JPS5640559B2 - - Google Patents
Info
- Publication number
- JPS5640559B2 JPS5640559B2 JP7233376A JP7233376A JPS5640559B2 JP S5640559 B2 JPS5640559 B2 JP S5640559B2 JP 7233376 A JP7233376 A JP 7233376A JP 7233376 A JP7233376 A JP 7233376A JP S5640559 B2 JPS5640559 B2 JP S5640559B2
- Authority
- JP
- Japan
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7233376A JPS52154623A (en) | 1976-06-18 | 1976-06-18 | Sound diaphragm |
| CA278,499A CA1098774A (en) | 1976-05-17 | 1977-05-16 | Acoustic diaphragm with polyurethane elastomer coating |
| US05/797,408 US4140203A (en) | 1976-05-17 | 1977-05-16 | Acoustic diaphragm with polyurethane elastomer coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7233376A JPS52154623A (en) | 1976-06-18 | 1976-06-18 | Sound diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52154623A JPS52154623A (en) | 1977-12-22 |
| JPS5640559B2 true JPS5640559B2 (US06633600-20031014-M00021.png) | 1981-09-21 |
Family
ID=13486247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7233376A Granted JPS52154623A (en) | 1976-05-17 | 1976-06-18 | Sound diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52154623A (US06633600-20031014-M00021.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58118462U (ja) * | 1982-02-04 | 1983-08-12 | 東京書藉株式会社 | 学習用算数ブロツク |
| JPS6378975U (US06633600-20031014-M00021.png) * | 1986-11-11 | 1988-05-25 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10135414C1 (de) * | 2001-07-25 | 2003-03-13 | Roehm Gmbh | Herstellung nicht-flacher Membranen für elektroakustische Wandler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52141632U (US06633600-20031014-M00021.png) * | 1976-04-22 | 1977-10-27 |
-
1976
- 1976-06-18 JP JP7233376A patent/JPS52154623A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58118462U (ja) * | 1982-02-04 | 1983-08-12 | 東京書藉株式会社 | 学習用算数ブロツク |
| JPS6378975U (US06633600-20031014-M00021.png) * | 1986-11-11 | 1988-05-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52154623A (en) | 1977-12-22 |
