Patents by Inventor Eun-Seob Hwang

Eun-Seob 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).

  • Patent number: 5278995
    Abstract: There is disclosed a radio calling method of a portable radiophone comprising the steps of checking the power supply to determine whether the voltage of the power supply is below the level necessary to transmit signals, beeping and displaying "Only Receive" on the LCD when the voltage is below the level, connecting the power supply to the receiver, setting a given parameter "N" to I, analyzing a received paging signal to determine whether the calling number is an identified number, beeping and displaying "N Called" on the LCD if the calling number proves the identified number, making an increment of "N", checking whether the power supply has been restored, returning the procedure to the step of analyzing a received paging signal if the power supply is not restored or the calling number does not prove the identified number, and clearing the value of the parameter "N" when the power supply is restored.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: January 11, 1994
    Assignee: SamSung Electronics Co. Ltd.
    Inventor: Eun-Seob Hwang