cartridges for a computer system |
September 13, 1994 |
|
| D349695 |
Cabinet for robotics library system for handling data storage cartridges for a computer system |
August 16, 1994 |
|
| D349282 |
Housing for magnetic tape cartridge magazine autoloader |
August 2, 1994 |
|
| D348656 |
Cabinet for a disk drive |
July 12, 1994 |
|
| D348655 |
Cabinet for a disk drive |
July 12, 1994 |
|
| D325217 |
Housing for a printer system |
April 7, 1992 |
|
| D322805 |
Housing for a printer system |
December 31, 1991 |
|
| D312619 |
Information display for a computer disk drive system |
December 4, 1990 |
|
| 7596700 |
Method and system for establishing trusting environment for sharing data between mutually mistru |
September 29, 2009 |
| A method and system for sharing data and interrogating data include establishing a level of trust between mutually mistrusting entities so that data may be shared therebetween based on the level of trust. The method and system include interrogating data provided from one of the entit |
| 7580950 |
Clustered hierarchical file system |
August 25, 2009 |
| A system for object-based archival data storage includes an object-based storage subsystem having respective data storage devices, at least one file presentation interface that interfaces to client platforms, an administration interface having graphical user interface (GUI) and a com |
| 7580220 |
Cartridge magazine with pivoting cartridge retention mechanism |
August 25, 2009 |
| A cartridge magazine is shown for placement in a robotic media library. The magazine body has two walls to guide a tape cartridge into a final stopping position. A prong extends into the cartridge from a first wall and an opening is formed in the second wall to permit a friction pad to |
| 7546180 |
Position determination of multiple mechanisms sharing a common axis of motion in a robotic tape |
June 9, 2009 |
| A system and method for determining relative positions of robots constrained to move along a common axis of motion, where a controller of the system has no prior knowledge of the relative positions. The robots are ordered to move in defined directions and distances and report their a |
| 7542298 |
Automated modular library and associated methods |
June 2, 2009 |
| An automated modular storage library is formed by a plurality of available library elements. Each available library element is selected from a predetermined limited subset of library elements made available for library assembly. This creates a library that is modular by restricting t |
| 7542234 |
Apparatus for improving performance of a tape transducer positioning mechanism |
June 2, 2009 |
| Apparatus is provided for a tape head actuator having a guide bearing preload mechanism, wherein the preload mechanism utilizes a magnet or magnets and an elongated steel member. These magnetic components interact to produce a force that is selectively directed to preload the guide b |
| 7535664 |
Performance enhancement for tape write immediate operations |
May 19, 2009 |
| A method for writing data in a tape drive is provided by the present invention. The present invention provides a method for writing data in a tape drive. The invention include allocating a blank area for transpose writing on a magnetic tap and then writing a first group of data sets on |
| 7529784 |
Clustered hierarchical file services |
May 5, 2009 |
| A system for object-based archival data storage includes an object-based storage subsystem having respective data storage devices, at least one file presentation interface that interfaces to client platforms, an administration interface having graphical user interface (GUI) and a com |
| 7515378 |
Customer expandable modular rack mount library using expansion module units having features to j |
April 7, 2009 |
| An expandable storage library for storing digital storage media, such as storage tapes or disks is provided. The library includes a base unit and robotic system to which additional expansion units may be added. Several expansion units may be installed in the library with the base unit so |
| 7499820 |
Method for generating a performance metric for a tensilized tape |
March 3, 2009 |
| A method for generating an anti-shrink to delta creep amplitude performance metric for a tensilized tape. The method may include the steps of determining a zero point of the tensilized tape, determining a total length of the tensilized tape, generating a zero point ratio by dividing |
| 7495871 |
Top formed grating stabilizer |
February 24, 2009 |
| A magneto-resistive sensor head and a method of manufacturing the magneto-resistive sensor head. The magneto-resistive sensor head includes a first lead and a second lead. A magneto-resistive layer and a biasing layer are disposed between the first lead and the second lead. A grating |
| 7490878 |
ESD safe vacuum wand tip |
February 17, 2009 |
| A device for safely handling electrically sensitive objects. A grounded dissipative material is used to form a handling surface so that electrically charged objects handled by the wand can slowly discharge without becoming damaged. |
| 7478315 |
Parallel spectral equalization channels with low density parity check codes |
January 13, 2009 |
| The present invention combines low density parity checking with parallel equalization channels to enhance data retrieval from tape. Viterbi analysis is done as a precursor to the use of at least one low density parity decoder. A signal decoder may include a plurality of viterbi proce |
| 7475277 |
Automated repair of damaged objects |
January 6, 2009 |
| A virtual data storage system includes a device emulator and a storage system for storing data to a plurality of physical devices in accordance with storage management policies. The data received by the device emulator is converted into a data object. The data object and object speci |
| 7461092 |
Content organization and storage method for storing holographic search database |
December 2, 2008 |
| System and method for content-addressable holographic data storage, primarily optimized with respect to search performance. A structured representation of original data, such as represented by metadata, is provided and stored in a holographic data storage medium on which a search can |
| 7447714 |
Management of multiple virtual data copies |
November 4, 2008 |
| More than two copies of data in a storage management system may be managed by directing at least one virtual volume to a receiving management class within the storage management system. Each virtual volume is exported to a third multi-volume copy, unknown to the storage management system |
| 7446297 |
Sensor and method for providing high transfer rate in page-based optical data storage |
November 4, 2008 |
| A sensor and method for page-based optical data storage. The sensor includes a partially-reflective mirror, a reflective mirror disposed substantially collinear with and spaced apart from the partially-reflective mirror, and an active layer disposed substantially collinear with and b |
| 7437511 |
Secondary level cache for storage area networks |
October 14, 2008 |
| For use in a storage area network (SAN), a virtualization layer including at least one virtual engine having a respective local cache and a secondary cache layer, wherein the secondary cache layer includes the local caches coupled together, the local caches individually including a f |
| 7436630 |
System and method for reducing micro-discharge events in a data storage device |
October 14, 2008 |
| A data storage device head having reduced media induced micro-discharge events. The data storage device head includes a support structure, and a wafer. A mitigation voltage, other than a ground potential, is presented to the wafer at a level sufficient to suppress media induced micro |
| 7426541 |
Electronic mail metadata generation and management |
September 16, 2008 |
| Electronic mail is archived and retrieved based on metadata generated by the client sending the electronic mail. The metadata is generated based on variable metadata generation policies distributed to each client. The metadata generation policies are executed in each client in conjunctio |
| 7426095 |
Media drive having a head positioning assembly utilizing a rotatable and slidable nut engaging a |
September 16, 2008 |
| A media drive having a deck and a head positioning assembly. The deck has a first threaded hole. The head positioning assembly includes a baseplate having an aperture, a nut having a second threaded hole, and an adjustment screw having first and second threaded portions. The nut rota |
| 7419729 |
Multilayered ferromagnetic laminate having alternating cobalt alloy and iron-nitrogen alloy film |
September 2, 2008 |
| A multilayered ferromagnetic laminate includes a first magnetic film having a cobalt alloy and a second magnetic film having an iron-nitrogen alloy. The films are deposited upon one another and laminated to provide a multilayered film structure having an alternating plurality of the |
| 7414805 |
Method for intelligent tape drive subsystem control and monitoring in a tape library |
August 19, 2008 |
| A method for adding intelligence into the tape drive subsystems of a media storage library. The present invention improves overall system availability by enhancing existing control, monitoring, and diagnostic functionalities. As a result of inserting intelligence into the drive trays |
| 7411872 |
Servo-tracking and three-dimensional alignment in page-based data optical storage |
August 12, 2008 |
| A system for page-based optical data storage includes a sensor array positioned to track a data page when the data page is optically read from or recorded to a storage medium. A servo mechanism is used to position the sensor array. A plurality of alignment points are defined relative to |
| 7409622 |
System and method for reverse error correction coding |
August 5, 2008 |
| A system and method for Reverse Error Correction Coding. The system includes a Constraint encoder, an Error Correction Code encoder, and a uniform interleaver. The Constraint encoder receives a source data stream and generates a first intermediate encoded data stream satisfying a first |
| 7403359 |
Method for protecting against corrosion in a GMR sensor by providing a protective coating over a |
July 22, 2008 |
| A method is provided for inhibiting corrosion in a layer of Cu or other material in a GMR sensor, wherein the GMR sensor may be used in a magnetic data storage system such as a tape drive system to substantially improve read head sensitivity. The GMR sensor comprises stacked layers of |
| 7400510 |
Canister-based storage system |
July 15, 2008 |
| The present invention provides a flexible storage system through the use of portable, removable canisters holding multiple storage subsystems. |
| 7392365 |
Dynamically changeable virtual mapping scheme |
June 24, 2008 |
| A system is provided to support dynamically changeable virtual mapping schemes in a data processing system. The present invention separates processing of data unit requirements from the selection of which storage subsystems to use for storage by using a storage methodologies inventory. |
| 7385812 |
Method and apparatus for a thermally conductive packaging technique for cooling electronic syste |
June 10, 2008 |
| A method and apparatus for a thermally conductive packaging technique for cooling electronic systems. A heat source is partially surrounded by a set of thermal transfer media. A set of thermal transfer shells partially surround the set of thermal transfer media. The heat source connectio |
| 7382585 |
Magnetic head having AMR reader, writer, and GMR reader |
June 3, 2008 |
| A magnetic head for writing data to and reading data from a magnetic recording medium includes an inductive-type writer, an anisotropic magneto-resistive (AMR) reader, and a giant magneto-resistive (GMR) reader. The AMR reader is used to read data from "high magnetic flux" recording |
| 7370220 |
Method and apparatus for controlling power sequencing of a plurality of electrical/electronic de |
May 6, 2008 |
| A method and apparatus for managing power sequencing in a data storage system. The turn-on or spin-up sequence for the media drives in an array of media drives is selectively controlled such that the overall rush current is reduced. The individual drive components are characterized to |
| 7369353 |
Apparatus for tape cartridge retention during transport |
May 6, 2008 |
| A tape cartridge transport assembly for moving a tape cartridge between a first library and a second library includes a guide arrangement disposable between the first and second libraries, and a cartridge carrier that is moveable along the guide arrangement. The cartridge carrier inc |
| 7359151 |
Magnetic head having writer with embedded write gap between wear-resistant pole tip layers |
April 15, 2008 |
| A method of fabricating a magnetic writer includes depositing a wear-resistant bottom pole tip layer on a bottom pole; depositing a write gap layer on the bottom pole tip layer; and depositing a wear-resistant top pole tip layer on the write gap layer. The layers are patterned such t |
| 7352540 |
Giant magneto-resistive (GMR) transducer having separation structure separating GMR sensor from |
April 1, 2008 |
| A giant magneto-resistive (GMR) transducer for reading data signals magnetically recorded on tape includes a GMR sensor and a separation structure formed on a front edge of the GMR sensor. The GMR sensor reads data signals magnetically recorded on a tape located at a head-tape interf |
| 7350101 |
Simultaneous writing and reconstruction of a redundant array of independent limited performance |
March 25, 2008 |
| A method, computer program product, and data processing system for continuously writing new data to a redundant array of independent storage devices without interrupting the writing of new data to the array to reconstruct missing data from a failed device or failed media is disclosed |
| 7340645 |
Data management with virtual recovery mapping and backward moves |
March 4, 2008 |
| The present invention is directed toward a data management appliance and ancillary technologies for replicating data written to a primary storage system. The data management appliance is a random-access storage system that at the logical block level replicates the contents of a primary |
