FR2968820B1 - SOUND TRANSDUCER COMPRISING AT LEAST ONE PIEZOELECTRIC ELEMENT - Google Patents

SOUND TRANSDUCER COMPRISING AT LEAST ONE PIEZOELECTRIC ELEMENT Download PDF

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Publication number
FR2968820B1
FR2968820B1 FR1103832A FR1103832A FR2968820B1 FR 2968820 B1 FR2968820 B1 FR 2968820B1 FR 1103832 A FR1103832 A FR 1103832A FR 1103832 A FR1103832 A FR 1103832A FR 2968820 B1 FR2968820 B1 FR 2968820B1
Authority
FR
France
Prior art keywords
sound transducer
piezoelectric element
mass
piezoelectric
fastening
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 - Fee Related
Application number
FR1103832A
Other languages
French (fr)
Other versions
FR2968820A1 (en
Inventor
Martin Abele
Karl Bendel
Andre Gerlach
Marko Lieber
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2968820A1 publication Critical patent/FR2968820A1/en
Application granted granted Critical
Publication of FR2968820B1 publication Critical patent/FR2968820B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521—Constructional features
    • 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
    • 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
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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
    • H04R17/02—Microphones
    • 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
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

Transducteur de son (1) comportant au moins un élément piézoélectrique (10) et un élément de fixation (12), couplé à un plan de fixation. L'élément de fixation (12) est un élément de ressort et le transducteur de son (1) comporte un élément massique (14). L'élément piézo-électrique (10) est en contact avec l'élément de fixation (12) et avec l'élément massique (14) de façon à générer le comportement oscillant résonant du transducteur de son (1).Sound transducer (1) comprising at least one piezoelectric element (10) and a fastening element (12), coupled to an attachment plane. The fastening element (12) is a spring element and the sound transducer (1) has a mass element (14). The piezoelectric element (10) is in contact with the fixing element (12) and with the mass element (14) so as to generate the resonant oscillating behavior of the sound transducer (1).

FR1103832A 2010-12-14 2011-12-14 SOUND TRANSDUCER COMPRISING AT LEAST ONE PIEZOELECTRIC ELEMENT Expired - Fee Related FR2968820B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010063001A DE102010063001A1 (en) 2010-12-14 2010-12-14 Sound transducer with at least one piezoelectric element
DE102010063001.2 2010-12-14

Publications (2)

Publication Number Publication Date
FR2968820A1 FR2968820A1 (en) 2012-06-15
FR2968820B1 true FR2968820B1 (en) 2019-04-12

Family

ID=45560414

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1103832A Expired - Fee Related FR2968820B1 (en) 2010-12-14 2011-12-14 SOUND TRANSDUCER COMPRISING AT LEAST ONE PIEZOELECTRIC ELEMENT

Country Status (3)

Country Link
DE (1) DE102010063001A1 (en)
FR (1) FR2968820B1 (en)
GB (1) GB2486560B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013211599A1 (en) * 2013-06-20 2014-12-24 Robert Bosch Gmbh Ultrasonic transducer assembly and motor vehicle with an ultrasonic transducer assembly
DE102013211593A1 (en) * 2013-06-20 2014-12-24 Robert Bosch Gmbh Environment sensing device with modular ultrasonic transducer, and motor vehicle with such environment sensing device
DE102013211619A1 (en) * 2013-06-20 2014-12-24 Robert Bosch Gmbh Environment sensing device with ultrasonic transducer, and motor vehicle with such environment sensing device
DE102016200657A1 (en) * 2016-01-20 2017-07-20 Robert Bosch Gmbh Transducer array

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709359A (en) * 1982-06-28 1987-11-24 Magnovox Government And Industrial Electronics Company End weighted reed sound transducer
US5867450A (en) * 1996-11-07 1999-02-02 Georgia Tech Research Corporation State switched acoustic transducer
DE19937209A1 (en) * 1999-01-29 2000-08-10 Hans Richter Drive device
DE502005003241D1 (en) 2005-11-25 2008-04-24 Festo Ag & Co Piezoelectric bending transducer

Also Published As

Publication number Publication date
GB201121444D0 (en) 2012-01-25
FR2968820A1 (en) 2012-06-15
GB2486560B (en) 2017-02-22
GB2486560A (en) 2012-06-20
DE102010063001A1 (en) 2012-06-14

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