Patents Represented by Attorney Antonelli, Terry, Stout and Kraus, LLP
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Patent number: 8341244Abstract: An object of the present invention is to provide a communication apparatus and a data distribution system which are fast in the response speed of data distribution and require less space and less electric power.Type: GrantFiled: December 10, 2009Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventor: Takashi Isobe
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Patent number: 8338033Abstract: A nonaqueous lithium secondary battery includes a positive electrode and a negative electrode capable of intercalating and releasing lithium ions and a separator. The negative electrode includes a collector and a negative electrode mixture layer formed on the collector. The negative electrode mixture layer includes at least a negative electrode active material and a binder. Nonconductive particles are buried in a top layer of the negative electrode mixture layer. The nonconductive particles and the negative electrode active material exist as a mixture in the top layer with a depth ranging from 1 to 20 ?m. A volume ratio of nonconductive particles having a diameter equal to or less than 20 ?m to a total volume of all the nonconductive particles and the negative electrode active material existing in the top layer of the negative electrode mixture layer ranges from 20 to 80%.Type: GrantFiled: August 5, 2010Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Masao Shimizu, Yoshiaki Kumashiro
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Patent number: 8339356Abstract: A liquid crystal display apparatus includes a white color light source and a coloring light source, a detection circuit which detects a brightness of an input image signal, an image quality processing calculation circuit, a light source control circuit, and an image control circuit. The coloring light source includes a blue light source. The image quality processing calculation circuit outputs to the light source control circuit a light source control signal for (1) increasing a light intensity of the coloring light source when an average luminance of the input image signal is detected to be higher than a predetermined luminance based on a detection result of the detection circuit, and for (2) turning-on only the white color light source without turning-on the coloring light source when the average luminance of the input image signal is detected to be lower than the predetermined luminance.Type: GrantFiled: February 7, 2011Date of Patent: December 25, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yuka Utsumi, Yasushi Tomioka, Akitoyo Konno, Katsumi Kondo
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Patent number: 8337723Abstract: Disclosed is an electroconductive material which contains at least a vanadium oxide and a phosphorus oxide, and has a crystalline structure composed of a crystalline phase and an amorphous phase, in which the crystalline phase contains a monoclinic vanadium-containing oxide, and a volume of the crystalline phase is larger than that of the amorphous phase. The electroconductive material has a reduced specific resistance and has improved functions as an electrode material, a solid-state electrolyte, or a sensor such as a thermistor.Type: GrantFiled: July 1, 2010Date of Patent: December 25, 2012Assignees: Hitachi Powdered Metals Co., Ltd., Hitachi, Ltd.Inventors: Yuji Hashiba, Shinichi Tachizono, Kei Yoshimura, Takashi Naito, Takuya Aoyagi
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Patent number: 8340533Abstract: An optical balanced receiver including an optical coupler for combining input optical information signal and optical reference signal and outputting two optical interfering signals whose phases are opposite to each other, two photodetectors for receiving the two optical interfering signals and outputting detection signals as electrical signals having the amplitudes corresponding to the interference intensities of the received optical interfering signals, a balance compensation type difference device for compensating an intensity fluctuation component added to a difference signal of the two detection signals due to the difference in amplitude and/or delay between the detection signals output from the two photodetectors in accordance with an input control signal, and outputting the compensated difference signal of the two detection signals, and a control circuit for outputting the control signal to the balance compensation type difference device.Type: GrantFiled: June 16, 2009Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Kohei Mandai, Nobuhiko Kikuchi
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Patent number: 8339351Abstract: A display device includes a memory unit formed in each pixel to store video data and including a first inverter circuit whose input terminal is connected to a first node and whose output terminal is connected to a second node and a second inverter circuit whose input terminal is connected to the second node and whose output terminal is connected to the first node, a first transistor connected between the output terminal of the second inverter circuit and the video line, and a second transistor connected between the first node and the video line, in which at the time of reading the video data, the first transistor is turned ON, and the second transistor is turned OFF, to output the video data stored in the memory unit to the video line.Type: GrantFiled: June 24, 2009Date of Patent: December 25, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Kozo Yasuda
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Patent number: 8339556Abstract: Provided is an electro-optical device which allows high-speed response and has high luminance and contrast.Type: GrantFiled: February 18, 2009Date of Patent: December 25, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hiroyuki Kagawa, Shintaro Takeda
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Patent number: 8339725Abstract: The invention provides a magnetic head slider and a magnetic disc drive which can position at a high precision and in a simple manner. A magnetic head slider (4) includes a recording and reproducing element (20) writing and reading data, a heat generating element (21) arranged at least in one side of directions (that is, a width direction of the magnetic head slider (4)) corresponding to a width direction of a recording track with respect to the recording and reproducing element (20), and generating heat on the basis of a current application, and a member (25) interposed at least between the recording and reproducing element (20) and the heat generating element (21) and expanding in correspondence to the heat generation of the heat generating element (21).Type: GrantFiled: December 4, 2008Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Kyosuke Ono, Irizo Naniwa
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Patent number: 8341661Abstract: The present invention relates to system and method of reading and rewriting EDID in a video transmission system includes a transmitter transmitting a video signal and a receiver receiving the video signal that the transmitter transmitted which are connected to each other through digital interface, the method includes a reading step where the transmitter reads the EDID of the receiver through the digital interface; a first transmitting step where the transmitter transmit the video signal to the receiver on the basis of the EDID which the transmitter read; a second transmitting step where the receiver transmits a first message related to the EDID of the receiver; and a third transmitting step where the receiver transmits a second message related to the EDID of the receiver; wherein the transmitter, which received the first message from the receiver, does not read the EDID of the receiver until the second message is received.Type: GrantFiled: December 4, 2009Date of Patent: December 25, 2012Assignees: Hitachi Consumer Electronics Co., Ltd., Toshiba CorporationInventors: Nobuaki Kabuto, Takashi Doi, Hideki Ohkita, Masahiko Mawatari
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Patent number: 8340190Abstract: A moving picture decoding method including a prediction mode, including: in said prediction mode, in which prediction mode motion vector information of a current block in a current frame is not transmitted from an encoding side; selecting, from among multiple candidate reference frames, a frame(s) to be referenced to in the prediction mode; determining motion vector information to be used in the prediction mode, and performing prediction processing using the selected reference frame and the determined motion vector, wherein when candidate blocks within a current frame and adjacent to a current block include blocks that use forward reference frames and blocks that use backward reference frames, a forward reference frame having a smallest index number is selected as the forward reference frame for the current block from the forward reference frames that said blocks using the forward reference frames have, and a backward reference frame having a smallest index number is selected as the backward reference frame fType: GrantFiled: August 11, 2011Date of Patent: December 25, 2012Assignee: Hitachi Consumer Electronics Co., Ltd.Inventor: Yoshinori Suzuki
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Patent number: 8340522Abstract: There is provided a filter assembly for combining a wavelength multiplexed optical signal by multiplexing optical signals of different wavelength emitted from respective optical devices, and/or for dividing a wavelength multiplexed optical signal into optical signals of different wavelength and causing the optical signals of different wavelength to enter respective optical devices. This filter assembly comprises: a light transmitting member within which each optical signal propagates; plural optical filters disposed on an upper face of the light transmitting member at a predetermined spacing wherein each optical signal passes through the optical filters; upper reflective layers respectively provided between adjacent ones of the optical filters; and a lower reflective layer provided on a lower face of the light transmitting member, and wherein the wavelength multiplexed optical signal propagates along the same optical path within the light transmitting member.Type: GrantFiled: January 18, 2008Date of Patent: December 25, 2012Assignee: Hitachi Cable, Ltd.Inventors: Juhyun Yu, Ryuta Takahashi, Noribumi Kobayashi, Seiji Maruo, Hiroki Katayama, Yuuki Naganuma
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Patent number: 8339136Abstract: In the continuous moving table imaging, an image is reconstructed with suppressed artifacts even in imaging under inhomogeneity of static magnetic field. In a magnetic resonance imaging apparatus, signals are measured with moving a table to obtain multiple data sets, and inverse Fourier transform of each data set is carried out in the read-out direction to obtain hybrid data. One-dimensional data are extracted from each hybrid data at a border with respect to the adjacent hybrid data, and correction values for corrections of discontinuity of signal intensity and phase at a border of hybrid data are obtained by using the one-dimensional data. Data obtained by inverse Fourier transform of each hybrid data are corrected by using the correction values, and an image showing continuity for signal intensity and phase is eventually obtained.Type: GrantFiled: April 28, 2008Date of Patent: December 25, 2012Assignee: Hitachi Medical CorporationInventors: Yo Taniguchi, Shinji Kurokawa, Suguru Yokosawa, Yoshitaka Bito
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Patent number: 8339493Abstract: An electric camera includes an image sensing device with a light receiving surface having N vertically arranged pixels and an arbitrary number of pixels arranged horizontally, N being equal to or more than three times the number of effective scanning lines M of a display screen of a television system, a driver to drive the image sensing device to vertically mix or cull signal charges accumulated in individual pixels of K pixels to produce, during a vertical effective scanning period of the television system, a number of lines of output signals which corresponds to 1/K the number of vertically arranged pixels N of the image sensing device, K being an integer equal to or less than an integral part of a quotient of N divided by M, and a signal processing unit having a function of generating image signals by using the output signals of the image sensing device.Type: GrantFiled: July 28, 2010Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Takahiro Nakano, Ryuji Nishimura, Toshiro Kinugasa
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Patent number: 8338050Abstract: The membrane electrode assembly includes an anode including a catalyst and a solid polymer electrolyte; a cathode including a catalyst and a solid polymer electrolyte; a solid polymer electrolyte membrane interposed between the anode and the cathode; an anode gas diffusion layer; and a cathode gas diffusion layer, a set composed of the anode, the cathode and the solid polymer electrolyte membrane being interposed between the anode gas diffusion layer and the cathode gas diffusion layer, wherein the cathode gas diffusion layer contains an oxidation catalyst and a water-repellent resin.Type: GrantFiled: August 18, 2010Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Shuichi Suzuki, Jun Kawaji, Yoshiyuki Takamori, Makoto Morishima
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Patent number: 8339549Abstract: A liquid crystal display device has a liquid crystal display panel including pixels each having an active device, a pixel electrode, a common electrode and a liquid crystal layer arranged in a dot matrix array. The liquid crystal display panel has a first substrate, a second substrate, and a liquid crystal layer provided between the first substrate and the second substrate. The first substrate has the active device, the pixel electrode, the common electrode and a first alignment film. The second substrate has a second alignment film. The first alignment film and the second alignment film are respectively a photo alignment film formed by irradiating a photo decomposition type insulating film with light. The second alignment film has a thickness of at least 10 nm and no greater 50 nm and is thinner than the first alignment film.Type: GrantFiled: December 14, 2011Date of Patent: December 25, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hidehiro Sonoda, Chikae Matsui, Noboru Kunimatsu, Yuko Matsumoto
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Biometric authentication system, authentication client terminal, and biometric authentication method
Patent number: 8340361Abstract: A biometric authentication system, authentication client terminal, and biometric authentication method are provided to reduce an expected value of the number of inputs of biometric data for authentication, while effectively preventing forgery. In a biometric authentication system, prior probabilities of enrolled users un and non-enrolled user u0 are previously set. 1:N matching is performed between feature data of a claimant v and matching feature data. The matching score is calculated for each enrolled user un. A ratio of the likelihood v=un to the likelihood v?un is calculated for each enrolled user un using the calculated matching scores. Posterior probabilities of the enrolled users un and non-enrolled user u0 are calculated, using the likelihood ratios, and the prior probabilities of both the enrolled users un and the non-enrolled user u0. Then, determination is made by comparing each posterior probability with a first threshold.Type: GrantFiled: February 27, 2009Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Takao Murakami, Kenta Takahashi -
Patent number: 8341657Abstract: An optical pickup, mounting a lens actuator 101 thereon, the lens actuator comprises: a lens 1 having an optical axis in direction in parallel with an optical disc; a holder 2, which holds the lens thereon; a first guide shaft 3 holding the holder, so as to regulate the holder to change a position thereof, into an inner surface direction of a surface having the optical axis of the lens as a normal line vector thereof; a second guide shaft 4, which regulates the holder to change the position thereof, into a normal line vector of an optical disc; and a reed screw, which moves the holder into direction of the optical axis of the lens, wherein a distance between the optical axis of the lens and the optical disc, a distance between a central axis of the first guide shaft and the optical disc, and a distance between a central axis of the second guide shaft and the optical disc are lager than a distance between a central axis of the reed screw and the optical disc.Type: GrantFiled: August 17, 2009Date of Patent: December 25, 2012Assignee: Hitachi Media Electronics Co., Ltd.Inventors: Tatsuya Yamasaki, Yoshihiro Sato, Seiichi Kato, Katsuhiko Kimura, Takahiro Yamaguchi, Yoshiro Konishi, Hidenao Saito
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Patent number: 8337364Abstract: A training support system (S) allows an exerciser to practice training exercises safely and effectively with high motivation. The training support system (S) comprises a display means (4) which conducts display relating to training for the exerciser who uses a training machine (1) for muscle training, and a controller (3). The controller (3) allows dynamic display of reference motion and training motion on the display means (4) and variation of the display on the display means (4) according to the difference between the reference motion and the training motion.Type: GrantFiled: March 3, 2009Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Hiroshi Ishii, Kouichi Ohno, Kazuo Yuge, Masahiro Katou, Sachihide Iwamoto, Makoto Hashizume, Hajime Kenmotsu, Shinichiro Takasugi
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Patent number: 8339390Abstract: Provided are a power supply circuit and a display device which are capable of enhancing power efficiency even when applied to a display panel whose current consumption varies. The power supply circuit boosts and outputs an input voltage using a booster chopper circuit. A frequency control circuit changes a frequency of a clock signal, which controls a switch of the chopper circuit, in accordance with a load of the power supply circuit. The frequency control circuit divides an operation of the display device into a display effective period at a high load and a vertical retrace period at a low load, based on a vertical synchronizing signal and a horizontal synchronizing signal. The frequency control circuit sets the frequency of the clock signal in a high-load period to be higher than that in a low-load period.Type: GrantFiled: November 25, 2009Date of Patent: December 25, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Naoki Takada, Naruhiko Kasai, Takuya Eriguchi, Yuki Okada, Mitsuru Goto, Yoshihiro Kotani
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Patent number: 8339099Abstract: A multi-series battery control system comprises a plurality of unit battery cell of which unit consists of multiple battery cells connected in series; a plurality of control IC comprising a control circuit for controlling the unit battery cell; a main controller that sends and receives signal to/from the control ICs via an insulation; means for sending an abnormality signal, which represents the existence or the absence of abnormality of the control ICs or the battery cells, to the main controller from the control ICs, responding to the first signal outputted from the main controller via the insulation; and means for searching contents of the abnormality in the control ICs or the battery cells and sending the abnormality contents signal based on the search, to the main controller from the control ICs, responding to the second signal outputted from the main controller via the insulation.Type: GrantFiled: March 31, 2009Date of Patent: December 25, 2012Assignee: Shin-Kobe Electric Machinery Co., Ltd.Inventors: Akihiko Emori, Shigeyuki Yoshihara, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo