CN103250430A - 振荡器设备和电子仪器 - Google Patents
振荡器设备和电子仪器 Download PDFInfo
- Publication number
- CN103250430A CN103250430A CN2011800613931A CN201180061393A CN103250430A CN 103250430 A CN103250430 A CN 103250430A CN 2011800613931 A CN2011800613931 A CN 2011800613931A CN 201180061393 A CN201180061393 A CN 201180061393A CN 103250430 A CN103250430 A CN 103250430A
- Authority
- CN
- China
- Prior art keywords
- oscillator device
- piezoelectric
- elastic component
- piezoelectric vibrator
- ultrasonic wave
- 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.)
- Pending
Links
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- 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
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
- B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
-
- 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
- B06B1/0607—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 using multiple elements
- B06B1/0622—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 using multiple elements on one surface
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/403—Linear arrays of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-282662 | 2010-12-20 | ||
JP2010282662 | 2010-12-20 | ||
PCT/JP2011/006520 WO2012086124A1 (ja) | 2010-12-20 | 2011-11-24 | 発振装置および電子機器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103250430A true CN103250430A (zh) | 2013-08-14 |
Family
ID=46313419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011800613931A Pending CN103250430A (zh) | 2010-12-20 | 2011-11-24 | 振荡器设备和电子仪器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130257552A1 (zh) |
EP (1) | EP2658287A4 (zh) |
JP (1) | JP5900348B2 (zh) |
CN (1) | CN103250430A (zh) |
WO (1) | WO2012086124A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109792580A (zh) * | 2016-09-30 | 2019-05-21 | 奥林巴斯株式会社 | 超声波转换器及超声波转换器的制造方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5803917B2 (ja) * | 2010-07-23 | 2015-11-04 | 日本電気株式会社 | 発振装置および電子機器 |
JP7361473B2 (ja) * | 2019-01-21 | 2023-10-16 | Tdk株式会社 | 音響装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0181506A2 (en) * | 1984-10-15 | 1986-05-21 | Edo Corporation/Western Division | Flexible piezoelectric transducer assembly |
CN1331901A (zh) * | 1998-09-24 | 2002-01-16 | 美国技术公司 | 带有电声隔膜换能器的参量扬声器 |
WO2006005938A1 (en) * | 2004-07-13 | 2006-01-19 | 1...Limited | Portable speaker system |
US20070247028A1 (en) * | 2006-03-14 | 2007-10-25 | Jared Brosch | High temperature piezo buzzer |
US20080239870A1 (en) * | 2007-03-26 | 2008-10-02 | Furuno Electric Co., Ltd. | Underwater Detection Device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3878477A (en) * | 1974-01-08 | 1975-04-15 | Hewlett Packard Co | Acoustic surface wave oscillator force-sensing devices |
JPH0293362A (ja) * | 1988-09-30 | 1990-04-04 | Toshiba Corp | 超音波プローブ |
US5196755A (en) * | 1992-04-27 | 1993-03-23 | Shields F Douglas | Piezoelectric panel speaker |
US6812624B1 (en) * | 1999-07-20 | 2004-11-02 | Sri International | Electroactive polymers |
JPH11331985A (ja) | 1998-05-12 | 1999-11-30 | Murata Mfg Co Ltd | スピーカ |
US6775388B1 (en) * | 1998-07-16 | 2004-08-10 | Massachusetts Institute Of Technology | Ultrasonic transducers |
JP2004023436A (ja) * | 2002-06-17 | 2004-01-22 | Nihon Ceratec Co Ltd | 圧電スピーカ |
JP2004221903A (ja) * | 2003-01-14 | 2004-08-05 | Sony Corp | 圧電発音素子及びその製造方法 |
WO2007083497A1 (ja) * | 2005-12-27 | 2007-07-26 | Nec Corporation | 圧電アクチュエータおよび電子機器 |
US8946972B2 (en) * | 2006-08-16 | 2015-02-03 | Siemens Medical Solutions Usa, Inc. | Layer switching for an ultrasound transducer array |
JP4984748B2 (ja) * | 2006-08-30 | 2012-07-25 | 株式会社デンソー | 操作者判定装置及び操作者判定装置を備えた車載用装置 |
JP4967725B2 (ja) * | 2007-03-12 | 2012-07-04 | ヤマハ株式会社 | アレイスピーカ及びスピーカ装置 |
JP5145334B2 (ja) | 2007-05-21 | 2013-02-13 | パナソニック株式会社 | スピーカ装置 |
JP2009060501A (ja) * | 2007-09-03 | 2009-03-19 | Fujifilm Corp | バッキング材、超音波探触子、超音波内視鏡、超音波診断装置、及び、超音波内視鏡装置 |
JP5044686B2 (ja) | 2010-09-15 | 2012-10-10 | 株式会社三菱東京Ufj銀行 | メール不達判定装置及びプログラム |
-
2011
- 2011-11-24 JP JP2012549607A patent/JP5900348B2/ja not_active Expired - Fee Related
- 2011-11-24 US US13/991,273 patent/US20130257552A1/en not_active Abandoned
- 2011-11-24 CN CN2011800613931A patent/CN103250430A/zh active Pending
- 2011-11-24 WO PCT/JP2011/006520 patent/WO2012086124A1/ja active Application Filing
- 2011-11-24 EP EP11851199.7A patent/EP2658287A4/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0181506A2 (en) * | 1984-10-15 | 1986-05-21 | Edo Corporation/Western Division | Flexible piezoelectric transducer assembly |
CN1331901A (zh) * | 1998-09-24 | 2002-01-16 | 美国技术公司 | 带有电声隔膜换能器的参量扬声器 |
WO2006005938A1 (en) * | 2004-07-13 | 2006-01-19 | 1...Limited | Portable speaker system |
US20070247028A1 (en) * | 2006-03-14 | 2007-10-25 | Jared Brosch | High temperature piezo buzzer |
US20080239870A1 (en) * | 2007-03-26 | 2008-10-02 | Furuno Electric Co., Ltd. | Underwater Detection Device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109792580A (zh) * | 2016-09-30 | 2019-05-21 | 奥林巴斯株式会社 | 超声波转换器及超声波转换器的制造方法 |
CN109792580B (zh) * | 2016-09-30 | 2020-11-10 | 奥林巴斯株式会社 | 超声波转换器及超声波转换器的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2658287A4 (en) | 2014-06-11 |
WO2012086124A1 (ja) | 2012-06-28 |
JPWO2012086124A1 (ja) | 2014-05-22 |
JP5900348B2 (ja) | 2016-04-06 |
EP2658287A1 (en) | 2013-10-30 |
US20130257552A1 (en) | 2013-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NEC CORP. Free format text: FORMER OWNER: NEC MOBILE COMMUNICATION, LTD. Effective date: 20150730 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Kawasaki, Kanagawa, Japan Applicant after: NEC Mobile Communications Ltd. Address before: Kawasaki, Kanagawa, Japan Applicant before: NEC CASIO Mobile Communications, Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: NEC CASIO MOBILE COMMUNICATIONS, LTD. TO: NEC MOBILE COMMUNICATION, LTD. Free format text: CORRECT: ADDRESS; FROM: |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20150730 Address after: Tokyo, Japan Applicant after: NEC Corp. Address before: Kawasaki, Kanagawa, Japan Applicant before: NEC Mobile Communications Ltd. |
|
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130814 |
|
RJ01 | Rejection of invention patent application after publication |