Ishii, Kawasaki
Gaku Ishii, Kawasaki JP
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20160085724 | LIFE TIME ESTIMATION DEVICE AND METHOD - A life time estimation device according to an embodiment includes a benchmark work amount calculator, an assumed work amount calculator, an assumed load coefficient calculator, an assumed environment coefficient calculator, and an assumed life time calculator. The benchmark work amount calculator calculates a benchmark work amount of a target apparatus based on a design condition. The assumed work amount calculator calculates an assumed work amount of the target apparatus based on a load condition. The assumed load coefficient calculator calculates an assumed load coefficient indicating a degree of an operation load on the target apparatus based on the benchmark work amount and the assumed work amount. The assumed environment coefficient calculator calculates an assumed environment coefficient based on an environmental condition. The assumed life time calculator calculates an assumed life time of the target apparatus based on the assumed load coefficient and the assumed environment coefficient. | 03-24-2016 |
Hiromasa Ishii, Kawasaki JP
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20090282141 | Server managing apparatus and server managing method - A controlling unit obtains server information from a server group in a chassis to store the obtained server information in a server information DB, an editing unit reads the server information from the server information DB, and generates, based on the read server information, as screen display information, physical server information, and logical server information including information on use application and attribute information for a logical server, which are related to a physical location of each physical server, and a displaying unit displays screen display information on a screen simulating the physical location of the physical server. | 11-12-2009 |
Koichi Ishii, Kawasaki JP
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20150136984 | INFRARED IMAGING ELEMENT, IMAGING DEVICE, AND IMAGING SYSTEM - An infrared imaging element of an embodiment includes: a first pixel portion including a first cell portion including a first infrared ray detecting portion detecting a first infrared ray and a second infrared ray with a wavelength different from a wavelength of the first infrared ray, and first supporting legs that support the first cell portion, the first supporting legs including a first and second wiring lines that convey an electrical signals obtained by the first infrared ray detecting portion; and a second pixel portion including a second cell portion including a second infrared ray detecting portion detecting the second infrared ray, and second supporting legs that support the second cell portion, the second supporting legs including a third and fourth wiring lines that convey an electrical signal obtained by the second infrared ray detecting portion. | 05-21-2015 |
20160079293 | INFRARED SENSOR - An infrared sensor according to an embodiment includes a housing, a detector, a lid, and a light shielding film. The detector is mounted on the bottom surface of the housing and includes a heat-sensitive pixel region and a reference pixel region. The lid seals the housing and includes a support member and a window member. The support member is bonded to the side surfaces of the housing and has an opening positioned above the heat-sensitive pixel region. The window member is bonded to a surface of the support member on a side of the detector so as to cover the opening. The light shielding film is formed on a surface of the window member on a side of the detector and arranged on an optical path of the infrared rays entering the reference pixel region. | 03-17-2016 |
Koji Ishii, Kawasaki JP
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20090141390 | MAGNETIC DISK APPARATUS AND MAGNETIC DISK APPARATUS CONTROL METHOD - A magnetic disk apparatus has a heater for heating a head incorporated in the magnetic disk apparatus, an atmospheric pressure detector for detecting a change in atmospheric pressure in the magnetic disk apparatus, and an adjuster for adjusting a thermal dose supplied to the head by the heater according to the change in atmospheric pressure detected by the atmospheric pressure detector. | 06-04-2009 |
Shigeru Ishii, Kawasaki JP
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20100111536 | Communication network and design method - A communication network includes a starting node that has a variable dispersion compensator that performs dispersion compensation at a variable dispersion compensation amount such that a residual dispersion amount of an optical signal transmitted therethrough becomes a predetermined reference residual dispersion amount; and plural nodes that are subjected to dispersion compensation design using the starting node as a starting point and that include fixed dispersion compensators selected based on the reference residual dispersion amount. | 05-06-2010 |
20120230680 | TRANSMISSION QUALITY DETERMINATION METHOD, TRANSMISSION PATH SELECTION METHOD AND NETWORK MANAGEMENT SYSTEM - There is provided a method of determining transmission quality of a path in an optical communication network system obtained by connecting a plurality of networks, the method including: acquiring a value representing transmission performance corresponding to a network condition of each of spans in the path in the optical communication network system; and determining the transmission quality of the path on the basis of the acquired value representing transmission performance corresponding to the network condition of each of spans. | 09-13-2012 |
20120230681 | OPTICAL TRANSMISSION APPARATUS AND OPTICAL ATTENUATION AMOUNT CONTROL METHOD - A storage device stores information regarding a channel from which an optical transmission apparatus at a subsequent stage drops a signal light. A processor determines that switching from second channel transmission using a larger number of channels than a first number of channels to first channel transmission is performed, and controls an attenuation amount, when performing the first channel transmission using the first number of channels, by referring to the storage device according to the determination and making the attenuation amount in a no-signal channel larger than a determine value if the no-signal channel whose wavelength is within a determined range from the wavelength of the signal light channel for the first channel transmission is a channel from which the optical transmission apparatus at the subsequent stage drops a signal light, so as to transmit an amplified spontaneous emission light along the no-signal channel. | 09-13-2012 |
Takanori Ishii, Kawasaki JP
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20090171473 | STORAGE SYSTEM, STORAGE SYSTEM CONTROL METHOD AND STORAGE SYSTEM CONTROL APPARATUS - A storage system includes a housing, a cooling unit cooling the interior of the housing, and a plurality of control units adapted to control the cooling unit. The control units each include a mount state acquisition unit acquiring a mount state of the control unit in the housing, an operation state acquisition unit acquiring an operation state of the cooling unit, and a determining unit determining a provisional main control unit, from among the plurality of control units, that is operable to control the entire cooling unit based on information acquired from the mount state acquisition unit and the operation state acquisition unit. | 07-02-2009 |
20090198931 | INFORMATION PROCESSING APPARATUS AND DATA BACKUP METHOD - An information processing apparatus includes a battery for providing the interior of the information processing apparatus with power; a volatile memory for storing data; a nonvolatile memory for backupping the data stored in the volatile memory; a controller for controlling backup of the data in accordance with a process comprising the steps of: saving the data into the nonvolatile memory; upon recovery of the power from the external power source, writing back the data into the volatile memory; and deleting the data saved in the nonvolatile memory; wherein when the power from an external power source to the information processing apparatus is stopped during deleting data in the nonvolatile memory, the controller selectively writes back deleted data from the volatile memory into the nonvolatile memory. | 08-06-2009 |
20100318844 | BACKUP METHOD AND DISK ARRAY APPARATUS - A backup method makes a backup of cache data to a nonvolatile memory by using a controller, the cache data being stored in the volatile memory. The backup method includes writing the cache data stored in the volatility memory in a selected area of the nonvolatile memory, generating party data by operating the parity operations between each of the predetermined parts of the cache data in the volatile memory, verifying whether an error found in the part of the cache data in the nonvolatile memory can be recovered by using the parity data, and rewriting the part of the cache data when the error found in the part of the cache data in the nonvolatile memory cannot be recovered by using the parity data in an area of the nonvolatile memory different from the selected area. | 12-16-2010 |
20110197036 | CONTROL METHOD FOR DISK ARRAY APPARATUS AND DISK ARRAY APPARATUS - According to an aspect of the embodiment, in a control method for a disk array apparatus, a CPU of a first control module acquires other system state information, which is decided based on a battery and a nonvolatile memory of the second control module and indicates a data saving possibility of a cache memory of a second control module. The CPU of the first control module determines, based on the other system state information acquired and own system state information, which is decided based on a battery and a nonvolatile memory of the first control module and indicates a data saving possibility of a cache memory of the first control module, whether the disk array apparatus is set in a write-back state or a write-through state. | 08-11-2011 |
20120102356 | INFORMATION PROCESSING APPARATUS, CONTROL APPARATUS, AND METHOD - An information processing apparatus includes a controller, a plurality of electric power supply units and a backup electric power supply unit that supply electric power to the controller. The controller detects a malfunction occurring in the plurality of electric power supply units, stops electric power supply from the plurality of electric power supply units, starts electric power supply from the backup electric power supply unit when a malfunction is detected, identifies an electric power supply unit having a malfunction from the plurality of electric power supply units, disconnects the identified electric power supply unit, resumes electric power supply from an electric power supply unit determined to function normally and stops the electric power supply from the backup electric power supply unit when the electric power supply unit having the malfunction is disconnected. | 04-26-2012 |
Takehiko Ishii, Kawasaki JP
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20090144612 | DISPLAY OF DOCUMENT DATA - To locate a target document generated using a target language but other otherwise synchronized to a source document generated using a different source language, a URL or other document identifier for the source webpage is received and parsed to identify one or more elements; for example, a domain element or a path element. Each of the elements is analyzed to determine whether it includes one or more character strings associated with the source language; e.g., a language name, a language code, a country name and/or a country code. Each such character string is processed to generate a corresponding character string associated with the target language. A list of candidates for a second document identifier is generated and sequentially accessed to find the target document. | 06-04-2009 |
Toshio Ishii, Kawasaki JP
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20090236502 | OPTICAL RECEIVER UTILIZING APD AND CONTROL METHOD THEREOF - An optical receiver includes an avalanche photodiode inputting light under a bias voltage, a current monitoring unit configured to monitor a photocurrent flowing through the avalanche diode, and a control unit configured to control the bias voltage. When the magnitude of the photocurrent exceeds a specific threshold, the control unit decreases the bias voltage, and when the magnitude of the photocurrent is less than or equal to the specific threshold, the control unit keeps the bias voltage constant. | 09-24-2009 |
20120251128 | OPTICAL TRANSMITTER AND METHOD FOR OPTICAL SIGNAL WAVEFORM COMPENSATION - An optical transmitter includes: a modulator driver to generate a drive signal from an input signal; a modulator to generate a modulated optical signal according to the drive signal; an amplitude detector to detect an input amplitude representative of an amplitude of the input signal; and a controller to generate a waveform control signal according to the input amplitude detected by the amplitude detector. The modulator driver controls a waveform of the drive signal according to the waveform control signal. | 10-04-2012 |
Yusuke Ishii, Kawasaki JP
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20080291924 | Transmission device - According to an aspect of an embodiment, a transmission device, that automatically generates transmission paths within a transmission network, includes a storing unit that stores first information that indicates an end user to which a link, where a transmission path is contained, and a path bandwidth, which is used to generate the transmission path, are assigned and second information that indicates whether the path can be shared each of the end users; and a sending unit sending third information to identify the end user and the second information to a adjacent node. | 11-27-2008 |