Ultra-low power flexible piezoelectric audio recognition sensor for Internet-of-Things사물인터넷(IOT)용 초저 전력 연성 압전 음성 인식 센서

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The piezoelectric voice recognition sensor according to the present invention includes: a flexible film (600); a piezoelectric substance layer (300) laminated on the flexible film (600); and an electrode (500) laminated on the piezoelectric substance layer (300), and the electrode (500) includes a plurality of frequency-separated channels arranged in a line, the plurality of frequency-separated channels being in a state of different lengths from each other. The present invention separates voices sensed by a plurality of frequency separation channels configured in a trapezoidal shape by the plurality of channels according to frequency, and converts the separated voice signals into electric signals by mechanical vibration signals through a piezoelectric element, thereby performing recognition.
Assignee
KAIST
Country
CC (Cocos (Keeling) Islands)
Application Date
2016-06-09
Application Number
201680003750.1
Registration Date
2020-09-01
Registration Number
107004415
URI
http://hdl.handle.net/10203/276714
Appears in Collection
MS-Patent(특허)
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