H.C. Park & Associates, PLC
Fingerprint detecting apparatus canceling offset and control method thereof
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.
Canvasbio Co., Ltd. Crucialtec Co., Ltd.
G
G06V
inventional
Dong Ho Seong Ik Joo Il June Shik Taek Moo
Kim Jeong Heo Kim Kim