Patents by Inventor Byung-Hae Jung

Byung-Hae Jung 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: 5933485
    Abstract: A call reservation technique of a first exchange serving a call of an outgoing subscriber and a second exchange serving a call of an incoming subscriber includes: outputting a message requiring a call reservation registration from the first exchange to the second exchange at the time of reserving the call, and in the second exchange, storing call reservation information according to the message requiring the call reservation registration, the second exchange being transferred to a state of the call reservation registration in response to the message requiring the call reservation registration and simultaneously outputting a call reservation registration response message, and in the first exchange, storing the call reservation information according to the call reservation registration response message and the first exchange being transferred to a state of a call reservation; and checking the state of the incoming subscriber in the state of the call reservation registration in the second exchange and then input
    Type: Grant
    Filed: December 4, 1996
    Date of Patent: August 3, 1999
    Assignee: SamSung Electronics Co., Ltd.
    Inventors: Jeong-Sik Chang, Byung-Hae Jung