Patents by Inventor Yoneaki Arai

Yoneaki Arai 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: 5350881
    Abstract: A striker designed to strike or be swung for playing music is provided with a musical sound-initiating command signal-generating device including switching members. When the striker strikes or swings, the switching members perform a switching action which triggers the transmitting of a musical sound-initiating command signal from the musical sound-initiating command signal-generating device. A desired musical sound is produced by a musical sound producing unit in response to the musical sound-initiating command signal. A number of different timbres can be selectively used for a musical tone, by operating a timbre-selecting switch provided on the striker.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: September 27, 1994
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yukio Kashio, Yoneaki Arai
  • Patent number: 5164528
    Abstract: This invention relates to a keyboard apparatus for a musical instrument such as a musical keyboard instrument for electronic pianos, electronic organs, or acoustic keyboards. This keyboard apparatus has a musical instrument body, a plurality of keys attached to the musical instrument body, and a console panel attached to the musical instrument body. A key concealing unit for concealing the base end portions of the plurality of keys are integrally molded with one edge of the console panel.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: November 17, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yoneaki Arai, Hirokazu Taniguchi, Daisuke Okizawa
  • Patent number: 5157213
    Abstract: A striker designed to strike or be swung for playing music is provided with a musical sound-initiating command signal-generating device including switching members. When the striker strikes or swings, the switching members perform a switching action which triggers the transmitting of a musical sound-initiating command signal from the musical sound-initiating command signal-generating device. A desired musical sound is produced by a musical sound producing unit in response to the musical sound-initiating command signal. A number of different timbres can be selectively used for a musical tone, by operating a timbre-selecting switch provided on the striker.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: October 20, 1992
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yukio Kashio, Yoneaki Arai
  • Patent number: 4995294
    Abstract: A striker designed to strike or be swung for playing music is provided with a musical sound-initiating command signal-generating device including switching members. When the striker strikes or swings, the switching members perform a switching action which triggers the transmitting of a musical sound-initiating command signal from the musical sound-initiating command signal-generating device. A desired musical sound is produced by a musical sound producing unit in response to the musical sound-initiating command signal. A number of different timbres can be selectively used for a musical tone, by operating a timbre-selecting switch provided on the striker.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: February 26, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yukio Kashio, Yoneaki Arai
  • Patent number: 4566363
    Abstract: A through hole is formed in the top wall of an inhalation hole which communicates with the outside by means of an elongate channel. The through hole is closed by an elastic member having a bulging portion. A projection is formed in the center of the bulging portion, and retains the extreme end of a movable contact of a contact mechanism. A fixed contact is fixed on a circuit board. When the bulging portion is depressed downward by inhalation, the movable contact is brought into touch with the fixed contact to produce an input signal.
    Type: Grant
    Filed: February 24, 1984
    Date of Patent: January 28, 1986
    Assignee: Casio Computer Co., Ltd.
    Inventor: Yoneaki Arai