Patents by Inventor Hsun-Cheng Cho

Hsun-Cheng Cho 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: 11632624
    Abstract: The present invention provides an audio output device. The audio output device includes a speaker unit, a first plate and a second plate. The speaker unit has a sound-emitting surface, and the sound-emitting surface has a first side and a second side opposite to each other. A first side edge of the first plate corresponds to the first side and is rotatably connected. A second side of the second plate corresponds to the second side and is rotatably connected, and a sound channel corresponding to the speaker unit is formed between the first plate and the second plate, and a sound outlet is formed at an end of the sound channel farthest away from the speaker unit, and a direction pointed by a connection line between a center point of the sound-emitting surface and a center point of the sound outlet is adjustable.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: April 18, 2023
    Assignee: Qisda Corporation
    Inventors: Chih-Hung Lin, Hsun-Cheng Cho
  • Publication number: 20220132237
    Abstract: The present invention provides an audio output device. The audio output device includes a speaker unit, a first plate and a second plate. The speaker unit has a sound-emitting surface, and the sound-emitting surface has a first side and a second side opposite to each other. A first side edge of the first plate corresponds to the first side and is rotatably connected. A second side of the second plate corresponds to the second side and is rotatably connected, and a sound channel corresponding to the speaker unit is formed between the first plate and the second plate, and a sound outlet is formed at an end of the sound channel farthest away from the speaker unit, and a direction pointed by a connection line between a center point of the sound-emitting surface and a center point of the sound outlet is adjustable.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Applicant: Qisda Corporation
    Inventors: Chih-Hung LIN, Hsun-Cheng CHO
  • Patent number: 10750262
    Abstract: A display device includes a casing, a display module and a woofer. The casing includes a back cover. A top side of the back cover has a plurality of sound holes formed thereon. A wall structure extends from an inner surface of the back cover. An opening of the back cover communicates with the sound holes. The display module is disposed in the casing. The woofer is disposed in the casing and located between the display module and the back cover. The wall structure encloses the woofer to guide a sound outputted by the woofer to the sound holes through the opening.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 18, 2020
    Assignee: Qisda Corporation
    Inventors: Chih-Hung Lin, Hsun-Cheng Cho, Long-Sing Jhong
  • Publication number: 20190349657
    Abstract: A display device includes a casing, a display module and a woofer. The casing includes a back cover. A top side of the back cover has a plurality of sound holes formed thereon. A wall structure extends from an inner surface of the back cover. An opening of the back cover communicates with the sound holes. The display module is disposed in the casing. The woofer is disposed in the casing and located between the display module and the back cover. The wall structure encloses the woofer to guide a sound outputted by the woofer to the sound holes through the opening.
    Type: Application
    Filed: March 29, 2019
    Publication date: November 14, 2019
    Inventors: Chih-Hung Lin, Hsun-Cheng Cho, Long-Sing Jhong