FR796004A - Noise protection device - Google Patents
Noise protection deviceInfo
- Publication number
- FR796004A FR796004A FR796004DA FR796004A FR 796004 A FR796004 A FR 796004A FR 796004D A FR796004D A FR 796004DA FR 796004 A FR796004 A FR 796004A
- Authority
- FR
- France
- Prior art keywords
- protection device
- noise protection
- noise
- protection
- 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
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Psychology (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR796004T | 1935-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR796004A true FR796004A (en) | 1936-03-27 |
Family
ID=9234913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR796004D Expired FR796004A (en) | 1935-10-07 | 1935-10-07 | Noise protection device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR796004A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1267787B (en) * | 1954-05-20 | 1968-05-09 | Nat Res Council | Noise protection device in the manner of ear defenders |
US3506980A (en) * | 1968-12-26 | 1970-04-21 | Gentex Corp | Seal for earcup or the like |
US3506981A (en) * | 1968-05-29 | 1970-04-21 | Kenneth C Stewart | Noise absorbing earmuffs |
US3593341A (en) * | 1970-01-02 | 1971-07-20 | Gentex Corp | Sound-attenuating earcups |
US4546215A (en) * | 1983-10-07 | 1985-10-08 | Ferraro Michael V | Detachable earmuffs for headsets |
-
1935
- 1935-10-07 FR FR796004D patent/FR796004A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1267787B (en) * | 1954-05-20 | 1968-05-09 | Nat Res Council | Noise protection device in the manner of ear defenders |
US3506981A (en) * | 1968-05-29 | 1970-04-21 | Kenneth C Stewart | Noise absorbing earmuffs |
US3506980A (en) * | 1968-12-26 | 1970-04-21 | Gentex Corp | Seal for earcup or the like |
US3593341A (en) * | 1970-01-02 | 1971-07-20 | Gentex Corp | Sound-attenuating earcups |
US4546215A (en) * | 1983-10-07 | 1985-10-08 | Ferraro Michael V | Detachable earmuffs for headsets |
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