NO132745B - - Google Patents
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- Publication number
- NO132745B NO132745B NO2515/73A NO251573A NO132745B NO 132745 B NO132745 B NO 132745B NO 2515/73 A NO2515/73 A NO 2515/73A NO 251573 A NO251573 A NO 251573A NO 132745 B NO132745 B NO 132745B
- Authority
- NO
- Norway
- Prior art keywords
- membrane
- pole
- area
- conductor
- magnetic
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 36
- 239000004020 conductor Substances 0.000 claims description 29
- 238000004804 winding Methods 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 230000005520 electrodynamics Effects 0.000 claims description 6
- 230000005415 magnetization Effects 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- HPYIMVBXZPJVBV-UHFFFAOYSA-N barium(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Ba+2] HPYIMVBXZPJVBV-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 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
- 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 (is") | 1972-06-20 | 1972-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132745B true NO132745B (is") | 1975-09-15 |
| NO132745C NO132745C (no) | 1983-12-28 |
Family
ID=20273169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2515/73A NO132745C (no) | 1972-06-20 | 1973-06-18 | Elektroakustisk omformer |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3919498A (is") |
| JP (2) | JPS4986016A (is") |
| DE (2) | DE2331037B2 (is") |
| GB (1) | GB1418360A (is") |
| NO (1) | NO132745C (is") |
| SE (1) | SE363956B (is") |
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 (is") * | 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 |
| JPS52127325A (en) * | 1976-04-19 | 1977-10-25 | Seikosha Kk | Speaker |
| JPS5542557Y2 (is") * | 1976-04-19 | 1980-10-06 | ||
| DE2836937B2 (de) * | 1977-08-31 | 1981-06-25 | AKG Akustische u. Kino-Geräte GmbH, Wien | Kopfhörer |
| JPS581040Y2 (ja) * | 1978-01-12 | 1983-01-08 | 山水電気株式会社 | 動電型マイクロフオン |
| JPS587757Y2 (ja) * | 1978-02-25 | 1983-02-10 | 澤藤 正 | 平面駆動型電気−音響相互変換器 |
| 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 (fr) * | 1980-08-13 | 1982-02-19 | Telephonie Ind Commerciale | Transducteur electrodynamique |
| GB2154096A (en) * | 1984-02-08 | 1985-08-29 | Chien Yuan Liu | Loudspeaker |
| NL8501166A (nl) * | 1985-04-23 | 1986-11-17 | Philips Nv | Elektro-dynamische omzetter van het isofase- of bandtype. |
| JP2624291B2 (ja) * | 1988-04-08 | 1997-06-25 | 松下電器産業株式会社 | 遠赤外線ヒータ |
| US5123053A (en) * | 1990-07-11 | 1992-06-16 | Harman International Industries, Incorporated | Loudspeaker suspension |
| JP2524440B2 (ja) * | 1991-08-22 | 1996-08-14 | 恭子 溝口 | 食物保存用容器 |
| 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 (ko) * | 2005-07-25 | 2006-11-14 | 삼성전자주식회사 | 칼라 하프톤 스크린 설계 방법 및 그 장치 |
| 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 (uk) | 2018-02-16 | 2019-11-11 | Павло Олегович Шиманович | Електроакустичний перетворювач для навушників |
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 (de) * | 1929-07-18 | 1932-05-10 | Aeg | Membran zur Aufnahme und Wiedergabe akustischer Schwingungen. |
| NL112193C (is") * | 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 (is") * | 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/no unknown
- 1973-06-19 DE DE2331037A patent/DE2331037B2/de not_active Ceased
- 1973-06-19 DE DE7322737U patent/DE7322737U/de not_active Expired
- 1973-06-19 GB GB2903473A patent/GB1418360A/en not_active Expired
- 1973-06-19 JP JP48069681A patent/JPS4986016A/ja active Pending
-
1980
- 1980-06-12 JP JP55079568A patent/JPS609398B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE7322737U (de) | 1978-05-18 |
| DE2331037A1 (de) | 1974-01-10 |
| JPS609398B2 (ja) | 1985-03-09 |
| US3919498A (en) | 1975-11-11 |
| GB1418360A (en) | 1975-12-17 |
| NO132745C (no) | 1983-12-28 |
| SE363956B (is") | 1974-02-04 |
| JPS5723394A (en) | 1982-02-06 |
| JPS4986016A (is") | 1974-08-17 |
| DE2331037B2 (de) | 1979-09-20 |
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