JPH0132470Y2 - - Google Patents
Info
- Publication number
- JPH0132470Y2 JPH0132470Y2 JP20357283U JP20357283U JPH0132470Y2 JP H0132470 Y2 JPH0132470 Y2 JP H0132470Y2 JP 20357283 U JP20357283 U JP 20357283U JP 20357283 U JP20357283 U JP 20357283U JP H0132470 Y2 JPH0132470 Y2 JP H0132470Y2
- Authority
- JP
- Japan
- Prior art keywords
- ear
- speaker
- canal
- sound
- concave
- 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
- 210000000613 ear canal Anatomy 0.000 description 15
- 210000003027 ear inner Anatomy 0.000 description 6
- 210000003128 head Anatomy 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 240000006890 Erythroxylum coca Species 0.000 description 1
- 235000008957 cocaer Nutrition 0.000 description 1
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20357283U JPS60112189U (ja) | 1983-12-29 | 1983-12-29 | ヘツドホ−ン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20357283U JPS60112189U (ja) | 1983-12-29 | 1983-12-29 | ヘツドホ−ン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60112189U JPS60112189U (ja) | 1985-07-30 |
| JPH0132470Y2 true JPH0132470Y2 (en]) | 1989-10-04 |
Family
ID=30765977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20357283U Granted JPS60112189U (ja) | 1983-12-29 | 1983-12-29 | ヘツドホ−ン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112189U (en]) |
-
1983
- 1983-12-29 JP JP20357283U patent/JPS60112189U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60112189U (ja) | 1985-07-30 |
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