DE3623315A1 - Vorrichtung fuer einen tiefpass-gehoerschutz - Google Patents
Vorrichtung fuer einen tiefpass-gehoerschutzInfo
- Publication number
- DE3623315A1 DE3623315A1 DE19863623315 DE3623315A DE3623315A1 DE 3623315 A1 DE3623315 A1 DE 3623315A1 DE 19863623315 DE19863623315 DE 19863623315 DE 3623315 A DE3623315 A DE 3623315A DE 3623315 A1 DE3623315 A1 DE 3623315A1
- Authority
- DE
- Germany
- Prior art keywords
- capsule
- capsules
- openings
- capsule holder
- membrane
- 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.)
- Granted
Links
- 239000002775 capsule Substances 0.000 claims abstract description 69
- 238000002604 ultrasonography Methods 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 16
- 239000006260 foam Substances 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000006261 foam material Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 210000005069 ears Anatomy 0.000 description 12
- 230000002745 absorbent Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 229920005176 Hostaform® Polymers 0.000 description 1
- 206010049816 Muscle tightness Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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)
- 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)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863623315 DE3623315A1 (de) | 1986-07-11 | 1986-07-11 | Vorrichtung fuer einen tiefpass-gehoerschutz |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863623315 DE3623315A1 (de) | 1986-07-11 | 1986-07-11 | Vorrichtung fuer einen tiefpass-gehoerschutz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3623315A1 true DE3623315A1 (de) | 1988-01-21 |
| DE3623315C2 DE3623315C2 (OSRAM) | 1990-05-23 |
Family
ID=6304892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863623315 Granted DE3623315A1 (de) | 1986-07-11 | 1986-07-11 | Vorrichtung fuer einen tiefpass-gehoerschutz |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3623315A1 (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994017763A1 (en) * | 1993-02-10 | 1994-08-18 | Bilsom Ab | Ear protection cap with improved sound absorption |
| WO2017169133A1 (ja) * | 2016-03-29 | 2017-10-05 | 富士フイルム株式会社 | イヤーマフ |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1938259A1 (de) * | 1968-08-01 | 1970-02-05 | Amplivox Ltd | Ohrenschuetzer mit frequenzabhaengiger Charakteristik |
| DE7735571U1 (de) * | 1976-11-25 | 1978-04-20 | Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A., Turin (Italien) | Geräuschdämpfender Ohrenschützer |
| DE8111322U1 (de) * | 1980-06-25 | 1981-12-17 | Ohlsson, Ernst David Ingemar, 11645 Stockholm | Gehörschutz |
| DE3119260A1 (de) * | 1980-05-14 | 1982-06-09 | Racal Acoustics Ltd., London | "gehoerschuetzer" |
| DE2946150C2 (de) * | 1979-11-13 | 1983-12-15 | Auergesellschaft Gmbh, 1000 Berlin | Gehörschützer |
-
1986
- 1986-07-11 DE DE19863623315 patent/DE3623315A1/de active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1938259A1 (de) * | 1968-08-01 | 1970-02-05 | Amplivox Ltd | Ohrenschuetzer mit frequenzabhaengiger Charakteristik |
| DE7735571U1 (de) * | 1976-11-25 | 1978-04-20 | Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A., Turin (Italien) | Geräuschdämpfender Ohrenschützer |
| DE2946150C2 (de) * | 1979-11-13 | 1983-12-15 | Auergesellschaft Gmbh, 1000 Berlin | Gehörschützer |
| DE3119260A1 (de) * | 1980-05-14 | 1982-06-09 | Racal Acoustics Ltd., London | "gehoerschuetzer" |
| DE8111322U1 (de) * | 1980-06-25 | 1981-12-17 | Ohlsson, Ernst David Ingemar, 11645 Stockholm | Gehörschutz |
Non-Patent Citations (1)
| Title |
|---|
| DE-Prospekt: "Ihr Gehör leidet, beugen Sie vor!- audiocare, O+W 15, Verwaltungsgesellschaft Wolfgang Brede bmH, P.-Modersohn-Becker-Weg 34, 2862 Worpswede, 1983 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994017763A1 (en) * | 1993-02-10 | 1994-08-18 | Bilsom Ab | Ear protection cap with improved sound absorption |
| AU675297B2 (en) * | 1993-02-10 | 1997-01-30 | Dalloz Safety Ab | Ear protection cap with improved sound absorption |
| US5815842A (en) * | 1993-02-10 | 1998-10-06 | Dalloz Safety Ab | Ear protection cap with improved sound absorption |
| WO2017169133A1 (ja) * | 2016-03-29 | 2017-10-05 | 富士フイルム株式会社 | イヤーマフ |
| CN108778202A (zh) * | 2016-03-29 | 2018-11-09 | 富士胶片株式会社 | 耳罩 |
| JPWO2017169133A1 (ja) * | 2016-03-29 | 2019-01-31 | 富士フイルム株式会社 | イヤーマフ |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3623315C2 (OSRAM) | 1990-05-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |