CN105447442B - 调整指纹检测芯片激励电压的方法和装置 - Google Patents
调整指纹检测芯片激励电压的方法和装置 Download PDFInfo
- Publication number
- CN105447442B CN105447442B CN201510315189.8A CN201510315189A CN105447442B CN 105447442 B CN105447442 B CN 105447442B CN 201510315189 A CN201510315189 A CN 201510315189A CN 105447442 B CN105447442 B CN 105447442B
- Authority
- CN
- China
- Prior art keywords
- detection
- detection zone
- becket
- driving voltage
- fingerprint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims (6)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510315189.8A CN105447442B (zh) | 2015-06-10 | 2015-06-10 | 调整指纹检测芯片激励电压的方法和装置 |
TW104141066A TWI564814B (zh) | 2015-06-10 | 2015-12-08 | 調整指紋檢測晶片激發電壓的方法和調整指紋檢測晶片激發電壓的裝置 |
EP16806838.5A EP3308324A4 (en) | 2015-06-10 | 2016-06-08 | Method and apparatus for adjusting excitation voltage of fingerprint detection chip |
US15/574,053 US10309759B2 (en) | 2015-06-10 | 2016-06-08 | Method and apparatus for adjusting excitation voltage of fingerprint detection chip |
PCT/CN2016/085234 WO2016197940A1 (en) | 2015-06-10 | 2016-06-08 | Method and apparatus for adjusting excitation voltage of fingerprint detection chip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510315189.8A CN105447442B (zh) | 2015-06-10 | 2015-06-10 | 调整指纹检测芯片激励电压的方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105447442A CN105447442A (zh) | 2016-03-30 |
CN105447442B true CN105447442B (zh) | 2017-08-04 |
Family
ID=55557602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510315189.8A Active CN105447442B (zh) | 2015-06-10 | 2015-06-10 | 调整指纹检测芯片激励电压的方法和装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10309759B2 (zh) |
EP (1) | EP3308324A4 (zh) |
CN (1) | CN105447442B (zh) |
TW (1) | TWI564814B (zh) |
WO (1) | WO2016197940A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105447437B (zh) * | 2015-02-13 | 2017-05-03 | 比亚迪股份有限公司 | 指纹识别方法和装置 |
CN105447442B (zh) | 2015-06-10 | 2017-08-04 | 比亚迪股份有限公司 | 调整指纹检测芯片激励电压的方法和装置 |
CN112132116A (zh) * | 2020-10-30 | 2020-12-25 | 宁波爱芯微电子有限公司 | 一种基于隐藏式激励环的指纹传感器 |
TWI817508B (zh) * | 2022-05-18 | 2023-10-01 | 大陸商北京集創北方科技股份有限公司 | 電容感測模組、指紋識別裝置及資訊處理裝置 |
CN117805327B (zh) * | 2024-02-29 | 2024-05-14 | 中国计量大学 | 同时检测牛奶中的金霉素和乳糖水合物的传感芯片及方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1800243B1 (en) * | 2004-10-04 | 2010-08-11 | Validity Sensors, Inc. | Fingerprint sensing assemblies comprising a substrate |
NO20093601A1 (no) * | 2009-12-29 | 2011-06-30 | Idex Asa | Overflatesensor |
DE102011075276B4 (de) * | 2011-05-04 | 2015-10-08 | Ident Technology Ag | Kapazitive Sensoreinrichtung sowie Verfahren zum Betrieb einer Eingabeeinrichtung |
DE102011054690B4 (de) * | 2011-10-21 | 2016-05-12 | Ident Technology Ag | Elektrodeneinrichtung für eine kapazitive Sensoreinrichtung zur Positionserfassung |
US9633247B2 (en) * | 2012-03-01 | 2017-04-25 | Apple Inc. | Electronic device with shared near field communications and sensor structures |
US9740343B2 (en) * | 2012-04-13 | 2017-08-22 | Apple Inc. | Capacitive sensing array modulation |
TWI480788B (zh) * | 2012-12-07 | 2015-04-11 | Tera Xtal Technology Corp | Touch sensing device and method |
WO2014099514A1 (en) * | 2012-12-18 | 2014-06-26 | Apple Inc. | Electronic device including device ground coupled finger coupling electrode and array shielding electrode and related methods |
CN103745194B (zh) * | 2013-12-20 | 2017-11-28 | 深圳市汇顶科技股份有限公司 | 指纹检测装置和移动终端 |
CN203964928U (zh) * | 2013-12-27 | 2014-11-26 | 比亚迪股份有限公司 | 用于指纹识别的电容检测装置和具有其的指纹识别装置 |
US10128907B2 (en) * | 2014-01-09 | 2018-11-13 | Shenzhen GOODIX Technology Co., Ltd. | Fingerprint sensor module-based device-to-device communication |
CN103902971A (zh) * | 2014-03-12 | 2014-07-02 | 深圳市汇顶科技股份有限公司 | 指纹检测电路和指纹检测装置 |
CN103870817B (zh) * | 2014-03-27 | 2019-04-05 | 成都费恩格尔微电子技术有限公司 | 一种射频式微电容指纹采集芯片及采集方法 |
US9939966B2 (en) * | 2014-03-28 | 2018-04-10 | Synaptics Incorporated | Low ground mass correction mechanism |
CN104573649B (zh) * | 2014-12-30 | 2019-04-02 | 深圳市汇顶科技股份有限公司 | 指纹识别传感器和终端设备 |
CN105447442B (zh) * | 2015-06-10 | 2017-08-04 | 比亚迪股份有限公司 | 调整指纹检测芯片激励电压的方法和装置 |
TWI727040B (zh) * | 2016-05-13 | 2021-05-11 | 瑞典商指紋卡公司 | 用於雜訊偵測的指紋感測裝置及其中的方法 |
SE1650943A1 (en) * | 2016-06-30 | 2017-10-24 | Fingerprint Cards Ab | Fingerprint sensing and body area network communication system |
-
2015
- 2015-06-10 CN CN201510315189.8A patent/CN105447442B/zh active Active
- 2015-12-08 TW TW104141066A patent/TWI564814B/zh active
-
2016
- 2016-06-08 EP EP16806838.5A patent/EP3308324A4/en not_active Withdrawn
- 2016-06-08 US US15/574,053 patent/US10309759B2/en active Active
- 2016-06-08 WO PCT/CN2016/085234 patent/WO2016197940A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10309759B2 (en) | 2019-06-04 |
TW201643770A (zh) | 2016-12-16 |
WO2016197940A1 (en) | 2016-12-15 |
EP3308324A1 (en) | 2018-04-18 |
TWI564814B (zh) | 2017-01-01 |
EP3308324A4 (en) | 2018-07-18 |
US20180299248A1 (en) | 2018-10-18 |
CN105447442A (zh) | 2016-03-30 |
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TR01 | Transfer of patent right |
Effective date of registration: 20191230 Address after: 518119 1 Yanan Road, Kwai Chung street, Dapeng New District, Shenzhen, Guangdong Patentee after: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |