FR2975859B1 - SOUND WAVE SENSOR - Google Patents

SOUND WAVE SENSOR

Info

Publication number
FR2975859B1
FR2975859B1 FR1254698A FR1254698A FR2975859B1 FR 2975859 B1 FR2975859 B1 FR 2975859B1 FR 1254698 A FR1254698 A FR 1254698A FR 1254698 A FR1254698 A FR 1254698A FR 2975859 B1 FR2975859 B1 FR 2975859B1
Authority
FR
France
Prior art keywords
sound wave
wave sensor
sensor
sound
wave
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
FR1254698A
Other languages
French (fr)
Other versions
FR2975859A1 (en
Inventor
Andre Gerlach
Michael Helmle
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 FR2975859A1 publication Critical patent/FR2975859A1/en
Application granted granted Critical
Publication of FR2975859B1 publication Critical patent/FR2975859B1/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
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • 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
FR1254698A 2011-05-25 2012-05-23 SOUND WAVE SENSOR Expired - Fee Related FR2975859B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110076430 DE102011076430A1 (en) 2011-05-25 2011-05-25 Sound wave based sensor

Publications (2)

Publication Number Publication Date
FR2975859A1 FR2975859A1 (en) 2012-11-30
FR2975859B1 true FR2975859B1 (en) 2017-09-01

Family

ID=46546637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1254698A Expired - Fee Related FR2975859B1 (en) 2011-05-25 2012-05-23 SOUND WAVE SENSOR

Country Status (5)

Country Link
CN (1) CN102798852A (en)
DE (1) DE102011076430A1 (en)
FR (1) FR2975859B1 (en)
GB (1) GB2491257B (en)
IT (1) ITMI20120848A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11181627B2 (en) * 2018-02-05 2021-11-23 Denso Corporation Ultrasonic sensor
CN112995884B (en) * 2021-02-28 2022-03-18 复旦大学 Fiber acoustic transducer and preparation method and application thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118022A (en) * 1961-08-07 1964-01-14 Bell Telephone Labor Inc Electroacoustic transducer
US4654546A (en) 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same
US5386168A (en) * 1994-04-29 1995-01-31 The United States Of America As Represented By The Secretary Of The Army Polarization-sensitive shear wave transducer
JP4844411B2 (en) * 2006-02-21 2011-12-28 セイコーエプソン株式会社 Electrostatic ultrasonic transducer, method for manufacturing electrostatic ultrasonic transducer, ultrasonic speaker, audio signal reproduction method, superdirective acoustic system, and display device
TWI340602B (en) * 2007-09-06 2011-04-11 Ind Tech Res Inst Structure and manufactruign method of a electrostatic loudspeaker
JP5671876B2 (en) * 2009-11-16 2015-02-18 セイコーエプソン株式会社 Ultrasonic transducer, ultrasonic sensor, method for manufacturing ultrasonic transducer, and method for manufacturing ultrasonic sensor
JP5588745B2 (en) * 2010-05-27 2014-09-10 オムロン株式会社 Acoustic transducer and microphone using the acoustic transducer
DE102010063555A1 (en) * 2010-12-20 2012-06-21 Robert Bosch Gmbh Device for transmitting and / or receiving an ultrasonic signal

Also Published As

Publication number Publication date
FR2975859A1 (en) 2012-11-30
CN102798852A (en) 2012-11-28
GB2491257A (en) 2012-11-28
DE102011076430A1 (en) 2012-11-29
ITMI20120848A1 (en) 2012-11-26
GB201209207D0 (en) 2012-07-04
GB2491257B (en) 2015-02-18

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