FR2555390B1 - Capsule microphonique electrodynamique protegee vis-a-vis des champs electromagnetiques variables parasites - Google Patents
Capsule microphonique electrodynamique protegee vis-a-vis des champs electromagnetiques variables parasitesInfo
- Publication number
- FR2555390B1 FR2555390B1 FR8318646A FR8318646A FR2555390B1 FR 2555390 B1 FR2555390 B1 FR 2555390B1 FR 8318646 A FR8318646 A FR 8318646A FR 8318646 A FR8318646 A FR 8318646A FR 2555390 B1 FR2555390 B1 FR 2555390B1
- Authority
- FR
- France
- Prior art keywords
- electrodynamic
- electromagnetic fields
- variable interference
- interference electromagnetic
- microphonic
- 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
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
- H04R9/08—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8318646A FR2555390B1 (fr) | 1983-11-23 | 1983-11-23 | Capsule microphonique electrodynamique protegee vis-a-vis des champs electromagnetiques variables parasites |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8318646A FR2555390B1 (fr) | 1983-11-23 | 1983-11-23 | Capsule microphonique electrodynamique protegee vis-a-vis des champs electromagnetiques variables parasites |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2555390A1 FR2555390A1 (fr) | 1985-05-24 |
FR2555390B1 true FR2555390B1 (fr) | 1987-01-30 |
Family
ID=9294431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8318646A Expired FR2555390B1 (fr) | 1983-11-23 | 1983-11-23 | Capsule microphonique electrodynamique protegee vis-a-vis des champs electromagnetiques variables parasites |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2555390B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5629462B2 (ja) * | 2006-06-07 | 2014-11-19 | キストラー ホールディング アクチエンゲゼルシャフト | 膜を有するセンサ用の膜保護体及び膜を有するセンサと膜保護体 |
US7894622B2 (en) | 2006-10-13 | 2011-02-22 | Merry Electronics Co., Ltd. | Microphone |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB447750A (en) * | 1934-10-22 | 1936-05-22 | Cole E K Ltd | Improvements relating to loudspeakers |
DE1060908B (de) * | 1956-04-20 | 1959-07-09 | Dr Rudolf Goerike | Einrichtung zur Kompensation der durch aeussere magnetische, niederfrequente Stoerfelder im Leiter bzw. in der Wicklung von dynamischen oder magnetischen Mikrophonen induzierten elektromotorischen Kraft |
DE2152450A1 (de) * | 1971-10-21 | 1972-10-26 | Sennheiser Electronic | Brummkompensation fuer ein dynamisches Mikrofon |
JPS5931111Y2 (ja) * | 1980-07-19 | 1984-09-04 | パイオニア株式会社 | ダイナミツクマイクロホン |
-
1983
- 1983-11-23 FR FR8318646A patent/FR2555390B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2555390A1 (fr) | 1985-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2126009B (en) | Magnetic field sensors | |
DE3382481D1 (de) | Gestaltete feld-magnetronelektrode. | |
GB2089817B (en) | Electromagnetic shielding | |
DK208384A (da) | Elektromagnetisk metaldetektor | |
GB8321799D0 (en) | Electromagnetic interference shielding material | |
GB9108917D0 (en) | Electromagnetic shielding member | |
KR880700628A (ko) | 고주파 전자기 방사선-밀봉 가능한 제품 | |
FR2529635B1 (fr) | Distributeur electromagnetique proportionnel | |
DE59301991D1 (de) | Geschirmter elektrischer baugruppenträger | |
DE69318801D1 (de) | Magnetischer Annäherungszünder | |
FR2555390B1 (fr) | Capsule microphonique electrodynamique protegee vis-a-vis des champs electromagnetiques variables parasites | |
JPS5625145A (en) | Acylurea* its manufacture and insecticide containing it | |
DE69102438D1 (de) | Magnetische Abschirmung. | |
ZA875507B (en) | Electro magnetic interference shielding | |
FR2570833B3 (fr) | Detecteur de champ magnetique | |
IT1173630B (it) | Dispositivi elettromagnetici | |
GB8500221D0 (en) | High frequency electromagnetic field | |
FR2696058B1 (fr) | Transducteur électromagnétique polyphasé à aimant permanent multipolaire. | |
FR2580180B1 (fr) | Systeme de protection contre les effets physiologiques des champs electromagnetiques | |
GB8811093D0 (en) | Electromagnetic having magnetic shield | |
DE69124221D1 (de) | Magnetische abschirmungsstruktur | |
GB8333295D0 (en) | Generating electrical and magnetic fields | |
DE69303366D1 (de) | Elektromagnetische abschirmungsvorrichtung | |
DE3366795D1 (en) | Resonant magnetic deflection circuit | |
IT8245703A1 (it) | Attuatore elettromagnetico |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |