Patents Assigned to Honda Electronic Co., Ltd.
  • Patent number: 11841427
    Abstract: The objective of this invention is to provide an ultrasonic-wave transmitter/receiver fish-finder that stabilizes its balanced state while in water to transmit ultrasonic waves vertically downward, thus improving detection accuracy. The ultrasonic-wave transmitter/receiver 10 includes an ultrasonic transducer 21 that transmits and receives ultrasonic waves; a hanging-bell shaped case 50 that houses the ultrasonic transducer 21; and a cable 40 that suspends the case 50. A weight 81 is arranged above the ultrasonic transducer 21 provided at the bottom 54 of the case 50. In addition, the filler A1 is filled into the case 50 such that a cavity A2 is secured in the upper region of the case 50.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: December 12, 2023
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Kenji Nagareda, Shuichi Sano
  • Patent number: 11703581
    Abstract: The object of this invention is to provide an ultrasonic transducer for a measuring device capable of widening a frequency band suitable for transmitting and receiving ultrasonic waves while reducing the manufacturing cost. The ultrasonic transducer for a measuring device includes a substantially disc-shaped base material that serves too as an acoustic-matching layer and substantially disc-shaped piezoelectric element that is joined to the base material. The piezoelectric element is formed with grooves extending in the planar direction so that they do not cross one another, and the plurality of strip-shaped vibration units are arranged through the grooves. The length of the vibration unit becomes shorter as the distance from the center of the piezoelectric element increases. Then, the piezoelectric element vibrates in the thickness direction in the first-frequency band and vibrates in the radial direction in the second-frequency band, which is lower than the first-frequency band.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: July 18, 2023
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Kenji Nagareda, Shigeo Yamamoto
  • Patent number: 11635515
    Abstract: The flasher-type multi-frequency fish finder includes a wideband ultrasonic transducer, a display-rotating disk, a motor and a control device. The plurality of display LEDs are composed of the first, second and third display LEDs. The control device has a signal-separating and obtaining part and a light-emission signal-producing part. The signal-separating and obtaining part separates the reflected signal and obtains the first reflected signal corresponding to the high frequency, the second reflected signal corresponding to the medium frequency, and the third reflected signal corresponding to the low frequency. The light-emission signal-producing part generates first, second and third light-emission signals based on the first, second and third reflection signals, respectively. The first, second and third annular-display regions are concentrically set on the display surface.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 25, 2023
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Kenji Nagareda, Shuichi Sano, Kazuki Higuchi
  • Patent number: 11580638
    Abstract: This invention provides a signal-processing method that makes it possible to acquire, relatively easily and surely, a highly reliable normalized impulse-response signal without relying on the signal-correction processing after normalization. The signal-processing method of this invention includes a low-frequency extraction step, a high-frequency extraction step and a synthesizing step. In the low-frequency extraction step, only the low-frequency component is extracted from the spectrum of the first normalized signal NS1 obtained by normalizing the target signal Stgt in the time domain. In the high-frequency extraction step, only the high-frequency component is extracted from the spectrum of the second normalized signal NS2 obtained by normalizing the target signal Stgt in the frequency domain using the reference signal Sref.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: February 14, 2023
    Assignees: HONDA ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY
    Inventors: Kazuto Kobayashi, Naohiro Hozumi
  • Patent number: 11284863
    Abstract: A surface property measurement technology by which a surface property of a substance can be evaluated with high accuracy, is provided. A surface property measurement method includes radiating an ultrasonic wave to a measurement target and acquiring a reflected signal from the measurement target; calculating, by a measurement apparatus, a maximum value of a cross-correlation function between the reflected signal from the measurement target and a reference reflected signal from a reference substance acquired in advance; calculating a reflection component at an interface, by using the maximum value of the cross-correlation function; and outputting, as a measurement value, one of an acoustic impedance of the measurement target or an acoustic impedance of the reference substance, according to a result of comparing the reflection component with the reference reflected signal.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: March 29, 2022
    Assignees: SHISEIDO COMPANY, LTD., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY, HONDA ELECTRONICS CO., LTD.
    Inventors: Yuki Ogura, Naohiro Hozumi, Sachiko Yoshida, Kazuto Kobayashi, Yusuke Hara
  • Patent number: 11224401
    Abstract: An ultrasonic measurement method includes irradiating an object to be measured with an ultrasonic wave, acquiring a reflection wave from the object, calculating at a processor an acoustic impedance in a depth direction of the object from the reflection wave, and estimating and outputting a thickness of the object based upon an inflection point determined by second-order differentiation of the acoustic impedance.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: January 18, 2022
    Assignees: SHISEIDO COMPANY, LTD., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY, HONDA ELECTRONICS CO., LTD.
    Inventors: Yuki Ogura, Naohiro Hozumi, Sachiko Yoshida, Kazuto Kobayashi, Yusuke Hara
  • Patent number: 11199626
    Abstract: A fishfinder has: a transducer capable of transmitting an ultrasonic wave underwater and receiving a reflected wave of the ultrasonic wave; a display part that time-sequentially arranges a detection image based on a reception signal, caused by receiving the reflected wave with the transducer; a first depth calculation part that calculates a first depth as a depth of the bottom; a recognition part that performs recognition on an object as a fish school; a second depth calculation part that calculates a second depth as a depth of a position of the object; a distance calculation part that calculates a distance from the bottom to the position of the object; and a distance display part that displays the distance calculated with the distance calculation part, in correspondence with the position of the object in the detection image displayed on the display part, on the display part.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: December 14, 2021
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Shuji Iida, Hiroshi Suzuki
  • Patent number: 11191523
    Abstract: An ultrasonic-image-construction apparatus can construct an ultrasonic-tomographic image of a thin, layer-structured target object to be measured relatively easily and highly accurately in a manner in which such layered structure is easily understood. An ultrasonic transducer of an ultrasonic-image-constructing apparatus transmits ultrasonic waves to the target object. A reference substance makes contact with a base substrate, with such ultrasonic waves being incident on the target object via the base substrate, then receives an impulse response of an ultrasonic waveform. A computing means performs calculation to estimate acoustic-physical-property distribution in consideration of the multiple-reflections influence based on normalized-impulse information obtained from impulse-response information of such ultrasonic waveform incident on the reference substance and from impulse-response information of such ultrasonic waveform incident on the target object.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: December 7, 2021
    Assignees: HONDA ELECTRONICS CO., LTD., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY, SHISEIDO COMPANY, LTD.
    Inventors: Yuki Ogura, Naohiro Hozumi, Sachiko Yoshida, Kazuto Kobayashi
  • Patent number: 10953440
    Abstract: A sound-pressure analyzer in a high-intensity acoustic field that can accurately presume the cavitation-threshold and cavitation-amount being generated comprises: a hydrophone for transferring a voltage-signal corresponding to said sound-pressure in said acoustic field; a frequency-analyzer; and an arithmetic device. The frequency-analyzer analyzes the frequency-component in such an acoustic field based on the voltage-signal being transferred from the hydrophone and then sorts such signal into a basic-frequency component, a harmonic component, a sub-harmonic component and a white-noise component.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: March 23, 2021
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Nagaya Okada, Yoshiyuki Asakura
  • Patent number: 10816662
    Abstract: A flasher type fish finder has: a motor with a rotary shaft having play in an axial direction; a display rotating disk fixed to the rotary shaft; a first installation part; and a second installation part fixed to a member not influenced by the play. In the first installation part, a magnet or a ferromagnetic material is on the rotary shaft or the display rotating disk such that the center of gravity is at the rotary shaft center. In the second installation part, a magnet or a ferromagnetic material is provided occurring an attraction force or a repulsive force in the axial direction, for the magnet or the ferromagnetic material of the first installation part. The magnet is in at least one of the first installation part and the second installation part. The surfaces of a first magnetic pole and a second magnetic pole are orthogonal to the rotary shaft.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 27, 2020
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventor: Hiroaki Kokubo
  • Publication number: 20200018850
    Abstract: A flasher type fish finder has: a motor with a rotary shaft having play in an axial direction; a display rotating disk fixed to the rotary shaft; a first installation part; and a second installation part fixed to a member not influenced by the play. In the first installation part, a magnet or a ferromagnetic material is on the rotary shaft or the display rotating disk such that the center of gravity is at the rotary shaft center. In the second installation part, a magnet or a ferromagnetic material is provided occurring an attraction force or a repulsive force in the axial direction, for the magnet or the ferromagnetic material of the first installation part. The magnet is in at least one of the first installation part and the second installation part. The surfaces of a first magnetic pole and a second magnetic pole are orthogonal to the rotary shaft.
    Type: Application
    Filed: July 13, 2018
    Publication date: January 16, 2020
    Applicant: HONDA ELECTRONICS CO., LTD.
    Inventor: Hiroaki Kokubo
  • Patent number: 10401204
    Abstract: An electromechanical transformation device for an ultrasonic flow meter comprises an alkaline niobate piezoelectric ceramic composition and a rigid body adhered onto the major surface of the ceramic composition. The ceramic composition is made of crystal structures such as orthorhombic crystals formed at the side where the temperature is lower than the orthorhombic-to-tetragonal phase transition temperature, tetragonal crystals formed at the side where temperature is higher that the orthorhombic-to-tetragonal phase transition temperature as well as at the side where the temperature is lower than the tetragonal-to-cubic phase transition temperature, and the cubic crystals formed at the side where the temperature is higher than the tetragonal-to-cubic phase temperature. Young's modulus of the rigid is 60 GPa or more. The volume percent of the ceramic composition existing within a range where the distance from the adhesion point of the piezoelectric ceramic composition and the rigid body is 40% or more.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: September 3, 2019
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Kenji Nagareda, Yuki Murai, Atsuhiro Hayashi, Yuichi Maida
  • Publication number: 20190059857
    Abstract: A surface property measurement technology by which a surface property of a substance can be evaluated with high accuracy, is provided. A surface property measurement method includes radiating an ultrasonic wave to a measurement target and acquiring a reflected signal from the measurement target; calculating, by a measurement apparatus, a maximum value of a cross-correlation function between the reflected signal from the measurement target and a reference reflected signal from a reference substance acquired in advance; calculating a reflection component at an interface, by using the maximum value of the cross-correlation function; and outputting, as a measurement value, one of an acoustic impedance of the measurement target or an acoustic impedance of the reference substance, according to a result of comparing the reflection component with the reference reflected signal.
    Type: Application
    Filed: September 13, 2016
    Publication date: February 28, 2019
    Applicants: SHISEIDO COMPANY, LTD., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGY, HONDA ELECTRONICS CO., LTD.
    Inventors: Yuki OGURA, Naohiro HOZUMI, Sachiko YOSHIDA, Kazuto KOBAYASHI, Yusuke HARA
  • Patent number: 10107659
    Abstract: A sensor-clamp device for clamping a pipe of different outer-diameters promptly without having to do a time-consuming sensor-position adjustment includes a pair of ultrasonic-sensors incorporating an ultrasonic-transducer for sending and receiving ultrasonic-waves ‘So’ and further includes a supporting-plate on which is provided a sliding-mechanism. The pair of ultrasonic-sensors clamps the outer-wall of the pipe in which flows a fluid W1. Of the supporting-plate, the pair of ultrasonic-sensors used in irradiating the ultrasonic-waves ‘So’ obliquely to the pipe are offset in the axial-line direction of the pipe and firmly placed face to face. The sliding-mechanism slides one of the pair of ultrasonic-sensors obliquely with respect to the axial-line direction of the pipe, thus making the sliding-mechanism to clamp the pipe of various outer-diameters.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: October 23, 2018
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventors: Kenji Nagareda, Yuki Murai, Kiyoshi Natsume, Yuichi Maida
  • Publication number: 20180088233
    Abstract: A fishfinder in which signal transmission is conducted between a reception antenna formed on a display rotation plate and a transmission antenna formed on a connection plate, both the reception antenna and the transmission antenna being opposed each other, and electric power transmission is conducted between a pair of inductive coupling coils, one being formed on the display rotation plate and the other being formed on the connection plate so as to oppose each other.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 29, 2018
    Applicant: HONDA ELECTRONICS CO., LTD.
    Inventor: Shuichi SANO
  • Patent number: 9915529
    Abstract: Disclosed is a tidal current meter that measures the velocity of a tidal current. The tidal current meter includes an oscillator, a calculation section, a depression angle setup section, and a drive section. The oscillator is capable of transmitting an ultrasonic wave into water and receiving the reflection of the transmitted ultrasonic wave. The calculation section calculates the velocity in accordance with the Doppler shift frequency of the reflection received by the oscillator. The depression angle setup section sets a depression angle, that is, the angle formed by the transmission direction of the ultrasonic wave and a horizontal plane. The drive section drives the oscillator in such a manner as to transmit the ultrasonic wave and receive the reflection of the transmitted ultrasonic wave at the depression angle set by the depression angle setup section.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: March 13, 2018
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventor: Kazuki Higuchi
  • Patent number: 9700394
    Abstract: Provided is a dental ultrasonic cleaning device that efficiently cleans teeth or dentures in an oral cavity using ultrasonic waves. A dental ultrasonic cleaning device 1 emits ultrasonic waves through a cleaning-liquid (W1) to the surface of a cleaning-target 26, ultrasonically cleaning it. An ultrasonic horn 24 propagates ultrasonic waves being generated by an ultrasonic-wave transducer 23 and emits them from the vibratory surface 25 provided at the tip-end of the horn 24. A liquid-reserving part 27 is provided, surrounding the vibratory surface 25 of the ultrasonic horn 24, which temporarily reserves the cleaning-liquid (W1) between the vibratory surface 25 and the cleaning-target 26. A cap-member 33 is provided at a certain interval opposite the liquid-reserving part 27.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: July 11, 2017
    Assignees: SHOWA UNIVERSITY, HONDA ELECTRONICS CO., LTD., GC CORPORATION
    Inventors: Matsuo Yamamoto, Takashi Takiguchi, Masanori Sato, Katsuyuki Inagaki, Kazumasa Kubota, Hideo Kozaka, Toshiaki Miyamoto
  • Patent number: 9579174
    Abstract: This invention is achieved to provide a water-flow ultrasonic oral-cavity cleaning device. In the water-flow ultrasonic oral-cavity cleaning device (1), cleaning liquid (W1) from a cleaning-liquid supplying device (2) is supplied into a transducer case (21) through a supply port (26). Ultrasonic waves (S1) are propagated into the cleaning liquid W1 from an ultrasonic transducer (22) mounted in a transducer mounting part (23) inside the transducer case (21). The water-flow of the cleaning liquid (W1) is collected at the apical-part inside the transducer case (21), and then emitted from the issue (27) into the oral cavity, wherein power supply of 100W or less is supplied to the ultrasonic transducer (22) of 50 mm or less in diameter to propagate the ultrasonic waves (S1) of 100 kHz or more to 3 MHz or less in frequency into the cleaning liquid (W1).
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: February 28, 2017
    Assignees: SHOWA UNIVERSITY, HONDA ELECTRONICS CO., LTD., GC CORPORATION
    Inventors: Matsuo Yamamoto, Takashi Takiguchi, Masanori Sato, Kengo Uemura, Tomomi Hikida, Katsuyuki Inagaki, Hideo Kozaka, Toshiaki Miyamoto
  • Publication number: 20160274236
    Abstract: A fishfinder has: a transducer capable of transmitting an ultrasonic wave underwater and receiving a reflected wave of the ultrasonic wave; a display part that time-sequentially arranges a detection image based on a reception signal, caused by receiving the reflected wave with the transducer; a first depth calculation part that calculates a first depth as a depth of the bottom; a recognition part that performs recognition on an object as a fish school; a second depth calculation part that calculates a second depth as a depth of a position of the object; a distance calculation part that calculates a distance from the bottom to the position of the object; and a distance display part that displays the distance calculated with the distance calculation part, in correspondence with the position of the object in the detection image displayed on the display part, on the display part.
    Type: Application
    Filed: March 14, 2016
    Publication date: September 22, 2016
    Applicant: HONDA ELECTRONICS CO., LTD.
    Inventors: Shuji Iida, Hiroshi Suzuki
  • Patent number: D959303
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: August 2, 2022
    Assignee: HONDA ELECTRONICS CO., LTD.
    Inventor: Kenji Nagareda