NO132745C - ELECTROACUSTIC CONVERTER - Google Patents
ELECTROACUSTIC CONVERTERInfo
- Publication number
- NO132745C NO132745C NO2515/73A NO251573A NO132745C NO 132745 C NO132745 C NO 132745C NO 2515/73 A NO2515/73 A NO 2515/73A NO 251573 A NO251573 A NO 251573A NO 132745 C NO132745 C NO 132745C
- Authority
- NO
- Norway
- Prior art keywords
- electroacustic
- converter
- electroacustic 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
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
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 |
---|---|---|---|
SE08109/72A SE363956B (en) | 1972-06-20 | 1972-06-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO132745B NO132745B (en) | 1975-09-15 |
NO132745C true NO132745C (en) | 1983-12-28 |
Family
ID=20273169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO2515/73A NO132745C (en) | 1972-06-20 | 1973-06-18 | ELECTROACUSTIC CONVERTER |
Country Status (6)
Country | Link |
---|---|
US (1) | US3919498A (en) |
JP (2) | JPS4986016A (en) |
DE (2) | DE7322737U (en) |
GB (1) | GB1418360A (en) |
NO (1) | NO132745C (en) |
SE (1) | SE363956B (en) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51141619A (en) * | 1975-05-31 | 1976-12-06 | Dainippon Printing Co Ltd | Energy converting apparatus of flat type |
JPS5223529U (en) * | 1975-08-06 | 1977-02-18 | ||
US4037061A (en) * | 1975-11-13 | 1977-07-19 | Electro Audio Dynamics, Inc. | Planar pattern voice coil audio transducer |
JPS52123227A (en) * | 1976-04-08 | 1977-10-17 | Sharp Corp | Speaker |
JPS5542557Y2 (en) * | 1976-04-19 | 1980-10-06 | ||
JPS52127325A (en) * | 1976-04-19 | 1977-10-25 | Seikosha Kk | Speaker |
DE2836937B2 (en) * | 1977-08-31 | 1981-06-25 | AKG Akustische u. Kino-Geräte GmbH, Wien | headphones |
JPS581040Y2 (en) * | 1978-01-12 | 1983-01-08 | 山水電気株式会社 | Electrodynamic Microphone |
JPS587757Y2 (en) * | 1978-02-25 | 1983-02-10 | 澤藤 正 | Planar drive electric-acoustic mutual converter |
US4276449A (en) * | 1978-06-01 | 1981-06-30 | Tadashi Sawafuji | Speaker or microphone having corrugated diaphragm with conductors thereon |
JPS5533392A (en) * | 1979-06-05 | 1980-03-08 | Tadashi Sawafuji | Electroacoustic converter |
US4413161A (en) * | 1980-02-09 | 1983-11-01 | Nippon Gakki Seizo Kabushiki Kaisha | Electro-acoustic transducer |
US4384173A (en) * | 1980-08-01 | 1983-05-17 | Granus Corporation | Electromagnetic planar diaphragm transducer |
FR2488765A1 (en) * | 1980-08-13 | 1982-02-19 | Telephonie Ind Commerciale | Electrodynamic transducer usable as loudspeaker or microphone - has coil formed as printed circuit group of spirals on both faces of membrane above alternating concentric magnetic poles |
GB2154096A (en) * | 1984-02-08 | 1985-08-29 | Chien Yuan Liu | Loudspeaker |
NL8501166A (en) * | 1985-04-23 | 1986-11-17 | Philips Nv | ELECTRO-DYNAMIC CONVERTER OF THE ISO PHASE OR TIRE TYPE. |
JP2624291B2 (en) * | 1988-04-08 | 1997-06-25 | 松下電器産業株式会社 | Far infrared heater |
US5123053A (en) * | 1990-07-11 | 1992-06-16 | Harman International Industries, Incorporated | Loudspeaker suspension |
JP2524440B2 (en) * | 1991-08-22 | 1996-08-14 | 恭子 溝口 | Food storage container |
EP0775432B1 (en) * | 1994-02-11 | 1998-05-13 | Kirk Acoustics A/S | An electrodynamic transducer |
US6154557A (en) * | 1998-05-21 | 2000-11-28 | Sonigistix Corporation | Acoustic transducer with selective driving force distribution |
US6600399B1 (en) | 2002-02-05 | 2003-07-29 | Roland Pierre Trandafir | Transducer motor/generator assembly |
KR100645442B1 (en) * | 2005-07-25 | 2006-11-14 | 삼성전자주식회사 | Method for generating color halftone screen and system therof |
US20070154049A1 (en) * | 2006-01-05 | 2007-07-05 | Igor Levitsky | Transducer, headphone and method for reducing noise |
US7726193B2 (en) * | 2007-09-27 | 2010-06-01 | Baker Hughes Incorporated | Electromagnetic acoustic transducer with cross-talk elimination |
US8345895B2 (en) * | 2008-07-25 | 2013-01-01 | United Microelectronics Corp. | Diaphragm of MEMS electroacoustic transducer |
UA120313C2 (en) | 2018-02-16 | 2019-11-11 | Павло Олегович Шиманович | ELECTROACOUSTIC CONVERTER FOR HEADPHONES |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB262910A (en) * | 1925-11-21 | 1926-12-23 | Edward Alfred Graham | Improvements in or relating to telephone transmitters and receivers |
AT128194B (en) * | 1929-07-18 | 1932-05-10 | Aeg | Membrane for recording and reproducing acoustic vibrations. |
NL236904A (en) * | 1958-03-07 | |||
US3139490A (en) * | 1958-10-15 | 1964-06-30 | Lyons Philip Daniel | Sound reproducing and recording device |
US3141071A (en) * | 1960-07-18 | 1964-07-14 | Rosen Alfred H | Full range electroacoustic transducers |
NL274947A (en) * | 1961-02-20 | |||
US3283086A (en) * | 1963-06-17 | 1966-11-01 | Willis F Evans | Versatile extensive area sound reproducer or audio transducer |
-
1972
- 1972-06-20 SE SE08109/72A patent/SE363956B/xx unknown
-
1973
- 1973-06-14 US US369825A patent/US3919498A/en not_active Expired - Lifetime
- 1973-06-18 NO NO2515/73A patent/NO132745C/en unknown
- 1973-06-19 JP JP48069681A patent/JPS4986016A/ja active Pending
- 1973-06-19 GB GB2903473A patent/GB1418360A/en not_active Expired
- 1973-06-19 DE DE7322737U patent/DE7322737U/en not_active Expired
- 1973-06-19 DE DE2331037A patent/DE2331037B2/en not_active Ceased
-
1980
- 1980-06-12 JP JP55079568A patent/JPS609398B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE7322737U (en) | 1978-05-18 |
DE2331037B2 (en) | 1979-09-20 |
JPS609398B2 (en) | 1985-03-09 |
SE363956B (en) | 1974-02-04 |
GB1418360A (en) | 1975-12-17 |
DE2331037A1 (en) | 1974-01-10 |
US3919498A (en) | 1975-11-11 |
NO132745B (en) | 1975-09-15 |
JPS4986016A (en) | 1974-08-17 |
JPS5723394A (en) | 1982-02-06 |
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