首页>
外国专利>
Fingerprint detection circuit, and capacitive fingerprint sensor and mobile terminal thereof
Fingerprint detection circuit, and capacitive fingerprint sensor and mobile terminal thereof
展开▼
机译:指纹检测电路,电容式指纹传感器及其移动终端
展开▼
页面导航
摘要
著录项
相似文献
摘要
The present disclosure discloses a fingerprint detection circuit, including a plurality of detection units arranged in an array and a summing unit. The detection units include a first detection unit and a second detection unit being respectively connected to the summing unit. The summing unit conducts a summing operation for an output signal of each second detection unit and an output signal of the first detection unit to cancel a base signal in the output signal of each second detection unit to acquire a useful signal including fingerprint information.
展开▼