FR75981E - Système permettant d'atténuer des vibrations sonores - Google Patents
Système permettant d'atténuer des vibrations sonoresInfo
- Publication number
- FR75981E FR75981E FR799054A FR799054A FR75981E FR 75981 E FR75981 E FR 75981E FR 799054 A FR799054 A FR 799054A FR 799054 A FR799054 A FR 799054A FR 75981 E FR75981 E FR 75981E
- Authority
- FR
- France
- Prior art keywords
- sound vibrations
- attenuate sound
- attenuate
- vibrations
- sound
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/08—Protective devices for the ears internal, e.g. earplugs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Otolaryngology (AREA)
- Psychology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR799054A FR75981E (fr) | 1959-07-01 | 1959-07-01 | Système permettant d'atténuer des vibrations sonores |
DE1960V0011707 DE1820931U (de) | 1959-07-01 | 1960-06-10 | Geraet zur schalldaempfung innerhalb der ohren. |
GB2115860A GB906796A (en) | 1959-07-01 | 1960-06-16 | Improvements relating to ear plugs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR799054A FR75981E (fr) | 1959-07-01 | 1959-07-01 | Système permettant d'atténuer des vibrations sonores |
Publications (1)
Publication Number | Publication Date |
---|---|
FR75981E true FR75981E (fr) | 1961-09-01 |
Family
ID=8716684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR799054A Expired FR75981E (fr) | 1959-07-01 | 1959-07-01 | Système permettant d'atténuer des vibrations sonores |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1820931U (fr) |
FR (1) | FR75981E (fr) |
GB (1) | GB906796A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010135688A1 (fr) | 2009-05-22 | 2010-11-25 | Sperian Hearing Protection, Llc | Embout auriculaire amélioré |
-
1959
- 1959-07-01 FR FR799054A patent/FR75981E/fr not_active Expired
-
1960
- 1960-06-10 DE DE1960V0011707 patent/DE1820931U/de not_active Expired
- 1960-06-16 GB GB2115860A patent/GB906796A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1820931U (de) | 1960-11-03 |
GB906796A (en) | 1962-09-26 |
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