DK137820B - Electroacoustic converter. - Google Patents
Electroacoustic converter.Info
- Publication number
- DK137820B DK137820B DK292772AA DK292772A DK137820B DK 137820 B DK137820 B DK 137820B DK 292772A A DK292772A A DK 292772AA DK 292772 A DK292772 A DK 292772A DK 137820 B DK137820 B DK 137820B
- Authority
- DK
- Denmark
- Prior art keywords
- electroacoustic converter
- electroacoustic
- converter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/066—Loudspeakers using the principle of inertia
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/022—Cooling arrangements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AR23622071 | 1971-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK137820B true DK137820B (en) | 1978-05-08 |
DK137820C DK137820C (en) | 1978-10-09 |
Family
ID=3462012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK292772AA DK137820B (en) | 1971-06-16 | 1972-06-12 | Electroacoustic converter. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3801943A (en) |
JP (1) | JPS5514600B1 (en) |
DE (1) | DE2229239A1 (en) |
DK (1) | DK137820B (en) |
FR (1) | FR2141983B3 (en) |
NL (1) | NL7208047A (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4013846A (en) * | 1975-08-28 | 1977-03-22 | Minnesota Mining And Manufacturing Company | Piston loudspeaker |
AR214446A1 (en) * | 1978-04-05 | 1979-06-15 | Bertagni J | MOUNTING A SUBSTANTIALLY FLAT DIAPHRAGM DEFINING A SOUND TRANSDUCER |
GB2062408B (en) * | 1979-10-02 | 1984-02-22 | Victor Company Of Japan | Speaker |
CH645227A5 (en) * | 1981-12-22 | 1984-09-14 | Multiphonie Sa | ELECTRO-ACOUSTIC TRANSDUCER. |
US4635287A (en) * | 1983-10-19 | 1987-01-06 | Mutsuo Hirano | Audio-frequency electromechanical vibrator |
US4928312A (en) * | 1988-10-17 | 1990-05-22 | Amel Hill | Acoustic transducer |
US4997058A (en) * | 1989-10-02 | 1991-03-05 | Bertagni Jose J | Sound transducer |
US5425107A (en) * | 1992-04-09 | 1995-06-13 | Bertagni Electronic Sound Transducers, International Corporation | Planar-type loudspeaker with dual density diaphragm |
EP0729628A4 (en) * | 1993-11-18 | 1999-06-16 | Sound Advance Syst Inc | Improved planar diaphragm loudspeaker |
US5991424A (en) * | 1995-04-28 | 1999-11-23 | Sound Advance Systems, Inc. | Planar diaphragm speaker with heat dissipator |
KR19990044067A (en) | 1995-09-02 | 1999-06-25 | 에이지마. 헨리 | Bending machine |
EA000836B1 (en) * | 1995-09-02 | 2000-04-24 | Нью Трэнсдьюсерз Лимитед | Inertial vibration transducer |
US6003766A (en) | 1995-09-02 | 1999-12-21 | New Transducers Limited | Vending machine |
GB9701983D0 (en) * | 1997-01-31 | 1997-03-19 | New Transducers Ltd | Electro-dynamic exciter |
US6618487B1 (en) | 1996-09-03 | 2003-09-09 | New Transducers Limited | Electro-dynamic exciter |
JP3569413B2 (en) * | 1997-03-25 | 2004-09-22 | パイオニア株式会社 | Speaker device and method of manufacturing speaker device |
GB9714050D0 (en) * | 1997-07-03 | 1997-09-10 | New Transducers Ltd | Panel-form loudspeakers |
DE19821860A1 (en) * | 1998-05-15 | 1999-11-18 | Nokia Deutschland Gmbh | Driver for flat panel loudspeaker |
US6574347B1 (en) * | 2000-11-17 | 2003-06-03 | Logitech Europe S.A. | Flat-panel loudspeaker with compressed dampeners |
JP4604415B2 (en) * | 2001-07-19 | 2011-01-05 | パナソニック株式会社 | Speaker |
US20030031324A1 (en) * | 2001-08-07 | 2003-02-13 | Richard Lukacovic | Solenoid for an electrolarynx |
US7180489B2 (en) * | 2002-02-06 | 2007-02-20 | Andersen Corporation | Automated multi-task window assembly |
US7109959B2 (en) | 2002-02-06 | 2006-09-19 | Andersen Corporation | Multi-task window |
US6929091B2 (en) * | 2002-10-28 | 2005-08-16 | Sound Advance Systems, Inc. | Planar diaphragm loudspeaker and related methods |
JP2004325908A (en) * | 2003-04-25 | 2004-11-18 | Yamaha Corp | Sound collecting device of percussion instrument |
GB0611533D0 (en) * | 2006-06-10 | 2006-07-19 | Univ Warwick | A non-contact method to measure fill level and content in metallic containers |
CN107005766B (en) | 2014-07-16 | 2020-06-23 | 特拉克赛卡斯公司 | Onboard audio system for model vehicles |
USD834111S1 (en) | 2014-10-01 | 2018-11-20 | Traxxas Lp | Transducer mount |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2252846A (en) * | 1938-09-30 | 1941-08-19 | Associated Electric Lab Inc | Acoustic device |
BE469578A (en) * | 1945-11-30 | |||
DE1073545B (en) * | 1953-06-02 | 1960-01-21 | Akustische u Kino Gerate Ges mbH, Wien | Dynamic directional microphone |
US3329777A (en) * | 1963-05-24 | 1967-07-04 | Plastic Mold & Engineering Co | Dynamic ear phone |
US3567870A (en) * | 1968-07-25 | 1971-03-02 | Harold D Linden | Wall surface transducer system |
-
1972
- 1972-06-05 US US00259378A patent/US3801943A/en not_active Expired - Lifetime
- 1972-06-12 DK DK292772AA patent/DK137820B/en not_active IP Right Cessation
- 1972-06-13 NL NL7208047A patent/NL7208047A/xx unknown
- 1972-06-15 FR FR7221672A patent/FR2141983B3/fr not_active Expired
- 1972-06-15 DE DE19722229239 patent/DE2229239A1/en active Pending
- 1972-06-16 JP JP6031472A patent/JPS5514600B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DK137820C (en) | 1978-10-09 |
JPS5514600B1 (en) | 1980-04-17 |
DE2229239A1 (en) | 1972-12-21 |
FR2141983A1 (en) | 1973-01-26 |
FR2141983B3 (en) | 1975-08-08 |
US3801943A (en) | 1974-04-02 |
NL7208047A (en) | 1972-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |