JPS622867Y2 - - Google Patents
Info
- Publication number
- JPS622867Y2 JPS622867Y2 JP13449878U JP13449878U JPS622867Y2 JP S622867 Y2 JPS622867 Y2 JP S622867Y2 JP 13449878 U JP13449878 U JP 13449878U JP 13449878 U JP13449878 U JP 13449878U JP S622867 Y2 JPS622867 Y2 JP S622867Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- sound pressure
- flat
- planar
- frequency characteristics
- 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
- 230000005855 radiation Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035936 sexual power Effects 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13449878U JPS622867Y2 (en]) | 1978-09-30 | 1978-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13449878U JPS622867Y2 (en]) | 1978-09-30 | 1978-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5551544U JPS5551544U (en]) | 1980-04-04 |
| JPS622867Y2 true JPS622867Y2 (en]) | 1987-01-22 |
Family
ID=29103936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13449878U Expired JPS622867Y2 (en]) | 1978-09-30 | 1978-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS622867Y2 (en]) |
-
1978
- 1978-09-30 JP JP13449878U patent/JPS622867Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5551544U (en]) | 1980-04-04 |
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