TWI323196B - - Google Patents

Download PDF

Info

Publication number
TWI323196B
TWI323196B TW96106115A TW96106115A TWI323196B TW I323196 B TWI323196 B TW I323196B TW 96106115 A TW96106115 A TW 96106115A TW 96106115 A TW96106115 A TW 96106115A TW I323196 B TWI323196 B TW I323196B
Authority
TW
Taiwan
Prior art keywords
frequency
signal
transducer
driving
signal generating
Prior art date
Application number
TW96106115A
Other languages
English (en)
Chinese (zh)
Other versions
TW200835560A (en
Original Assignee
Univ Chang Gung
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Chang Gung filed Critical Univ Chang Gung
Priority to TW96106115A priority Critical patent/TW200835560A/zh
Publication of TW200835560A publication Critical patent/TW200835560A/zh
Application granted granted Critical
Publication of TWI323196B publication Critical patent/TWI323196B/zh

Links

Landscapes

  • Ultra Sonic Daignosis Equipment (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
TW96106115A 2007-02-16 2007-02-16 Ultrasonic system of a single transducer driven with multiple frequencies and signal-generation device TW200835560A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW96106115A TW200835560A (en) 2007-02-16 2007-02-16 Ultrasonic system of a single transducer driven with multiple frequencies and signal-generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW96106115A TW200835560A (en) 2007-02-16 2007-02-16 Ultrasonic system of a single transducer driven with multiple frequencies and signal-generation device

Publications (2)

Publication Number Publication Date
TW200835560A TW200835560A (en) 2008-09-01
TWI323196B true TWI323196B (enExample) 2010-04-11

Family

ID=44819745

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96106115A TW200835560A (en) 2007-02-16 2007-02-16 Ultrasonic system of a single transducer driven with multiple frequencies and signal-generation device

Country Status (1)

Country Link
TW (1) TW200835560A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI489111B (zh) * 2014-06-10 2015-06-21 Richtek Technology Corp 多微機電元件之訊號處理方法與適用此方法之複合微機電裝置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI489111B (zh) * 2014-06-10 2015-06-21 Richtek Technology Corp 多微機電元件之訊號處理方法與適用此方法之複合微機電裝置

Also Published As

Publication number Publication date
TW200835560A (en) 2008-09-01

Similar Documents

Publication Publication Date Title
CN102149429B (zh) 产生超声波的装置
Savoia et al. A CMUT probe for medical ultrasonography: From microfabrication to system integration
Sampaleanu et al. Top-orthogonal-to-bottom-electrode (TOBE) CMUT arrays for 3-D ultrasound imaging
JP4880275B2 (ja) 静電容量型超音波振動子装置
Yamaner et al. High-power CMUTs: design and experimental verification
JP6770663B2 (ja) 容量性マイクロマシン超音波トランスデューサ（ｃｍｕｔ）装置と制御方法
CN204468134U (zh) 具有双频率的单、多阵元ivus换能器
Guiroy et al. Dual-frequency transducer for nonlinear contrast agent imaging
Wong et al. Evaluation of wafer bonded CMUTs with rectangular membranes featuring high fill factor
Chen et al. Design and fabrication of a high-frequency microconvex array transducer for small animals imaging
CN103302055A (zh) 基于数字脉冲驱动的变频超声波系统
Park et al. Dual-frequency piezoelectric micromachined ultrasound transducer based on polarization switching in ferroelectric thin films
Wodnicki et al. Co-integrated PIN-PMN-PT 2-D array and transceiver electronics by direct assembly using a 3-D printed interposer grid frame
US7530272B2 (en) Multiple frequency ultrasound apparatus
Nistorica et al. High frequency piezoelectric micromachined transducers with wide bandwidth and high sensitivity
TWI323196B (enExample)
Zhang et al. Construction of an intravascular ultrasound catheter with a micropiezoelectric motor internally installed
CN100365840C (zh) 平面型复合结构超声换能器
JP2009505467A (ja) 超音波トランスデューサアレイ
CN1957851A (zh) 超声波探头和超声波诊断装置
Hynynen et al. Lateral mode coupling to reduce the electrical impedance of small elements required for high power ultrasound therapy phased arrays
KR100424351B1 (ko) 초음파 세정장치
JP2021096224A (ja) 受動超音波センサ及び使用方法
CN202956167U (zh) 一种具有多量程自适应功能的超声波液位计
Bhuyan et al. Miniaturized, wearable, ultrasound probe for on-demand ultrasound screening

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees