BE451908A - - Google Patents
Info
- Publication number
- BE451908A BE451908A BE451908DA BE451908A BE 451908 A BE451908 A BE 451908A BE 451908D A BE451908D A BE 451908DA BE 451908 A BE451908 A BE 451908A
- Authority
- BE
- Belgium
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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES3346D DE865218C (de) | 1942-08-27 | 1942-08-27 | Elektrischer Tonabnehmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE451908A true BE451908A (cs) |
Family
ID=7470099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE451908D BE451908A (cs) | 1942-08-27 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE451908A (cs) |
| DE (1) | DE865218C (cs) |
-
0
- BE BE451908D patent/BE451908A/xx unknown
-
1942
- 1942-08-27 DE DES3346D patent/DE865218C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE865218C (de) | 1953-02-02 |