A pixel-level automatic calibration circuit scheme for sensing initialization of a capacitive fingerprint sensor LSI

IEEE Symposium on VLSI Circuits, Digest of Technical Papers

Volumn , Issue CIRCUITS SYMP., 2001, Pages 171-174

  Morimura, H ^a   Shigematsu, S ^a   Shimamura, T ^a   Machida, K ^a   Kyuragi, H ^a  

^a NTT CORPORATION   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CAPACITANCE; CMOS INTEGRATED CIRCUITS; SENSORS;

CAPACITIVE FINGERPRINT SENSORS;

LSI CIRCUITS;

EID: 0034799659     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

1. A fingerprint sensor based on the feedback capacitive sensing scheme
2. A robust, 1.8V 250μW direct-contact 500dpi fingerprint sensor
3. A 600-dpi capacitive fingerprint sensor chip and image-synthesis technique
4. A low-power and high-performance CMOS fingerprint sensing and encoding architecture
5. A novel sensor cell architecture and sensing circuit scheme for capacitive fingerprint sensors
6. A new sensor structure and fabrication process for a single-chip fingerprint sensor/identifier LSI
7. A single-chip fingerprint sensor and identifier