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Fujitsu Limited Patents
Assignee:
Fujitsu Limited
Address:
Kawasaki, JP
No. of patents:
25487
Patents:












Patent Number Title Of Patent Date Issued
RE43369 Mobile communication system enabling efficient use of small-zone base stations May 8, 2012
A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stations is assigned an ord
RE43342 Mobile communication system enabling efficient use of small-zone base stations May 1, 2012
A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stations is assigned an ord
RE43138 Mobile communication system enabling efficient use of small-zone base stations January 24, 2012
A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stations is assigned an ord
RE43010 Mobile terminal and moving body operation management system December 6, 2011
The present invention relates to an operation management system for a moving body such as a vehicle using a mobile terminal. The present invention reliably and accurately records the operating conditions of vehicles, which enables management to gather accurate information regarding t
RE42466 Branch predicting apparatus and branch predicting method June 14, 2011
A branch history stores execution history information of branch instructions, and predicts presence of a branch instruction and a corresponding branch destination. A first return address stack stores, when an execution of a call instruction of a subroutine is completed, address infor
RE42374 Mobile communication system enabling efficient use of small-zone base stations May 17, 2011
A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stations is assigned an ord
RE42326 Mobile communication system enabling efficient use of small-zone base stations May 3, 2011
A mobile communication system includes a plurality of radio base stations forming respective radio zones and a mobile station selecting a wait zone and a base station to which a request for a message channel is to be issued. Each of the plurality of radio base stations is assigned an ord
RE42105 OBJECT-ORIENTED PROGRAMMING APPARATUS, OBJECT-ORIENTED PROGRAMMING SUPPORTING APPARATUS, COMPONE February 1, 2011
As to an object-oriented programming, reuse of softwares is enhanced and running speed is improved. There are made up a data element list in which pointers to data storage areas of object A are arranged and a pointer element list in which pointers to pointer storage areas of object B are
RE41138 OBJECT-ORIENTED PROGRAMMING APPARATUS, OBJECT-ORIENTED PROGRAMMING SUPPORTING APPARATUS, COMPONE February 16, 2010
.[.As to an object-oriented programming, reuse of softwares is enhanced and running speed is improved. There are made up a data element list in which pointers to data storage areas of object A are arranged and a pointer element list in which pointers to pointer storage areas of object
RE40695 Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of April 7, 2009
The present invention relates to a clock phase detecting circuit and a clock regenerating circuit each arranged in a receiving unit of multiplex radio equipment. The receiving unit of the multiplex radio equipment includes an identifying circuit for identifying a signal obtained by d
RE40547 Software reproduction apparatus October 21, 2008
This invention provides an input switchover means for switching input routes according to the type of medium or communications, a software management means for decoding encrypted software information and for managing monetary charges according to the usage amounts of this software, a
RE40390 OBJECT-ORIENTED PROGRAMMING APPARATUS, OBJECT-ORIENTED PROGRAMMING SUPPORTING APPARATUS, COMPONE June 17, 2008
As to an object-oriented programming, reuse of softwares is enhanced and running speed is improved. These are made up a data element list in which pointers to data storage areas of object A are arranged and a pointer element list in which pointers to pointer storage areas of object B are
RE40189 Method and apparatus for object oriented programming in component building, its storage medium, March 25, 2008
As to an object-oriented programming, reuse of softwares is enhanced and running speed is improved. There are made up a data element list in which pointers to data storage areas of object A are arranged and a pointer element list in which pointers to pointer storage areas of object B are
RE40168 Low power circuit with proper slew rate by automatic adjustment of bias current March 25, 2008
An evaluation circuit 16 repeats processing in which an output VD thereof is reset, there is obtained repeatedly given times a difference between sampled output voltages Vo of a replica circuit 11R when respective times t1 and t2 have elapsed after a voltage Vi is step-inputted to the re
RE40053 Delay circuit having delay time adjustable by current February 12, 2008
A delay circuit includes a delay part delaying a signal by a delay time which can be varied based on a control current, and a control current adjustment circuit adjusting the control current so that the delay time changes linearly based on a variation in a resistance value.
RE40036 Surface acoustic wave filter January 29, 2008
A SAW filter includes a first SAW resonator having a pair of terminals and a predetermined resonance frequency (f.sub.rp), the first SAW resonator being provided in a parallel arm of the SAW filter. A second SAW resonator has a pair of terminals and a predetermined resonance frequency
RE39802 Storage medium for preventing an irregular use by a third party August 28, 2007
A storage medium stores encrypted electronic data, a medium personal number which is unique for each storage medium and encrypted permission information. At least the medium personal number is written onto the storage medium in an un-rewritable form which a user computer cannot rewri
RE39452 TFT substrate with low contact resistance and damage resistant terminals January 2, 2007
A conductive film made of Al or alloy containing Al as a main component is formed on an underlying substrate. An upper conductive film is disposed on the conductive film. A first opening is formed through the upper conductive film. An insulating film is disposed on the upper conductive
RE39317 System for server obtaining terminal address via searching address table or via broadcasting to October 3, 2006
A originating terminal sends an ATM address interrogation request to a server if the ATM address of another party's terminal is unknown at the time of communication. Upon receiving the ATM address interrogation request from the terminal, the server refers to an ATM address table, sea
RE38819 Surface discharge type plasma display panel divided into a plurality of sub-screens October 11, 2005
A surface-discharge type PDP includes plural electrode pairs formed of first and second sustain electrodes arranged on a first substrate. Each pair extends along a line direction, and the first and second sustain electrodes are in parallel and adjacent to each other. Plural address e
RE38719 Adjust bit determining circuit April 5, 2005
A recording medium for a computer contains sectors, each of which represents a section of data that has originally been supplied by a user. As the user data is sent to the recording medium from the memory of the computer, an adjust bit determining circuit determines the adjust bit for
RE38587 Magnetic recording medium September 14, 2004
The present invention relates to a magnetic recording medium for use in an external memory device of an information processing apparatus etc., and an object thereof is to reduce noise, achieve high coercive force, and use the substance as a magnetic recording medium for detecting signals
RE38365 Data updating method using overlap area and program converting device for converting update prog December 23, 2003
In a parallel processor, a local area and an overlap area are assigned to the memory of each processing element (PE), and each PE makes calculations to update the data in both areas at the runtime. If the data in the overlap area is updated in processes closed in the PEs, the data transf
RE38278 Surface acoustic wave device and production process thereof October 21, 2003
This invention relates to a surface acoustic wave device and a production process thereof. An electrode is formed by alternately laminating a film of an aluminum alloy containing at least copper added thereto and a copper film on a piezoelectric substrate. While the particle size of the
RE38002 Process for providing a surface acoustic wave device February 25, 2003
This invention relates to a surface acoustic wave device and a production process thereof. An electrode is formed by alternately laminating a film of an aluminum alloy containing at least copper added thereto and a copper film on a piezoelectric substrate. While the particle size of the
RE37869 Head signal supply/retrieval structure for magnetic disc drive October 8, 2002
A disk drive having a connection structure between a head and a main flexible printed circuit sheet, allowing a signal to be supplied to and taken out of a head in response to size reduction and thickness reduction of the disk drive. The disk drive includes an actuator arm rotatably
RE37803 Chemical data handling system July 23, 2002
A chemical data handling system is characterized by a display system which displays each data of many compound with an image of a table sheet where the chemical structures are arranged in the direction X and general characteristic data items are arranged in the direction Y. For realizing
RE37790 Surface acoustic wave filter July 16, 2002
A SAW filter includes a first SAW resonator having a pair of terminals and a predetermined resonance frequency (f.sub.rp), the first SAW resonator being provided in a parallel arm of the SAW filter. A second SAW resonator has a pair of terminals and a predetermined resonance frequency (f
RE37444 Method and apparatus for driving display panel November 13, 2001
An apparatus and method for driving a display panel, e.g., AC PDP, having a first substrate, at least one display line including first electrodes and second electrodes disposed in parallel with each other on the first substrate, a second substrate facing the first substrate, and third
RE37435 Supervision control system November 6, 2001
A supervision control system for an ATM cell switching system counts the number of cells transmitted from a subscriber in a predetermined duration unit, attaches a sign to the cells when the counted value exceeds a predetermined value, and discards the cells to which the sign is attached
RE37401 Fault recovery system of a ring network October 2, 2001
A fault recovery system of a ring network based on a synchronous transport module transmission system, having a fault data writing unit for writing, when an input fault is detected by a node, fault data in a predetermined user byte in an overhead of a frame flowing through both a working
RE37375 Surface acoustic wave filter September 18, 2001
A SAW filter includes a first SAW resonator having a pair of terminals and a predetermined resonance frequency (f.sub.rp), the first SAW resonator being provided in a parallel arm of the SAW filter. A second SAW resonator has a pair of terminals and a predetermined resonance frequency (f
RE37273 Synchronous semiconductor device with discontinued functions at power down July 10, 2001
A synchronous semiconductor device operates in synchronism with clock signal supplied from an external unit. The synchronous semiconductor device can be set in a first mode (a CSUS mode) and a power down mode (a PD mode) as an operation mode when a predetermined external signal (a CKE
RE37217 Operational amplifier having stable operations for a wide range of source voltage, and current d June 12, 2001
An operational amplifier has a differential amplification section, an output section, a control signal generation unit, and a drive control unit. The output section has a first transistor of a first conductivity type and a second transistor of a second conductivity type that is oppos
RE37083 Method and apparatus for driving surface discharge plasma display panel March 6, 2001
A method of driving a surface discharge plasma display panel has a reset step of applying a pulse of a first voltage to paired first and second electrodes, a write step of applying a pulse of a second voltage to second and third electrodes corresponding to cells to be turned ON, and a su
RE36929 Robot control system October 31, 2000
A robot control system includes: an end effector for acting upon an object to be worked; a manipulator mechanically supporting the end effector to apply predetermined movements to the end effector; a plurality of sensors mounted on the end effector to detect a position (x) of the end eff
RE36851 Method and circuit for shortcircuiting data transfer lines and semiconductor memory device havin September 5, 2000
There is provided a method of controlling data transmission lines of a semiconductor memory device which has a first pair of data transmission lines to which a sense amplifier and memory cells are connected, and a second pair of data transmission lines to which a read circuit and a write
RE36769 Card type input/output interface device and electronic device using the same July 11, 2000
A card type input/output interface device includes a first connection part for transferring data between a main body of an electronic device and the card type input/output interface device, a second connection part which is coupled to the first connection part and transfers data between
RE36590 Apparatus and method for accurately scanning a light beam across tracks of a recording medium February 29, 2000
A lens is accelerated on a coarse tracking carriage while enabling a lens position servo, which moves the carriage so that the lens returns to a neutral position on the carriage. After the beam spot becomes fast enough, the carriage is accelerated and decelerated until the beam spot arri
RE36224 Microwave plasma processing process and apparatus June 8, 1999
A microwave plasma processing process and apparatus useful in the fabrication of integrated circuit (IC) or similar semiconductor devices, wherein the object or material to be processed, such as a semiconductor wafer, is processed with plasma generated using microwaves transmitted th
RE36159 Semiconductor integrated circuit device having built-in voltage drop circuit March 23, 1999
A semiconductor integrated circuit device includes a voltage drop circuit for generating a dropped voltage from a power supply voltage externally supplied to a power supply line, and a plurality of circuits respectively connected to the voltage drop circuit and driven by the dropped volt
RE36100 Software asset systemizer February 16, 1999
A software asset systemizing apparatus which arranges existing software assets. A language determinant keyword storing unit stores keywords for judging the descriptive language names of software assets. An asset name analysis keyword storing unit stores keywords for analyzing the asset
RE36088 Optical transmitter February 9, 1999
An optical, transmitter with a stabilized operating point for an optical transmitter, especially for that including a Mach-Zehnder optical modulator, is disclosed. An optical modulator is provided which modulates a light beam from a light source according to a driving voltage from a
RE36014 Voltage storage circuits December 29, 1998
A voltage storage circuit, for use for example in an analogue-to-digital converter, includes an input switch element connected between an input node (IN) of the circuit and a first plate of a storage capacitor. The other plate of the capacitor is connected to a common terminal 3 of the
RE35953 Semiconductor dynamic memory device November 10, 1998
A dynamic semiconductor memory device comprising a plurality of memory blocks each including a sense amplifier array and a pair of memory cell groups, a row decoder for selecting a row line within the plurality of memory blocks, a column decoder which is common to the plurality of memory
RE35109 Semiconductor device and method for fabricating the same December 5, 1995
In a plastic molded semiconductor device in which inner leads overlap a semiconductor chip in a molded plastic body, the width of the chip may be close to the width of the plastic body without a decrease in the high resistance of the inner leads to the pull out thereof from the plastic
RE34400 Method for fabricating isolation region in semiconductor devices October 5, 1993
A method for fabricating an isolation region in a semiconductor substrate that produces neither a "bird's beak" nor a "bird's head". A smooth substrate surface is provided, which is preferable for multi-layered wiring. The packing density of devices in a bipolar IC circuit can be inc
RE34270 Divided housing for supporting magnetic disks June 1, 1993
A divided housing for supporting magnetic disk devices therein is described. The housing is separated into a shell which supports a magnetic disk pack and a magnetic head positioner, and a cover to close the opening of the shell. Spindles of the disk pack and the head positioner are
RE33688 Automatic transaction machine September 10, 1991
An automatic transaction machine including reading device for reading data recorded in a transaction medium for an user, an operation guidance device for guiding an operation for the user. an input device for imputting necessary data input by the user according to the operation guidance
RE33672 Method for measuring characteristics of living tissue by ultrasonic waves August 27, 1991
Ultrasonic waves of at least three independent frequency bands having different center frequencies are transmitted into a living body from its skin surface and reflected waves are analyzed, by which living tissue characteristics are measured. The reflected waves from various depths in

 
 
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