Patents Assigned to NEC Engineering Ltd.
  • Publication number: 20170307721
    Abstract: A wideband signal is enhanced or suppressed to the same extent at each frequency without increasing the size of an overall sensor array. To achieve this, there is provided a signal processing apparatus including a direction estimator that obtains a direction of arrival of a signal for signals received from a plurality of sensors and each containing a target signal and noise, a first gain calculator that calculates a first gain using the direction of arrival of the signal, an integrator that obtains an integrated signal by integrating the signals received from the plurality of sensors, and a multiplier that multiplies the first gain by the integrated signal.
    Type: Application
    Filed: November 6, 2015
    Publication date: October 26, 2017
    Applicants: NEC Corporation, NEC Engineering, Ltd.
    Inventors: Akihiko SUGIYAMA, Ryoji MIYAHARA
  • Publication number: 20170126043
    Abstract: The present invention achieves a balanced discharging in a power storage system having a plurality of storage batteries connected in parallel. A power storage system comprises a plurality of storage batteries 100a-100f connected in parallel, a storage battery device 120 at least setting an output voltage value at discharge to each of the plurality of storage batteries 100a-100f. The storage battery device 120 includes a discharge control circuit 121 configured to assign at least one storage battery of the plurality of storage batteries for a master based on at least a battery residual capacity or a battery voltage and set the output voltage value so that the output voltage value differs between the master and the storage battery.
    Type: Application
    Filed: March 26, 2015
    Publication date: May 4, 2017
    Applicants: NEC Corporation, NEC Engineering, Ltd.
    Inventors: Hiroshi YOSHIDA, Shuuhei HAYASHI, Motoharu NAGASE
  • Patent number: 9564620
    Abstract: A power storage device including a battery containing body and a first guide rail for receiving a first end portion on a lower side of the body and a second guide rail for receiving a second end portion on an upper side of the body. The first guide rail includes a higher side plate and a lower side plate and extend in an insertion direction, and a receiving portion including a stopper. A first protrusion portion that, when removing the battery containing body, engages with the stopper, thereby preventing the battery containing body from dropping A second protrusion portion that, when the battery containing body is turned upside down, engages with the higher side plate, thereby blocking the insertion. When an attempt to remove the battery containing body from the receiving portion is made, the second protrusion portion engages with the stopper, thereby preventing it from dropping.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 7, 2017
    Assignees: NEC Corporation, NEC Engineering, Ltd., NEC Energy Devices, Ltd.
    Inventors: Daisuke Kawaguchi, Akira Iida, Toru Suzuki
  • Patent number: 9555607
    Abstract: A tape sticking apparatus includes a rubber sheet that partitions an airtight space formed above a chamber into first and second airtight spaces and, a tape frame that holds a tape above the rubber sheet, and a supply/exhaust mechanism that switches between pressurizing and depressurizing by supplying gas to or sucking gas from the first and second airtight spaces. The gas supply/exhaust mechanism includes a first flow-rate control valve that controls the flow rate of sucked gas when the first airtight space is depressurized, and a second flow-rate control valve that controls the flow rate of supplied when the first airtight space is pressurized.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: January 31, 2017
    Assignee: NEC ENGINEERING, LTD.
    Inventors: Yoichiro Taga, Kazumasa Nishiwaki
  • Publication number: 20170026078
    Abstract: To separate an interference signal regardless of a power and an arrival direction of the interference signal. A delay adjustment unit acquires a plurality of interference signals comprising identical signal components and synchronizes the predetermined single signal component of each interference signal. A waveform shaping unit adjusts phases of the predetermined single signal components included in the plurality of interference signals the delays of which are adjusted by the delay adjustment unit. An addition unit adds the plurality of interference signals in which the phases of the predetermined single signal components are adjusted by the waveform shaping unit.
    Type: Application
    Filed: January 13, 2015
    Publication date: January 26, 2017
    Applicants: NEC Corporation, NEC Engineering, Ltd.
    Inventors: Hiroyuki ISHII, Satoru NEGISHI
  • Patent number: 9502738
    Abstract: A power storage device includes a battery containing body, an electronic device unit, and a chassis for housing them, wherein at a side surface portion of the chassis, an opening for inserting and removing the battery containing body and the electronic device unit is provided; an openable and closable pivoting member is provided inside the opening, the pivoting member, when closed, preventing removal of the battery containing body, and when opened, preventing insertion of the electronic device unit as removed; and the electronic device unit is housed and disposed adjacent to the battery containing body, and includes an opening prevention guide capable of engaging with the pivoting member and thereby preventing the pivoting member from being opened when the electronic device unit is housed.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 22, 2016
    Assignees: NEC Corporation, NEC Engineering, Ltd., NEC Energy Devices, Ltd.
    Inventors: Daisuke Kawaguchi, Akira Iida, Toru Suzuki
  • Patent number: 9491096
    Abstract: A switching process includes an SRAM/CAM storing registration data including a forwarding database used for packet-forwarding and a DRAM storing packet data. The registration data including the forwarding database of the SRAM/CAM for packet-forwarding is stored into the DRAM as a copy of the registration data, and the registration data of the DRAM is used to refresh the registration data of the SRAM/CAM for a predetermined time interval. A data error in the SRAM/CAM caused by a soft-error is rewritten to normal data by periodical refreshing so that data is guaranteed with relatively low cost and the reliability of the network apparatus is improved.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: November 8, 2016
    Assignees: NEC CORPORATION, NEC ENGINEERING LTD.
    Inventors: Koichi Tsuchiya, Yutaka Takekoshi
  • Patent number: 9390948
    Abstract: A tape attaching apparatus includes: a chamber having an airtight space formed therein; a rubber sheet that partitions the airtight space into first and second airtight spaces and has an upper sheet on which a wafer is placed; a tape frame that holds a tape above the rubber sheet; and first and second supply/exhaust tubes that switch pressurization and depressurization of the first and second airtight spaces. In pressurizing the second airtight space and expanding the rubber sheet to lift the wafer to be attached to the tape, after bringing the first and second airtight spaces into a vacuum state, the wafer is attached to the tape while an amount of pressurization of the second airtight space is controlled to change an expansion rate of the rubber sheet from a low speed to a high speed stepwisely.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: July 12, 2016
    Assignee: NEC ENGINEERING, LTD.
    Inventors: Yoichiro Taga, Eiichiro Aoki
  • Patent number: 9294651
    Abstract: An image reading device includes: a CCD for reading an image on a document to output an image signal; a light source for switchingly emitting visible light and non-visible light; and lighting control means for controlling lighting periods of the light source. The lighting control means is adapted to perform control such that a first light source lighting period for applying non-visible light is longer than a second light source lighting period for applying visible light. The image reading device also includes splitting means for splitting the image signals outputted from the CCD into an image signal upon application of visible light and an image signal upon application of non-visible light.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: March 22, 2016
    Assignee: NEC Engineering, LTD.
    Inventors: Kouji Okada, Tetsuichiro Yamamoto, Hiroshi Hoshimiya
  • Publication number: 20150333303
    Abstract: This rack structure includes: a battery shelf (55) for accommodating a plurality of battery units (30); a rack (10) in which at least one battery shelf (55) is mounted; and a connector (180) which electrically connects the battery shelf and the rack with each other. The connector (180) has a first connector member (181) disposed on a rear surface of the battery shelf and a second connector member (191) disposed on the rack side, and is configured such that the first connector member (181) and the second connector member (191) are connected with each other while the battery shelf (55) is moved to a predetermined mounting position in the rack.
    Type: Application
    Filed: November 5, 2013
    Publication date: November 19, 2015
    Applicants: NEC Engineering, Ltd., NEC Corporation
    Inventors: Kuniatsu HACHIYA, Kouichi KAWADA, Yuka HOSHIYA, Seiji HAMANO, Kunihiro AKABA, Hironori ONO, Kenji USUI, Yousuke YAMADA
  • Publication number: 20150303419
    Abstract: A battery shelf assembly (50) includes: a plurality of battery units (30); a battery shelf (55) accommodating the battery units (30), configured such that the battery units (30) are mounted or dismounted by sliding movement in the battery shelf; and a power connector (120) connecting the battery unit (30) and the battery shelf (55) so that power of the battery unit can be output. The power connector (120) has: a first connector member (121) disposed at an electrode terminal of the battery unit (30); a second connector member (131) disposed on the battery shelf side and configured to connect with the first connector member (121); and a floating structure that absorbs a position gap between the first and second connector members.
    Type: Application
    Filed: November 5, 2013
    Publication date: October 22, 2015
    Applicants: NEC CORPORATION, NEC ENGINEERING, LTD.
    Inventors: Kuniatsu Hachiya, Seiji Hamano, Yuka Hoshiya, Kouichi Kawada, Kunihiro Akaba, Hironori Ono, Kenji Usui, Yousuke Yamada
  • Patent number: 9167123
    Abstract: The present invention provides an image reader apparatus capable of obtaining an image having stable brightness while suppressing an increase of the cost of the apparatus. The image reader apparatus 1 for reading an image on a document 2 being fed and outputting an image signal includes a synchronization signal generation circuit 4 for generating a synchronization signal SS synchronous with a feed timing and a feed cycle of the document 2, a CCD 6 for reading an image on the document 2 in synchronism with the synchronization signal SS, an LED 9 for emitting white light, and a lighting control circuit 7 for turning the LED 9 on in synchronism with the synchronization signal SS and turning the light source off so that a lighting period is equalized for each line irrespective of a variation of the feed cycle of the document 2. The lighting control circuit 7 turns the LED 9 off so that the lighting period of the LED 9 is equal to a predetermined preset period.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: October 20, 2015
    Assignee: NEC Engineering, Ltd.
    Inventors: Kouji Okada, Tetsuichiro Yamamoto, Hiroshi Hoshimiya
  • Patent number: 9145001
    Abstract: Image forming apparatus 10 of the present invention is an apparatus for forming an image on a surface of recording medium P by applying laser light to recording medium P, the apparatus including a plurality of light sources 31 each of which emits laser light, a plurality of optical fibers 23 and 42 through which laser light respectively emitted from light sources 31 propagates, holder 43 that holds optical fibers 42, and fly-eye lens 50, cylindrical lens array 60, aperture array 70, lens 80a and lens 80b through which laser light emitted from end surfaces of optical fibers 42 passes, wherein each of apertures 71 of aperture array 70 is rectangular.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: September 29, 2015
    Assignee: NEC ENGINEERING, LTD.
    Inventor: Hajime Moriwaki
  • Publication number: 20150044512
    Abstract: A power storage device including a battery containing body and a chassis for housing the body, further including a first guide rail for receiving a first end portion on a lower side of the body and a second guide rail for receiving a second end portion on an upper side of the body, when inserting and removing the flat battery containing body upright, wherein the first guide rail includes a pair of a higher side plate and a lower side plate which are different in height from each other and extend in an insertion direction, and a receiving portion including a stopper at an end portion of the rail; at a vicinity of a corner portion on a back side in the insertion direction of the first end portion of the battery containing body, a first protrusion portion is provided such that, when removing the battery containing body, the first protrusion portion engages with the stopper, thereby preventing the battery containing body from dropping; and at a vicinity of a corner portion on the back side in the insertion dir
    Type: Application
    Filed: March 15, 2013
    Publication date: February 12, 2015
    Applicants: NEC Corporation, NEC Energy Devices, Ltd., NEC Engineering, Ltd.
    Inventors: Daisuke Kawaguchi, Akira Iida, Toru Suzuki
  • Publication number: 20150030889
    Abstract: A power storage device includes a battery containing body, an electronic device unit, and a chassis for housing them, wherein at a side surface portion of the chassis, an opening for inserting and removing the battery containing body and the electronic device unit is provided; an openable and closable pivoting member is provided inside the opening, the pivoting member, when closed, preventing removal of the battery containing body, and when opened, preventing insertion of the electronic device unit as removed; and the electronic device unit is housed and disposed adjacent to the battery containing body, and includes an opening prevention guide capable of engaging with the pivoting member and thereby preventing the pivoting member from being opened when the electronic device unit is housed.
    Type: Application
    Filed: March 15, 2013
    Publication date: January 29, 2015
    Applicants: NEC CORPORATION, NEC ENERGY DEVICES, LTD., NEC ENGINEERING, LTD.
    Inventors: Daisuke Kawaguchi, Akira Iida, Toru Suzuki
  • Patent number: 8913308
    Abstract: A light collecting member includes a lens to make incident light be collected on a light receiving member, a lens barrel to house the lens, an end portion into which a light enters of the lens barrel being arranged near the light receiving member and a fence member to cover the end portion into which a light enters of the lens barrel and the light receiving member, the fence member having an exhaust port formed in a manner extending in a vertical direction.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: December 16, 2014
    Assignees: NEC AccessTechnica, Ltd., NEC Engineering, Ltd.
    Inventors: Namie Sugiyama, Koushi Takano, Hiroyuki Okada
  • Patent number: 8854702
    Abstract: An image reading apparatus includes a touch panel that outputs a press position pressed by a finger as coordinate information in a sub-scanning direction, the finger being placed on the surface of the touch panel, a CCD that takes an image of the finger placed on the touch panel from the rear side of the touch panel in a main-scanning direction, and outputs an image signal, and a motor that moves the CCD in the sub-scanning direction so as to follow a rotational movement of the finger based on the movement amount detected by the movement detection unit.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: October 7, 2014
    Assignee: NEC Engineering, Ltd.
    Inventor: Tetsuichiro Yamamoto
  • Patent number: 8833423
    Abstract: A film application apparatus removes a glue surface protective sheet from a separated film and applies the film to the panel. The film application apparatus includes a press stage that presses the film from above the film, a press unit that presses an end part of the glue surface protective sheet from below so as to bend and raise the end part of the glue surface protective sheet and remove the end part of the glue surface protective sheet from the film, thereby performing primary removal to the glue surface protective sheet, an application head that is configured to be rotatable around a spindle, and has a curved surface convex toward the glue surface protective sheet and holds the film with the glue surface protective sheet being primarily removed, and a removal tape that removes the entire glue surface protective sheet from the film held by the application head.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: September 16, 2014
    Assignee: NEC Engineering, Ltd.
    Inventors: Masao Chida, Syouji Mori
  • Patent number: D720311
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: December 30, 2014
    Assignees: NEC Engineering, Ltd., NEC Corporation
    Inventors: Norihisa Shiroyama, Kiyotake Sasaki, Sumio Ueda, Takahiro Miyamoto
  • Patent number: D720312
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: December 30, 2014
    Assignees: NEC Engineering, Ltd., NEC Corporation
    Inventors: Norihisa Shiroyama, Kiyotake Sasaki, Sumio Ueda, Takahiro Miyamoto