CN106326878A - 超声波探头及超声波指纹识别装置 - Google Patents
超声波探头及超声波指纹识别装置 Download PDFInfo
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- CN106326878A CN106326878A CN201610802615.5A CN201610802615A CN106326878A CN 106326878 A CN106326878 A CN 106326878A CN 201610802615 A CN201610802615 A CN 201610802615A CN 106326878 A CN106326878 A CN 106326878A
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- Prior art keywords
- piezo column
- ultrasound probe
- piezo
- polar curve
- piezoelectric
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201610802615.5A CN106326878A (zh) | 2016-09-05 | 2016-09-05 | 超声波探头及超声波指纹识别装置 |
US15/489,906 US10268866B2 (en) | 2016-09-05 | 2017-04-18 | Ultrasonic probe and manufacturing method of the same and ultrasonic fingerprint recognition device |
Applications Claiming Priority (1)
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CN201610802615.5A CN106326878A (zh) | 2016-09-05 | 2016-09-05 | 超声波探头及超声波指纹识别装置 |
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CN106326878A true CN106326878A (zh) | 2017-01-11 |
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CN201610802615.5A Withdrawn CN106326878A (zh) | 2016-09-05 | 2016-09-05 | 超声波探头及超声波指纹识别装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108461622A (zh) * | 2017-02-17 | 2018-08-28 | 株式会社Befs | 压电传感器制造方法及利用其的压电传感器 |
CN111866680A (zh) * | 2020-07-15 | 2020-10-30 | 深圳市汇顶科技股份有限公司 | 超声换能器与电子设备 |
CN115643783A (zh) * | 2022-11-07 | 2023-01-24 | 中南大学 | 多层定向多孔压电复合材料及制备和压电能量收集器 |
-
2016
- 2016-09-05 CN CN201610802615.5A patent/CN106326878A/zh not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108461622A (zh) * | 2017-02-17 | 2018-08-28 | 株式会社Befs | 压电传感器制造方法及利用其的压电传感器 |
CN108461622B (zh) * | 2017-02-17 | 2021-09-07 | (株) 凯希思 | 压电传感器制造方法及利用其的压电传感器 |
CN111866680A (zh) * | 2020-07-15 | 2020-10-30 | 深圳市汇顶科技股份有限公司 | 超声换能器与电子设备 |
CN115643783A (zh) * | 2022-11-07 | 2023-01-24 | 中南大学 | 多层定向多孔压电复合材料及制备和压电能量收集器 |
CN115643783B (zh) * | 2022-11-07 | 2023-07-25 | 中南大学 | 多层定向多孔压电复合材料及制备和压电能量收集器 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 no.1189 Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330013 no.1189 Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330013 no.1189 Jingdong Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
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CB02 | Change of applicant information | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170111 |
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WW01 | Invention patent application withdrawn after publication |