Patents by Inventor Jongyong Leem

Jongyong Leem 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-supply control system of peripheral equipment of computer
    Patent number: 5486726
    Abstract: The present invention discloses a power supply control system for the peripheral equipment of a computer which generates a signal for automatically cutting off the input power supplied to the peripheral equipment after a user has stop working on a computer for a predetermined period of time. Power to the peripheral equipment is then resumed when data is input to the computer system through an input. This system includes a first switching mechanism, an input-output sensing programmable array logic unit (PAL), internal-operation sensing programmable array logic unit, second switching mechanism, a counter and a controlling programmable array logic unit.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: January 23, 1996
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heejo Kim, Jongyong Leem, Bongrak Choi, Kyungsang Lee, Kyungseol Min