KR102220830B1 - 압전 층을 갖는 초음파 수신기 - Google Patents

압전 층을 갖는 초음파 수신기 Download PDF

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KR102220830B1
KR102220830B1 KR1020157037151A KR20157037151A KR102220830B1 KR 102220830 B1 KR102220830 B1 KR 102220830B1 KR 1020157037151 A KR1020157037151 A KR 1020157037151A KR 20157037151 A KR20157037151 A KR 20157037151A KR 102220830 B1 KR102220830 B1 KR 102220830B1
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ultrasonic receiver
ultrasonic
delete delete
layer
polymer
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KR20160014065A (ko
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잭 콘웨이 2세 키첸스
존 키스 슈나이더
스티븐 마이클 고제빅
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퀄컴 인코포레이티드
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    • G06K9/0002—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/117—Identification of persons
    • A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
    • A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Molecular Biology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
KR1020157037151A 2013-06-03 2014-05-29 압전 층을 갖는 초음파 수신기 Active KR102220830B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361830572P 2013-06-03 2013-06-03
US61/830,572 2013-06-03
US14/175,876 US20140355387A1 (en) 2013-06-03 2014-02-07 Ultrasonic receiver with coated piezoelectric layer
US14/175,876 2014-02-07
PCT/US2014/039985 WO2014197274A1 (en) 2013-06-03 2014-05-29 Ultrasonic receiver with coated piezoelectric layer

Publications (2)

Publication Number Publication Date
KR20160014065A KR20160014065A (ko) 2016-02-05
KR102220830B1 true KR102220830B1 (ko) 2021-02-25

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US (2) US20140355387A1 (https=)
EP (1) EP3005229A1 (https=)
JP (1) JP2016526165A (https=)
KR (1) KR102220830B1 (https=)
CN (1) CN105264545B (https=)
BR (1) BR112015030409B1 (https=)
WO (1) WO2014197274A1 (https=)

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CN105264545B (zh) 2020-01-07
US20140355387A1 (en) 2014-12-04
US20180213333A1 (en) 2018-07-26
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