FR2792175B1 - HEADPHONES WITH ADJUSTMENT DEVICE FOR ACOUSTIC SPEAKER - Google Patents
HEADPHONES WITH ADJUSTMENT DEVICE FOR ACOUSTIC SPEAKERInfo
- Publication number
- FR2792175B1 FR2792175B1 FR9904600A FR9904600A FR2792175B1 FR 2792175 B1 FR2792175 B1 FR 2792175B1 FR 9904600 A FR9904600 A FR 9904600A FR 9904600 A FR9904600 A FR 9904600A FR 2792175 B1 FR2792175 B1 FR 2792175B1
- Authority
- FR
- France
- Prior art keywords
- headphones
- adjustment device
- acoustic speaker
- acoustic
- speaker
- 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 - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/16—Ear protection devices
- A42B3/166—Integral hearing protection
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9904600A FR2792175B1 (en) | 1999-04-13 | 1999-04-13 | HEADPHONES WITH ADJUSTMENT DEVICE FOR ACOUSTIC SPEAKER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9904600A FR2792175B1 (en) | 1999-04-13 | 1999-04-13 | HEADPHONES WITH ADJUSTMENT DEVICE FOR ACOUSTIC SPEAKER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2792175A1 FR2792175A1 (en) | 2000-10-20 |
FR2792175B1 true FR2792175B1 (en) | 2001-06-22 |
Family
ID=9544334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9904600A Expired - Fee Related FR2792175B1 (en) | 1999-04-13 | 1999-04-13 | HEADPHONES WITH ADJUSTMENT DEVICE FOR ACOUSTIC SPEAKER |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2792175B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006013025B4 (en) * | 2006-03-20 | 2008-01-03 | Schuberth Gmbh | Hard hat and system of a protective helmet |
CN108063995A (en) * | 2017-12-26 | 2018-05-22 | 上海自图新材料科技有限公司 | A kind of helmet headset fixed structure |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3918098A (en) * | 1975-01-22 | 1975-11-11 | Sierra Eng Co | Threaded earcup suspension system |
US4905322A (en) * | 1988-04-18 | 1990-03-06 | Gentex Corporation | Energy-absorbing earcup assembly |
-
1999
- 1999-04-13 FR FR9904600A patent/FR2792175B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2792175A1 (en) | 2000-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |
Effective date: 20141231 |