Patent ID: 11941908
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC G  A | IPC A  G

Claim 3:
4. The optical fingerprint module according to claim 1, wherein,
the light sensing unit comprises:
a first fingerprint sensor, configured to collect a first light signal for the fingerprint recognition and red light for health testing, and
a second fingerprint sensor, configured to collect a second light signal for the fingerprint recognition and green light for health testing;

the signal processing unit comprises:
a first fingerprint signal processing circuitry, connected to the control unit and configured to obtain a first fingerprint signal by processing the first light signal collected by the first fingerprint sensor;
a red light signal processing circuitry, connected to the control unit and configured to obtain a red light signal by processing the red light collected by the first fingerprint sensor;
a second fingerprint signal processing circuitry, connected to the control unit and configured to obtain a second fingerprint signal by processing the second light signal collected by the second fingerprint sensor; and
a green light signal processing circuitry, connected to the control unit and configured to obtain a green light signal by processing the green light collected by the second fingerprint sensor;

the optical fingerprint module further comprises:
a second circuit gating switch, in which one terminal of the second circuit gating switch is connected to the first fingerprint sensor, and the other terminal of the second circuit gating switch is connected to either the first fingerprint signal processing circuitry or the red light signal processing circuitry; and
a third circuit gating switch, in which one terminal of the third circuit gating switch is connected to the second fingerprint sensor, and the other terminal of the third circuit gating switch is connected to either the second fingerprint signal processing circuitry or the green light signal processing circuitry;

the control unit is configured to:
generate the fingerprint information for the fingerprint recognition based on at least one of the first fingerprint signal output by the first fingerprint signal processing circuitry and the second fingerprint signal output by the second fingerprint signal processing circuitry; and
generate the health parameter information based on at least one of the red light signal output by the red light signal processing circuitry and the green light signal output by the green light signal processing circuitry.