×

Sound guide for speaker and handset for mobile communication using the same

  • US 7,139,395 B2
  • Filed: 03/08/2004
  • Issued: 11/21/2006
  • Est. Priority Date: 12/18/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A mobile communication terminal handset, comprising:

  • a rigid single body case having a sound propagation hole on a front side forming an opening on the case;

    means for providing wireless communication, said means being provided within the rigid single body case;

    a speaker coupled to the case to generate audible sounds;

    a sound chamber between the speaker and the sound propagation hole, wherein the speaker is positioned at a first prescribed angle other than 0° and

    180°

    with respect to the front side of the case, wherein a first side of the sound chamber is formed along a portion of the first side of the case that contains the sound propagation hole, and a second side of the sound chamber is aligned with the speaker, and wherein the sound propagation hole allows audible sounds from the speaker to pass directly from the sound chamber to outside of the case; and

    a sound guide to guide audible sounds by directing a propagation direction of the audible sound at a second prescribed angle.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×