Patents Assigned to Furuno Electric Company
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Patent number: 10012672Abstract: To accurately calculate an attached angle of an accelerometer and accurately correct an acceleration that is obtained from the accelerometer: a frequency analyzing module of an acceleration corrector divides a sensor coordinate system acceleration into a bias frequency component, a gravity frequency component, a movement acceleration frequency component, and a noise frequency component, through a wavelet transform. The frequency analyzing module outputs a sum component of the gravity frequency component and the movement acceleration frequency component to an attached angle estimating module and a correcting operation module. The attached angle estimating module estimation-calculates the attached angle of an accelerometer and outputs it to the correcting operation module.Type: GrantFiled: April 19, 2010Date of Patent: July 3, 2018Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Hiroyuki Toda, Ken Yoshitake
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Patent number: 10000270Abstract: A moving body control device includes a moving body direction sensor, a position sensor, and processing circuitry. The processing circuitry estimates a direction of disturbance. The processing circuitry sets a target position and a starting position. The processing circuitry controls a propulsion generator and a movement direction adjuster such that a heading direction sensed by the moving body direction sensor is opposite to the direction of the disturbance estimated by the processing circuitry, and when the moving body has been drifted at least a specific distance from the target position, the moving body returns to the starting position, and the heading direction at the starting position is opposite to the direction of the disturbance. The processing circuitry changes the starting position based on a distance between the target position and a position of the moving body sensed by the position sensor.Type: GrantFiled: November 26, 2015Date of Patent: June 19, 2018Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Kazuya Kishimoto, Hitoshi Maeno, Masashi Imasaka
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Patent number: 9983296Abstract: A data processing apparatus that can set the magnification factor according to the distance from the antenna is provided so that the display of objects close to the antenna is easier to see and with which the changes in the settings of the magnification factor is easy. The buffer memory stores the digital signals converted by the A/D converter in association with the distance and azimuth with respect to the antenna. The digital filter filters the digital signals read from the buffer memory. A digital filter is provided that converts a value of data of interest, of digital data stored in the memory, to a value based on values of the data of interest to be processed and peripheral data in a periphery of the data of interest, and the digital filter changes a range of the peripheral data used for a filter processing according to the distance from the antenna to the data of interest.Type: GrantFiled: February 18, 2013Date of Patent: May 29, 2018Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Koji Nishiyama
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Patent number: 9952050Abstract: An information remote notification device is provided. The information remote notification device includes an orientation sensor configured to detect an oriented direction of the information remote notification device, a communicator configured to acquire sensor information from an external terminal device, and a notifier configured to notify the sensor information corresponding to the oriented direction detected by the orientation sensor. The sensor information is obtained by transmitting and receiving a detection signal and includes at least information obtained from a direction corresponding to the oriented direction detected by the orientation sensor.Type: GrantFiled: October 21, 2015Date of Patent: April 24, 2018Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Masato Okuda
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Patent number: 9930487Abstract: A plotter device measures movement distance of a moving body along with other device belonging to the same network, in which only of the devices belonging to the same network functions as a master, and a device other than the master functions as a slave. This plotter device includes a measurement component, a communication component, and a calculator. The measurement component adds the movement distance while the plotter device is functioning as the master to the master movement distance of the plotter device, and does not add the movement distance while the plotter device is functioning as the slave to the master movement distance of the plotter device.Type: GrantFiled: December 15, 2015Date of Patent: March 27, 2018Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Florian Girault
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Patent number: 9915982Abstract: A display device is provided which suppresses cost increases attributable to design changes and so forth for things disposed on the inside of a product when a plurality of products of different screen size are developed, or when the screen size is changed. A display device 5 includes a display panel 11, a first board attachment component 13, a display panel board 18, a second board attachment component 21, a main board 22, a third board attachment component 23, and a power supply board 24. The main board 22 stores a plurality of display programs that produce an image to be displayed on the display panel 11, according to the screen size of the display panel 11. The first board attachment component 13, the display panel board 18, the second board attachment component 21, the main board 22, the third board attachment component 23, and the power supply board 24 are disposed in this order, starting from the display panel 11 side, on the rear side of the display panel 11.Type: GrantFiled: December 14, 2015Date of Patent: March 13, 2018Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Kenichi Murakami, Daigo Dohi
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Patent number: 9857467Abstract: It is an object to improve the visibility of a display screen on which a detected target is displayed. A detection device 1b is formed by a wave receiver disposed facing in a specific direction, and configured to periodically receive reflected waves corresponding to transmission wave transmitted from a wave transmitter, an echo train signal production component 8 configured to produce an echo train signal from each of the reflected waves, a distance from a starting point of the echo train signal corresponding to a distance from the wave transmitter, and an echo image signal production component 9 configured to produce an echo image signal based on each of the echo train signals in which each of the starting points is disposed at a specific reference point.Type: GrantFiled: May 12, 2015Date of Patent: January 2, 2018Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Takeharu Yamaguchi
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Patent number: 9832609Abstract: A sensor remote control system is provided. The sensor remote control system includes a sensor device configured to transmit and receive a detection signal in a direction to detect information in the direction, and a remote control device configured to transmit, to the sensor device, a control signal to remotely control the sensor device. The remote control device includes an orientation sensor configured to detect an oriented direction of the remote control device, and a communicator configured to generate the control signal based on the oriented direction detected by the orientation sensor, and transmit the control signal to the sensor device. The sensor device performs the detection based on the control signal received from the remote control device.Type: GrantFiled: October 21, 2015Date of Patent: November 28, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Masato Okuda
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Patent number: 9810769Abstract: This disclosure provides an information display device, which includes a sensor signal acquirer for acquiring a sensor signal indicating a content detected by a sensor, a signal processor for performing first signal processing and second signal processing different from the first signal processing, on the sensor signal, and a display unit for displaying on a screen image, first information of the sensor signal after the first signal processing, and partial information of second information of the sensor signal after the second signal processing in a different display mode from the first information, the partial information being different from the first information.Type: GrantFiled: September 14, 2012Date of Patent: November 7, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Yugo Kubota
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Patent number: 9797990Abstract: There is provided an echo display device that is easy to manipulate and allows echoes that appear on an echo screen to be designated easily, quickly, and reliably with a cursor. An information display device includes a display component 10, a track ball, and a controller. The display component 10 displays a radar image in real time based on echo information inputted from a radar antenna. The track ball is manipulated to move a cursor 5 displayed in the radar image. The controller includes a cursor display position determination component, and this cursor display position determination component determines the display position of the cursor 5 in the radar image based on manipulation of the track ball.Type: GrantFiled: September 8, 2015Date of Patent: October 24, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Yu Morita, Yugo Kubota, Hidetoshi Kaida
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Patent number: 9725151Abstract: The automatic steering device comprises a target rudder angle calculating unit, a target rudder angle storage unit, and a steering command unit. The target rudder angle calculating unit calculates a target rudder angle of a steering based on a heading and a target course. The target rudder angle storage unit stores a target rudder angle at a time of a previous steering command. The steering command unit outputs a steering command for instructing the steering to steer based on a newest target rudder angle calculated by the target rudder angle calculating unit and the target rudder angle at the time of the previous steering command stored by the target rudder angle storage unit.Type: GrantFiled: February 5, 2013Date of Patent: August 8, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Kentaro Hamamoto
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Patent number: 9714841Abstract: A satellite and/or dead-reckoning navigation integrated positioning device with improved accuracy including position, velocity, etc. is disclosed. A tracking processing module performs, based on a GPS signal, acquisition and tracking thereof and demodulation of a navigation message. A GPS calculation module calculates position, velocity, and the like based on pseudo-range and Doppler frequency observations, and ephemeris data and gives the calculations to output judgment and tracking processing modules. Based on external support information including inertial sensor output, map information or information about differences between map position and measured position, along with the pseudo-range and Doppler observations, an integrated positioning calculation module estimates position, velocity, and the like, and gives the estimates to the output judgment module.Type: GrantFiled: March 21, 2013Date of Patent: July 25, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Hiroyuki Toda, Masaki Suyama, Hiroshi Hamada, Mika Tanaka (Ninomiya), Kunihiko Hashimoto
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Patent number: 9682761Abstract: A remote steering system is provided. The remote steering system includes a steering device configured to control a traveling direction of a ship by at least adjusting an angle of a rudder, and a remote control device configured to remotely control the steering device. The remote control device includes an azimuth sensor configured to detect an oriented azimuth of the remote control device, and a controller communication unit configured to transmit, to the steering device, at least one of the oriented azimuth detected by the azimuth sensor and a change amount of the oriented azimuth. The steering device receives the at least one of the oriented azimuth and the change amount from the remote control device, and controls the traveling direction of the ship based on the at least one of the oriented azimuth and the change amount.Type: GrantFiled: October 21, 2015Date of Patent: June 20, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Masato Okuda
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Patent number: 9684062Abstract: A radar antenna device is provided for rotating an antenna unit which successively emits transmission signals. It is configured to reduce the capacity of an electric power source for supplying electric power to a transmission circuit, a drive unit and the like. A radar antenna device is comprised with an antenna unit and a control unit. The antenna unit is driven by a drive unit to rotate and emits successively transmission signals generated by a transmission circuit into an outer space. After electric power is supplied to the drive unit to be driven, the control unit controls the transmission circuit in response to the transmission start signal from the transmission start signal producer so that the electric power for the transmission will be supplied to the transmission circuit.Type: GrantFiled: October 14, 2014Date of Patent: June 20, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Yoshifumi Ohnishi, Suminori Ekuni, Motoji Kondo
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Patent number: 9616978Abstract: There is provided a navigation route generation device with which a host moving body can be navigated by offsetting it parallel to a line on the current travel direction of the host moving body by a simple operation, without changing the preset destination or bearing. A plotter that is part of an automatic steering system of a ship comprises a current route acquisition component, a parallel route generator, and a navigation route setting component. The current route acquisition component acquires the travel direction of the host ship. The parallel route generator generates a parallel route, which is a route that is parallel to the travel direction acquired by the current route acquisition component. The navigation route setting component sets the parallel route generated by the parallel route generator to the navigation route of the host ship.Type: GrantFiled: October 9, 2015Date of Patent: April 11, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Tatsuya Kojima
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Patent number: 9612318Abstract: A target object tracking device is provided. The device includes a memory for storing association information in which a selecting order of target objects is associated with symbols indicating the target objects, respectively, a starting selection accepting module for accepting a selection of the target objects to start tracking thereof, a symbol reading module for reading the symbols for the selected target objects corresponding to the selecting order of the target objects based on the association information, a tracking module for tracking the selected target objects, a symbol displaying module for displaying the symbols read by the symbol reading module, at positions where the target objects tracked by the tracking module are displayed, and a symbol changing module for changing, according to an operation of a user, the association information and displaying the symbols at the positions where the target objects are displayed, based on the changed association information.Type: GrantFiled: October 11, 2013Date of Patent: April 4, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Yugo Kubota
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Patent number: 9602658Abstract: A marine wireless device includes a calling unit, a response unit, a communication establishment unit, a call processor, a condition memory unit, and a recorded data processor. The calling unit sends call information requesting the start of communication. The response unit sends response information with respect to the call information sent by a communication partner. The communication establishment unit receives the response information from the communication partner and establishes communication with the communication partner. The call processor executes a voice call with the communication partner with whom the communication establishment unit has established communication. The call memory unit stores as recorded data a voice call executed by the call processor. The condition memory unit stores specific data processing conditions related to recorded data. The recorded data processor varies the processing related to recorded data according to the data processing conditions.Type: GrantFiled: November 12, 2013Date of Patent: March 21, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Takuto Hazama
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Patent number: 9551782Abstract: A radar apparatus is provided. The radar apparatus includes a transmitter configured to transmit radar signals via a radar antenna, a receiver configured to receive reflection waves that are echoes of the radar signals, via the radar antenna, a radar image generating module configured to generate a radar image based on the reflection waves received by the receiver, a performance monitor configured to measure performance of at least one of the transmitter and the receiver, and a controller configured to cause the performance monitor to perform the measurement while the transmission of the radar signals is suspended.Type: GrantFiled: May 27, 2014Date of Patent: January 24, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Katsuyuki Yanagi, Yoshifumi Ohnishi
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Patent number: 9535041Abstract: A sonic speed measurement device in which reliability is enhanced while the amount of calculation is minimized is provided. A propagation path postulation component postulates the sonic speed through bone, and calculates propagation paths up until ultrasonic waves transmitted from a wave transmitter are received by oscillators. A postulated propagation time calculator calculates the propagation time it takes for the ultrasonic waves transmitted from the wave transmitter to be received by the oscillators, based on the propagation paths. A Fourier transform component subjects I signals and Q signals of signals outputted by the oscillators to Fourier transform to generate Fourier transform data. A phase shifter shifts the phase of the Fourier transform data for the oscillators in a frequency region according to the propagation time. A sonic speed derivation component determines the validity of the postulated sonic speed based on the Fourier transform data shifted by the phase shifter.Type: GrantFiled: April 1, 2013Date of Patent: January 3, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Dorian Cretin
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Patent number: 9513369Abstract: It is an object of the present invention to provide a radar device and a velocity calculation method with which velocity can be calculated more accurately. A radar device 1 comprises a transmitter 23, a first velocity calculator 31a, a second velocity calculator 31b, a first velocity corrector 33a, and a second velocity corrector 33b. The transmitter 23 transmits pulse signals at two or more different pulse repetition frequencies. The first velocity calculator 31a calculates a first Doppler velocity based on a first received signal. The second velocity calculator 31b calculates a second Doppler velocity based on a second received signal. The first velocity corrector 33a calculates a first corrected Doppler velocity by folding correction of the first Doppler velocity. The second velocity corrector 33b calculates a second corrected Doppler velocity by folding correction of the second Doppler velocity.Type: GrantFiled: October 21, 2013Date of Patent: December 6, 2016Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Masahiro Minowa, Yasunobu Asada