JPS574693A - Truncated circular cone type metallic diaphragm - Google Patents
Truncated circular cone type metallic diaphragmInfo
- Publication number
- JPS574693A JPS574693A JP7854580A JP7854580A JPS574693A JP S574693 A JPS574693 A JP S574693A JP 7854580 A JP7854580 A JP 7854580A JP 7854580 A JP7854580 A JP 7854580A JP S574693 A JPS574693 A JP S574693A
- Authority
- JP
- Japan
- Prior art keywords
- array
- crystals
- circumference
- diaphragm
- circular cone
- 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
- 239000013078 crystal Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7854580A JPS574693A (en) | 1980-06-10 | 1980-06-10 | Truncated circular cone type metallic diaphragm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7854580A JPS574693A (en) | 1980-06-10 | 1980-06-10 | Truncated circular cone type metallic diaphragm |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS574693A true JPS574693A (en) | 1982-01-11 |
JPS6313593B2 JPS6313593B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-03-26 |
Family
ID=13664880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7854580A Granted JPS574693A (en) | 1980-06-10 | 1980-06-10 | Truncated circular cone type metallic diaphragm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS574693A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59129377A (ja) * | 1983-01-11 | 1984-07-25 | イズミ工業株式会社 | 溶融保持炉 |
JPS6050796U (ja) * | 1983-09-12 | 1985-04-10 | イズミ工業株式会社 | 溶融保持炉 |
JPS61257436A (ja) * | 1985-05-10 | 1986-11-14 | Topy Ind Ltd | アルミニウム系金属材料から含有不純物を除去する方法 |
JPS61257435A (ja) * | 1985-05-10 | 1986-11-14 | Topy Ind Ltd | アルミニウム系金属材料から含有不純物を除去する方法 |
JPH034367U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1984-02-15 | 1991-01-17 |
-
1980
- 1980-06-10 JP JP7854580A patent/JPS574693A/ja active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59129377A (ja) * | 1983-01-11 | 1984-07-25 | イズミ工業株式会社 | 溶融保持炉 |
JPS6050796U (ja) * | 1983-09-12 | 1985-04-10 | イズミ工業株式会社 | 溶融保持炉 |
JPH034367U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1984-02-15 | 1991-01-17 | ||
JPS61257436A (ja) * | 1985-05-10 | 1986-11-14 | Topy Ind Ltd | アルミニウム系金属材料から含有不純物を除去する方法 |
JPS61257435A (ja) * | 1985-05-10 | 1986-11-14 | Topy Ind Ltd | アルミニウム系金属材料から含有不純物を除去する方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS6313593B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-03-26 |
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