Title:
FINGERPRINT DETECTION DEVICE, AND METHOD FOR COMPENSATING FOR ATTENUATION OF DRIVING SIGNAL THEREOF
Document Type and Number:
WIPO Patent Application WO/2015/156553
Kind Code:
A1
Abstract:
Provided according to one embodiment is a fingerprint detection device comprising: an external electrode, to which a driving signal is applied; a sensor array, which comprises a plurality of sensor pads for outputting a response signal according to the application of the driving signal and is placed adjacent to the external electrode; a driving signal supply unit comprising a buffer for outputting the driving signal according to a preset gain in response to an input signal; and a compensation unit for compensating for the attenuation of the driving signal on the basis of the size of the driving signal output from the driving signal supply unit.
Inventors:
KIM KYUNG SAENG (KR)
KIM JEONG MIN (KR)
KIM JEONG MIN (KR)
Application Number:
PCT/KR2015/003417
Publication Date:
October 15, 2015
Filing Date:
April 06, 2015
Export Citation:
Assignee:
CRUCIALTEC CO LTD (KR)
International Classes:
G06K9/00; G06K9/24
Foreign References:
| KR20030029917A | 2003-04-16 | |||
| KR20030073277A | 2003-09-19 | |||
| KR20010012635A | 2001-02-26 |
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
특허법인 하나 (KR)
특허법인 하나 (KR)
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