Patents Assigned to Fujitsu Ten Limited
  • Publication number: 20180142800
    Abstract: A controller according to the present disclosure includes a target current controller, a dither controlling unit, an output-duty generating unit, and a Pulse-Width-Modulation-pulse (PWM-pulse) converting unit. The dither controlling unit generates a dither duty for providing, to a target current duty of a load, a dither having predetermined dither period. The target current controller calculates, for each predetermined feedback period, an average value of a feedback current from the load and generates the target current duty based on the average value. The output-duty generating unit generates an output duty obtained by adding the dither duty generated by the dither controlling unit to the target current duty generated by the target current controller. The PWM-pulse converting unit converts the output duty generated by the output-duty generating unit to PWM pulses.
    Type: Application
    Filed: October 13, 2017
    Publication date: May 24, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Tomohito KATO, Takeshi DOWA, Shingo MATSUDA, Tomoyuki KATO
  • Publication number: 20180142688
    Abstract: A rotation device according to an embodiment includes a first gear, a second gear, and an energizing part. The first gear includes a toothless part and is connected with a rotation driving source. The toothless part is obtained by cutting a part of continuous teeth of the first gear. The second gear is arranged to be able to be engaged with the first gear and is rotated, when engaged with the first gear, in a predetermined direction by a rotation of the rotation driving source in one direction. The energizing part energizes the second gear in a direction reverse to the predetermined direction when the second gear is in a free state in which an engagement of the second gear with the first gear is released by the toothless part.
    Type: Application
    Filed: October 3, 2017
    Publication date: May 24, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Masashi OTOMI, Tomohisa KOSEKI
  • Publication number: 20180141523
    Abstract: An extraneous-matter removing apparatus according to an embodiment includes a connector, a detector, and a removal unit. The connector is connected with a branch wire branching from a camera wire. The camera wire transmits a start-up signal for starting up a camera provided outside of a vehicle. The detector detects the start-up signal flowing through the branch wire connected with the connector. The removal unit performs, when the detector detects the start-up signal, a removing operation of an extraneous matter attached to the camera.
    Type: Application
    Filed: October 11, 2017
    Publication date: May 24, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Masashi OTOMI, Masahiro KOHARAZAWA
  • Patent number: 9977126
    Abstract: A radar apparatus is configured to derive information of a target in a vicinity of a host vehicle. The radar apparatus comprising a signal processor configured to: determine whether or not the target is a standstill object having an absolute speed less than a predetermined speed, determine whether or not the target determined as the standstill object is an upper object overhead of the host vehicle and with which the host vehicle cannot collide, and determine whether or not an environment for deriving target information is an adverse environment based on a frequency of determining existence of the upper object that also is the standstill object.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: May 22, 2018
    Assignee: FUJITSU TEN LIMITED
    Inventors: Shota Mori, Hiroyuki Ishimori
  • Patent number: 9977062
    Abstract: An electric field intensity calculation apparatus specifies, by analyzing a measurement result for a near magnetic field intensity distribution on a component side of a printed circuit, a maximum intensity of an evaluation target frequency component of a near magnetic field of the printed circuit and an area of a range, on the printed circuit, delimited by using, as its boundary, positions where intensity of the evaluation target frequency component of the near magnetic field attenuates by a predetermined factor relative to the maximum intensity, and calculate a far electric field intensity for the evaluation target frequency at a place at a distance from the printed circuit, based on the area, an electronic current value of an electronic current that generates a near magnetic field having the maximum intensity when flowing through the component side of the printed circuit, the evaluation target frequency, the distance, and a proportional coefficient.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: May 22, 2018
    Assignees: FUJITSU TEN LIMITED, FDK CORPORATION
    Inventors: Jun Inami, Katsuji Hirabayashi, Manabu Teranishi
  • Patent number: 9979865
    Abstract: A vehicle-mounted electronic apparatus includes: a camera that captures images of an outside of the vehicle; a storage chamber in which the camera is stored; a lid that opens and closes an aperture extending between an inside of the storage chamber and an outside of the storage chamber. Moreover, the vehicle-mounted electronic apparatus further includes an opening switch that is actuated in response to pressure applied to the lid and that sends a signal for opening a door of a luggage compartment of the vehicle when the opening switch is actuated. Thus, the opening switch and the camera can be disposed in a same position of the vehicle.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 22, 2018
    Assignee: FUJITSU TEN LIMITED
    Inventors: Tomohisa Koseki, Masashi Otomi
  • Publication number: 20180136183
    Abstract: An engine control device of a vehicle engine includes a processor that detects an operation state of the engine and controls an output of a heater which heats an intake air oxygen concentration sensor detecting oxygen concentration of intake air of the engine. The intake air includes a portion of exhaust gas recirculated to an intake passage of the engine as EGR gas. The processor controls the output of the heater, according to a detected operation state of the engine, so that the intake air oxygen concentration sensor enters one of (i) an active state where a temperature of the intake air oxygen concentration sensor becomes greater than or equal to an activation temperature, (ii) a semi-active state where the sensor temperature is lower than the activation temperature and higher than an inactivation temperature, and (iii) an inactive state where the sensor temperature is lower than the inactivation temperature.
    Type: Application
    Filed: August 2, 2017
    Publication date: May 17, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventor: Masatoshi HAGIWARA
  • Patent number: 9971022
    Abstract: A radar apparatus is installed in a vehicle and receives a reflection wave from a target to derive information about the target. The radar apparatus includes a signal processor to extract a peak signal that is obtained from a difference frequency between a transmission signal whose frequency changes in a prescribed cycle and a reception signal representing reception of a reflection wave that is generated from a transmission wave of the transmission signal reflected by the target, in each of an up period in which the frequency of the transmission signal increases and a down period in which the frequency decreases; and to determine whether a target information derivation environment is good or bad based on a number of the peak signals each of which corresponds to a static object having a plurality of angle information.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: May 15, 2018
    Assignee: FUJITSU TEN LIMITED
    Inventors: Daisuke Nishio, Masatoshi Aoki
  • Patent number: 9972900
    Abstract: Provided is a distributor capable of reducing insertion loss while suppressing a ratio in power distribution among output lines from being changed. The distributor 4 is a distributor that is connected with an input line Lin and output lines Lo1 to Lo3 respectively formed on a dielectric substrate 10 as microstrip lines, and distributes to the output lines Lo1 to Lo3 high frequency power fed from a feeding point to a branching point through the input line Lin. In addition, the distributor 4 is configured to include a stub area 42 that is formed in the input line Lin, is separated from the branching point 41, and has a rectangular shape wider than line widths of a first area La and a second area Lb of the input line Lin.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: May 15, 2018
    Assignees: Fujitsu Ten Limited, Nippon Pillar Packing Co., Ltd.
    Inventors: Takeshi Okunaga, Akira Nakatsu, Eisuke Hayakawa, Hiroaki Yoshitake
  • Publication number: 20180126921
    Abstract: An optical unit includes an optical sensor, a nozzle and a fixing part. The nozzle is positioned and configured to eject fluid onto an optical surface of the optical sensor. The fixing part is slidably engaged over the optical sensor and the nozzle from a side of the optical sensor having the optical surface and integrally fixes the optical sensor and the nozzle to each other.
    Type: Application
    Filed: September 8, 2017
    Publication date: May 10, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Tomohisa KOSEKI, Masashi OTOMI, Yasutaka YAMANAKA
  • Patent number: 9965959
    Abstract: A lane departure warning apparatus that issues a warning for a lane departure of a vehicle monitors a change amount of a location of the vehicle relative to a division line that defines a travelling lane, in a case where the lane departure warning apparatus has detected the lane departure of the vehicle from the travelling lane. The lane departure warning apparatus is issues the warning to an output device in at least one of cases in which (i) the change amount monitoring part determines that the change amount of the location of the vehicle is equal to or greater than a first threshold value and (ii) the change amount monitoring part determines that the change amount per a unit of time is equal to or greater than a second threshold value.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: May 8, 2018
    Assignee: FUJITSU TEN LIMITED
    Inventor: Tomohide Kasame
  • Patent number: 9960610
    Abstract: A flying capacitor type voltage detecting device which uses a capacitor to detect a voltage of each battery stack of a battery pack which includes a plurality of battery stacks each of which includes a plurality of battery cells connected in series, includes: a detecting unit that detects a voltage between both ends of the capacitor, as the voltage of each battery stack; and a branch line that is a single line which is branched from a connection line connecting the battery stacks and the detecting unit and connected to the capacitor and where a current during charging of the capacitor and a current during discharging of the capacitor flow in opposite directions.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 1, 2018
    Assignee: FUJITSU TEN LIMITED
    Inventors: Sho Tamura, Hiroyuki Fuji
  • Patent number: 9961259
    Abstract: An image generation unit uses a plurality of captured image data and vehicle body data of a vehicle to continuously generate a virtual perspective image indicating the vehicle body of the vehicle and the periphery of the vehicle as seen from a virtual perspective (VP) positioned within the cabin of the vehicle. An image control unit alters the angle in a plan view of the line of sight of the VP in a manner such that the line of sight circles the surroundings of the vehicle, and moves the position of the VP in the front-back direction of the vehicle.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: May 1, 2018
    Assignee: FUJITSU TEN LIMITED
    Inventors: Miki Murasumi, Shinichi Moriyama, Masahiro Yamada
  • Publication number: 20180114089
    Abstract: An attachable matter detection apparatus according to an embodiment includes an acquirement unit, a creation unit, and a determination unit. The acquirement unit acquires a determination target area of an attachable matter from a photographic image. The creation unit creates histograms of at least an edge intensity, luminance, and saturation for the determination target area acquired by the acquirement unit. The determination unit determines whether or not the attachable matter exists in the determination target area on the basis of a ratio of frequency of each grade in each of the histograms created by the creation unit.
    Type: Application
    Filed: October 3, 2017
    Publication date: April 26, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Nobuhisa IKEDA, Takashi KONO, Nobunori ASAYAMA, Daisuke YAMAMOTO, Yasushi TANI, Junji HASHIMOTO
  • Publication number: 20180115304
    Abstract: An operation button includes: a body that is in a tubular shape; a top which has a light-transmitting portion and which is attached to the body at its one end; a plurality of legs that are provided at the other end of the body at intervals from each other in the circumferential direction; and a flange arranged between the one end and the other end of the body.
    Type: Application
    Filed: August 31, 2017
    Publication date: April 26, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Kengo TAKADA, Toshiya SHIROTA, Takahiro TSUKADA, Masao OHTANI
  • Publication number: 20180112610
    Abstract: When a crankshaft reversely rotates immediately before a stoppage of an engine, the amount of fuel injection in a cylinder in an expansion stroke is controlled to acquire a target air-fuel ratio in accordance with the amount of air in the cylinder. When the electronic control unit determines that the exhaust valve is opened at the time of reverse rotation, the amount of fuel injection is determined by considering a change in the amount of air due to exchange of gas with an exhaust path.
    Type: Application
    Filed: October 24, 2017
    Publication date: April 26, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, FUJITSU TEN LIMITED
    Inventors: Yusuke SUZUKI, Kunihiko USUI, Kazuya KOYAMA
  • Publication number: 20180115084
    Abstract: An antenna apparatus includes: an antenna array that: i) includes a plurality of antennas arranged next to each other in a predetermined direction, ii) is supplied with power from a power source, and iii) transmits radio waves; and a plurality of dummy antennas that: i) are provided on opposite sides of the antenna array in the predetermined direction, ii) are supplied with power from an electric field leaked from the antennas of the antenna array, and iii) transmit radio waves. Thus, it is possible to prevent an accuracy of detecting a target from deteriorating.
    Type: Application
    Filed: September 7, 2017
    Publication date: April 26, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Junzoh TSUCHIYA, Kenji OKA, Ryuichi HASHIMOTO, Norihisa NISHIMOTO, Kenta SHIRAHIGE
  • Publication number: 20180109340
    Abstract: A broadcast receiving apparatus includes a reception unit, sound controlling unit, and determination unit. The reception unit receives a signal of an analog broadcast and a signal of a digital broadcast having the same broadcast content. The sound controlling unit performs, when an output of the broadcast receiving apparatus switched into the analog broadcast from the digital broadcast, a switching control of switching the output into the analog broadcast from the digital broadcast so that an acoustic characteristic of the output digital broadcast gradually approaches an acoustic characteristic of the analog broadcast based on a reception intensity of the signal of the analog broadcast. The determination unit determines, after the sound controlling unit starts the switching control, whether or not the switching control performed by the sound controlling unit is to be continued, based on reception state of the signal of the digital broadcast.
    Type: Application
    Filed: October 5, 2017
    Publication date: April 19, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventors: Yuya TERASHIMA, Kenichi NAKANO
  • Publication number: 20180095173
    Abstract: There is provided a radar device. A transmitting unit transmits chirp waves based on a transmission signal whose frequency continuously increases or decreases. A receiving unit outputs reception signals based on reflected waves of the chirp waves from a target. A transmission control unit controls the transmitting unit to transmit a predetermined number of the chirp waves in a first transmission period, and then transmit the chirp waves more than the predetermined number in a second transmission period. A generating unit generates beat signals from the transmission signal and the reception signals. A signal processing unit derives a distance to the target based on the beat signals generated in the first transmission period, determine a distance range limited based on the derived distance, and derive the distance and a relative velocity to the target based on the beat signals generated in the second transmission period within the distance range.
    Type: Application
    Filed: October 2, 2017
    Publication date: April 5, 2018
    Applicant: FUJITSU TEN LIMITED
    Inventor: Yasuhiro KURONO
  • Patent number: 9931982
    Abstract: There is provided an image generation apparatus used for a vehicle having side mirrors. An image acquisition unit is configured to acquire a plurality of captured images obtained by a plurality of cameras including side cameras provided in the side mirrors. A generation unit is configured to generate a composite image which indicates a periphery of the vehicle viewed from a virtual viewpoint, by using target areas defined for the respective captured images. A state acquisition unit is configured to acquire a developed or folded state of the side mirrors. The generation unit changes the target areas in accordance with the developed or folded state of the side mirrors.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: April 3, 2018
    Assignee: FUJITSU TEN LIMITED
    Inventors: Naoyuki Okada, Masahiro Yamada, Yasuyoshi Sawada, Takumi Hayashida