DE3811052C1 - - Google Patents

Info

Publication number
DE3811052C1
DE3811052C1 DE19883811052 DE3811052A DE3811052C1 DE 3811052 C1 DE3811052 C1 DE 3811052C1 DE 19883811052 DE19883811052 DE 19883811052 DE 3811052 A DE3811052 A DE 3811052A DE 3811052 C1 DE3811052 C1 DE 3811052C1
Authority
DE
Germany
Prior art keywords
membranes
sound
sound generator
micro
generator according
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
Application number
DE19883811052
Other languages
German (de)
English (en)
Inventor
Walter Dipl.-Phys. Dr. 8012 Ottobrunn De Kroy
Helmut Dipl.-Phys. Dr. 8130 Starnberg De Seidel
Oskar Dipl.-Ing. Dr. 8000 Muenchen De Bschorr
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.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm AG
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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Priority to DE19883811052 priority Critical patent/DE3811052C1/de
Priority to EP19890102836 priority patent/EP0336086A3/de
Application granted granted Critical
Publication of DE3811052C1 publication Critical patent/DE3811052C1/de
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292Electrostatic transducers, e.g. electret-type
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Micromachines (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19883811052 1988-03-31 1988-03-31 Expired DE3811052C1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19883811052 DE3811052C1 (it) 1988-03-31 1988-03-31
EP19890102836 EP0336086A3 (de) 1988-03-31 1989-02-18 Mikromechanischer Schallgeber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883811052 DE3811052C1 (it) 1988-03-31 1988-03-31

Publications (1)

Publication Number Publication Date
DE3811052C1 true DE3811052C1 (it) 1989-08-24

Family

ID=6351204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883811052 Expired DE3811052C1 (it) 1988-03-31 1988-03-31

Country Status (2)

Country Link
EP (1) EP0336086A3 (it)
DE (1) DE3811052C1 (it)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994005414A1 (en) * 1992-08-31 1994-03-17 The Regents Of The University Of California Microfabricated reactor
US5585069A (en) * 1994-11-10 1996-12-17 David Sarnoff Research Center, Inc. Partitioned microelectronic and fluidic device array for clinical diagnostics and chemical synthesis
US5846396A (en) * 1994-11-10 1998-12-08 Sarnoff Corporation Liquid distribution system
DE19821861A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Vorrichtung zur dynamischen Anregung von Plattenlautsprechern
US6331439B1 (en) 1995-06-07 2001-12-18 Orchid Biosciences, Inc. Device for selective distribution of liquids
US7297313B1 (en) 1991-08-31 2007-11-20 The Regents Of The University Of California Microfabricated reactor, process for manufacturing the reactor, and method of amplification

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2082080A1 (en) * 1992-04-20 1993-10-21 Gordon Walter Culp Thermal urger
DE19743336C2 (de) 1997-09-30 2002-01-31 Siemens Ag Vorrichtung zur Erzeugung von Ultraschallfeldern

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929451A1 (de) * 1978-07-21 1980-01-31 Hans Ryffel Drehschiebermaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929541A1 (de) * 1979-07-20 1981-02-05 Siemens Ag Ultraschallwandleranordnung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929451A1 (de) * 1978-07-21 1980-01-31 Hans Ryffel Drehschiebermaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IC-Fertigungstechnik ermöglicht Mini-Mikrofon. In: Funkschau, H.15, 1986, S.9 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7297313B1 (en) 1991-08-31 2007-11-20 The Regents Of The University Of California Microfabricated reactor, process for manufacturing the reactor, and method of amplification
WO1994005414A1 (en) * 1992-08-31 1994-03-17 The Regents Of The University Of California Microfabricated reactor
US7169601B1 (en) 1992-08-31 2007-01-30 The Regents Of The University Of California Microfabricated reactor
US7935312B2 (en) 1992-08-31 2011-05-03 Regents Of The University Of California Microfabricated reactor, process for manufacturing the reactor, and method of amplification
US5585069A (en) * 1994-11-10 1996-12-17 David Sarnoff Research Center, Inc. Partitioned microelectronic and fluidic device array for clinical diagnostics and chemical synthesis
US5846396A (en) * 1994-11-10 1998-12-08 Sarnoff Corporation Liquid distribution system
US5858804A (en) * 1994-11-10 1999-01-12 Sarnoff Corporation Immunological assay conducted in a microlaboratory array
US5863708A (en) * 1994-11-10 1999-01-26 Sarnoff Corporation Partitioned microelectronic device array
US6331439B1 (en) 1995-06-07 2001-12-18 Orchid Biosciences, Inc. Device for selective distribution of liquids
DE19821861A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Vorrichtung zur dynamischen Anregung von Plattenlautsprechern

Also Published As

Publication number Publication date
EP0336086A2 (de) 1989-10-11
EP0336086A3 (de) 1991-08-07

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DEUTSCHE AEROSPACE AG, 8000 MUENCHEN, DE

8327 Change in the person/name/address of the patent owner

Owner name: DAIMLER-BENZ AEROSPACE AKTIENGESELLSCHAFT, 80804 M

8339 Ceased/non-payment of the annual fee