Patents by Inventor Jong Nam Jun

Jong Nam Jun 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).

  • Compatible circuit and method for 4- and 5-pole earphones and portable device using the same
    Patent number: 8155337
    Abstract: A compatible circuit and method for 4- and 5-pole earphones and a portable device are disclosed. The compatible circuit and method alter the path of audio signals, using switches, according to control signals, so that the 4-pole earphone can be used in a portable device designed primarily for a 5-pole earphone. The apparatus and method include determining the type of earphone, altering the audio signal path according to the type of earphone, and transmitting the audio signal to the earphone.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: April 10, 2012
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Kyu Won Choi, Jong Nam Jun, Nam Hyung Kim, Mi Jin Kim