IT945061B - Perfezionamento nei trasduttori elettromeccanici o elettroacustici del tipo piezoelettrico - Google Patents

Perfezionamento nei trasduttori elettromeccanici o elettroacustici del tipo piezoelettrico

Info

Publication number
IT945061B
IT945061B IT54236/71A IT5423671A IT945061B IT 945061 B IT945061 B IT 945061B IT 54236/71 A IT54236/71 A IT 54236/71A IT 5423671 A IT5423671 A IT 5423671A IT 945061 B IT945061 B IT 945061B
Authority
IT
Italy
Prior art keywords
electromechanical
improvement
piezoelectric type
electroacoustic transducers
electroacoustic
Prior art date
Application number
IT54236/71A
Other languages
English (en)
Italian (it)
Original Assignee
Tibbetts Industries
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 Tibbetts Industries filed Critical Tibbetts Industries
Application granted granted Critical
Publication of IT945061B publication Critical patent/IT945061B/it

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
    • B06B1/0644—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 a single piezoelectric element
    • B06B1/0648—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 a single piezoelectric element of rectangular shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
IT54236/71A 1970-12-02 1971-11-20 Perfezionamento nei trasduttori elettromeccanici o elettroacustici del tipo piezoelettrico IT945061B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9423270A 1970-12-02 1970-12-02

Publications (1)

Publication Number Publication Date
IT945061B true IT945061B (it) 1973-05-10

Family

ID=22243917

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54236/71A IT945061B (it) 1970-12-02 1971-11-20 Perfezionamento nei trasduttori elettromeccanici o elettroacustici del tipo piezoelettrico

Country Status (11)

Country Link
US (1) US3697790A (es)
JP (1) JPS5438490B1 (es)
AT (1) AT310273B (es)
CA (1) CA941953A (es)
CH (1) CH571799A5 (es)
DE (1) DE2158723C3 (es)
ES (1) ES397051A1 (es)
FR (1) FR2116473B1 (es)
GB (1) GB1365085A (es)
IT (1) IT945061B (es)
NL (1) NL7112773A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282677A1 (fr) * 1974-08-22 1976-03-19 Tretiakoff Oleg Calculatrice electronique de poche pour aveugles
US4318023A (en) * 1980-02-21 1982-03-02 Physics International Company Sagittally amplified piezoelectric actuator
US4933591A (en) * 1988-01-06 1990-06-12 Ford Aerospace Corporation Double saggital pull stroke amplifier
US6715363B1 (en) * 1998-02-20 2004-04-06 Wilcoxon Research, Inc. Method and apparatus for strain amplification for piezoelectric transducers
GB0221503D0 (en) * 2002-09-17 2002-10-23 1 Ltd Loudspeaker
US7620193B2 (en) * 2002-12-20 2009-11-17 Newlands Technology Limited Acoustic actuators
GB0229954D0 (en) * 2002-12-20 2003-01-29 Newlands Technology Ltd Actuator
WO2011046508A1 (en) * 2009-10-16 2011-04-21 Siemens Medical Instruments Pte Ltd Elastomeric suspensions and integrated frame structures for electronic components
CN103999482B (zh) * 2012-12-17 2017-02-22 京瓷株式会社 声音产生器、声音产生装置及电子设备
WO2014103951A1 (ja) * 2012-12-25 2014-07-03 京セラ株式会社 音響発生器、音響発生装置および電子機器
WO2014103424A1 (ja) * 2012-12-25 2014-07-03 京セラ株式会社 音響発生器、音響発生装置および電子機器
US10284986B2 (en) * 2015-04-29 2019-05-07 Goertek Inc. Piezoelectric speaker and method for forming the same
KR20210155770A (ko) * 2020-06-15 2021-12-23 엘지디스플레이 주식회사 음향 장치
JP7123196B2 (ja) * 2021-01-06 2022-08-22 エルジー ディスプレイ カンパニー リミテッド 音響発生器及び音響装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386279A (en) * 1942-07-21 1945-10-09 Raymond W Tibbetts Piezoelectric device
US2421586A (en) * 1944-09-20 1947-06-03 Tibbetts Lab Inc Piezoelectric device
US2403692A (en) * 1944-12-29 1946-07-09 George C Tibbetts Piezoelectric device
US2877362A (en) * 1954-10-29 1959-03-10 Tibbetts Lab Inc Transducer sealing
US2912605A (en) * 1955-12-05 1959-11-10 Tibbetts Lab Inc Electromechanical transducer
US3277433A (en) * 1963-10-17 1966-10-04 William J Toulis Flexural-extensional electromechanical transducer
US3292020A (en) * 1963-11-01 1966-12-13 Bendix Corp Transducer
US3383914A (en) * 1965-10-23 1968-05-21 Cornell Aeronautical Labor Inc Skin friction transducer
US3545283A (en) * 1966-07-25 1970-12-08 Electra Scient Corp Non-linear accelerometer
US3558936A (en) * 1967-07-19 1971-01-26 John J Horan Resonant energy-conversion system
CH472668A (de) * 1967-09-05 1969-05-15 Kistler Instrumente Ag Einrichtung mit einer Mehrkomponenten-Piezomesszelle

Also Published As

Publication number Publication date
JPS5438490B1 (es) 1979-11-21
DE2158723C3 (de) 1980-07-03
FR2116473B1 (es) 1975-08-29
DE2158723B2 (es) 1979-10-11
AT310273B (de) 1973-09-25
CA941953A (en) 1974-02-12
ES397051A1 (es) 1975-03-01
FR2116473A1 (es) 1972-07-13
GB1365085A (en) 1974-08-29
DE2158723A1 (de) 1972-06-15
US3697790A (en) 1972-10-10
AU3644171A (en) 1973-06-21
NL7112773A (es) 1972-06-06
CH571799A5 (es) 1976-01-15

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