Patents by Inventor Kyo-Hwan Ahn

Kyo-Hwan Ahn 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).

  • Method of automatic equalized distribution of ring loads for telephone exchange system
    Patent number: 5056135
    Abstract: A method of automatically and equally distributing the ring load for an exchange system. The subscribers are grouped so that at any one time the subscribers of one group only is supplied with the ring current for ringing the telephone. If the number of the subscribers exceeds the allowable limit within the specified on time, the on time is automatically reset by use of a subtracting time to limit the ring load within a specified value.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: October 8, 1991
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Kyo-Hwan Ahn