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
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
- 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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
-
- 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
- G10K13/00—Cones, 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)
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2929451A1 (de) * | 1978-07-21 | 1980-01-31 | Hans Ryffel | Drehschiebermaschine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2929541A1 (de) * | 1979-07-20 | 1981-02-05 | Siemens Ag | Ultraschallwandleranordnung |
-
1988
- 1988-03-31 DE DE19883811052 patent/DE3811052C1/de not_active Expired
-
1989
- 1989-02-18 EP EP19890102836 patent/EP0336086A3/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2929451A1 (de) * | 1978-07-21 | 1980-01-31 | Hans Ryffel | Drehschiebermaschine |
Non-Patent Citations (1)
Title |
---|
IC-Fertigungstechnik ermöglicht Mini-Mikrofon. In: Funkschau, H.15, 1986, S.9 * |
Cited By (10)
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 |