| FURUNO ELECTRIC CO., LTD. Patent applications |
| Patent application number | Title | Published |
| 20120007642 | REFERENCE FREQUENCY GENERATING DEVICE - The disclosed is a reference frequency generating device ( | 01-12-2012 |
| 20110309978 | GNSS RECEIVER - To realize a GNSS receiver that can perform further optimal correlation processing on a positioning signal phase-modulated by a CBOC signal. A correlation processing module | 12-22-2011 |
| 20110106450 | SATELLITE NAVIGATION/DEAD-RECKONING NAVIGATION INTEGRATED POSITIONING DEVICE - Disclosed is a satellite navigation/dead-reckoning navigation integrated positioning device with improved accuracy of navigation data including position, velocity, and the like, which can be constituted at low cost. A tracking processing module ( | 05-05-2011 |
| 20110082644 | MOVING BODY DISPLAY DEVICE - This disclosure provides a moving body display device, which includes a position calculating module for acquiring a positioning signal of a target moving body and calculating a position of the moving body, a behavior calculating module for calculating a positional change of the moving body based on the positioning signal, and a position storage module for storing a position where the positional change is detected when the positional change that satisfies a determination condition set is detected. | 04-07-2011 |
| 20110063163 | IMAGE PROCESSING DEVICE, RADAR APPARATUS EQUIPPED WITH THE SAME, METHOD OF PROCESSING IMAGE, AND IMAGE PROCESSING PROGRAM - This disclosure provides an image processing device, which includes a relative trail image memory for storing a relative trail data group indicating relative changes in position of a target object detected by echo signals obtained corresponding to detection signals transmitted while changing a transmitting azimuth direction, with respect to a transmitting position from which the detection signals are transmitted, and an approaching target object determination processing module for determining whether the target object detected with the detection signals is an approaching target object that approaches the transmitting position based on relative trail data existing on the same sweep line among the relative trail data group stored in the relative trail image memory. | 03-17-2011 |
| 20110063162 | IMAGE PROCESSING DEVICE, RADAR APPARATUS EQUIPPED WITH THE SAME, METHOD OF PROCESSING IMAGE, AND IMAGE PROCESSING PROGRAM - This disclosure provides an image processing device, which includes an actual trail image memory for storing an actual trail data group indicating absolute changes in position of a target object detected by echo signals obtained corresponding to detection signals transmitted while changing an azimuth direction of the transmission, and a moving target object determination processing module for determining whether the target object detected with the detection signals is a moving target object based on the actual trail data group. | 03-17-2011 |
| 20110054313 | ULTRASONIC BONE ANALYZING DEVICE - This disclosure provides an ultrasonic bone analyzing device, which includes a transmission module for transmitting an ultrasonic signal into the inside of a living body from an outer skin of the living body, a reception module for receiving an echo signal that is a reflection wave of the transmitted ultrasonic signal from the inside of the living body, and an analyzing module for generating analysis data indicative of a state of a cartilage using an amplitude value of an echo signal from the inside of the cartilage obtained from between a cartilage surface and a subchondral bone among the received echo signals. | 03-03-2011 |
| 20110032801 | UNDERWATER DETECTION DEVICE - This disclosure provides a detection device, which includes a transceiving module for periodically transmitting a detection pulse signal toward a space and receiving a reflection wave from a target object as a reception signal, a signal loading module for generating a distance section row by dividing a given detection distance range into a plurality of distance sections, obtaining reception data by sequentially sampling the reception signal for every distance section, and storing the reception signal in a memory, and an interference processing module for sequentially performing interference removal processing for the reception data of each of the distance sections stored in the memory. The interference processing module includes an interference wave determination module for determining for every distance section whether the reception data of the distance section row including a target distance section is resulting from an interference wave, a signal generating module, if the reception data is determined to be resulting from the interference wave for generating data to be displayed based on one or more reception data other than the reception data in proximity to the reception data at least either in a distance direction or a transmission cycle direction, and if the reception data is determined to be resulting from the reflection wave, for using the reception data as the data to be displayed, and a display module for displaying the data to be displayed. | 02-10-2011 |
| 20100322208 | SYNCHRONIZATION DEVICE AND SYNCHRONIZATION METHOD - There is provided a synchronization device capable of, even when transmission timings of a plurality of other ships are different, almost reliably synchronizing with the other ships during a transmission of a ship concerned and is also provided a synchronization method. The synchronization device | 12-23-2010 |
| 20100309753 | FISH FINDER - This disclosure provides a fish finder, which includes a transmission module and a reception module, for outputting an ultrasonic wave underwater, receiving an echo, and outputting a reception signal corresponding to an intensity of the received echo, a control module for generating echo data corresponding to a depth based on the reception signal, a display module for displaying the echo data, and a user interface for receiving a user's operation. The control module causes the display module to display the echo data so that the echo data is displayed in two or more display screens. At least one display screen displays an area having a color different from a background color. A part of the echo data at a depth range corresponding to a height of the area is displayed in the other display screen so as to expand the echo data in a depth direction. The user interface specifies a position and a size of the area via the user's operation. | 12-09-2010 |
| 20100296610 | DEMODULATION DEVICE - Provided is a demodulation device that can reliably perform demodulation even in a communication environment where a modulation index changes. Upon reception of communication signals of different modulation indexes from other ships, a demodulation device ( | 11-25-2010 |
| 20100284248 | METHOD OF DISPLAYING UNDERWATER DETECTION IMAGE AND UNDERWATER DETECTION DEVICE - A method and device for displaying an underwater detection image is provided, in which an ultrasonic signal having a predetermined beam width is periodically transmitted underwater, receives a signal reflected on a detection target object which moves underwater, generates information on the detection target object based on the received signal, and displays the information on a display module. The method includes periodically detecting the detection target object and a position thereof based on the received signal, coupling the same detection target objects by associating the same based on the detection target object and the position periodically detected, and associating a displacement symbol corresponding to a change in a position of the detection target object with the coupled detection target object, and displaying the displacement symbol at the detected position of the detection target object at least on a two-dimensional position coordinates displayed in the display module. | 11-11-2010 |
| 20100265149 | CONTROL SYSTEM AND METHOD FOR REDUCING DIRECTIONAL ERROR OF ANTENNA WITH BIAXIAL GIMBAL STRUCTURE - An antenna pointing control apparatus and method that reduce a pointing error of an antenna having a two-axis gimbal structure. An antenna installed on a ship hull is controlled to point toward a satellite by an antenna pointing control apparatus having a two-axis mechanism. Movement of the ship hull are recognized every prescribed cycle time, a satellite bearing is measured, and a pointing error of a directional antenna with respect to a satellite is detected. If it is determined that the satellite will not pass within a prescribed region A about an extension line of an azimuth angle (AZ) axis of the ship's hull, then a two-axis control is executed. However, if the satellite will pass within the prescribed region A, then a virtual three-axis control is executed. | 10-21-2010 |
| 20100257935 | METHOD AND APPARATUS FOR MEASURING SPEED-OF-SOUND - A speed-of-sound measurement apparatus includes a wave transmission module for transmitting an ultrasonic wave to a front surface of a subject's body, a plurality of wave reception modules which each receives the ultrasonic wave from the subject's body and outputs a waveform signal corresponding to the received ultrasonic wave, a presumed propagation time calculating module for calculating a propagation time from when the ultrasonic wave is transmitted by the wave transmission module to when the ultrasonic wave arrives at each of the wave reception modules after propagating along the front surface of the subject's body or inside the subject's body, based on a presumed value of speed-of-sound in the subject's body and a front surface shape of the subject's body, a validity index value calculating module for finding a validity index value to be an index of validity of the propagation time based on the waveform signals outputted by at least two of the plurality of wave reception modules, and a speed-of-sound deriving module for finding the speed-of-sound in the subject's body based on the validity index value. | 10-14-2010 |
| 20100018313 | METHOD AND DEVICE OF DETECTING SHAPE AND BONE STRENGTH DIAGNOSTIC DEVICE USING THE DEVICE - The disclosed device includes a module for transmitting an ultrasonic wave from a transducer to an object, another module for receiving with transducers surface waves that are a reflection of the ultrasonic wave on the object surface, another module for detecting an incoming direction of the reflected wave to each transducer group using a time difference between reception timings of two reception transducers constituting each group, each group having two transducers adjacent to each other, another module for detecting a propagation time of the surface wave reached each group using a received wave signal of the surface wave of at least one of the reception transducers, another module for detecting a reflection point of the ultrasonic wave on the object surface based on the incoming direction and the propagation time of the surface wave detected for each group, and another module for deriving a shape of the object surface using the reflection points for the transducer groups. | 01-28-2010 |
| 20100005419 | Information display apparatus - An information display apparatus comprises a plurality of sensing devices, a signal processing block, an information display block, a menu storage block, a rotary control like a rotary encoder and a menu display block. The information display apparatus presents selectable menu items relating to images displayed on-screen together with information on hierarchical level of the menu items so that a user can easily recognize the hierarchical level of the currently presented menu items. The rotary control permits the user to select a desired one of the presented menu items by simple operation. | 01-07-2010 |
| 20090103595 | Device and method for transmitting/receiving pulse signal - A pulse signal transmitting/receiving device is provided. The device includes a signal generating module for generating a transmitting signal including an amplitude-modulated chirp signal, and a reference signal including a chirp signal having a frequency that changes similarly to that of the transmitting signal, a transmitting module for transmitting a pulse having approximately the same waveform as that of the transmitting signal, a receiving module for receiving an echo signal that is the transmitting pulse reflected from a detection target object, a compensating module for extending a dynamic range of the echo signal received by the receiving module, and a pulse compressing module for outputting a pulse-compressed echo signal, wherein the pulse compression is performed by a correlation calculation between the echo signal having the dynamic range extended by the compensating module, and the reference signal. | 04-23-2009 |
| 20090099764 | NETWORK SYSTEM FOR VESSEL INSTRUMENTS - A network system where vessel instruments including sensors are connected through a communication network is provided. The sensors generate the same type of navigation data. The system includes a first network for realizing one-to-many communication, a first group instruments connected with each other through the first network, and a second group instruments connected to the first network with a different protocol from the first network. The first group instrument is an input/output gate between the second group instruments and the first network. At least one of the first group instruments has a server function. The first group instruments obtain identification information and types of navigation data of the second group instruments using the first group instruments as the gates, and the server-function instrument obtains identification information and types of navigation data of the instruments. The server function instrument selects one of the sensors generating the same type of navigation data, and outputs a sharing instruction of the data of the selected sensor, through the first network. The first group instrument provides the sharing instruction to the second group instruments using the first group instrument as the gate. | 04-16-2009 |
| 20090058571 | Connector and waveguide assembly - A waveguide connector is provided. The connector includes a connecting portion having a plurality of conductive convex portions that are deformable by an external force. The convex portions are formed with a height and an interval less than ¼ wavelength of a propagating electrical wave to be propagated inside waveguides. | 03-05-2009 |
| 20090028175 | TDMA Communication Apparatus - A TDMA communication apparatus is configured for transmitting DSC response signals while preventing overlapping with AIS. A CPU | 01-29-2009 |
| 20080239870 | Underwater Detection Device - In an under water detection for detecting the phase difference of an echo by two reception beams according to a split beam method, the difference Δθ between the phase difference of an echo detected by first and second reception beams formed in some direction and the phase difference of the echo detected by first and second reception beams which is formed in a direction rotated from the former direction concerned by a predetermined angle is detected by a phase detector. A reliability judging unit judges whether the difference Δθ detected by the phase detector is within a predetermined range or not. If the difference Δθ is within the predetermined range, an echo is displayed on a display unit. If the difference Δθ is not within the predetermined range, the echo is displayed with a specific color tone or the echo is not displayed. | 10-02-2008 |