Patents by Inventor Ju-Won Her

Ju-Won Her 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: 5712911
    Abstract: A novel telephone system and method for activating a speakerphone in response to an incoming call based upon the presence or absence of a subscriber within a predetermined proximity zone. The telephone system has a ring detector for detecting a ring signal in response to an incoming call received via a central switching network, a proximity sensor for sensing the presence or absence of a subscriber within a predetermined proximity zone of the telephone system, and a control unit for automatically activating the speakerphone to establish communication with the caller when the subscriber is within the predetermined proximity zone and deactivating the speakerphone in response to detecting a busy tone generated by the central switching network when the call is terminated.
    Type: Grant
    Filed: September 13, 1995
    Date of Patent: January 27, 1998
    Assignee: SamSung Electronics Co. Ltd.
    Inventor: Ju-Won Her