GB2491257B - Sound wave based sensor - Google Patents

Sound wave based sensor

Info

Publication number
GB2491257B
GB2491257B GB201209207A GB201209207A GB2491257B GB 2491257 B GB2491257 B GB 2491257B GB 201209207 A GB201209207 A GB 201209207A GB 201209207 A GB201209207 A GB 201209207A GB 2491257 B GB2491257 B GB 2491257B
Authority
GB
United Kingdom
Prior art keywords
sound wave
based sensor
wave based
sensor
sound
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
GB201209207A
Other versions
GB2491257A (en
GB201209207D0 (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 GB201209207D0 publication Critical patent/GB201209207D0/en
Publication of GB2491257A publication Critical patent/GB2491257A/en
Application granted granted Critical
Publication of GB2491257B publication Critical patent/GB2491257B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B06B1/0292—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
    • 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
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • 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
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • 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
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52025—Details of receivers for pulse systems
    • 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
    • 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
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • 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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • 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
    • 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
GB201209207A 2011-05-25 2012-05-22 Sound wave based sensor Expired - Fee Related GB2491257B (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 (3)

Publication Number Publication Date
GB201209207D0 GB201209207D0 (en) 2012-07-04
GB2491257A GB2491257A (en) 2012-11-28
GB2491257B true GB2491257B (en) 2015-02-18

Family

ID=46546637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201209207A Expired - Fee Related GB2491257B (en) 2011-05-25 2012-05-22 Sound wave based 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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1033001A (en) * 1961-08-07 1966-06-15 Western Electric Co Electroacoustic transducers
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
US20070195976A1 (en) * 2006-02-21 2007-08-23 Seiko Epson Corporation Electrostatic ultrasonic transducer, method of manufacturing electrostatic ultrasonic transducer, ultrasonic speaker, method of reproducing sound signal, and super-directivity sound system, and display device
US20090067648A1 (en) * 2007-09-06 2009-03-12 Industrial Technology Research Institute Structure and manufactruring method of electrostatic speaker
US20110115337A1 (en) * 2009-11-16 2011-05-19 Seiko Epson Corporation Ultrasonic transducer, ultrasonic sensor, method of manufacturing ultrasonic transducer, and method of manufacturing ultrasonic sensor
WO2011148778A1 (en) * 2010-05-27 2011-12-01 オムロン株式会社 Acoustic transducer, and microphone using the acoustic transducer
WO2012084503A2 (en) * 2010-12-20 2012-06-28 Robert Bosch Gmbh Device for transmitting and/or receiving an ultrasonic signal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654546A (en) 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1033001A (en) * 1961-08-07 1966-06-15 Western Electric Co Electroacoustic transducers
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
US20070195976A1 (en) * 2006-02-21 2007-08-23 Seiko Epson Corporation Electrostatic ultrasonic transducer, method of manufacturing electrostatic ultrasonic transducer, ultrasonic speaker, method of reproducing sound signal, and super-directivity sound system, and display device
US20090067648A1 (en) * 2007-09-06 2009-03-12 Industrial Technology Research Institute Structure and manufactruring method of electrostatic speaker
US20110115337A1 (en) * 2009-11-16 2011-05-19 Seiko Epson Corporation Ultrasonic transducer, ultrasonic sensor, method of manufacturing ultrasonic transducer, and method of manufacturing ultrasonic sensor
WO2011148778A1 (en) * 2010-05-27 2011-12-01 オムロン株式会社 Acoustic transducer, and microphone using the acoustic transducer
WO2012084503A2 (en) * 2010-12-20 2012-06-28 Robert Bosch Gmbh Device for transmitting and/or receiving an ultrasonic signal

Also Published As

Publication number Publication date
DE102011076430A1 (en) 2012-11-29
GB2491257A (en) 2012-11-28
GB201209207D0 (en) 2012-07-04
FR2975859A1 (en) 2012-11-30
FR2975859B1 (en) 2017-09-01
ITMI20120848A1 (en) 2012-11-26
CN102798852A (en) 2012-11-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210522