Patents by Inventor Joo Il Heo

Joo Il Heo 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).

  • Fingerprint detecting apparatus canceling offset and control method thereof
    Patent number: 10354113
    Abstract: According to an embodiment of the present invention, an apparatus for detecting a fingerprint is provided, which includes a plurality of sensor pads receiving a response signal from a finger applied to a driving signal, a sensing circuit outputting a sensing signal based on the response signal, and a sensing signal adjusting unit sampling the sensing signal outputted from the sensing circuit maintaining the sensing signal, and adjusting an average voltage level of the sensing signal based on a reference voltage.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: July 16, 2019
    Assignees: Crucialtec Co., Ltd., Canvasbio Co., Ltd.
    Inventors: Joo Il Heo, June Shik Kim, Dong Ho Kim, Taek Moo Kim, Seong Ik Jeong
  • FINGERPRINT DETECTING APPARATUS CANCELING OFFSET AND CONTROL METHOD THEREOF
    Publication number: 20160110581
    Abstract: According to an embodiment of the present invention, an apparatus for detecting a fingerprint is provided, which includes a plurality of sensor pads receiving a response signal from a finger applied to a driving signal, a sensing circuit outputting a sensing signal based on the response signal, and a sensing signal adjusting unit sampling the sensing signal outputted from the sensing circuit maintaining the sensing signal, and adjusting an average voltage level of the sensing signal based on a reference voltage
    Type: Application
    Filed: October 15, 2015
    Publication date: April 21, 2016
    Inventors: Joo Il Heo, June Shik Kim, Dong Ho Kim, Taek Moo Kim, Seong Ik Jeong