Patents by Inventor Nobukazu Suzuki

Nobukazu Suzuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220014844
    Abstract: Provided is an acoustic reproduction device including: a first acoustic reproduction unit; and a second acoustic reproduction unit, in which the first acoustic reproduction unit includes: a housing having a cylindrical shape; and a vibration exciter that vibrates an end surface of one end of the housing, the second acoustic reproduction unit includes: a speaker unit; and a diffuser that changes a radiation direction of sound reproduced by the speaker unit, the housing, the speaker unit, and the diffuser are arranged so as to be substantially coaxial with a predetermined axis, and the diffuser causes a radiation direction of sound reproduced by the speaker unit and a radiation direction of sound from the first acoustic reproduction unit to be substantially a same.
    Type: Application
    Filed: November 6, 2019
    Publication date: January 13, 2022
    Inventor: NOBUKAZU SUZUKI
  • Publication number: 20210310878
    Abstract: A temperature detection circuit (1) includes a first transistor (Q1) of a bipolar type, and a second transistor (Q2) of a bipolar type, wherein the first transistor (Q1) and the second transistor (Q2) form a current mirror circuit (10), and the temperature of the amplifier circuit (30) is detected based on a temperature change of the first transistor (Q1) and the second transistor (Q2).
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Inventors: Nobukazu SUZUKI, Hideyo YAMASHIRO, Yasutaka SUGIMOTO, Takayuki KAWANO
  • Patent number: 11128956
    Abstract: An edge including an inner notch extending in a diaphragm-side region, and an outer notch extending in a frame-side region near the inner notch, in which the inner notch and the outer notch have a depression with a depth equal to or larger than a thickness, and an angle B formed by an extending direction of the outer notch with respect to a line radially extending from an edge center is larger than an angle A formed by an extending direction of the inner notch with respect to the line.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 21, 2021
    Assignee: SONY CORPORATION
    Inventors: Kohei Kikuchi, Nobukazu Suzuki
  • Patent number: 10993018
    Abstract: Generation of a secondary sound source is inhibited, and a sound quality is improved. Included are a support fixed to a mount base, a speaker unit including a portion to be fixed, and a base casing holding the speaker unit, and the speaker unit is fixed to the support and the base casing with the portion to be fixed being sandwiched between the support and the base casing. With this configuration, the speaker unit will be held stably, a great oscillation from a diaphragm of the speaker unit is less transmitted to the parts other than the diaphragm of the speaker unit, to the member holding the speaker unit, or the like. Generation of a secondary sound source is inhibited, and a sound quality can be improved.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: April 27, 2021
    Assignee: SONY CORPORATION
    Inventors: Kohei Kikuchi, Yohei Fukuma, Nobukazu Suzuki, Kazuhiro Matsutani, Yoshio Ohashi, Yasuo Kawabata
  • Publication number: 20210069652
    Abstract: A management device for a water treatment facility includes: a transmembrane pressure difference prediction unit configured to predict a general trend in a transmembrane pressure difference in a water treatment system based on an operation information, the operation information being related to the water treatment system including a membrane separation device installed therein; a chemical solution cleaning planning unit configured to devise such a chemical solution cleaning plan that chemical solution cleaning is performed before a period when a value of the transmembrane pressure difference predicted reaches a specified value; and a chemical solution order placement information generation unit configured to generate chemical solution order placement information based on the and the cleaning chemical solution stock information.
    Type: Application
    Filed: November 22, 2018
    Publication date: March 11, 2021
    Applicant: KUBOTA CORPORATION
    Inventors: Hiroyuki KOBAYASHI, Nobukazu SUZUKI, Kouji MIYAGAWA, Yasuhiro KANESHINA
  • Publication number: 20200145760
    Abstract: An edge including an inner notch extending in a diaphragm-side region, and an outer notch extending in a frame-side region near the inner notch, in which the inner notch and the outer notch have a depression with a depth equal to or larger than a thickness, and an angle B formed by an extending direction of the outer notch with respect to a line radially extending from an edge center is larger than an angle A formed by an extending direction of the inner notch with respect to the line.
    Type: Application
    Filed: June 14, 2018
    Publication date: May 7, 2020
    Inventors: KOHEI KIKUCHI, NOBUKAZU SUZUKI
  • Patent number: 10405100
    Abstract: A sound conversion efficiency and a sound quality is improved. Included are an oscillating element that is expanded and contracted in response to a drive signal, two oscillating bodies that are positioned on opposite sides across the oscillating elements, have end faces arranged respectively in contact with both ends of the oscillating element in an expanding and contracting direction, and are oscillated by expansion and contraction of the oscillating element, and an urging spring that urges the two oscillating bodies and press the end faces against both the ends, respectively. Thus, the oscillating element is expanded and contracted, and the oscillating bodies are oscillated with the end faces of the oscillating bodies urged by the urging spring being in contact with both the ends of the oscillating element in the expanding and contracting direction of the oscillating element.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: September 3, 2019
    Assignee: SONY CORPORATION
    Inventors: Yohei Fukuma, Kohei Kikuchi, Nobukazu Suzuki, Kazuhiro Matsutani, Yasuo Kawabata
  • Patent number: 10154336
    Abstract: To reduce the driving loss in the diaphragm, and to ensure a good sound output in the wide bandwidth. It includes a circular coil bobbin at least partly disposed between a yoke and a magnet, a coil wound around the coil bobbin, the coil being configured to be moved with the coil bobbin where a driving current is supplied to the coil, a piezoelectric element having one end coupled to one end of the coil bobbin in a movement direction, the piezoelectric element being configured to be expanded and contracted and moved in a direction same as the movement direction where an electric current is supplied to the piezoelectric element, and a diaphragm having an inner circumference part coupled to another end of the piezoelectric element, and a coupled part of the diaphragm to the piezoelectric element and a coupled part of the piezoelectric element to the coil bobbin are positioned on a straight line in the movement direction.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: December 11, 2018
    Assignee: SONY CORPORATION
    Inventors: Takahisa Tagami, Nobukazu Suzuki, Kaneaki Fujishita
  • Patent number: 9942640
    Abstract: A sound output apparatus includes a diaphragm having a predetermined plane positioned at a rear surface side of a light provision unit, and a vibrator for providing vibration in a direction substantially orthogonal to the predetermined plane.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: April 10, 2018
    Assignee: Sony Corporation
    Inventors: Nobukazu Suzuki, Yoshio Ohashi, Masahiro Takahashi
  • Publication number: 20170332166
    Abstract: Generation of a secondary sound source is inhibited, and a sound quality is improved. Included are a support fixed to a mount base, a speaker unit including a portion to be fixed, and a base casing holding the speaker unit, and the speaker unit is fixed to the support and the base casing with the portion to be fixed being sandwiched between the support and the base casing. With this configuration, the speaker unit will be held stably, a great oscillation from a diaphragm of the speaker unit is less transmitted to the parts other than the diaphragm of the speaker unit, to the member holding the speaker unit, or the like. Generation of a secondary sound source is inhibited, and a sound quality can be improved.
    Type: Application
    Filed: November 9, 2015
    Publication date: November 16, 2017
    Inventors: KOHEI KIKUCHI, YOHEI FUKUMA, NOBUKAZU SUZUKI, KAZUHIRO MATSUTANI, YOSHIO OHASHI, YASUO KAWABATA
  • Publication number: 20170325031
    Abstract: A sound conversion efficiency is improved, and a sound quality is improved. Included are an oscillating element that is expanded and contracted in response to a drive signal, two oscillating bodies that are positioned on opposite sides across the oscillating elements, have end faces arranged respectively in contact with both ends of the oscillating element in an expanding and contracting direction, and are oscillated by expansion and contraction of the oscillating element, and an urging spring that urges the two oscillating bodies and press the end faces against both the ends, respectively. Thus, the oscillating element is expanded and contracted, and the oscillating bodies are oscillated with the end faces of the oscillating bodies urged by the urging spring being in contact with both the ends of the oscillating element in the expanding and contracting direction of the oscillating element. As a result, the sound conversion efficiency can be improved, and the sound quality can be improved.
    Type: Application
    Filed: November 9, 2015
    Publication date: November 9, 2017
    Inventors: YOHEI FUKUMA, KOHEI KIKUCHI, NOBUKAZU SUZUKI, KAZUHIRO MATSUTANI, YASUO KAWABATA
  • Publication number: 20170295423
    Abstract: To reduce the driving loss in the diaphragm, and to ensure a good sound output in the wide bandwidth. It includes a circular coil bobbin at least partly disposed between a yoke and a magnet, a coil wound around the coil bobbin, the coil being configured to be moved with the coil bobbin where a driving current is supplied to the coil, a piezoelectric element having one end coupled to one end of the coil bobbin in a movement direction, the piezoelectric element being configured to be expanded and contracted and moved in a direction same as the movement direction where an electric current is supplied to the piezoelectric element, and a diaphragm having an inner circumference part coupled to another end of the piezoelectric element, and a coupled part of the diaphragm to the piezoelectric element and a coupled part of the piezoelectric element to the coil bobbin are positioned on a straight line in the movement direction.
    Type: Application
    Filed: October 19, 2015
    Publication date: October 12, 2017
    Inventors: TAKAHISA TAGAMI, NOBUKAZU SUZUKI, KANEAKI FUJISHITA
  • Publication number: 20160105740
    Abstract: A sound output apparatus includes a diaphragm having a predetermined plane positioned at a rear surface side of a light provision unit, and a vibrator for providing vibration in a direction substantially orthogonal to the predetermined plane.
    Type: Application
    Filed: March 27, 2014
    Publication date: April 14, 2016
    Inventors: Nobukazu SUZUKI, Yoshio OHASHI, Masahiro TAKAHASHI
  • Patent number: 9173030
    Abstract: A speaker system includes: a display panel having a display screen; a structure having a plate part functioning as an acoustic diaphragm located outside of a perimeter of the display screen and being supported by the display panel; and an actuator attached to the structure so that a displacement direction of the actuator may be a direction of a plate surface of the plate part.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: October 27, 2015
    Assignee: Sony Corporation
    Inventors: Nobukazu Suzuki, Yoshio Ohashi, Akihisa Inatani, Yasuo Osada, Terutaka Yana, Yutaka Miki
  • Patent number: 9060226
    Abstract: A speaker has an acoustic diaphragm, and an actuator that is driven based on a first acoustic signal. The actuator has a transmission portion that is directly or indirectly attached to the acoustic diaphragm and transmits a displacement output of the actuator to the acoustic diaphragm. The speaker also has a sounding body that is driven based on a second acoustic signal that is identical to or different from the first acoustic signal.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: June 16, 2015
    Inventors: Nobukazu Suzuki, Masaru Uryu, Yoshio Ohashi
  • Patent number: 8995702
    Abstract: A speaker apparatus includes: a diaphragm vibrating to output sounds and being formed in an annular shape having a center hole in the middle thereof; a driving section causing the diaphragm to vibrate; a light emitting member emitting light; and a heat controlling member radiating heat generated when the light emitting member emits light or conducting the heat to a heat radiating section, wherein at least a part of the heat controlling member is provided on an axis including the center axis of the diaphragm, and the light emitting member is disposed on an end face of the heat controlling member.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: March 31, 2015
    Assignee: Sony Corporation
    Inventors: Nobukazu Suzuki, Yoshio Ohashi, Teppei Yokota
  • Patent number: 8810865
    Abstract: A method for image processing in which an area of a platen on which a document is placed is read and the platen image is processed includes extracting an object included in the platen image, detecting an area of the object and inclination of the area of the object with respect to the platen image, determining the minimum rectangular area which includes the area of the object, and is surrounded with four sides parallel to four sides of the platen image respectively, comparing an extent to which a pixel group constituting an edge of each area includes pixels constituting an edge of the platen image between the area of the object and the minimum rectangular area, and determining a minimum rectangular area as the area of the document if a pixel group includes a larger number of pixels based on the comparing or if the inclination is small.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: August 19, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Nobukazu Suzuki
  • Patent number: 8792657
    Abstract: A speaker device includes: an acoustic diaphragm; a vibration transfer member provided in a state of touching the acoustic diaphragm over a given length, which is configured to transfer vibration to the acoustic diaphragm; and an actuator configured to add vibration corresponding to an audio signal to be reproduced to the vibration transfer member to thereby transfer vibration to the acoustic diaphragm through the vibration transfer member and to generate sound.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: July 29, 2014
    Assignee: Sony Corporation
    Inventors: Nobukazu Suzuki, Yoshio Ohashi
  • Patent number: 8750555
    Abstract: A speaker apparatus includes: an actuator serving as a source of vibration; a vibration transmitting member connected to the actuator; and two sheet-like diaphragms provided opposite to each other in the thickness direction thereof with the vibration transmitting member and disposed in contact with the vibration transmitting member, wherein vibration generated at the actuator is transmitted to each of the two diaphragms through the vibration transmitting member to output sounds.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: June 10, 2014
    Assignee: Sony Corporation
    Inventors: Nobukazu Suzuki, Yoshio Ohashi
  • Patent number: D823833
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: July 24, 2018
    Assignee: SONY CORPORATION
    Inventors: Daisuke Shiono, Yohei Fukuma, Nobukazu Suzuki