| Patent Number |
Title Of Patent |
Date Issued |
| 7420887 |
Optical storage apparatus, method for regeneration from optical storage medium, and method for r |
September 2, 2008 |
| If regeneration is not performed normally when data is regenerated from a medium, a read retry processing unit changes the intensities of the laser beam and of the regeneration magnetic field respectively to prearranged stages to perform the regeneration again. A regeneration condition c |
| 7373393 |
File system |
May 13, 2008 |
| A computer system includes a first computer for receiving access requests to files from clients, a first storage device that is connected to the first computer and stores file management information, a second computer that receives access requests to data from the first computer, and a |
| 7363352 |
Method for accessing distributed file system |
April 22, 2008 |
| In order to access a distributed file system (DFS) of the present invention using a conventional protocol such as the one for an NFS or a CIFS without making a modification on a client side, a gateway unit for receiving a conventional protocol and performing processing in conformity |
| 7356660 |
Storage device |
April 8, 2008 |
| A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a f |
| 7334058 |
File input/output control device and method for the same background |
February 19, 2008 |
| A file input/output control device for dividing a file into a plurality of fragments which are distributed to a plurality of storage devices. The file input/output control device 200, upon receiving a file from a client, constructs a plurality of fragments from a file with reference to |
| 7330950 |
Storage device |
February 12, 2008 |
| A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a f |
| 7325041 |
File distribution system in which partial files are arranged according to various allocation rul |
January 29, 2008 |
| In a distributed file system, when a user requests a computer to create a distributed file, a management computer acquires a list of computers complying with an allocation rule selected by the user from allocation rules taking the performance, security level, reliability level and ut |
| 7293131 |
Access to disk storage using file attribute information |
November 6, 2007 |
| In order to manage the various types of attribute information within the storage system, the storage system includes the following databases within a file-access controlling memory: a database for managing index information for managing contents of the files, and an index retrieval p |
| 7284041 |
Method for accessing distributed file system |
October 16, 2007 |
| In order to access a distributed file system (DFS) of the present invention using a conventional protocol such as the one for an NFS or a CIFS without making a modification on a client side, a gateway unit for receiving a conventional protocol and performing processing in conformity |
| 7165083 |
File management method in a distributed storage system |
January 16, 2007 |
| This invention enables a file to be accessed even during replication while maintaining its consistency. The replication is done among a plurality of distributed storage devices, a file is searched, in response to an access request from a client machine #11, from GUID management databases |
| 7159050 |
File input/output control device and method for the same |
January 2, 2007 |
| In a technology for dividing a file into a plurality of fragments which are distributed to a plurality of storage devices, to maintain a high level of security and fault tolerance, while storing the file on fewer storage devices than in the past.A file input/output control device 200, |
| 7146368 |
File server and file server controller |
December 5, 2006 |
| The redundancy of a file is maintained without using a centralized controller in a system where file servers are connected via a network. Each domain ND within a file storage system includes a file server FS, a monitoring server WS, and a client CL, which are connected via a LAN. Whe |
| 7143146 |
Method for accessing distributed file system |
November 28, 2006 |
| In order to access a distributed file system (DFS) of the present invention using a conventional protocol such as the one for an NFS or a CIFS without making a modification on a client side, a gateway unit for receiving a conventional protocol and performing processing in conformity |
| 7116635 |
Process execution method and apparatus |
October 3, 2006 |
| A periodic process scheduling method which includes receiving requests for periodical execution of processes each with a period of execution and execution time, securing allocation time for the shortest process to be executed in respective periods of execution, securing another allocatio |
| 7107323 |
System and method of file distribution for a computer system in which partial files are arranged |
September 12, 2006 |
| In a distributed file system, when a user requests a computer to create a distributed file, a management computer acquires a list of computers complying with an allocation rule selected by the user from allocation rules taking the performance, security level, reliability level and ut |
| 7069380 |
File access method in storage-device system, and programs for the file access |
June 27, 2006 |
| In order to manage the various types of attribute information within the storage-device system, the storage-device system includes the following databases within a file-access controlling memory: a database for managing index information for managing contents of the files, and an ind |
| 7056136 |
Floating connector and method for manufacturing therefor |
June 6, 2006 |
| A floating connector comprises an insulating housing having a plurality of first and second contacts arranged in at least one row in the housing. Each of the first and second contacts has a contact member for contacting a mating contact, a leg for connecting to a first printed circuit bo |
| 7056133 |
Surface mounting connector |
June 6, 2006 |
| The surface mounted connector has brackets attached to the ends of an insulating housing along a predetermined direction in such a manner that the brackets can float within a predetermined vertical range, and each bracket has an angled-U-shaped section that passes by an end wall of the |
| 7039012 |
Process execution method and apparatus |
May 2, 2006 |
| Periodic process scheduling method of computer system includes steps of receiving requests for periodical execution of processes each with period of execution and execution time, securing allocation time for process having shorter period than the other processes to be executed in each of |
| 7036149 |
Computer system |
April 25, 2006 |
| To solve a problem of waste of management resources/wasteful management involved in the setting of information defining access rights of multiple users to a single file and the setting of differing file attributes information for each file, this system has a file attributes DB operating |
| 6848102 |
Process executing method and resource accessing method in computer system |
January 25, 2005 |
| A process executing method capable of performing multiprocessing by using a shared resource without impairing periodical drivability of processes designed for executing continuous media processing. When a process requests the use of the shared resource, abortion of that process is first |
| 6629124 |
Multimedia data transferring method |
September 30, 2003 |
| A method of transferring multimedia data from an input device to an output device in a computer system having a plurality of input/output devices. An application program specifies an origination and destination of multimedia data transfer and orders multimedia data transfer start. A peri |
| 6400819 |
Method and apparatus for executing communication in real-time and data structure for real-time d |
June 4, 2002 |
| A data transfer management method and apparatus for reducing collision during data transfer. The invention stores a data length (m) in byte units of a plurality of packets capable of being transferred in a predetermined transmission time interval, stores the predetermined transmission ti |
| 6371810 |
Shielded connector arrangement having inner and outer shells |
April 16, 2002 |
| The shielding arrangement of the present invention is equipped with a conductive inner shell (10) that has opening (11) for receiving a mating connector (40), and an outer shell (20) that encloses parts of inner shell (10). The outer shell serves to resist outward force applied by the |
| 6337850 |
Method and apparatus for executing communication in real-time and data structure for real-time d |
January 8, 2002 |
| A data transfer management method for effectively reducing collision in data transfer includes the steps of storing a data length (M) of a plurality of packets capable of being transferred in a predetermined transmission time interval, storing the predetermined transmission time inte |
| 6321260 |
Media data communication method via network |
November 20, 2001 |
| Before starting data transfer, the sender node sends the CONNECT message requesting security of hardware resources necessary for data transfer to the receiver node. Each node relaying the CONNECT message secures the CPU time and bandwidth necessary for data transfer and sends the CONNECT |
| 6253225 |
Process executing method and resource accessing method in computer system |
June 26, 2001 |
| A process executing method capable of performing multiprocessing by using a shared resource without impairing periodical drivability of processes designed for executing continuous media processing. When a process requests the use of the shared resource, abortion of that process is first |
| 6228457 |
Optical data storage medium |
May 8, 2001 |
| There is disclosed an optical data storage medium in which the weather resistance of the semitransparent reflective film is improved and the adhesive property between the semitransparent reflective film and a substrate is enhanced, and which has a higher reliability. In an optical da |
| 6159350 |
Magnetron sputtering apparatus and mask |
December 12, 2000 |
| A magnetron sputtering apparatus for forming a thin metal film on one of the major surfaces of a light-transmitting disc-shaped substrate as a disc substrate for an optical disc as mutually intersecting magnetic fields are applied by a magnetic field application unit provided at back of |
| 6145015 |
Multimedia data transferring method |
November 7, 2000 |
| A method of transferring multimedia data from an input device to an output device in a computer system having a plurality of input/output devices. An application program specifies an origination and destination of multimedia data transfer and orders multimedia data transfer start. A peri |
| 6046559 |
Motor control method and disk unit |
April 4, 2000 |
| A motor control method stops rotation of a motor which rotates in a forward direction by applying a brake signal for rotating the motor in a reverse direction. The motor control method detects a power supply voltage, and corrects a brake signal applying time for which the brake signal is |
| 6038607 |
Method and apparatus in a computer system having plural computers which cause the initiation of |
March 14, 2000 |
| To reduce an overhead of the interrupt on a processor associated with packet send and receive control in a network, a packet send command chaining unit is provided. Based on the control field in each packet send command, a send node controls an interrupt request to the processor in the |
| 6014349 |
Storage apparatus using variable read clock frequencies for reading ZCAV recording medium |
January 11, 2000 |
| A frequency synthesizer generates, through setting of a frequency control value, a reference clock having a frequency necessary to read data from a medium. When reading data from an arbitrary position on the medium, a setting control unit sets in the frequency synthesizer a frequency con |
| 5944778 |
Periodic process scheduling method |
August 31, 1999 |
| A scheduling method of a periodic process of a computer system for keeping the execution interval of each process group constant as far as possible in the case where a plurality of process groups including periodically executed processes are executed in parallel. If a group master proces |
| 5917973 |
Waveguide type of optical arrester |
June 29, 1999 |
| A linear waveguide 12 is formed on a substrate 11. A non-linear waveguide 13 whose refractive index may vary depending on an electric field intensity of a light is formed in contact with or at a given distance from the linear waveguide 12. These waveguides form a branch structure. The |
| 5917789 |
Method and device for detecting an amount of actuator offset for an optical disk device |
June 29, 1999 |
| A method which detects an actuator offset amount for an optical disk device is disclosed. The device reproduces signals by forming a spot of a light beam from an optical system on an optical disk and has an actuator for moving the spot in a radial direction of the optical disk. The metho |
| 5892968 |
Multimedia data transferring method |
April 6, 1999 |
| A method of transferring multimedia data from an input device to an output device in a computer system having a plurality of input/output devices. An application program specifies an origination and destination of multimedia data transfer and orders multimedia data transfer start. A peri |
| 5881030 |
Downsized magneto-optical disk drive device |
March 9, 1999 |
| An optical disk apparatus is downsized. The optical disk apparatus comprises an optical disk drive mechanism having a rotating mechanism for rotating an optical disk and an optical head for optically reading data on the optical disk, and a circuit board. An analog circuit and a digital |
| 5867656 |
Method for interprocessor communication |
February 2, 1999 |
| In a computer system in which nodes are connected to each other via a network, transmission and reception buffers of sender and receiver processes are prepared as resident areas in a main storage. A node of a receiver side notifies, prior to initiation of a communication, a physical |
| 5862332 |
Method of data passing in parallel computer |
January 19, 1999 |
| In response to the issue of a request for processing long data from an application node to a server A, the server A sends a message requesting a server B for the processing of the long data. The server B requests the application node to transmit the long data to the server B by using a |
| 5818816 |
Communication device for switching connection from a working channel line to a protection channe |
October 6, 1998 |
| A communication device includes a time switch array unit which performs a switching of transmission lines. A switch unit performs a switching connection from a protection channel line among the transmission lines to a working channel line, for each channel formed in the transmission line |
| 5659777 |
Method for intraprocessor communication |
August 19, 1997 |
| In a computer system in which nodes are connected to each other via a network, transmission and reception buffers of sender and receiver processes are prepared as resident areas in a main storage. A node of a receiver side notifies, prior to initiation of a communication, a physical |
| 5594868 |
Processor unit for a parallel processor system discards a received packet when a reception buffe |
January 14, 1997 |
| A parallel processor system includes: a reception buffer pointer controller for generating an address of a reception buffer area in which a received packet is written and for checking whether there is no space area in the reception buffer area; a discard command bit capable of being set |
| 5448736 |
Method for generating a program comprised of such a portion of a series of operator-inputted com |
September 5, 1995 |
| In a computer system, a plurality of commands selected by an operator are sequentially inputted to specify respective processing to be executed and respective data to be used in the processing. Each of the inputted commands is executed before an input of a command subsequent thereto to |
| 5347271 |
Network switching contorol method and system |
September 13, 1994 |
| A network switching control met:hod controls switching from an active route to a protection route when a failure has occurred in any of nodes of a communications network or any of transmission paths connecting the nodes so that the communications network is formed. Route switching is per |
| 5274809 |
Task execution control method for a multiprocessor system with enhanced post/wait procedure |
December 28, 1993 |
| Task execution control for a multiprocessor wherein at a time point when a post issue task ends the use of a shared resource, the shared resource is released, another task which is running on another processor is allowed to lock the shared resource, and thereafter the task is made ready. |
| 5062046 |
Multiple processor system having a correspondence table for transferring processing control betw |
October 29, 1991 |
| A multiple processor system composed of a plurality of instruction processors allows a plurality of its subsystems for performing data processing in each unit to be operable simultaneously with and parallel to each other in each of the instruction processors. The multiple processor s |
| 4989130 |
System for determining and storing valid status information received from cross coupled unit |
January 29, 1991 |
| An initial status setting system in a multi-unit system constructed of a plurality of units wherein at least a set of status data is held in registers in at least two of the plurality of units, both units indicating whether or not the set of status data held in each of the registers is |
| 4831617 |
Data communication system having means for switching between main and stand-by apparatuses |
May 16, 1989 |
| A data communication system in which a pair of communication offices are provided in a 1:1 correspondence, each communication office including duplex constructed transmission-reception apparatuses, and a switching control unit for switching between the duplex constructed transmission |
