JPS5761239B2 - - Google Patents

Info

Publication number
JPS5761239B2
JPS5761239B2 JP53040416A JP4041678A JPS5761239B2 JP S5761239 B2 JPS5761239 B2 JP S5761239B2 JP 53040416 A JP53040416 A JP 53040416A JP 4041678 A JP4041678 A JP 4041678A JP S5761239 B2 JPS5761239 B2 JP S5761239B2
Authority
JP
Japan
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
JP53040416A
Other versions
JPS53125821A (en
Inventor
Bosutsuma De Boeru Abe
Uiremu Bekuto Yan
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPS53125821A publication Critical patent/JPS53125821A/ja
Publication of JPS5761239B2 publication Critical patent/JPS5761239B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • 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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers

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)
JP4041678A 1977-04-07 1978-04-07 Electric sound apparatus Granted JPS53125821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7703836A NL7703836A (nl) 1977-04-07 1977-04-07 Een membraan bestaande uit tenminste een folie van een piezoelektrisch polymeermateriaal.

Publications (2)

Publication Number Publication Date
JPS53125821A JPS53125821A (en) 1978-11-02
JPS5761239B2 true JPS5761239B2 (ja) 1982-12-23

Family

ID=19828323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4041678A Granted JPS53125821A (en) 1977-04-07 1978-04-07 Electric sound apparatus

Country Status (7)

Country Link
US (1) US4578613A (ja)
JP (1) JPS53125821A (ja)
AT (1) AT363528B (ja)
DE (1) DE2813861C2 (ja)
FR (1) FR2386953A1 (ja)
GB (1) GB1597615A (ja)
NL (1) NL7703836A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624935A (ja) * 1985-06-26 1987-01-10 ロツクウエル　インタ−ナシヨナル　コ−ポレ−シヨン ブレ−キスパイダとブレ−キサポ−ト組立体

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2156521B (en) * 1984-03-27 1987-09-09 Nat Res Dev Finding the direction of a sound
US5069067A (en) * 1988-06-10 1991-12-03 Select Corporation Fluid flow meter
IL86705A0 (en) * 1988-06-10 1988-11-30 Sotek Ind Engineering Ltd Fluid flow metering apparatus
USRE35114E (en) * 1988-06-10 1995-12-12 Measurement Technology International Fluid flow meter
USRE36658E (en) * 1988-06-29 2000-04-18 Measurement Technology International Fluid flow meter
JPH05507183A (ja) * 1990-04-27 1993-10-14 コモンウェルス・サイエンティフィック・アンド・インダストリアル・リサーチ・オーガナイゼイション 超音波変換器
US5434830A (en) * 1990-04-27 1995-07-18 Commonwealth Scientific And Industrial Research Organization Ultrasonic transducer
NZ243294A (en) * 1991-06-25 1995-04-27 Commw Scient Ind Res Org Time of flight of acoustic wave packets through fluid: reduction of higher order acoustic mode effects
US5350966A (en) * 1991-11-12 1994-09-27 Rockwell International Corporation Piezocellular propulsion
US5283835A (en) * 1991-11-15 1994-02-01 Athanas Lewis S Ferroelectric composite film acoustic transducer
US5321332A (en) * 1992-11-12 1994-06-14 The Whitaker Corporation Wideband ultrasonic transducer
US5347862A (en) * 1992-11-23 1994-09-20 Dov Ingman Fluid flow meter
US5553503A (en) 1994-10-11 1996-09-10 Manometrx Group Ltd Measurement of fluid pressure such as blood pressure
GB2358546B (en) * 1998-11-13 2002-01-23 Nec Corp Piezoelectric diaphragm and piezoelectric speaker
JP3597061B2 (ja) 1998-11-13 2004-12-02 日本電気株式会社 圧電スピーカ
JP4136221B2 (ja) 1999-09-09 2008-08-20 本田技研工業株式会社 スピーカ内蔵ヘルメットおよびヘルメット用スピーカ
JP4363554B2 (ja) * 1999-10-08 2009-11-11 タイコエレクトロニクスアンプ株式会社 二輪車ライダー用スピーカ内蔵ヘルメット
US7015624B1 (en) 1999-10-22 2006-03-21 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-uniform thickness electroactive device
AU1340501A (en) 1999-10-22 2001-05-08 Government of the United States of America as represented by the Administrator of the National Aeronautics and Space Administration (NASA), The Membrane position control
US6724130B1 (en) 1999-10-22 2004-04-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Membrane position control
US6720708B2 (en) * 2000-01-07 2004-04-13 Lewis Athanas Mechanical-to-acoustical transformer and multi-media flat film speaker
US6661161B1 (en) * 2002-06-27 2003-12-09 Andromed Inc. Piezoelectric biological sound monitor with printed circuit board
DE10393505D2 (de) * 2002-07-22 2005-06-23 Hans-Werner Bender Schallapplikator-Vorrichtung zur Verbesserung der Behandlungsbedingungen
WO2006130782A2 (en) * 2005-05-31 2006-12-07 Unison Products Diaphragm membrane and supporting structure responsive to environmental conditions
US20090093687A1 (en) * 2007-03-08 2009-04-09 Telfort Valery G Systems and methods for determining a physiological condition using an acoustic monitor
WO2009067669A1 (en) * 2007-11-21 2009-05-28 Emo Labs, Inc.. Wireless loudspeaker
US8771204B2 (en) * 2008-12-30 2014-07-08 Masimo Corporation Acoustic sensor assembly
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
US20110044476A1 (en) * 2009-08-14 2011-02-24 Emo Labs, Inc. System to generate electrical signals for a loudspeaker
US8790268B2 (en) 2009-10-15 2014-07-29 Masimo Corporation Bidirectional physiological information display
EP2488106B1 (en) * 2009-10-15 2020-07-08 Masimo Corporation Acoustic respiratory monitoring sensor having multiple sensing elements
WO2011047216A2 (en) 2009-10-15 2011-04-21 Masimo Corporation Physiological acoustic monitoring system
US10463340B2 (en) 2009-10-15 2019-11-05 Masimo Corporation Acoustic respiratory monitoring systems and methods
GB2487882B (en) 2009-12-04 2017-03-29 Masimo Corp Calibration for multi-stage physiological monitors
US9326712B1 (en) 2010-06-02 2016-05-03 Masimo Corporation Opticoustic sensor
US9192351B1 (en) 2011-07-22 2015-11-24 Masimo Corporation Acoustic respiratory monitoring sensor with probe-off detection
EP2765909B1 (en) 2011-10-13 2019-06-26 Masimo Corporation Physiological acoustic monitoring system
US9955937B2 (en) 2012-09-20 2018-05-01 Masimo Corporation Acoustic patient sensor coupler
CN105228757A (zh) * 2013-03-15 2016-01-06 埃莫实验室公司 具有弯曲限制部件的声换能器
US10828007B1 (en) 2013-10-11 2020-11-10 Masimo Corporation Acoustic sensor with attachment portion
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
JP6130807B2 (ja) * 2014-03-31 2017-05-17 富士フイルム株式会社 電気音響変換器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50146324A (ja) * 1974-05-15 1975-11-25
JPS5181220A (ja) * 1975-01-09 1976-07-16 Nippon Soken Haikigasujokasochi
JPS5274332A (en) * 1975-12-17 1977-06-22 Matsushita Electric Ind Co Ltd Electric acoustic converter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR941286A (fr) * 1947-06-24 1949-01-06 Bilame à magnétostriction
DE1902849C3 (de) * 1968-01-25 1978-06-29 Pioneer Electronic Corp., Tokio Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler
JPS4926890B1 (ja) * 1970-12-04 1974-07-12
JPS4829420A (ja) * 1971-08-20 1973-04-19
US3816774A (en) * 1972-01-28 1974-06-11 Victor Company Of Japan Curved piezoelectric elements
JPS5410918Y2 (ja) * 1973-12-28 1979-05-18
JPS5745760Y2 (ja) * 1974-02-18 1982-10-08
JPS5215972B2 (ja) * 1974-02-28 1977-05-06
GB1515287A (en) * 1974-05-30 1978-06-21 Plessey Co Ltd Piezoelectric transducers
NL7502453A (nl) * 1975-03-03 1976-09-07 Philips Nv Inrichting voor het omzetten van elektrische in akoestische trillingen en omgekeerd, voorzien van een membraan, bevattende tenminste een laag piezo-elektrisch polymeer materiaal.
GB1520118A (en) * 1975-08-11 1978-08-02 Rank Organisation Ltd Transducers
JPS5333613A (en) * 1976-09-09 1978-03-29 Matsushita Electric Ind Co Ltd Microphone and its manufacture
US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50146324A (ja) * 1974-05-15 1975-11-25
JPS5181220A (ja) * 1975-01-09 1976-07-16 Nippon Soken Haikigasujokasochi
JPS5274332A (en) * 1975-12-17 1977-06-22 Matsushita Electric Ind Co Ltd Electric acoustic converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624935A (ja) * 1985-06-26 1987-01-10 ロツクウエル　インタ−ナシヨナル　コ−ポレ−シヨン ブレ−キスパイダとブレ−キサポ−ト組立体

Also Published As

Publication number Publication date
US4578613A (en) 1986-03-25
JPS53125821A (en) 1978-11-02
ATA236278A (de) 1981-01-15
DE2813861A1 (de) 1978-10-19
GB1597615A (en) 1981-09-09
AT363528B (de) 1981-08-10
FR2386953B1 (ja) 1984-06-08
NL7703836A (nl) 1977-06-30
FR2386953A1 (fr) 1978-11-03
DE2813861C2 (de) 1982-01-21

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