Patent ID: 11893184
Assignee: IDEAL STAR INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. An operating body detection device comprising:
a laminated structure comprising:
a capacitance-type sensor comprising a plurality of sensing electrodes, and
a heat source sensing sensor comprising a heat source sensing film having a heat source sensing membrane with a heat source sensing surface,
wherein the heat source sensing sensor comprises a piezoelectric membrane and a transparent conductive membrane,

wherein the plurality of sensing electrodes is formed on a first surface of the piezoelectric membrane,
the transparent conductive membrane is provided on a second surface of the piezoelectric membrane opposite to the first surface, and
the piezoelectric membrane functioning as the heat source sensing membrane,
wherein in a first sensing mode, the plurality of sensing electrodes are configured to function as the capacitance-type sensor, and
wherein in a second sensing mode, the plurality of sensing electrodes are configured to function as the heat source sensing sensor.