Patents by Inventor Byeong Cheon Jeong

Byeong Cheon Jeong 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).

  • Power interface circuit of contact IC card reader
    Patent number: 8610468
    Abstract: A power interface circuit of a contact integrated circuit (IC) card reader is provided.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: December 17, 2013
    Assignee: Samsung SDS Co., Ltd.
    Inventors: Hyun Soo Park, Byeong Cheon Jeong, Kyung Hoon Kim, Yeon Seok Song, Min Gyu Maing, Hong Chul Lee
  • Integrated RF card reader
    Patent number: 8074885
    Abstract: An integrated RF card reader includes an integrated RF transmission unit including a Felica chip and a Felica security unit performing a security function that is needed to process a Felica type RF card where an RF function is removed. Since a variety of types can be embodied through a single RF transmission circuit by using the integrated RF card reader, a manufacturing cost can be reduced.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: December 13, 2011
    Assignee: Samsung S.D.S. Co. Ltd.
    Inventors: Dae Seong Kim, Byeong Cheon Jeong, Hyun Soo Park, Kyung Hoon Kim, Min Gyu Maing, Dong Won Lee
  • POWER INTERFACE CIRCUIT OF CONTACT IC CARD READER
    Publication number: 20110254620
    Abstract: A power interface circuit of a contact integrated circuit (IC) card reader is provided.
    Type: Application
    Filed: December 11, 2009
    Publication date: October 20, 2011
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Hyun Soo Park, Byeong Cheon Jeong, Kyung Hoon Kim, Yeon Seok Song, Min Gyu Maing, Hong Chul Lee
  • Integrated RF Card Reader
    Publication number: 20110024502
    Abstract: An integrated RF card reader includes an integrated RF transmission unit including a Felica chip and a Felica security unit performing a security function that is needed to process a Felica type RF card where an RF function is removed. Since a variety of types can be embodied through a single RF transmission circuit by using the integrated RF card reader, a manufacturing cost can be reduced.
    Type: Application
    Filed: October 8, 2010
    Publication date: February 3, 2011
    Inventors: Dae Seong Kim, Byeong Cheon Jeong, Hyun Soo Park, Kyung Hoon Kim, Min Gyu Maing, Dong Won Lee