Patents by Inventor Shobu Sato

Shobu Sato 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).

  • Patent number: 10484798
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane, provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane, provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: November 19, 2019
    Assignees: STMICROELECTRONICS S.R.L., OMRON CORPORATION
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Sebastiano Conti, Igino Padovani, Filippo David
  • Patent number: 10405107
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: September 3, 2019
    Assignees: STMicroelectronics S.R.L., Omron Corporation
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti
  • Patent number: 10257617
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: April 9, 2019
    Assignees: STMicroelectronics S.R.L., Omron Corporation
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti
  • Publication number: 20180295454
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane, provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane, provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Application
    Filed: February 23, 2018
    Publication date: October 11, 2018
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Sebastiano Conti, Igino Padovani, Filippo David
  • Publication number: 20180176693
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Application
    Filed: November 15, 2017
    Publication date: June 21, 2018
    Inventors: Takashi KASAI, Shobu SATO, Yuki UCHIDA, Igino PADOVANI, Filippo DAVID, Sebastiano CONTI
  • Patent number: 9936305
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane, provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane, provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 3, 2018
    Assignees: STMICROELECTRONICS S.R.L., OMRON CORPORATION
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Sebastiano Conti
  • Patent number: 9843868
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: December 12, 2017
    Assignees: STMICROELECTRONICS S.R.L., Omron Corporation
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti
  • Patent number: 9380380
    Abstract: The present disclosure is directed to an acoustic transducer configured to detect a sound wave according to changes in capacitances between a vibrating electrode and a fixed electrode. At least one of the vibrating electrode and the fixed electrode being divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting electrical signals. The disclosure includes a digital interface circuit coupled to the divided electrodes. The circuit includes a recombination stage, which supplies a mixed signal by combining the first digital processed signal and the second digital processed signal with a respective weight that is a function of a first level value of the first processed signal. An output stage is included, which supplies, selectively and alternatively, a first processed signal, a second processed signal, or a mixed signal.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: June 28, 2016
    Assignees: STMicroelectronics S.r.l., Omron Corporation
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti, Martino Zerbini, Luca Molinari
  • Patent number: 9363608
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: June 7, 2016
    Assignees: OMRON CORPORATION, STMICROELECTRONICS S.R.L.
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti
  • Publication number: 20160157023
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Application
    Filed: February 5, 2016
    Publication date: June 2, 2016
    Inventors: Takashi KASAI, Shobu SATO, Yuki UCHIDA, Igino PADOVANI, Filippo DAVID, Sebastiano CONTI
  • Publication number: 20140191343
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane, provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane, provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Application
    Filed: December 22, 2011
    Publication date: July 10, 2014
    Applicants: STMICROELECTRONICS S.R.L., OMRON CORPORATION
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti
  • Publication number: 20140010374
    Abstract: The present disclosure is directed to an acoustic transducer configured to detect a sound wave according to changes in capacitances between a vibrating electrode and a fixed electrode. At least one of the vibrating electrode and the fixed electrode being divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting electrical signals. The disclosure includes a digital interface circuit coupled to the divided electrodes. The circuit includes a recombination stage, which supplies a mixed signal by combining the first digital processed signal and the second digital processed signal with a respective weight that is a function of a first level value of the first processed signal. An output stage is included, which supplies, selectively and alternatively, a first processed signal, a second processed signal, or a mixed signal.
    Type: Application
    Filed: July 5, 2013
    Publication date: January 9, 2014
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti, Martino Zerbini, Luca Molinari
  • Publication number: 20130294622
    Abstract: Provided is an acoustic transducer including: a semiconductor substrate; a vibrating membrane provided above the semiconductor substrate, including a vibrating electrode; and a fixed membrane provided above the semiconductor substrate, including a fixed electrode, the acoustic transducer detecting a sound wave according to changes in capacitances between the vibrating electrode and the fixed electrode, converting the sound wave into electrical signals, and outputting the electrical signals. At least one of the vibrating electrode and the fixed electrode is divided into a plurality of divided electrodes, and the plurality of divided electrodes outputting the electrical signals.
    Type: Application
    Filed: July 5, 2013
    Publication date: November 7, 2013
    Inventors: Takashi Kasai, Shobu Sato, Yuki Uchida, Igino Padovani, Filippo David, Sebastiano Conti
  • Patent number: 6753487
    Abstract: Fixed contacts (23A, 24A) are provided on the upper surface of a silicon substrate (21). Signal lines (23, 24) electrically continuous with the fixed contacts (23A, 24A) are provided so as to pass through a silicon substrate (21) from the obverse surface to the reverse surface thereof. Bumps (32, 33) electrically continuous with the signal lines (23, 24) are provided on the reverse surface of the silicon substrate (21). A fixed electrode (22) is provided on both sides of the fixed contacts (23A, 24A). Wiring conductors (30, 31) electrically continuous with the fixed electrode (22) are provided so as to pass through the silicon substrate (21) from the obverse surface to the reverse surface thereof. Bumps (34, 35) electrically continuous with the wiring conductors (30, 31) are provided on the reverse surface of the silicon substrate (21).
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: June 22, 2004
    Assignee: Omron Corporation
    Inventors: Mitsuru Fujii, Minoru Sakata, Tomonori Seki, Shobu Sato
  • Publication number: 20020163408
    Abstract: Fixed contacts (23A, 24A) are provided on the upper surface of a silicon substrate (21). Signal lines (23, 24) electrically continuous with the fixed contacts (23A, 24A) are provided so as to pass through a silicon substrate (21) from the obverse surface to the reverse surface thereof. Bumps (32, 33) electrically continuous with the signal lines (23, 24) are provided on the reverse surface of the silicon substrate (21). A fixed electrode (22) is provided on both sides of the fixed contacts (23A, 24A). Wiring conductors (30, 31) electrically continuous with the fixed electrode (22) are provided so as to pass through the silicon substrate (21) from the obverse surface to the reverse surface thereof. Bumps (34, 35) electrically continuous with the wiring conductors (30, 31) are provided on the reverse surface of the silicon substrate (21).
    Type: Application
    Filed: May 20, 2002
    Publication date: November 7, 2002
    Inventors: Mitsuru Fujii, Minoru Sakata, Tomonori Seki, Shobu Sato