EP0910225A3 - Dispositif de microphone pour casque, et casque équipé d'un tel dispositif - Google Patents
Dispositif de microphone pour casque, et casque équipé d'un tel dispositif Download PDFInfo
- Publication number
- EP0910225A3 EP0910225A3 EP98402575A EP98402575A EP0910225A3 EP 0910225 A3 EP0910225 A3 EP 0910225A3 EP 98402575 A EP98402575 A EP 98402575A EP 98402575 A EP98402575 A EP 98402575A EP 0910225 A3 EP0910225 A3 EP 0910225A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- helmet
- arrangement
- microphone
- transducer
- headset
- 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.)
- Withdrawn
Links
- 230000003321 amplification Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Helmets And Other Head Coverings (AREA)
- Circuit For Audible Band Transducer (AREA)
- Headphones And Earphones (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9713057 | 1997-10-17 | ||
FR9713057A FR2770075B1 (fr) | 1997-10-17 | 1997-10-17 | Dispositif de microphone perfectionne pour casque, et casque equipe d'un tel dispositif |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0910225A2 EP0910225A2 (fr) | 1999-04-21 |
EP0910225A3 true EP0910225A3 (fr) | 2000-03-15 |
Family
ID=9512383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98402575A Withdrawn EP0910225A3 (fr) | 1997-10-17 | 1998-10-16 | Dispositif de microphone pour casque, et casque équipé d'un tel dispositif |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0910225A3 (fr) |
FR (1) | FR2770075B1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2384422A2 (fr) * | 1977-03-17 | 1978-10-13 | Luc Bernard | Perfectionnements aux casques pour motocyclistes et autres |
DE3509658A1 (de) * | 1985-03-18 | 1986-09-18 | Drägerwerk AG, 2400 Lübeck | Kommunikationseinheit fuer eine hoer-/sprecheinrichtung |
GB2182568A (en) * | 1985-09-13 | 1987-05-20 | Total Inert Maintenance & Engi | Improvements in or relating to breathing apparatus |
EP0521218A1 (fr) * | 1991-07-05 | 1993-01-07 | Shoei Kako Kabushiki Kaisha | Disposition des fils électriques d'un sytème de communication dans un casque |
US5243659A (en) * | 1992-02-19 | 1993-09-07 | John J. Lazzeroni | Motorcycle stereo audio system with vox intercom |
-
1997
- 1997-10-17 FR FR9713057A patent/FR2770075B1/fr not_active Expired - Fee Related
-
1998
- 1998-10-16 EP EP98402575A patent/EP0910225A3/fr not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2384422A2 (fr) * | 1977-03-17 | 1978-10-13 | Luc Bernard | Perfectionnements aux casques pour motocyclistes et autres |
DE3509658A1 (de) * | 1985-03-18 | 1986-09-18 | Drägerwerk AG, 2400 Lübeck | Kommunikationseinheit fuer eine hoer-/sprecheinrichtung |
GB2182568A (en) * | 1985-09-13 | 1987-05-20 | Total Inert Maintenance & Engi | Improvements in or relating to breathing apparatus |
EP0521218A1 (fr) * | 1991-07-05 | 1993-01-07 | Shoei Kako Kabushiki Kaisha | Disposition des fils électriques d'un sytème de communication dans un casque |
US5243659A (en) * | 1992-02-19 | 1993-09-07 | John J. Lazzeroni | Motorcycle stereo audio system with vox intercom |
Also Published As
Publication number | Publication date |
---|---|
FR2770075A1 (fr) | 1999-04-23 |
EP0910225A2 (fr) | 1999-04-21 |
FR2770075B1 (fr) | 2000-12-22 |
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Legal Events
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18D | Application deemed to be withdrawn |
Effective date: 20030325 |