Patents by Inventor Akira Shimamura
Akira Shimamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140153589Abstract: A signal processor includes a period detection section which detects that a period is currently used for communication of a frame; a pattern detection section which detects, from the received signal, a first signal pattern by which the end of communication of the frame is recognized; and an output processing section which outputs the received signal to a controller; configured to instruct, upon detection of the first signal pattern in the period being currently used for communication of a frame, the controller to halt startup of communication action of the next frame, until the period being currently used for communication of a frame comes to the end, to thereby reduce an event such that frames are transmitted from a plurality of communication devices simultaneously, and to thereby allow the communication action for the next frame to proceed correctly.Type: ApplicationFiled: November 20, 2013Publication date: June 5, 2014Applicant: Spansion LLCInventors: Akira SHIMAMURA, Koichi MITA, Takashi ARAI, Hideshi FUJISHIMA, Akira ENDO
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Patent number: 8718038Abstract: A node system includes a first node, a second node, and a supervisory node which transmit frames while increasing or decreasing the cycle microtick count, and determines reduced cycle microtick counts by subtracting or adding a rate correction limit value from or to the cycle microtick count of the supervisory node when reception of the first frame transmitted by the first node stop and the cycle microtick count of the supervisory node when reception of the first and second frames stop.Type: GrantFiled: August 26, 2011Date of Patent: May 6, 2014Assignee: Spansion LLCInventors: Kenji Suina, Takashi Arai, Koichi Mita, Akira Shimamura, Hidetoshi Ishikawa, Takashi Moriya, Yuuki Nozawa, Hideki Kondo
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Patent number: 8674253Abstract: According to an embodiment, a gas insulation apparatus (e.g., a gas circuit breaker) includes a high-voltage unit, a zeolite and an insulation gas in a closed vessel. The insulation gas is CO2 gas or a gas including CO2 gas as the main component. The zeolite is contained in a zeolite case and is placed under an insulation gas atmosphere. CO2 is adsorbed on the zeolite before use of the gas insulation apparatus.Type: GrantFiled: December 14, 2011Date of Patent: March 18, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Toshiyuki Uchii, Amane Majima, Toshiyuki Nakano, Yoshihiko Hirano, Akira Shimamura, Yoshikazu Hoshina
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Patent number: 8605756Abstract: A signal processor includes a period detection section which detects that a period is currently used for communication of a frame; a pattern detection section which detects, from the received signal, a first signal pattern by which the end of communication of the frame is recognized; and an output processing section which outputs the received signal to a controller, configured to instruct, upon detection of the first signal pattern in the period being currently used for communication of a frame, the controller to halt startup of communication action of the next frame, until the period being currently used for communication of a frame comes to the end, to thereby reduce an event such that frames are transmitted from a plurality of communication devices simultaneously, and to thereby allow the communication action for the next frame to proceed correctly.Type: GrantFiled: April 28, 2010Date of Patent: December 10, 2013Assignee: Spansion LLCInventors: Akira Shimamura, Koichi Mita, Takashi Arai, Hideshi Fujishima, Akira Endo
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Patent number: 8582681Abstract: A signal receiver apparatus includes a waveform shaping data storage device storing waveform shaping data of a signal transmitted with a given timing from a signal transmitter device of a plurality of signal transmitter devices which are coupled to the signal receiver apparatus for each of the plurality of signal transmitter devices, and a waveform shaping device reading waveform shaping data of the signal transmitter device in the plurality of signal transmitter device from the waveform shaping data storage device when a signal from the signal transmitter device is received, and shaping a waveform of a received signal from the signal transmitter device.Type: GrantFiled: March 24, 2009Date of Patent: November 12, 2013Assignee: Spansion LLCInventors: Akira Shimamura, Koichi Mita, Hideshi Fujishima, Takashi Arai, Shunichi Ko, Takuya Terasawa, Koji Mikami, Naoya Komada
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Publication number: 20130098875Abstract: A gas circuit breaker includes movable and fixed electrode parts arranged to face each other in an engaging/separating manner in a container filled with an insulating gas, an operating mechanism attached to a partition of the container and configured to output an operating force to the movable electrode part, an operating rod attached to the movable electrode part, a first link rotatably attached to the operating rod, a lever rotatably attached to the first link, a support bearing fixed to the partition of the container via an insulating spacer, a second link rotatably attached to the lever and also rotatably attached to the support bearing, a seal bearing connected through the partition of the container, a seal rod rotatably attached to the center of the lever and slidably supported to the seal bearing, and a third link rotatably attached to the seal rod and also attached to the operating mechanism.Type: ApplicationFiled: October 18, 2012Publication date: April 25, 2013Inventors: Yoshiaki Ohda, Akira Shimamura, Ryusuke Ochiai, Satoshi Marushima
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Patent number: 8311054Abstract: A transmitting/receiving system includes a control field controlling a transmitting priority of a dynamic slot is included in each communication cycle, and a node of the transmitting/receiving system sets control information including a preferential usage request for a dynamic slot that the node transmits in the control field and notifies all nodes in the transmitting/receiving system of the preferential usage request for the dynamic slot.Type: GrantFiled: March 24, 2009Date of Patent: November 13, 2012Assignee: Fujitsu Semiconductor LimitedInventors: Takuya Terasawa, Takashi Arai, Shunichi Ko, Koichi Mita, Akira Shimamura, Koji Mikami, Naoya Komada
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Publication number: 20120134457Abstract: A node system includes a first node, a second node, and a supervisory node which transmit frames while increasing or decreasing the cycle microtick count, and determines reduced cycle microtick counts by subtracting or adding a rate correction limit value from or to the cycle microtick count of the supervisory node when reception of the first frame transmitted by the first node stop and the cycle microtick count of the supervisory node when reception of the first and second frames stop.Type: ApplicationFiled: August 26, 2011Publication date: May 31, 2012Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Kenji SUINA, Takashi ARAI, Koichi MITA, Akira SHIMAMURA, Hidetoshi ISHIKAWA, Takashi MORIYA, Yuuki NOZAWA, Hideki KONDO
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Publication number: 20120085735Abstract: According to an embodiment, a gas insulation apparatus (e.g., a gas circuit breaker) includes a high-voltage unit, a zeolite and an insulation gas in a closed vessel. The insulation gas is CO2 gas or a gas including CO2 gas as the main component. The zeolite is contained in a zeolite case and is placed under an insulation gas atmosphere. CO2 is adsorbed on the zeolite before use of the gas insulation apparatus.Type: ApplicationFiled: December 14, 2011Publication date: April 12, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Toshiyuki UCHII, Amane Majima, Toshiyuki Nakano, Yoshihiko Hirano, Akira Shimamura, Yoshikazu Hoshina
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Publication number: 20100208755Abstract: A signal processor includes a period detection section which detects that a period is currently used for communication of a frame; a pattern detection section which detects, from the received signal, a first signal pattern by which the end of communication of the frame is recognized; and an output processing section which outputs the received signal to a controller, configured to instruct, upon detection of the first signal pattern in the period being currently used for communication of a frame, the controller to halt startup of communication action of the next frame, until the period being currently used for communication of a frame comes to the end, to thereby reduce an event such that frames are transmitted from a plurality of communication devices simultaneously, and to thereby allow the communication action for the next frame to proceed correctly.Type: ApplicationFiled: April 28, 2010Publication date: August 19, 2010Applicant: FUJITSU MICROELECTRONICS LIMITEDInventors: Akira SHIMAMURA, Koichi Mita, Takashi Arai, Hideshi Fujishima, Akira Endo
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Publication number: 20090225901Abstract: A signal receiver apparatus includes a waveform shaping data storage device storing waveform shaping data of a signal transmitted with a given timing from a signal transmitter device of a plurality of signal transmitter devices which are coupled to the signal receiver apparatus for each of the plurality of signal transmitter devices, and a waveform shaping device reading waveform shaping data of the signal transmitter device in the plurality of signal transmitter device from the waveform shaping data storage device when a signal from the signal transmitter device is received, and shaping a waveform of a received signal from the signal transmitter device.Type: ApplicationFiled: March 24, 2009Publication date: September 10, 2009Applicant: Fujitsu Microelectronics LimitedInventors: Akira Shimamura, Koichi Mita, Hideshi Fujishima, Takashi Arai, Shunichi Ko, Takuya Terasawa, Koji Mikami, Naoya Komada
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Publication number: 20090213870Abstract: A transmitting/receiving system includes a control field controlling a transmitting priority of a dynamic slot is included in each communication cycle, and a node of the transmitting/receiving system sets control information including a preferential usage request for a dynamic slot that the node transmits in the control field and notifies all nodes in the transmitting/receiving system of the preferential usage request for the dynamic slot.Type: ApplicationFiled: March 24, 2009Publication date: August 27, 2009Applicant: FUJITSU MICROELECTRONICS LIMITEDInventors: Takuya TERASAWA, Takashi Arai, Shunichi Ko, Koichi Mita, Akira Shimamura, Koji Mikami, Naoya Komada
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Patent number: 7542480Abstract: In a communication device which can realize a protocol conversion by a single device without preparing respective packages for existing various protocols, a protocol attribute included in a packet received is detected, protocol processing order data indicating a protocol processing order based on the protocol attribute are generated, and a plurality of protocols within the received packet are processed based on the protocol processing order data.Type: GrantFiled: September 1, 2004Date of Patent: June 2, 2009Assignee: Fujitsu Microelectronics LimitedInventors: Katsuya Shirota, Akira Shimamura, Masakazu Nakamura, Koichi Mita, Takashi Arai, Hideaki Watanabe, Kazuki Mishima, Ryuichi Hiroi
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Patent number: 7382473Abstract: A print instruction program and method for allowing a network terminal device to send print instructions to a PDF direct-printing printer in a communications network in an efficient and advantageous manner. The program and method includes the capability to obtain PDF file name and network address data from the location of a mouse pointer in a web browser screen. The file name and address data can be stored locally on the network terminal device, preferably in a list format. The program and method also provides for the display and operation of a direct print menu in association with a click on a control button of the mouse. The program and method allows the PDF file name and address data to be sent to the network-attached printer, either singly or as part of a list and either as a network address or as an actual file.Type: GrantFiled: March 6, 2002Date of Patent: June 3, 2008Assignee: InfoPrint Solutions Company, LLCInventors: Hiroyuki Chohsa, Akira Shimamura
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Publication number: 20080002571Abstract: In a communication system for transmitting/receiving redundant data between a first communication device and a second communication device, using first and second lines, the first communication device transmits first transmitting data to the first line, and also delays the first transmitting data by a prescribed time and transmits the delayed transmitting data to the second line as second transmitting data. The second communication device delays first receiving data inputted from the first line by the prescribed time and generates the delayed receiving data, and selects one of the second receiving data inputted from the second line and the delayed receiving data.Type: ApplicationFiled: September 11, 2006Publication date: January 3, 2008Inventors: Masahiro Maeda, Akira Shimamura, Sadaharu Fukutoyama, Satoru Kagohashi, Taiichiro Sakaguchi, Yuuji Kubo, Yoshiharu Ito
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Publication number: 20050025178Abstract: In a communication device which can realize a protocol conversion by a single device without preparing respective packages for existing various protocols, a protocol attribute included in a packet received is detected, protocol processing order data indicating a protocol processing order based on the protocol attribute are generated, and a plurality of protocols within the received packet are processed based on the protocol processing order data.Type: ApplicationFiled: September 1, 2004Publication date: February 3, 2005Inventors: Katsuya Shirota, Akira Shimamura, Masakazu Nakamura, Koichi Mita, Takashi Arai, Hideaki Watanabe, Kazuki Mishima, Ryuichi Hiroi
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Patent number: 6826192Abstract: Disclosed is an interface apparatus in a communication network for converting a frame, which has been received from a digital transmission line and has overhead and a payload, to ATM cells, assembling a frame using ATM cells that have been received from an ATM network, and sending the assembled frame to a digital transmission line. The apparatus includes cell conversion zone specifying means for defining, as a cell conversion zone, the smallest possible portion of a frame that contains the overhead data and payload, and generating a signal that specifies the cell conversion zone; pointer creation means for creating a pointer which specifies a predetermined position of the cell conversion zone as a reference position; and cell conversion means for converting data in the cell conversion zone into cells based upon the signal that specifies the cell conversion zone, and for inserting this pointer, which indicates the reference position of the cell conversion zone, in a prescribed cell.Type: GrantFiled: January 19, 2001Date of Patent: November 30, 2004Assignee: Fujitsu LimitedInventors: Akira Shimamura, Yoshihiro Uchida, Makoto Adachi, Yoshiyuki Tokoi, Hirotoshi Mori, Hajime Yamashita
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Publication number: 20020126306Abstract: A print instruction program and method for allowing a network terminal device to send print instructions to a PDF direct-printing printer in a communications network in an efficient and advantageous manner. The program and method includes the capability to obtain PDF file name and network address data from the location of a mouse pointer in a web browser screen. The file name and address data can be stored locally on the network terminal device, preferably in a list format. The program and method also provides for the display and operation of a direct print menu in association with a click on a control button of the mouse. The program and method allows the PDF file name and address data to be sent to the network-attached printer, either singly or as part of a list and either as a network address or as an actual file.Type: ApplicationFiled: March 6, 2002Publication date: September 12, 2002Applicant: International Business Machnies CorporationInventors: Hiroyuki Chohsa, Akira Shimamura
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Publication number: 20010033575Abstract: Disclosed is an interface apparatus in a communication network for converting a frame, which has been received from a digital transmission line and has overhead and a payload, to ATM cells, assembling a frame using ATM cells that have been received from an ATM network, and sending the assembled frame to a digital transmission line. The apparatus includes cell conversion zone specifying means for defining, as a cell conversion zone, the smallest possible portion of a frame that contains the overhead data and payload, and generating a signal that specifies the cell conversion zone; pointer creation means for creating a pointer which specifies a predetermined position of the cell conversion zone as a reference position; and cell conversion means for converting data in the cell conversion zone into cells based upon the signal that specifies the cell conversion zone, and for inserting this pointer, which indicates the reference position of the cell conversion zone, in a prescribed cell.Type: ApplicationFiled: January 19, 2001Publication date: October 25, 2001Applicant: FUJITSU LIMITEDInventors: Akira Shimamura, Yoshihiro Uchida, Makoto Adachi, Yoshiyuki Tokoi, Hirotoshi Mori, Hajime Yamashita
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Publication number: 20010003827Abstract: A remote maintenance method to provide a remote maintenance system for LAN connected devices, which enables a maintenance company to maintain devices directly via e-mail communication utilizing device commands and device passwords. The method maintains a device connected to a user side network from a maintenance side management terminal connected to a maintenance side LAN through the Internet.Type: ApplicationFiled: December 7, 2000Publication date: June 14, 2001Inventor: Akira Shimamura