Patents Assigned to Fujitsu
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Patent number: 8804311Abstract: To provide an electrolyte solution, which contains an electrolyte compound, a molecular structure of which contains a molecular chain containing a repeating unit of alkylene oxide, and contains quaternary ammonium cations at both terminals of the molecular chain.Type: GrantFiled: September 14, 2012Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Masaaki Sasa, Tamotsu Yamamoto, Tsutomu Tanaka, Kensuke Yoshida
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Patent number: 8806286Abstract: In a wireless communication system, a sender apparatus sends a data block, for each of a plurality of stream data, with data block identification information, which does not conflict between stream data, annexed, and a reception apparatus performs a re-sending synthesis process for a data block received already and a re-sending data block to which the same data block identification information is individually annexed based on the data block identification information annexed to the received data block. Consequently, also in a case wherein the number of transmission streams between the sender apparatus and the reception apparatus is varied (reduced), the matching property of the data block which is a re-sending synthesis target can be maintained and communication can be continued normally.Type: GrantFiled: April 16, 2009Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Yoshiaki Ohta, Kazuhisa Obuchi, Kazuo Kawabata, Yoshihiro Kawasaki, Yoshiharu Tajima, Hideto Furukawa
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Patent number: 8806318Abstract: A fault analyzing circuit has: a comparing circuit to compare fault data stored in a storage area with a fault being caused with data of an alternation register; and a position identifying circuit to identify an error bit position from data of a comparative result of the comparing circuit.Type: GrantFiled: July 31, 2012Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Takahito Hirano
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Patent number: 8806102Abstract: A cache system includes a primary cache memory configured to input and output data between a computation unit, the primary cache memory includes multi-port memory units each including a storing unit that stores unit data having a first data size, a writing unit that simultaneously writes sequentially inputted plural unit data to consecutive locations of the storing unit, and an outputting unit that reads out and outputs unit data written in the storing unit, wherein when writing data having a second data size that is an arbitrary multiple of a first data size and is segmented into unit data to the primary cache memory, the data is stored in different multi-port memory units by writing the sequential unit data to a subset of the multi-port memory units, and writing the other sequential unit data to another subset of the multi-port memory units.Type: GrantFiled: January 25, 2011Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Takahito Hirano
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Patent number: 8804706Abstract: An information processing system includes information processing devices and relay devices to relay data between the information processing devices, the relay devices each including communication ports, a transmission/reception control unit to cause a first transmission/reception operation and a second transmission/reception operation to be selectively executed, the first transmission/reception operation being an operation in which data is transmitted and received at a first transmission speed, the second transmission/reception operation being an operation in which data is transmitted and received in parallel at a second transmission speed lower than the first transmission speed, and a data division unit to generate pieces of division transmission data whose number is equal to the number of the communication ports by dividing transmission data to cause the generated pieces of division transmission data to be transmitted through the respective communication ports, when the second transmission/reception operatiType: GrantFiled: December 1, 2011Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Keisuke Yamasaki
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Patent number: 8804796Abstract: In a wireless apparatus, a first receiver receives, from a wireless reception apparatus, a transmit beam pattern with better reception quality among transmit beam patterns of a transmitter switched to by a first switching unit. A generation unit generates a transmit beam pattern obtained by rotating a phase of the received transmit beam pattern. A second switching unit switches a transmit beam pattern of the transmitter to the received transmit beam pattern and the generated transmit beam pattern. A second receiver receives, from the wireless reception apparatus, the transmit beam pattern of a combination with better reception quality out of combinations of the switched transmit beam patterns and receive beam patterns switched to by the wireless reception apparatus. A setting unit sets a transmit beam pattern of the transmitter in the transmit beam pattern received by the second receiver.Type: GrantFiled: January 4, 2013Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Liang Zhou
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Patent number: 8804806Abstract: Disclosed is a symbol timing recovery circuit which includes an interpolator to generate, using a first filter, interpolation data of an input signal; a forward equalizer to eliminate, using a second filter, a forward interference wave from the input signal based on the interpolation data, and to output the resultant signal after the elimination, a first identification signal, and a first error signal; a backward equalizer to eliminate, using a third filter, a backward interference wave from the input signal based on the interpolation data, and to output the resultant signal after the elimination, a second identification signal, and a second error signal; and a timing recovery unit to generate a tap coefficient of the first filter, based on a tap coefficient of the second filter, a tap coefficient of the third filter, the first identification signal, the first error signal, the second identification signal, and the second error signal.Type: GrantFiled: June 26, 2012Date of Patent: August 12, 2014Assignee: Fujitsu Semiconductor LimitedInventor: Tatsuaki Kitta
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Patent number: 8806130Abstract: A memory access device includes a second memory coupled between a processor and a first memory; a memory controller configured to transfer a data from the first memory to the second memory based on a transfer request; a read controller configured to read the data from the second memory, output the data to the processor, and control a read pointer indicating an address reading the data from the second memory; and a write controller configured to output the transfer request to the memory controller, wherein the write controller computes an available capacity of the second memory based on the read pointer, a size of the second memory and a cumulative addition value obtained by adding cumulatively a size of the data which is requested from the processor, and outputs the transfer request based on the available capacity.Type: GrantFiled: April 1, 2010Date of Patent: August 12, 2014Assignee: Fujitsu Semiconductor LimitedInventors: Shigeyasu Murase, Ayuko Uchida, Akio Kanzaki
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Patent number: 8800141Abstract: There is provided a method for fabricating a device, preferably for a micro electro electro mechanical system. The method includes forming a first electrode on a substrate, where the first electrode has a first sloped end at least at one end thereof; forming a sacrificial layer on the first electrode, where the sacrificial layer has a first sloped edge, the first sloped edge and the first sloped end are overlapped each other so that a thickness of the first sloped edge decreases as a thickness of the first sloped end increases; forming a first spacer on the first electrode, where the first spacer has contact with the first sloped edge; forming a beam electrode on the sacrificial layer and the first spacer; and removing the sacrificial layer after the forming the beam electrode.Type: GrantFiled: March 1, 2011Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Takashi Katsuki, Takeaki Shimanouchi, Masahiko Imai, Osamu Toyoda, Satoshi Ueda
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Patent number: 8805127Abstract: An optical waveguide device includes: a substrate which has an electro-optical effect; an optical waveguide which is formed on the substrate and/or inside the substrate; and an in-substrate electrode which is formed of a metal and provided inside the substrate.Type: GrantFiled: October 10, 2013Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Tetsuya Miyatake, Takashi Shiraishi, Masaharu Doi
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Patent number: 8804175Abstract: A printer includes a first feeder that feeds a first sheet, a second feeder that feeds a second sheet, a feed position on the second feeder being set so that the second sheet overlaps the first sheet when the second sheet is ejected, a stacker that collects the first sheet and the second sheet on which printing has been carried out so that the first sheet and the second sheet overlap, and a processor that determines whether a sectioning command is included in a print request, and when a sectioning command is included, switches over between the first feeder and the second feeder for each print job.Type: GrantFiled: August 16, 2012Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Junichi Yamauchi
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Patent number: 8803664Abstract: A radio wave control apparatus includes a detecting unit that detects an object, other than a communication target device, in a radiation range to which a radio wave radiating unit radiates predetermined radio waves in each of a plurality of radiation directions; and a radiation range determining unit that determines a radiation range in each of the radiation directions such that the predetermined radio waves are radiated over a predetermined communication range, in which the communication target device is communicable using the predetermined radio waves, and no no-communication area that is caused when the predetermined radio waves reflected on the object is caused in the communication range.Type: GrantFiled: May 19, 2010Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Teruhisa Ninomiya
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Patent number: 8803609Abstract: An amplifier may include a gain stage configured to convert an input voltage signal to a current signal and to amplify the input voltage signal according to a gain. The amplifier may also include a buffer stage coupled to the gain stage at an internal node. The buffer stage may be configured to convert the current signal to an output voltage signal and to buffer the current signal from the gain stage so that a frequency bandwidth of the amplifier may be approximately maintained when the gain of the gain stage is increased.Type: GrantFiled: May 10, 2012Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Shuo-Chun Kao, Scott McLeod
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Patent number: 8803746Abstract: There is provided a portable device which includes a first housing, a housing member removable from the first housing, where the housing member includes an exposed portion, the exposed portion projecting from the first housing when the housing member is inserted in the first housing, a second housing coupled with the first housing so as to be allowed to be folded on the first housing, the second housing including a wall made of electrical insulating material, and an antenna disposed in the second housing and surrounded partially with the wall, a part of the antenna and the exposed portion facing each other via the wall when the first and second housings are folded on each other.Type: GrantFiled: March 22, 2012Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Shinya Matsushita, Daisuke Mihara, Takashi Abe
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Patent number: 8806087Abstract: In a communication apparatus data is inputted to an input section. A priority determination section determines priority of the data inputted by the input section. If the priority of the data determined by the priority determination section is higher than a determined value, then a speed control section sets a transmission speed of the data outputted from an output section to a high value. On the other hand, if the priority of the data determined by the priority determination section is lower than the determined value, then the speed control section sets the transmission speed of the data outputted from the output section to a low value. The output section outputs the data at the set transmission speed.Type: GrantFiled: December 29, 2011Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Naozumi Anzai
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Patent number: 8803549Abstract: A latch circuit includes a feedback circuit having inverter circuits and at least two input terminals and an input circuit for inputting input signals or signals having the same phase as the input signals to the input terminals of the feedback circuit in synchronization with a clock signal. In the feedback circuit section, only when the input signals or the signals having the same phase as the input signals are input to the at least two input terminals at the same time, positive feedback using a predetermined number of amplification stages is applied to the input terminals.Type: GrantFiled: September 19, 2011Date of Patent: August 12, 2014Assignee: Fujitsu Semiconductor LimitedInventors: Taiki Uemura, Yoshiharu Tosaka
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Patent number: 8805080Abstract: The present embodiments disclose a method of and device for identifying the direction of characters in an image block. The method includes: performing optical character recognition processing on the image block by assuming various directions as assumed character directions to obtain sub image blocks, recognized characters corresponding to the sub image blocks and correctness measures thereof in each assumed character directions; in sub image blocks in the assumed character directions with 180° mutual relation, searching for a minimum matching pair of the sub image blocks; adjusting the sub image blocks in the searched minimum matching pair to eliminate the effect, on an identification result, of different numbers of sub image blocks in various assumed character directions; calculating an accumulative correctness measure in each assumed character directions based on the adjusted sub image blocks; and identifying the direction of characters in the image block according to the accumulative correctness measures.Type: GrantFiled: May 16, 2012Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Jun Sun, Satoshi Naoi
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Patent number: 8804600Abstract: In a communication system that further includes a receiving apparatus and a transmitting apparatus that after a given period that starts after transmission of a wireless signal to the receiving apparatus, receives delivery confirmation information concerning the wireless signal, a relay apparatus includes a receiver that receives and decodes the wireless signal transmitted by the transmitting apparatus; a determiner that determines whether the decoded wireless signal is subject to relay; a notifier that, if the determiner determines that the wireless signal is subject to relay, notifies the transmitting apparatus of relay information indicating that the wireless signal is to be regenerated and relayed; and a transmitter that transmits to the receiving apparatus, the wireless signal that has been determined to be subject to relay.Type: GrantFiled: October 14, 2011Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventor: Kenji Suda
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Patent number: 8805094Abstract: In some embodiments, information associated with a first plurality of image pairs is received. Each image pair is assessed to detect visual pairwise differences that qualify as an error. A visual pairwise difference may be a difference with respect to at least one of position, size, color, or style. A prediction engine is trained based upon the assessed visual pairwise differences. Information associated with a second plurality of image pairs is received. Each of these image pairs comprises at least a portion of a visual end-user experience screen of an event-driven application executed in a client-tier environment. Each of these image pairs is assessed, using the prediction engine, to detect visual pairwise differences that qualify as an error. User feedback is received, indicating that at least one assessed pairwise difference should not have qualified as an error. The prediction engine is then re-trained based on the user feedback.Type: GrantFiled: September 29, 2011Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Mukul R. Prasad, Shauvik Roy Choudhary
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Patent number: 8806163Abstract: A storage system includes a first storage unit, a second storage unit and a controller to receive a write request for updated data to a first storage unit from the host and write the updated data into the first storage area, when the controller determines that there is not a free area in a storage area to be processed in the second storage unit, the controller changes the storage area to be processed to another storage area to be processed and instructs change of a storage area to be processed to another storage system to be connected to the host, and the controller reads the updated data from the first storage unit and transmits the updated data and writing destination information relating to the updated data to another storage system for backup.Type: GrantFiled: August 27, 2012Date of Patent: August 12, 2014Assignee: Fujitsu LimitedInventors: Takashi Kawada, Yoshinari Shinozaki, Hidenori Yamada