DE2966004D1 - Pneumatic speaker with constant fluid flow - Google Patents
Pneumatic speaker with constant fluid flowInfo
- Publication number
- DE2966004D1 DE2966004D1 DE7979400903T DE2966004T DE2966004D1 DE 2966004 D1 DE2966004 D1 DE 2966004D1 DE 7979400903 T DE7979400903 T DE 7979400903T DE 2966004 T DE2966004 T DE 2966004T DE 2966004 D1 DE2966004 D1 DE 2966004D1
- Authority
- DE
- Germany
- Prior art keywords
- fluid flow
- constant fluid
- speaker
- pneumatic
- pneumatic speaker
- 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
- 239000012530 fluid Substances 0.000 title 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
- H04R1/42—Combinations of transducers with fluid-pressure or other non-electrical amplifying 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
- G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7833178A FR2442565A1 (en) | 1978-11-24 | 1978-11-24 | METHOD OF FLUID ACOUSTIC AMPLIFICATION AND PNEUMATIC SPEAKER FOR IMPLEMENTING THE SAME |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2966004D1 true DE2966004D1 (en) | 1983-09-01 |
Family
ID=9215281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE7979400903T Expired DE2966004D1 (en) | 1978-11-24 | 1979-11-22 | Pneumatic speaker with constant fluid flow |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0012070B1 (en) |
JP (1) | JPS55102293U (en) |
DE (1) | DE2966004D1 (en) |
FR (1) | FR2442565A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE428346B (en) * | 1980-10-17 | 1983-06-27 | Kockumation Ab | THE PRESSURE GAS DRIVE SOUND TRANSMITTER WITH THE RESONANCE HORN AND WITH THE BODY FOR CONTROL OF THE PRESSURE OF THE PRESSURE GAS THROUGH THE RESONANCE HORN |
FR2572615B1 (en) * | 1984-10-29 | 1988-10-14 | Bertin & Cie | PNEUMATIC SPEAKER WITH CONTINUOUS FLOW PRESSURE FLOW |
FR2609827B1 (en) * | 1987-01-16 | 1991-04-12 | Electricite De France | METHOD AND DEVICE FOR REDUCING RADIANT DOMINANT HARMONIC COMPONENT NOISE BY AN APPARATUS WALL |
JP2936562B2 (en) * | 1988-02-15 | 1999-08-23 | ヤマハ株式会社 | Electric control type air flow generator |
FR2637148B1 (en) * | 1988-09-29 | 1991-06-07 | Bertin & Cie | ELECTRODYNAMIC-FLUIDIC TRANSDUCER EQUIPMENT FOR PNEUMATIC SPEAKER |
US5117462A (en) * | 1991-03-20 | 1992-05-26 | Jbl Incorporated | Phasing plug for compression driver |
DE19814798C2 (en) * | 1998-04-02 | 2000-10-12 | Lfk Gmbh | Device for generating infrasound |
FR2807277B1 (en) * | 2000-04-04 | 2002-06-28 | Bertin Technologies Sa | PNEUMATIC SPEAKER |
CN101282590B (en) * | 2007-04-06 | 2011-08-17 | 中国科学院声学研究所 | High-efficiency complete-modulation pneumatic loudspeaker |
WO2015041623A1 (en) | 2013-09-20 | 2015-03-26 | Dushko Yuriy Viktorovich | The method of sound oscillations generation and the device for its implementation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR371113A (en) * | 1906-11-05 | 1907-02-27 | "L'aspirator" | Sound amplifier for megaphone, acoustic tubes, telephones, etc. |
US1904156A (en) * | 1931-08-06 | 1933-04-18 | Bell Telephone Labor Inc | Pneumatic sound reproducer |
US2435534A (en) * | 1942-07-25 | 1948-02-03 | Eaves Sound Projectors Inc | Electropneumatic sound reproducer |
-
1978
- 1978-11-24 FR FR7833178A patent/FR2442565A1/en active Granted
-
1979
- 1979-11-22 DE DE7979400903T patent/DE2966004D1/en not_active Expired
- 1979-11-22 EP EP19790400903 patent/EP0012070B1/en not_active Expired
- 1979-11-24 JP JP16308679U patent/JPS55102293U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2442565B1 (en) | 1982-11-05 |
FR2442565A1 (en) | 1980-06-20 |
EP0012070A1 (en) | 1980-06-11 |
EP0012070B1 (en) | 1983-07-27 |
JPS55102293U (en) | 1980-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |