DE4017276C2 - - Google Patents

Info

Publication number
DE4017276C2
DE4017276C2 DE4017276A DE4017276A DE4017276C2 DE 4017276 C2 DE4017276 C2 DE 4017276C2 DE 4017276 A DE4017276 A DE 4017276A DE 4017276 A DE4017276 A DE 4017276A DE 4017276 C2 DE4017276 C2 DE 4017276C2
Authority
DE
Germany
Prior art keywords
liquid crystal
base plates
crystal panel
sound
piezoelectric
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.)
Expired - Lifetime
Application number
DE4017276A
Other languages
German (de)
English (en)
Other versions
DE4017276A1 (de
Inventor
Shinichi Okamoto
Hirokazu Ono
Masanori Tokio/Tokyo Jp Fujita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seikosha KK
Original Assignee
Seikosha KK
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
Priority claimed from JP1138516A external-priority patent/JPH034700A/ja
Priority claimed from JP1152523A external-priority patent/JP2508274B2/ja
Application filed by Seikosha KK filed Critical Seikosha KK
Publication of DE4017276A1 publication Critical patent/DE4017276A1/de
Application granted granted Critical
Publication of DE4017276C2 publication Critical patent/DE4017276C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B06B1/06—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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • 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
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Liquid Crystal (AREA)
DE4017276A 1989-05-31 1990-05-29 Piezoelektrischer wandler und schallgenerator Granted DE4017276A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1138516A JPH034700A (ja) 1989-05-31 1989-05-31 発音装置
JP1152523A JP2508274B2 (ja) 1989-06-15 1989-06-15 圧電変換装置

Publications (2)

Publication Number Publication Date
DE4017276A1 DE4017276A1 (de) 1990-12-06
DE4017276C2 true DE4017276C2 (US20050065096A1-20050324-C00034.png) 1992-12-24

Family

ID=26471523

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4017276A Granted DE4017276A1 (de) 1989-05-31 1990-05-29 Piezoelektrischer wandler und schallgenerator

Country Status (4)

Country Link
US (1) US5105116A (US20050065096A1-20050324-C00034.png)
KR (1) KR930009597B1 (US20050065096A1-20050324-C00034.png)
DE (1) DE4017276A1 (US20050065096A1-20050324-C00034.png)
GB (1) GB2234110B (US20050065096A1-20050324-C00034.png)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW240240B (US20050065096A1-20050324-C00034.png) * 1992-03-27 1995-02-11 Philips Nv
CN1239127C (zh) * 2000-07-13 2006-02-01 普罗里森姆股份有限公司 带有可膨胀的环形透镜的能量施加装置
CA2415134C (en) * 2000-07-13 2015-09-22 Transurgical, Inc. Thermal treatment methods and apparatus with focused energy application
US6763722B2 (en) * 2001-07-13 2004-07-20 Transurgical, Inc. Ultrasonic transducers
US20040082859A1 (en) 2002-07-01 2004-04-29 Alan Schaer Method and apparatus employing ultrasound energy to treat body sphincters
CN1764419A (zh) * 2003-02-20 2006-04-26 普罗里森姆股份有限公司 心脏消融装置
WO2007136566A2 (en) * 2006-05-19 2007-11-29 Prorhythm, Inc. Ablation device with optimized input power profile and method of using the same
US20090142579A1 (en) * 2007-11-30 2009-06-04 Honeywell International, Inc. High security window film with sensing capability
WO2010080886A1 (en) 2009-01-09 2010-07-15 Recor Medical, Inc. Methods and apparatus for treatment of mitral valve in insufficiency
KR101324658B1 (ko) * 2009-05-11 2013-11-04 주식회사 아이브이웍스 반사 방식의 디스플레이 및 그 제조 방법
GB2496070B (en) * 2010-08-24 2017-03-01 Murata Manufacturing Co Ultrasonic generator
WO2016094582A1 (en) * 2014-12-10 2016-06-16 Epstein Jacob H Safe, wireless, integrated audio device for helmets
FR3061568B1 (fr) * 2017-01-04 2021-09-10 Hap2U Dalle tactile vibrante

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299724B (de) * 1966-10-21 1969-07-24 Siemens Ag Mikrophonkapsel mit einem piezoelektrischen Wandlerelement und einem Transistorverstaerker
US3761956A (en) * 1970-10-01 1973-09-25 Nittan Co Ltd Sound generating device
US3970879A (en) * 1971-12-29 1976-07-20 Sumitomo Electric Industries, Ltd. Piezoelectric acoustic device
DE3230060C2 (de) * 1981-07-31 1986-07-31 Sumitomo Electric Industries, Ltd., Osaka Piezoelektrischer Summer
JP2530432B2 (ja) * 1986-07-22 1996-09-04 キヤノン株式会社 液晶素子
JPS63204313A (ja) * 1987-02-19 1988-08-24 Semiconductor Energy Lab Co Ltd 圧力感知装置
JP2709318B2 (ja) * 1988-08-31 1998-02-04 セイコープレシジョン株式会社 液晶パネルおよび液晶パネルを用いた変換装置

Also Published As

Publication number Publication date
GB9011337D0 (en) 1990-07-11
KR930009597B1 (ko) 1993-10-07
GB2234110A (en) 1991-01-23
KR900019277A (ko) 1990-12-24
US5105116A (en) 1992-04-14
DE4017276A1 (de) 1990-12-06
GB2234110B (en) 1993-04-21

Similar Documents

Publication Publication Date Title
DE4017276C2 (US20050065096A1-20050324-C00034.png)
DE3731196C2 (US20050065096A1-20050324-C00034.png)
DE112005002562B4 (de) Vorrichtung zur Erregung einer akustischen Oberflächenwelle
DE1902849C3 (de) Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler
DE19857946C1 (de) Mikroschwingspiegel
DE2253833C3 (de) Piezoelektrisches elektroakustisches Wandlerelement
DE602005006419T2 (de) Elektroakustischer Wandler für Hochfrequenzanwendungen
KR930001568B1 (ko) 압전소자 및 압전소자를 사용한 변환장치
EP0041664B1 (de) Verfahren zur Herstellung einer Ultraschallwandleranordnung
DE69635870T2 (de) Wandler aus elektroaktivem metall-keramik-komposit
DE69534337T2 (de) Gehäuster zugaktuator
US6781285B1 (en) Packaged strain actuator
US20150273526A1 (en) Piezoelectric element, piezoelectric device, probe, electronic machine, and ultrasonic image apparatus
DE3005708C2 (de) Wandlerplatte für piezoelektrische Wandler
DE3815359A1 (de) Sender/empfaenger eines ultraschall-entfernungsmessgeraetes
Maréchal et al. High-frequency transducers based on integrated piezoelectric thick films for medical imaging
EP1059620B1 (de) Piezo-Effekt-basiertes Sicherheitsmerkmal an Wert- und Sicherheitsdokumenten und dazugehöriges Nachweisverfahren
DE4412964C2 (de) Resonator
EP1277243A1 (de) Piezokeramischer mehrschichtbauteil für messgeräte sowie dessen herstellungsverfahren
DE10354026A1 (de) Piezoelektrische Membran und diese piezoelektrischer elektroakustischer Wandler unter Verwendung derselben
DE112013003842T5 (de) Piezoelektrische Vorrichtung, Piezoelektrisches Stellglied, Festplattenlaufwerk, Tintenstrahldrucker-Einrichtung und Piezoelektrischer Sensor
DE4033091C1 (en) Controlling elastic characteristics of sensor - by embedding electrostrictive fibres in electroconductive matrix on non-conductive matrix e.g. of silicon carbide
DE2618720C3 (de) Piezoelektrischer Schalter
WO2002066267A2 (de) Piezoelektrischer transducer zur ultraschallerzeugung
DE3419256C2 (de) Elektroakustische Wandlereinrichtung

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING

8339 Ceased/non-payment of the annual fee