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Fujitsu Limited Patents
Assignee:
Fujitsu Limited
Address:
Kawasaki, JP
No. of patents:
21133
Patents:




Patent Number Title Of Patent Date Issued
D313016 Automatic cartridge loader for magnetic tape unit December 18, 1990
D307700 Process cartridge May 8, 1990
D304642 Automated teller machine November 14, 1989
D303963 Portable telephone October 10, 1989
D303536 Cash register September 19, 1989
D303448 Automated teller machine September 12, 1989
D297009 Mobile telephone set August 2, 1988
D293243 Keyboard December 15, 1987
D292922 Portable telephone set November 24, 1987
D286051 Line printer October 7, 1986
D283707 Mobile telephone set May 6, 1986
D282937 Cash dispenser March 11, 1986
D282070 Computer January 7, 1986
D279191 Keyboard June 11, 1985
D278626 Mobile telephone set April 30, 1985
D278542 Point of sale terminal April 23, 1985
D276719 Integrated circuit device December 11, 1984
D269441 Electronic cash register June 21, 1983
D262882 Computer control terminal February 2, 1982
D262705 Cathode ray tube computer display January 19, 1982
7624324 File control system and file control device November 24, 2009
A file control system performing DMA (direct memory access) transfer is provided. The file control system includes file control devices, and each of the file control devices is provided between a host computer and an external storage device. A first file control device among the file
7624301 Method and apparatus for identifying failure module November 24, 2009
A failure-data register unit receives failure data from a failure detecting module. Based on the failure data, a test-execution instructing unit instructs each module to execute access tests for the module accessed when the failure detecting module detected the failure. When a test-r
7623863 System and method for adjusting connection parameters in a wireless network November 24, 2009
A method for adjusting connection parameters in a wireless network includes establishing a first wireless connection with a base station using a first channel and establishing a second wireless connection with an endpoint using a second channel. The method also includes receiving via
7623847 Information processing unit November 24, 2009
An information processing unit, such as a mobile phone, equipped with a fingerprint sensor and reconciles size reduction with operability at a high level. Adjacent to an operation panel is a V-shaped groove which contains a first slope stretching away from the operation panel and sla
7623832 Wireless communication apparatus November 24, 2009
A wireless communication apparatus that provides an electronic apparatus with a wireless communication capability includes a connector connectable to the electronic apparatus, and an antenna section that is movable between a first position that covers said connector, and a second pos
7623794 Wavelength division-multiplex system November 24, 2009
A power-down delay unit for delaying cutoff of a voltage is provided in a power supply line which supplies electrical power to an optical module of a transponder unit for each optical wavelength. The power-down delay unit assigns different delays for each wavelength. The length of the de
7623792 Clock extracting method and apparatus thereof November 24, 2009
A clock extracting apparatus arranges bit intervals of a signal light train incident on a signal light processing section to have uneven periods, makes bit intervals between a predetermined signal light and signal lights adjacent to the predetermined signal light to be longer than a
7623791 Optical signal multiplexing device and optical signal multiplexing method November 24, 2009
An optical signal multiplexing device includes a delay-amount adjusting unit that converts wavelengths of optical signals to be multiplexed when the optical signals are obtained, and adjusts delay amounts of the optical signals by passing the wavelength-converted optical signals thro
7623787 Wavelength division multiplexing transmission apparatus using a multiple wavelength light source November 24, 2009
One of two optical fibers connecting communication stations is used for transmitting multiple wavelength light supplied from a multiple wavelength light source supply apparatus, and the other for a bidirectional communication using optical signals of respective wavelengths generated
7623543 Token-controlled data transmissions in communication networks November 24, 2009
A network includes multiple nodes interconnected to form a ring topology. These nodes support data transmissions over the network using tokens. To send and receive data over the network, nodes may process control messages. A node can receive a token authorizing transmission on one of
7623536 Network relaying method and device November 24, 2009
In a network relaying method and device at a time of distributing data from a server to a client by multicast, join/leave information transmitted by the client to a multicast group is discriminated, the join/leave information of the client is processed into multicast join/leave notif
7623523 System for connecting information processing devices associated with IP telephones November 24, 2009
An information processing apparatus for call control and management stores IP addresses of first and second IP telephones and first and second information processing devices associated with the respective IP telephones. When the information processing apparatus receives from the firs
7623465 Network monitoring program, network system and network monitoring method November 24, 2009
A network system capable of easily, if a communication abnormality occurs at an application level, troubleshooting a cause of the abnormality, includes a plurality of monitoring target computers, a network monitoring device and a plurality of network devices for relaying TCP communic
7623346 Electronic component unit and electronic apparatus November 24, 2009
Airflow is introduced into an enclosure through an air inlet in an electronic component unit. The airflow runs toward a first electronic component. The airflow absorbs heat from the first electronic component. The first electronic component is thus sufficiently cooled. A second elect
7623317 Magnetic disk device and magnetic recording medium November 24, 2009
A magnetic disk device has a magnetic recording medium in which one servo track and an array of at least one data track are formed alternately. A head portion includes a set of reading heads arranged in a radius direction of the magnetic recording medium for reading signals from the
7623314 Head control device, storage device, and contact detection method November 24, 2009
A head control device for controlling, through thermal expansion of a heater, a position of a head for reading and writing data from and to a storage medium, includes a heater control unit that increases a current supplied to the heater stepwise; and an external-force sample retrieving
7622184 Multilevel interconnection board and method of fabricating the same November 24, 2009
A stack of 50 layers of a first pitch-base carbon fiber sheet is formed, two sets of stack each having two second pitch-base carbon fiber sheets stacked therein are fabricated. At this time, the second carbon fiber sheets have a thermal expansion coefficient larger than that of the first
7621310 Apparatus for manufacturing bonded substrate November 24, 2009
The present invention provides an apparatus for manufacturing a bonded substrate that suppresses a defect in the bonded substrate. When the pressure in a vacuum chamber is at the atmospheric level, upper and lower chuck units respectively attract substrates through vacuum. When the v
7620982 Method and apparatus for computer lock management, and computer product November 17, 2009
An occupancy state of access to a predetermined device when lock processing is to be executed is detected, and whether the lock processing is to be stopped is decided based on the result of the detection.
7620882 Decoder and decoding method for decoding a code by selecting a path out of paths in a trellis di November 17, 2009
A decoder decodes a code by selecting, based on a predetermined condition, a path out of paths representing a transition of each of states in a trellis diagram. A storing unit stores, when a path at time k is selected, information on a selection history of a path selected at time pri
7620873 Encoder, decoder, methods of encoding and decoding November 17, 2009
An information sequence having a code length of N (N=K+M), where K is information length and M is parity length, is encoded into a code sequence by using an LDPC code. The LDPC code is generated based on a matrix H, with M rows and N columns. The matrix H includes a check matrix H.su
7620771 Magnetic disk apparatus, method for adjusting performance of magnetic disk apparatus, and method November 17, 2009
A magnetic disk apparatus includes an input unit that inputs information on the number of sectors, which should be included in each cell, defined as performance adjusting information, a calculating unit that calculates, for each cell, the number of sectors included in the cell on the bas
7620676 Lookup table and data acquisition method November 17, 2009
Input data is divided into a plurality of blocks, and the blocks are corresponded to each address of the lookup table, and a block is divided into a plurality of sections according to the change of the output data, and at this time position information to indicates the boundary of the
7620536 Simulation techniques November 17, 2009
The application describes various techniques for improving the accuracy and numerical stability of computer-implemented simulations which employ subgridding techniques. In particular, techniques are described in which information is transferred across a common interface between two n
7620388 Portable telephone set, conversation simulation method, and conversation simulation program November 17, 2009
A portable telephone set has a function of conversation simulation with a user allows the user to easily perform pretended communication, and is provided with a scenario information storage unit storing conversation simulation scenario information using data prepared depending on an
7620321 Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and o November 17, 2009
An optical transmitting apparatus is configured such that K pieces of output ports of optical path switching units whose input port is connected to k-th input transmission path are connected to first to K-th output transmission paths except for the k-th output transmission path and t
7620213 Authentication device using anatomical information and method thereof November 17, 2009
Collation information comprises anatomical information, such as finger print feature information, etc., and identification information. For the identification information, the serial number or equipment description of a device by which the anatomical information is collected, information
7620138 Apparatus for receiving parallel data and method thereof November 17, 2009
A data reception apparatus adjusts a first clock signal and fetches the data signal in a data buffer, using a data signal in accordance with the adjustment clock signal in such a way that a set-up time and a hold time of the data signal are secured for each bit or for each group of paral
7620043 Using CRC-15 as hash function for MAC bridge filter design November 17, 2009
A hash function for a MAC bridge filter that improves bridge performance by reducing overflow of the MAC bridge database and which reduces cost of the device by using relatively few hardware resources. A CRC hash function is used to randomize the search string in the MAC bridge filter
7619988 Network configuration management apparatus, network configuration management program and network November 17, 2009
According to this invention, it is possible to display the overall configuration of a network and, at the same time, an important part of the network in detail according to the objective of monitoring so as to be able to grasp/monitor the important part of the network in detail, whil

 
 
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