JPS646700U - - Google Patents
Info
- Publication number
- JPS646700U JPS646700U JP1987102182U JP10218287U JPS646700U JP S646700 U JPS646700 U JP S646700U JP 1987102182 U JP1987102182 U JP 1987102182U JP 10218287 U JP10218287 U JP 10218287U JP S646700 U JPS646700 U JP S646700U
- Authority
- JP
- Japan
- Prior art keywords
- notch
- window
- auditory canal
- external auditory
- 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.)
- Pending
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
- A61F11/30—Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells
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)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987102182U JPS646700U (en]) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987102182U JPS646700U (en]) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646700U true JPS646700U (en]) | 1989-01-13 |
Family
ID=31331856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987102182U Pending JPS646700U (en]) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646700U (en]) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015077260A (ja) * | 2013-10-17 | 2015-04-23 | 陽介 熊川 | 聴覚感度調整装置 |
| WO2022059396A1 (ja) | 2020-09-15 | 2022-03-24 | 秀毅 和田 | ヘッドホン型集音器 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845598B2 (ja) * | 1977-05-09 | 1983-10-11 | エヌ・テ−・エヌ東洋ベアリング株式会社 | 燃料供給装置 |
| JPS5845600B2 (ja) * | 1978-03-14 | 1983-10-11 | 工業技術院長 | 太陽熱発電システム用蒸気発生装置 |
| JPS5950074A (ja) * | 1982-09-09 | 1984-03-22 | 株式会社神戸製鋼所 | 連続鋳造用耐火物 |
-
1987
- 1987-07-02 JP JP1987102182U patent/JPS646700U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845598B2 (ja) * | 1977-05-09 | 1983-10-11 | エヌ・テ−・エヌ東洋ベアリング株式会社 | 燃料供給装置 |
| JPS5845600B2 (ja) * | 1978-03-14 | 1983-10-11 | 工業技術院長 | 太陽熱発電システム用蒸気発生装置 |
| JPS5950074A (ja) * | 1982-09-09 | 1984-03-22 | 株式会社神戸製鋼所 | 連続鋳造用耐火物 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015077260A (ja) * | 2013-10-17 | 2015-04-23 | 陽介 熊川 | 聴覚感度調整装置 |
| WO2022059396A1 (ja) | 2020-09-15 | 2022-03-24 | 秀毅 和田 | ヘッドホン型集音器 |