BE464634A - - Google Patents
Info
- Publication number
- BE464634A BE464634A BE464634DA BE464634A BE 464634 A BE464634 A BE 464634A BE 464634D A BE464634D A BE 464634DA BE 464634 A BE464634 A BE 464634A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR252811X | 1946-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE464634A true BE464634A (https=) |
Family
ID=8884273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE464634D BE464634A (https=) | 1946-01-22 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE464634A (https=) |
| CH (1) | CH252811A (https=) |
| GB (1) | GB610297A (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2659022A (en) * | 1951-05-22 | 1953-11-10 | Tele King Corp | Electrostatic deflection system |
| US3008013A (en) * | 1954-07-20 | 1961-11-07 | Ferranti Ltd | Electrostatic loudspeakers |
| US2910539A (en) * | 1956-07-27 | 1959-10-27 | William L Hartsfield | Microphones |
| US3118022A (en) * | 1961-08-07 | 1964-01-14 | Bell Telephone Labor Inc | Electroacoustic transducer |
| US3458713A (en) * | 1966-11-01 | 1969-07-29 | Northern Electric Co | Polycarbonate electrets |
| NL143362B (nl) * | 1968-07-10 | 1974-09-16 | Tno | Werkwijze voor het formeren van een eenzijdig gemetalliseerde elektreetfoelie, alsmede zulk een elektreetfoelie geformeerd volgens deze werkwijze. |
| US3748727A (en) * | 1968-07-11 | 1973-07-31 | W Swain | Method of making electret transducers |
| DE2330800C3 (de) * | 1973-06-16 | 1981-10-01 | Sennheiser Electronic Kg, 3002 Wedemark | Elektroakustischer Wandler nach dem elektrostatischen Prinzip und Verfahren zu dessen Herstellung |
-
0
- BE BE464634D patent/BE464634A/xx unknown
-
1946
- 1946-04-09 GB GB10848/46A patent/GB610297A/en not_active Expired
- 1946-04-15 CH CH252811D patent/CH252811A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB610297A (en) | 1948-10-13 |
| CH252811A (fr) | 1948-01-31 |