FR2116473B1 - - Google Patents

Info

Publication number
FR2116473B1
FR2116473B1 FR7143142A FR7143142A FR2116473B1 FR 2116473 B1 FR2116473 B1 FR 2116473B1 FR 7143142 A FR7143142 A FR 7143142A FR 7143142 A FR7143142 A FR 7143142A FR 2116473 B1 FR2116473 B1 FR 2116473B1
Authority
FR
France
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
Application number
FR7143142A
Other languages
French (fr)
Other versions
FR2116473A1 (en
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.)
Tibbetts Industries Inc
Original Assignee
Tibbetts Industries Inc
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 Inc filed Critical Tibbetts Industries Inc
Publication of FR2116473A1 publication Critical patent/FR2116473A1/fr
Application granted granted Critical
Publication of FR2116473B1 publication Critical patent/FR2116473B1/fr
Expired 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
    • 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)
FR7143142A 1970-12-02 1971-12-01 Expired FR2116473B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2116473A1 FR2116473A1 (en) 1972-07-13
FR2116473B1 true FR2116473B1 (en) 1975-08-29

Family

ID=22243917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7143142A Expired FR2116473B1 (en) 1970-12-02 1971-12-01

Country Status (11)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282677A1 (en) * 1974-08-22 1976-03-19 Tretiakoff Oleg POCKET ELECTRONIC CALCULATOR FOR THE BLIND
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
WO2014097668A1 (en) * 2012-12-17 2014-06-26 京セラ株式会社 Acoustic generator, acoustic genera tion device, and electronic device
WO2014103951A1 (en) * 2012-12-25 2014-07-03 京セラ株式会社 Sound generator, sound generation device and electronic device
WO2014103424A1 (en) * 2012-12-25 2014-07-03 京セラ株式会社 Sound generator, sound generation device and electronic device
US10284986B2 (en) * 2015-04-29 2019-05-07 Goertek Inc. Piezoelectric speaker and method for forming the same
US11800293B2 (en) * 2020-06-15 2023-10-24 Lg Display Co., Ltd. Sound apparatus
JP7123196B2 (en) * 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 Sound generator and sound device

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 (en) * 1967-09-05 1969-05-15 Kistler Instrumente Ag Setup with a multi-component piezo measuring cell

Also Published As

Publication number Publication date
DE2158723C3 (en) 1980-07-03
FR2116473A1 (en) 1972-07-13
IT945061B (en) 1973-05-10
CH571799A5 (en) 1976-01-15
ES397051A1 (en) 1975-03-01
US3697790A (en) 1972-10-10
GB1365085A (en) 1974-08-29
AU3644171A (en) 1973-06-21
DE2158723B2 (en) 1979-10-11
NL7112773A (en) 1972-06-06
DE2158723A1 (en) 1972-06-15
JPS5438490B1 (en) 1979-11-21
AT310273B (en) 1973-09-25
CA941953A (en) 1974-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse