JPS4815868B1 - - Google Patents
Info
- Publication number
- JPS4815868B1 JPS4815868B1 JP44067614A JP6761469A JPS4815868B1 JP S4815868 B1 JPS4815868 B1 JP S4815868B1 JP 44067614 A JP44067614 A JP 44067614A JP 6761469 A JP6761469 A JP 6761469A JP S4815868 B1 JPS4815868 B1 JP S4815868B1
- 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.)
- Pending
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
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/013—Electrostatic transducers characterised by the use of electrets for loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44067614A JPS4815868B1 (en) | 1969-08-28 | 1969-08-28 | |
| ZA705816A ZA705816B (en) | 1969-08-28 | 1970-08-24 | An electrostatic electroacoustic transducer |
| DE19702042352 DE2042352A1 (en) | 1969-08-28 | 1970-08-26 | Electrostatic electroacoustic transducer |
| GB41614/70A GB1292707A (en) | 1969-08-28 | 1970-08-28 | Electrostatic electroacoustic transducer |
| FR7031538A FR2059727B1 (en) | 1969-08-28 | 1970-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP44067614A JPS4815868B1 (en) | 1969-08-28 | 1969-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4815868B1 true JPS4815868B1 (en) | 1973-05-17 |
Family
ID=13349996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP44067614A Pending JPS4815868B1 (en) | 1969-08-28 | 1969-08-28 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4815868B1 (en) |
| DE (1) | DE2042352A1 (en) |
| FR (1) | FR2059727B1 (en) |
| GB (1) | GB1292707A (en) |
| ZA (1) | ZA705816B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2079054B (en) * | 1980-06-30 | 1984-02-22 | Tokyo Shibaura Electric Co | Electret device |
| AU2004201896B2 (en) * | 2003-06-18 | 2009-03-05 | Altronic Distributors Pty Ltd | An Anchoring Arrangement for Electrical Cabling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1639444B2 (en) * | 1967-05-15 | 1972-08-03 | Thermo Electron Engineering Corp., Waltham, Mass. (V.StA.) | ELECTROACOUSTIC CONVERTER |
-
1969
- 1969-08-28 JP JP44067614A patent/JPS4815868B1/ja active Pending
-
1970
- 1970-08-24 ZA ZA705816A patent/ZA705816B/en unknown
- 1970-08-26 DE DE19702042352 patent/DE2042352A1/en not_active Ceased
- 1970-08-28 FR FR7031538A patent/FR2059727B1/fr not_active Expired
- 1970-08-28 GB GB41614/70A patent/GB1292707A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2059727B1 (en) | 1974-02-01 |
| GB1292707A (en) | 1972-10-11 |
| FR2059727A1 (en) | 1971-06-04 |
| DE2042352B2 (en) | 1972-10-26 |
| DE2042352A1 (en) | 1971-11-18 |
| ZA705816B (en) | 1971-04-28 |