FR1359655A - Casque isolateur de bruits-écouteur à réception réglable - Google Patents
Casque isolateur de bruits-écouteur à réception réglableInfo
- Publication number
- FR1359655A FR1359655A FR918076A FR918076A FR1359655A FR 1359655 A FR1359655 A FR 1359655A FR 918076 A FR918076 A FR 918076A FR 918076 A FR918076 A FR 918076A FR 1359655 A FR1359655 A FR 1359655A
- Authority
- FR
- France
- Prior art keywords
- earpiece
- noise
- adjustable reception
- headphones
- isolating
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR918076A FR1359655A (fr) | 1962-12-10 | 1962-12-10 | Casque isolateur de bruits-écouteur à réception réglable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR918076A FR1359655A (fr) | 1962-12-10 | 1962-12-10 | Casque isolateur de bruits-écouteur à réception réglable |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1359655A true FR1359655A (fr) | 1964-04-30 |
Family
ID=8792480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR918076A Expired FR1359655A (fr) | 1962-12-10 | 1962-12-10 | Casque isolateur de bruits-écouteur à réception réglable |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1359655A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2401523A1 (de) * | 1974-01-14 | 1975-07-24 | Norbert Dipl Ing Hesselmann | Einrichtung zur aktiven minderung und kompensation von schall am menschlichen gehoer |
WO1984002267A1 (fr) * | 1982-12-15 | 1984-06-21 | Bentum Abraham Jean Pierre Van | Appareil de protection auditive contre des volumes sonores surnormaux soudains |
-
1962
- 1962-12-10 FR FR918076A patent/FR1359655A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2401523A1 (de) * | 1974-01-14 | 1975-07-24 | Norbert Dipl Ing Hesselmann | Einrichtung zur aktiven minderung und kompensation von schall am menschlichen gehoer |
WO1984002267A1 (fr) * | 1982-12-15 | 1984-06-21 | Bentum Abraham Jean Pierre Van | Appareil de protection auditive contre des volumes sonores surnormaux soudains |
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