BE655010A - - Google Patents
Info
- Publication number
- BE655010A BE655010A BE655010A BE655010A BE655010A BE 655010 A BE655010 A BE 655010A BE 655010 A BE655010 A BE 655010A BE 655010 A BE655010 A BE 655010A BE 655010 A BE655010 A BE 655010A
- 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS597163 | 1963-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE655010A true BE655010A (de) | 1965-02-15 |
Family
ID=5405706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE655010A BE655010A (de) | 1963-10-31 | 1964-10-29 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT268723B (de) |
| BE (1) | BE655010A (de) |
| DE (1) | DE1291378B (de) |
| GB (1) | GB1071916A (de) |
| NL (1) | NL6412543A (de) |
-
1964
- 1964-10-17 DE DE1964C0034133 patent/DE1291378B/de active Pending
- 1964-10-19 GB GB4251964A patent/GB1071916A/en not_active Expired
- 1964-10-28 NL NL6412543A patent/NL6412543A/xx unknown
- 1964-10-29 BE BE655010A patent/BE655010A/xx unknown
- 1964-10-29 AT AT918164A patent/AT268723B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| NL6412543A (de) | 1965-05-03 |
| DE1291378B (de) | 1969-03-27 |
| AT268723B (de) | 1969-02-25 |
| GB1071916A (en) | 1967-06-14 |