FR2239071B3 - - Google Patents

Info

Publication number
FR2239071B3
FR2239071B3 FR7425945A FR7425945A FR2239071B3 FR 2239071 B3 FR2239071 B3 FR 2239071B3 FR 7425945 A FR7425945 A FR 7425945A FR 7425945 A FR7425945 A FR 7425945A FR 2239071 B3 FR2239071 B3 FR 2239071B3
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
FR7425945A
Other languages
French (fr)
Other versions
FR2239071A1 (ja
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.)
Duracell Inc USA
Original Assignee
PR Mallory and Co 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 PR Mallory and Co Inc filed Critical PR Mallory and Co Inc
Publication of FR2239071A1 publication Critical patent/FR2239071A1/fr
Application granted granted Critical
Publication of FR2239071B3 publication Critical patent/FR2239071B3/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR7425945A 1973-07-26 1974-07-25 Expired FR2239071B3 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38293173A 1973-07-26 1973-07-26

Publications (2)

Publication Number Publication Date
FR2239071A1 FR2239071A1 (ja) 1975-02-21
FR2239071B3 true FR2239071B3 (ja) 1977-05-20

Family

ID=23511011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425945A Expired FR2239071B3 (ja) 1973-07-26 1974-07-25

Country Status (7)

Country Link
JP (1) JPS5829680B2 (ja)
BR (1) BR7405611D0 (ja)
CA (1) CA1006969A (ja)
DE (1) DE2435910C2 (ja)
FR (1) FR2239071B3 (ja)
GB (1) GB1428589A (ja)
IT (1) IT1016669B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1087004A (en) * 1976-08-11 1980-10-07 Michael J. Hampshire Sound generator
US4228379A (en) * 1978-08-28 1980-10-14 American District Telegraph Company Diaphragm type piezoelectric electroacoustic transducer
DE4015253A1 (de) * 1990-05-12 1991-11-14 Hoechst Ceram Tec Ag Piezoelektrischer tongeber und verfahren zu seiner herstellung
JP2915716B2 (ja) * 1992-08-26 1999-07-05 ティーディーケイ株式会社 電子部品
US6959484B1 (en) 1994-01-27 2005-11-01 Cymer, Inc. System for vibration control
US6420819B1 (en) 1994-01-27 2002-07-16 Active Control Experts, Inc. Packaged strain actuator
US6791098B2 (en) 1994-01-27 2004-09-14 Cymer, Inc. Multi-input, multi-output motion control for lithography system
US6404107B1 (en) 1994-01-27 2002-06-11 Active Control Experts, Inc. Packaged strain actuator
WO2006054674A1 (ja) 2004-11-19 2006-05-26 Toyoda Van Moppes Ltd. 砥石車
RU2768297C1 (ru) * 2021-07-06 2022-03-23 АКЦИОНЕРНОЕ ОБЩЕСТВО "КОНЦЕРН "МОРСКОЕ ПОДВОДНОЕ ОРУЖИЕ - ГИДРОПРИБОР" (АО "Концерн "МПО-Гидроприбор") Составной электроакустический преобразователь

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4222078Y1 (ja) * 1965-01-14 1967-12-16
US3440648A (en) * 1968-05-09 1969-04-22 Mallory & Co Inc P R Integrated-circuit amplifier and oscillator
US3588552A (en) * 1969-09-23 1971-06-28 Motorola Inc Prestressed piezoelectric audio transducer
CA930211A (en) * 1970-08-20 1973-07-17 Johnson Matthey And Mallory Limited Piezoelectric transducer and noise making device utilizing same

Also Published As

Publication number Publication date
DE2435910C2 (de) 1985-01-24
CA1006969A (en) 1977-03-15
GB1428589A (en) 1976-03-17
FR2239071A1 (ja) 1975-02-21
BR7405611D0 (pt) 1975-05-13
DE2435910A1 (de) 1975-02-27
JPS5044789A (ja) 1975-04-22
JPS5829680B2 (ja) 1983-06-24
IT1016669B (it) 1977-06-20

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