Patents by Inventor Teerada Sirirattanasit

Teerada Sirirattanasit 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: 7813770
    Abstract: A speaker module and a mobile device having the speaker module are provided herein. The speaker module includes a speaker unit and a speaker box. The speaker box has a wall defining an aperture receiving the speaker unit therein. The speaker box has a first speaker chamber, a second speaker chamber and a connecting section connecting the first speaker chamber and the second speaker chamber. The cross-sectional height of the space of the connecting section is lower than that of the first speaker chamber or the second speaker chamber. In other option, the space of the connecting section is smaller than that of the first speaker chamber or the second speaker chamber.
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: October 12, 2010
    Assignee: HTC Corporation
    Inventors: San-Chi Ho, Kar-Chai Luk, Teerada Sirirattanasit
  • Publication number: 20070275769
    Abstract: A speaker module and a mobile device having the speaker module are provided herein. The speaker module includes a speaker unit and a speaker box. The speaker box has a wall defining an aperture receiving the speaker unit therein. The speaker box has a first speaker chamber, a second speaker chamber and a connecting section connecting the first speaker chamber and the second speaker chamber. The cross-sectional height of the space of the connecting section is lower than that of the first speaker chamber or the second speaker chamber. In other option, the space of the connecting section is smaller than that of the first speaker chamber or the second speaker chamber.
    Type: Application
    Filed: August 14, 2007
    Publication date: November 29, 2007
    Applicant: HIGH TECH COMPUTER, CORP.
    Inventors: San-Chi Ho, Kar-Chai Luk, Teerada Sirirattanasit
  • Patent number: 7263387
    Abstract: A speaker module (200) having a speaker unit (210) and a speaker box (220) is provided. The speaker module is mounted in a casing (22) of a hand-held electronic device (20). The speaker box (220) has a wall defining an aperture (222a) receiving the speaker unit therein. The speaker box has a neck section (224) formed by narrowing a peripheral wall of the speaker box. The neck section connects front and rear speaker chambers (222, 226) each of which has a cross-sectional dimension larger than that of the neck section. The speaker module is mounted on a printed circuit board (24) by fitting the neck section in a hole (24a) of the printed circuit board. The speaker unit is mounted in a front wall of the front chamber (222). An antenna module (26) is mounted in the casing behind the speaker module.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: August 28, 2007
    Assignee: High Tech Computer, Corp.
    Inventors: San-Chi Ho, Kar-Chai Luk, Teerada Sirirattanasit
  • Publication number: 20040142731
    Abstract: A speaker module (200) having a speaker unit (210) and a speaker box (220) is provided. The speaker module is mounted in a casing (22) of a hand-held electronic device (20). The speaker box (220) has a wall defining an aperture (222a) receiving the speaker unit therein. The speaker box has a neck section (224) formed by narrowing a peripheral wall of the speaker box. The neck section connects front and rear speaker chambers (222, 226) each of which has a cross-sectional dimension larger than that of the neck section. The speaker module is mounted on a printed circuit board (24) by fitting the neck section in a hole (24a) of the printed circuit board. The speaker unit is mounted in a front wall of the front chamber (222). An antenna module (26) is mounted in the casing behind the speaker module.
    Type: Application
    Filed: April 24, 2003
    Publication date: July 22, 2004
    Inventors: San-Chi Ho, Kar-Chai Luk, Teerada Sirirattanasit