Patents Assigned to Furuno Electric Co., Ltd.
  • Publication number: 20240010318
    Abstract: To more reliably achieve the turn intended by the operator without making major system changes. The ship control device is provided with an input unit for inputting a maneuvering command value related to the operation control of the ship and a control unit for generating and outputting a steering angle command signal and a throttle command signal to the ship based on the maneuvering command value. If the maneuvering command value is in the intermittent control range, the control unit outputs a throttle command signal with an intermittent control waveform having a Hi level and a Low level.
    Type: Application
    Filed: June 12, 2023
    Publication date: January 11, 2024
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventor: Hideki UENO
  • Publication number: 20240012013
    Abstract: The present disclosure provides an apparatus (200) for checking stirring quality of a chemical analyzer (100). The apparatus includes a stirrer (202) configured to generate agitation of a test liquid (210) in a first cuvette (212). The apparatus includes a convection generator (208) configured to generate thermal convection of the test liquid. The thermal convection is generated due to temperature difference caused by providing different temperature to the first cuvette. The apparatus includes a photometric device (204) configured to radiate light through the test liquid and continuously generate an output signal upon receipt of the radiated light through the test liquid. Further, the apparatus includes a determination module (206) configured to determine photometric data associated with absorbance values of the test liquid. The determination module is configured to determine at least one metric representing the stirring quality of the test liquid based on the photometric data.
    Type: Application
    Filed: July 10, 2023
    Publication date: January 11, 2024
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventors: Yoshiki KAMIMOTO, Toshihisa YAMADA
  • Patent number: 11862865
    Abstract: A target detection device is provided, which includes a transmission array and a signal generator. The transmission array includes a plurality of transmission elements configured to convert an electric signal into a transmission wave. The signal generator generates first and second sets of electric signals, each set being generated with different phase settings. The signal generator groups the transmission elements according to grouping configurations including first and second grouping configurations. In the first grouping configuration, the plurality of transmission elements are grouped into a plurality of groups each having p transmission elements, and, in the second grouping configuration, the plurality of transmission elements are grouped into a plurality of groups each having q transmission elements.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: January 2, 2024
    Assignee: FURUNO ELECTRIC CO., LTD.
    Inventors: Shinya Tanimura, Yasunobu Asada
  • Patent number: 11852476
    Abstract: A tidal current display data generation apparatus for a movable body, for displaying tidal current information on a display screen, includes a tidal current information receiving terminal configured to receive tidal current information including a position of a tidal current on a chart of a region including the movable body, and a plurality of predicted tidal current directions of the tidal current at the position at a corresponding plurality of time instants, and a tidal current display data generation terminal configured to generate an indicator including a time scale determined according to the plurality of time instants, determine position of each predicted tidal current direction on the time scale at respective time instant, generate a plurality of symbols for respective positions on the time scale, each symbol indicating respective predicted tidal current direction at respective time instant, and output the indicator including the plurality of symbols to the display screen.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: December 26, 2023
    Assignee: Furuno Electric Co., Ltd.
    Inventor: Koji Nishiyama
  • Publication number: 20230411858
    Abstract: A slot array antenna that includes radiation, base, and grating plates is disclosed. The radiation plate has a first surface having multiple slots to radiate radio waves, second and third surfaces forming a horn shape, and proximal and distal connecting members. The base plate has first, second, and third surfaces forming a U-shape, and notches. The connecting members of the radiation are removably insertable into the notches to assemble the slot array antenna for the radiation of the radio waves and to suppress noise signals.
    Type: Application
    Filed: October 21, 2022
    Publication date: December 21, 2023
    Applicant: Furuno Electric Co., Ltd.
    Inventor: Akihiro HINO
  • Publication number: 20230406461
    Abstract: A navigation route planning apparatus includes processing circuitry configured to receive a planned route indicating a route and a current course direction of a movable body, receive movable body information that includes a position, a travelling direction, and a speed of the own ship, receive obstacle information that includes a position, a traveling direction, and a speed of an obstacle, determine a collision risk value associated with the planned route along the current course direction based on the movable body information and the obstacle information, and determine whether the movable body requires to at least one of evade the planned route and continue traversing on the planned route based on the collision risk value.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 21, 2023
    Applicant: Furuno Electric Co., Ltd.
    Inventor: Seiichi UOSHITA
  • Publication number: 20230399082
    Abstract: An obstruction zone generation device (3) for a movable body (1) includes a calculation information generation module (31) to generate calculation information based on sensor information acquired by one or more information acquisition devices (2), an obstruction zone calculation module (32) to calculate an obstacle zone by target (OZT) for each target ship of one or more target ships (204a-204d) and generate OZT information, a mask area determination module (33) to determine for each target ship of the one or more target ships (204a-204d) whether to mask the OZT of the respective target ship in the OZT information based on a direction of the respective target ship and generate output information, and a display information generation module (34) configured to generate OZT display information for displaying the OZT of the one or more target ships (204a-204d) based on the output information and the OZT information.
    Type: Application
    Filed: May 12, 2023
    Publication date: December 14, 2023
    Applicant: Furuno Electric Co., Ltd.
    Inventor: Seiichi UOSHITA
  • Publication number: 20230393270
    Abstract: An underwater detection device includes a transmitter, a receiver, an actuator, a controller, and a signal processor. The transmitter transmits a transmission wave. The receiver receives a reflection wave of the transmission wave. The actuator rotates the transmitter and the receiver in a mutually synchronized fashion. The controller makes the transmitter transmit a plurality of transmission waves at mutually different frequencies in order, for every given unit rotation angle. The signal processor generates an echo signal for indication in a direction of the unit rotation angle based on a reception signal at each of the frequencies acquired from a range of the unit rotation angle.
    Type: Application
    Filed: June 2, 2023
    Publication date: December 7, 2023
    Applicant: Furuno Electric Co., Ltd.
    Inventor: Kohei IWATA
  • Publication number: 20230380799
    Abstract: This analysis system 1 comprises: an electric stimulus device 2 which applies an electric stimulus formed of short pulses on a muscle; an ultrasonic wave pulse echo device 3 which transmits ultrasonic waves to the muscle and receives a reflected ultrasonic wave; and an analysis unit 33 which analyzes, on the basis of the reflected ultrasonic wave, contraction characteristics of the muscle at the time of a simple contraction response of the muscle with respect to the electric stimulus.
    Type: Application
    Filed: June 4, 2023
    Publication date: November 30, 2023
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventor: Wataru KIYAN
  • Publication number: 20230373600
    Abstract: Proper setting of feedback control according to the ship. The ship control device includes processing circuitry configured to set the ship characteristic parameters of the combined system of first order lag and dead time, which integrates the behavior of the rudder and the behavior of the ship. Using the ship characteristic parameters, the processing circuitry is further configured to calculate the control parameters of feedback control with respect to the rudder angle of the rudder. Using the control parameters, the processing circuitry is further configured to perform feedback control.
    Type: Application
    Filed: August 4, 2023
    Publication date: November 23, 2023
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventors: Tomoyasu TAKAHASHI, Naoya HASHIMOTO
  • Patent number: 11822023
    Abstract: The purpose is to provide a navigation information device and a navigation information processing method capable of excellently grasping a surrounding situation of own ship and improving a visibility of a detection result by a sonar. The navigation information device is provided with a surrounding information generating module for generating surrounding information around the ship itself, a sonar information generating module for generating sonar information indicating the detection result by the sonar, and a display control module for performing control for enlarging one display area of a surrounding screen on which the surrounding information is displayed and a sonar screen on which the sonar information is displayed and reducing the other display area, as compared with corresponding display area before satisfying the predetermined condition, when the predetermined condition is satisfied.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: November 21, 2023
    Assignee: FURUNO ELECTRIC CO., LTD.
    Inventor: Katsuhiro Komiyama
  • Publication number: 20230362035
    Abstract: The present disclosure provides a frequency deviation estimation device for estimating a frequency deviation upon receiving a digitally modulated non-repetitive signal. The frequency deviation estimation device is equipped with an instantaneous frequency measurement module, a minimum frequency detection module, and a frequency deviation calculation module. The instantaneous frequency measurement module measures the instantaneous frequency of the received communication signal. The minimum frequency detection module detects the minimum frequency of the instantaneous frequency. The frequency deviation calculation module calculates the frequency deviation between the received communication signal and the reference signal for coarse adjustment using the reference minimum frequency and the minimum frequency when the frequency deviation is zero Hertz.
    Type: Application
    Filed: July 13, 2023
    Publication date: November 9, 2023
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventors: Daisuke KIMURA, Yusuke TOYODA
  • Patent number: 11808579
    Abstract: An augmented reality based tidal current display device for superimposing tidal current information on an image displayed on a display screen includes an image information terminal configured to receive the image captured by an image sensor, and output image data for displaying on the display screen; an image sensor information terminal configured to receive and store image sensor information of the image sensor; a tidal current information terminal configured to receive and store tidal current information of the water surface; and processing circuitry configured to: select tidal currents, calculate a corresponding display position and direction of each selected tidal current on the display screen based on the tidal current information and the image sensor information, generate a symbol to indicate the corresponding display position and direction on the display screen, and superimpose the symbol at a respective display position to the corresponding display position on the image.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: November 7, 2023
    Assignee: Furuno Electric Co., Ltd.
    Inventor: Koji Nishiyama
  • Publication number: 20230344464
    Abstract: A timing detection device includes a main reference code generation module, an auxiliary reference code generation module, a first correlation processing module, a second correlation processing module, and a subtraction module. The main reference code generation module generates a main reference code consisting of the same code for synchronization included in a received signal. Using a portion of the same code as the code for synchronization, the auxiliary reference code generation module generates an auxiliary reference code consisting of a code configuration different from the main reference code and without generating a main lobe during correlation processing. The first correlation processing module correlates the received signal with the main reference code and outputs a first correlation result. The second correlation processing module correlates the received signal with the auxiliary reference code and outputs a second correlation result.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventors: Daisuke KIMURA, Yusuke TOYODA
  • Publication number: 20230336124
    Abstract: A demodulation device includes a phase rotation module, a phase adjustment module, a phase comparison module, and a reference signal generation module. The phase rotation module rotates phases of an I-Phase signal and a Q-Phase signal in a received signal of a multilevel PSK signal using a reference signal. The phase adjustment module adjusts the phases of the phase rotated I-Phase signal and the phase rotated Q-Phase signal output from the phase rotation module by multiplying the phases of the I-Phase signal and the Q-Phase signal with an integer value to generate a phase adjusted I-Phase signal and a phase adjusted Q-Phase signal. The phase comparison module compares the phase of the phase adjusted I-Phase signal with the phase of the phase adjusted Q-Phase signal to generate a phase comparison result. Also, the reference signal generation module generates a reference signal using the phase comparison result.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventor: Daisuke KIMURA
  • Publication number: 20230324536
    Abstract: A radar signal processing device includes: a shielding length calculating unit (61) which calculates, based on a reception signal received by an antenna that transmits and receives radio waves, a shielding length (L2), which is the horizontal length of a region where a transmission signal transmitted from the antenna is shielded by a shielding object (13) above a reference plane; and a vertical height calculating unit (62) which calculates, based on the shielding length and the positional relationship between the shielding object and the antenna, the height (H2) of the shielding object from the reference plane.
    Type: Application
    Filed: June 1, 2023
    Publication date: October 12, 2023
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventors: Tetsuya MIYAGAWA, Yoshifumi OHNISHI
  • Publication number: 20230314583
    Abstract: A target object detecting device including first and second transmission signal generators, a wave transmitting array, first and second switches, and a controller is disclosed. The first and second transmission signal generators generate first and second transmission signals, respectively. The wave transmitting array has a plurality of wave transmitting elements which convert the first and second transmission signals into transmission waves. The first switch supplies the first transmission signal to one of the wave transmitting elements. The second switch supplies the second transmission signal to one of the wave transmitting elements. The controller performs a control in which the first switch switches the wave transmitting element to which the first transmission signal is supplied, from an element n to an element n+1, and the second switch switches the wave transmitting element to which the second transmission signal is supplied, from an element m to an element m+1.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 5, 2023
    Applicant: Furuno Electric Co., Ltd.
    Inventors: Yasushi NISHIMORI, Nobuo SHIBATA
  • Patent number: 11777456
    Abstract: An amplifying apparatus is provided, which includes a power-source main line, a plurality of amplifying control devices which include an amplifier, a power-source branch line, an over current protector. The amplifier amplifies a high-frequency signal. The power-source branch line is branched from the power-source main line. The over current protector disposed for the power-source branch line is connected to the amplifier and configured to disconnect the power-source branch line based on drive current flowing through the amplifier from the power-source branch line. The power-source main line is common to the plurality of amplifying control devices.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: October 3, 2023
    Assignee: FURUNO ELECTRIC CO., LTD.
    Inventors: Takehiro Kishida, Keisuke Tanaka, Daisuke Fujioka, Masayuki Shiromoto
  • Patent number: 11774584
    Abstract: An image generating device for a radar includes a receiving module configured to receive a radar signal from an antenna and process the radar signal to generate an echo, an edge image generator configured to generate an edge echo image based on the echo acquired at a first time instance, a projected image generator configured to generate a projected echo image based on the echo acquired at a second time instance, and a superimposition generator configured to superimpose the edge echo image on the projected echo image based on the first and second time instances, to generate a superimposed echo image.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: October 3, 2023
    Assignee: Furuno Electric Co., Ltd.
    Inventor: Masaya Nose
  • Publication number: 20230303232
    Abstract: To control an automatic steering appropriately regardless of a ship speed. An automatic steering device includes processing circuitry. The processing circuitry acquires motion information including a ship length and a ship speed. The processing circuitry identifies a non-dimensionalizing motion parameter based on the ship length and the motion information. The processing circuitry generates a dimensionalizing motion parameter by dimensionalizing the non-dimensionalizing motion parameter based on the ship speed. The processing circuitry sets a control parameter of the model-based controller based on the dimensionalizing motion parameter.
    Type: Application
    Filed: March 15, 2023
    Publication date: September 28, 2023
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventors: Tomoyasu TAKAHASHI, Naoya HASHIMOTO, Ardhana WICAKSONO