DE3173101D1 - Acoustic energy system - Google Patents
Acoustic energy systemInfo
- Publication number
- DE3173101D1 DE3173101D1 DE8181302048T DE3173101T DE3173101D1 DE 3173101 D1 DE3173101 D1 DE 3173101D1 DE 8181302048 T DE8181302048 T DE 8181302048T DE 3173101 T DE3173101 T DE 3173101T DE 3173101 D1 DE3173101 D1 DE 3173101D1
- Authority
- DE
- Germany
- Prior art keywords
- boiling point
- low boiling
- layers
- bag
- sealed
- 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
- 238000009835 boiling Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229920000742 Cotton Polymers 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 229920002457 flexible plastic Polymers 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/231—Filled with gas other than air; or under vacuum
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/148,482 US4350724A (en) | 1978-05-08 | 1980-05-09 | Acoustic energy systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3173101D1 true DE3173101D1 (en) | 1986-01-16 |
Family
ID=22525976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181302048T Expired DE3173101D1 (en) | 1980-05-09 | 1981-05-08 | Acoustic energy system |
Country Status (5)
Country | Link |
---|---|
US (1) | US4350724A (de) |
EP (1) | EP0040063B1 (de) |
AT (1) | ATE16880T1 (de) |
CA (1) | CA1172575A (de) |
DE (1) | DE3173101D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4657108A (en) * | 1983-03-02 | 1987-04-14 | Ward Brian D | Constant pressure device |
CZ286295A3 (en) * | 1995-11-02 | 1997-05-14 | Vladimir Svozil | Acoustic baffle for electromechanical transducers or systems thereof |
JP2007055059A (ja) * | 2005-08-24 | 2007-03-08 | Seiko Epson Corp | 捕捉部材及びインクジェットプリンタ |
US8630435B2 (en) | 2008-08-08 | 2014-01-14 | Nokia Corporation | Apparatus incorporating an adsorbent material, and methods of making same |
US8292023B2 (en) | 2009-02-13 | 2012-10-23 | Nokia Corporation | Enclosing adsorbent material |
US9749735B1 (en) * | 2016-07-06 | 2017-08-29 | Bose Corporation | Waveguide |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2115129A (en) * | 1935-06-08 | 1938-04-26 | Telefunken Gmbh | Loudspeaker |
US2718931A (en) * | 1952-11-28 | 1955-09-27 | Boudouris Angelo | Loud speaker for outdoor theaters |
US2797766A (en) * | 1953-10-20 | 1957-07-02 | David Bogen & Company Inc | Louid speaker |
US2775309A (en) * | 1954-03-15 | 1956-12-25 | Acoustic Res Inc | Sound translating devices |
US2846520A (en) * | 1955-11-22 | 1958-08-05 | Philip J Brownscombe | Low frequency loudspeaker |
NL236886A (de) * | 1959-03-07 | |||
US3302748A (en) * | 1963-04-11 | 1967-02-07 | Prentiss B Reed | Loudspeaker system |
US3264165A (en) * | 1964-11-25 | 1966-08-02 | Gen Motors Corp | Insulating means |
US3378098A (en) * | 1966-03-22 | 1968-04-16 | Du Pont | System for improved reproduction of sound |
US3778562A (en) * | 1973-10-21 | 1973-12-11 | Dayton Wright Ass Ltd | Electrostatic loudspeaker having acoustic wavefront modifying device |
JPS5151926A (en) * | 1974-11-01 | 1976-05-07 | Sansui Electric Co | Supiikasochi |
US4004094A (en) * | 1976-03-16 | 1977-01-18 | Novar Electronics Corporation | Enclosure system for sound generators |
US4101736A (en) * | 1977-03-17 | 1978-07-18 | Cerwin Vega, Inc. | Device for increasing the compliance of a speaker enclosure |
-
1980
- 1980-05-09 US US06/148,482 patent/US4350724A/en not_active Expired - Lifetime
-
1981
- 1981-04-30 CA CA000376661A patent/CA1172575A/en not_active Expired
- 1981-05-08 EP EP81302048A patent/EP0040063B1/de not_active Expired
- 1981-05-08 AT AT81302048T patent/ATE16880T1/de active
- 1981-05-08 DE DE8181302048T patent/DE3173101D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4350724A (en) | 1982-09-21 |
CA1172575A (en) | 1984-08-14 |
EP0040063B1 (de) | 1985-12-04 |
ATE16880T1 (de) | 1985-12-15 |
EP0040063A1 (de) | 1981-11-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DK228883D0 (da) | Absorberende plade og absorberende produkter indeholdende en sadan plade | |
ATE73985T1 (de) | In formfesten zustand zu bringendes abdeckblatt. | |
ES2083705T3 (es) | Procedimiento de elaboracion de piezas de material compuesto con matriz alumina. | |
AU506634B2 (en) | Laminated packaging film and flexible pouch | |
SE7908280L (sv) | Absorberande anordning | |
ES8305206A1 (es) | Un dispositivo de protesis de seno, perfeccionado . | |
DE3173101D1 (en) | Acoustic energy system | |
FR2673253B1 (fr) | Dispositif d'absorption d'energie par la deformation des materiaux. | |
FR2349805A1 (fr) | Absorbant de l'energie solaire | |
IT223228Z2 (it) | Dispositivo per lo svilupppo ed il fissaggio di una lastra per radio- grafie dentaali | |
NO841074L (no) | Absorpsjonsvarmepumpe | |
ES483038A1 (es) | Un elemento absorvente de las radiaciones solares | |
SE8103953L (sv) | Uppvermningsanordning innefattande en vermepump | |
US5842346A (en) | Absorbent cartridge for release mechanism powered by contact with fluid | |
JPS52113167A (en) | X-ray exposing device | |
JPS5569124A (en) | Production of liquid crystal display device | |
FR2571481B1 (fr) | Dispositif de stockage de l'energie frigorifique | |
IT1170274B (it) | Mezzi per la raccolta del sebo e per il relativo monitoraggio | |
FR2349848A1 (fr) | Lunettes de sport anti-buee | |
SU662808A1 (ru) | Дозатор паров жидкости | |
GB2018365A (en) | Fluid pressure circuit arrangement | |
JPS55138725A (en) | Electrochromic display device | |
PT70364A (fr) | Dispositif generateur d'energie mu par l'air | |
DE3871215D1 (de) | Verpackungsvorrichtung fuer diapositive. | |
JPS5657388A (en) | Forming method of sound absorber for speaker cabinet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |