TW207003B - - Google Patents

Info

Publication number
TW207003B
TW207003B TW82101159A TW82101159A TW207003B TW 207003 B TW207003 B TW 207003B TW 82101159 A TW82101159 A TW 82101159A TW 82101159 A TW82101159 A TW 82101159A TW 207003 B TW207003 B TW 207003B
Authority
TW
Taiwan
Application number
TW82101159A
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of TW207003B publication Critical patent/TW207003B/zh

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Transducers For Ultrasonic Waves (AREA)
TW82101159A 1991-12-05 1993-02-19 TW207003B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914140040 DE4140040A1 (de) 1991-12-05 1991-12-05 Ultraschall-daempfungsmaterial

Publications (1)

Publication Number Publication Date
TW207003B true TW207003B (zh) 1993-06-01

Family

ID=6446288

Family Applications (1)

Application Number Title Priority Date Filing Date
TW82101159A TW207003B (zh) 1991-12-05 1993-02-19

Country Status (3)

Country Link
DE (1) DE4140040A1 (zh)
TW (1) TW207003B (zh)
WO (1) WO1993011527A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103797820A (zh) * 2012-08-10 2014-05-14 京瓷株式会社 声发生器、声发生装置以及电子设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601656B4 (de) * 1996-01-18 2009-07-16 Valeo Schalter Und Sensoren Gmbh Bedämpfter Ultraschallwandler
JP2001065513A (ja) * 1999-08-26 2001-03-16 Toyota Autom Loom Works Ltd 流体圧シリンダの位置検出装置及び該位置検出装置を備えた産業用車両
DE10357837B4 (de) * 2003-12-09 2013-08-08 Sennheiser Electronic Gmbh & Co. Kg Verfahren zur Oberflächenmontage von akustischen Wandlern
CN109266005A (zh) * 2018-08-31 2019-01-25 歌尔股份有限公司 一种振膜的制备方法和发声装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707755A (en) * 1950-07-20 1955-05-03 Sperry Prod Inc High absorption backings for ultrasonic crystals
DE3137745A1 (de) * 1981-09-23 1983-04-07 Egon 5000 Köln Gelhard Sensor fuer die durchfuehrung der distanzmessung nach dem ultraschalll-echoprinzip
DE3301848C2 (de) * 1983-01-20 1984-11-08 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandler
JPS59158699A (ja) * 1983-02-28 1984-09-08 Shimadzu Corp 超音波探触子
DE3739185A1 (de) * 1987-11-19 1989-06-01 Krupp Atlas Elektronik Gmbh Wandlerelement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103797820A (zh) * 2012-08-10 2014-05-14 京瓷株式会社 声发生器、声发生装置以及电子设备
CN103797820B (zh) * 2012-08-10 2016-11-02 京瓷株式会社 声发生器、声发生装置以及电子设备

Also Published As

Publication number Publication date
WO1993011527A1 (de) 1993-06-10
DE4140040A1 (de) 1993-06-09

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