BE794025A - Ensemble aimante - Google Patents
Ensemble aimanteInfo
- Publication number
- BE794025A BE794025A BE794025DA BE794025A BE 794025 A BE794025 A BE 794025A BE 794025D A BE794025D A BE 794025DA BE 794025 A BE794025 A BE 794025A
- Authority
- BE
- Belgium
- Prior art keywords
- magnet set
- magnet
- 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
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
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 |
---|---|---|---|
US21971872A | 1972-01-21 | 1972-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE794025A true BE794025A (fr) | 1973-05-02 |
Family
ID=22820492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE794025D BE794025A (fr) | 1972-01-21 | Ensemble aimante |
Country Status (9)
Country | Link |
---|---|
US (1) | US3763334A (fr) |
JP (1) | JPS4883817A (fr) |
BE (1) | BE794025A (fr) |
DE (1) | DE2302385A1 (fr) |
ES (1) | ES410589A1 (fr) |
FR (1) | FR2168575B1 (fr) |
GB (1) | GB1409789A (fr) |
IT (1) | IT978181B (fr) |
NL (1) | NL7217774A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645960A (en) * | 1979-07-30 | 1987-02-24 | Litton Systems, Inc. | Ferro-fluid bearing |
US4451811A (en) * | 1979-07-30 | 1984-05-29 | Litton Systems, Inc. | Magnet structure |
US4878560A (en) * | 1989-03-16 | 1989-11-07 | Scott Robert T | Earmold |
NO167699C (no) * | 1989-05-16 | 1991-11-27 | Infrawave Tech As | Elektromekanisk transduser for lavfrekvente vibrasjoner. |
SK307792A3 (en) * | 1991-03-13 | 1994-04-06 | Teves Gmbh Alfred | Double-tube shock absorber |
EP0624049B1 (fr) * | 1993-04-28 | 2002-06-12 | Matsushita Electric Industrial Co., Ltd. | Appareil haut-parleur |
DE29512102U1 (de) * | 1995-07-27 | 1995-10-05 | Nokia (Deutschland) Gmbh, 75175 Pforzheim | Magnetsystem |
DE19616794B4 (de) * | 1996-04-26 | 2005-09-29 | Harman Audio Electronic Systems Gmbh | Lautsprecher |
DE10215364B4 (de) * | 2002-04-08 | 2004-05-27 | Harman/Becker Automotive Systems Gmbh (Straubing Division) | Antriebsanordnung für einen Lautsprecher |
DE10232643A1 (de) * | 2002-07-18 | 2004-02-12 | Harman/Becker Automotive Systems Gmbh (Straubing Division) | Antriebsanordnung für einen Lautsprecher |
FR2960738B1 (fr) * | 2010-05-28 | 2015-09-25 | Focal Jmlab | Haut-parleur acoustique |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2293078A (en) * | 1939-12-05 | 1942-08-18 | B A Proctor Company Inc | Microphone |
US2860721A (en) * | 1954-03-24 | 1958-11-18 | Fauthal A Hassan | Sound reproducing device |
DE971442C (de) * | 1954-08-29 | 1959-01-29 | Standard Elek K Lorenz Ag | Dynamischer Lautsprecher |
USRE26030E (en) * | 1956-02-28 | 1966-05-24 | Dynamic transducer | |
US3046362A (en) * | 1956-11-06 | 1962-07-24 | Stanley F White | Speaker |
US2923783A (en) * | 1957-06-17 | 1960-02-02 | Stanley F White | Electro-acoustical transducer |
US3413579A (en) * | 1966-03-14 | 1968-11-26 | Westinghouse Electric Corp | Magnetic field assembly for electro-mechanical transducers |
-
0
- BE BE794025D patent/BE794025A/fr unknown
-
1972
- 1972-01-21 US US00219718A patent/US3763334A/en not_active Expired - Lifetime
- 1972-12-28 NL NL7217774A patent/NL7217774A/xx unknown
- 1972-12-28 GB GB5977972A patent/GB1409789A/en not_active Expired
-
1973
- 1973-01-13 ES ES410589A patent/ES410589A1/es not_active Expired
- 1973-01-16 IT IT19241/73A patent/IT978181B/it active
- 1973-01-18 DE DE2302385A patent/DE2302385A1/de active Pending
- 1973-01-19 FR FR7302001A patent/FR2168575B1/fr not_active Expired
- 1973-01-19 JP JP48008011A patent/JPS4883817A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US3763334A (en) | 1973-10-02 |
NL7217774A (fr) | 1973-07-24 |
ES410589A1 (es) | 1975-12-16 |
DE2302385A1 (de) | 1973-07-26 |
IT978181B (it) | 1974-09-20 |
FR2168575B1 (fr) | 1977-02-04 |
JPS4883817A (fr) | 1973-11-08 |
FR2168575A1 (fr) | 1973-08-31 |
GB1409789A (en) | 1975-10-15 |
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