Patents by Inventor Won-Taik Hwang

Won-Taik Hwang 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).

  • Publication number: 20180014142
    Abstract: A digital processing device capable of receiving an additional service is disclosed. In one aspect, a digital processing device includes i) an input unit, inputting a signal, ii) a subscriber identity unit, storing an identity code of a communication operator and generating a communication network access request message, iii) an additional service identity unit, storing an identity code of an additional service operator and generating an additional service request message and v) a control unit, generating a control signal allowing one of the subscriber identity unit and the additional service identity unit to be selectively driven. In accordance with at least one inventive embodiment, a user of the digital processing device can receive an additional service without his or her subscription to a specific communication operator and use various additional services in addition to the additional services provided by the subscribed communication operator.
    Type: Application
    Filed: February 3, 2014
    Publication date: January 11, 2018
    Applicant: KT Corporation
    Inventors: Young-Sung KIM, Tae-Hyo AHN, Yeon-Dae KIM, Hae-Young SONG, Won-Taik HWANG, Sang-Youn LEE, Yoon-Kyoo JUNG, Sun-Jung LEE, Tae-Kyun KIM
  • Patent number: 9848278
    Abstract: A digital processing device capable of receiving an additional service is disclosed. In one aspect, a digital processing device includes i) an input unit, inputting a signal, ii) a subscriber identity unit, storing an identity code of a communication operator and generating a communication network access request message, iii) an additional service identity unit, storing an identity code of an additional service operator and generating an additional service request message and v) a control unit, generating a control signal allowing one of the subscriber identity unit and the additional service identity unit to be selectively driven. In accordance with at least one inventive embodiment, a user of the digital processing device can receive an additional service without his or her subscription to a specific communication operator and use various additional services in addition to the additional services provided by the subscribed communication operator.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: December 19, 2017
    Assignee: INTELLECTUAL DISCOVERY CO., LTD.
    Inventors: Young-Sung Kim, Tae-Hyo Ahn, Yeon-Dae Kim, Hae-Young Song, Won-Taik Hwang, Sang-Youn Lee, Yoon-Kyoo Jung, Sun-Jung Lee, Tae-Kyun Kim
  • Publication number: 20140155035
    Abstract: A digital processing device capable of receiving an additional service is disclosed. In one aspect, a digital processing device includes i) an input unit, inputting a signal, ii) a subscriber identity unit, storing an identity code of a communication operator and generating a communication network access request message, iii) an additional service identity unit, storing an identity code of an additional service operator and generating an additional service request message and v) a control unit, generating a control signal allowing one of the subscriber identity unit and the additional service identity unit to be selectively driven. In accordance with at least one inventive embodiment, a user of the digital processing device can receive an additional service without his or her subscription to a specific communication operator and use various additional services in addition to the additional services provided by the subscribed communication operator.
    Type: Application
    Filed: February 3, 2014
    Publication date: June 5, 2014
    Applicant: KT Corporation
    Inventors: Young-Sung KIM, Tae-Hyo AHN, Yeon-Dae KIM, Hae-Young SONG, Won-Taik HWANG, Sang-Youn LEE, Yoon-Kyoo JUNG, Sun-Jung LEE, Tae-Kyun KIM
  • Patent number: 8682303
    Abstract: A digital processing device capable of receiving an additional service is disclosed. In one aspect, a digital processing device includes i) an input unit, inputting a signal, ii) a subscriber identity unit, storing an identity code of a communication operator and generating a communication network access request message, iii) an additional service identity unit, storing an identity code of an additional service operator and generating an additional service request message and v) a control unit, generating a control signal allowing one of the subscriber identity unit and the additional service identity unit to be selectively driven. In accordance with at least one inventive embodiment, a user of the digital processing device can receive an additional service without his or her subscription to a specific communication operator and use various additional services in addition to the additional services provided by the subscribed communication operator.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: March 25, 2014
    Assignee: KT Corporation
    Inventors: Young-Sung Kim, Tae-Hyo Ahn, Yeon-Dae Kim, Hae-Young Song, Won-Taik Hwang, Sang-Youn Lee, Yoon-Kyoo Jung, Sun-Jung Lee, Tae-Kyun Kim
  • Patent number: 8626132
    Abstract: A digital processing device capable of receiving an additional service is disclosed. In one aspect, a digital processing device includes i) an input unit, inputting a signal, ii) a subscriber identity unit, storing an identity code of a communication operator and generating a communication network access request message, iii) an additional service identity unit, storing an identity code of an additional service operator and generating an additional service request message and v) a control unit, generating a control signal allowing one of the subscriber identity unit and the additional service identity unit to be selectively driven. In accordance with at least one inventive embodiment, a user of the digital processing device can receive an additional service without his or her subscription to a specific communication operator and use various additional services in addition to the additional services provided by the subscribed communication operator.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: January 7, 2014
    Assignee: KT Corporation
    Inventors: Young-Sung Kim, Tae-Hyo Ahn, Yeon-Dae Kim, Hae-Young Song, Won-Taik Hwang, Sang-Youn Lee, Yoon-Kyoo Jung, Sun-Jung Lee, Tae-Kyun Kim
  • Publication number: 20090029738
    Abstract: A digital processing device capable of receiving an additional service is disclosed. In one aspect, a digital processing device includes i) an input unit, inputting a signal, ii) a subscriber identity unit, storing an identity code of a communication operator and generating a communication network access request message, iii) an additional service identity unit, storing an identity code of an additional service operator and generating an additional service request message and v) a control unit, generating a control signal allowing one of the subscriber identity unit and the additional service identity unit to be selectively driven. In accordance with at least one inventive embodiment, a user of the digital processing device can receive an additional service without his or her subscription to a specific communication operator and use various additional services in addition to the additional services provided by the subscribed communication operator.
    Type: Application
    Filed: September 29, 2008
    Publication date: January 29, 2009
    Applicant: KTFreetel Co., Ltd.
    Inventors: Young-Sung KIM, Tae-Hyo Ahn, Yeon-Dae Kim, Hae-Young Song, Won-Taik Hwang, Sang-Youn Lee, Yoon-Kyoo Jung, Sun-Jung Lee, Tae-Kyun Kim