BE362312A - - Google Patents
Info
- Publication number
- BE362312A BE362312A BE362312DA BE362312A BE 362312 A BE362312 A BE 362312A BE 362312D A BE362312D A BE 362312DA BE 362312 A BE362312 A BE 362312A
- 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
- H04R21/00—Variable-resistance transducers
- H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE678462X | 1928-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE362312A true BE362312A (en:Method) |
Family
ID=6594326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE362312D BE362312A (en:Method) | 1928-07-16 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE362312A (en:Method) |
| FR (1) | FR678462A (en:Method) |
-
0
- BE BE362312D patent/BE362312A/xx unknown
-
1929
- 1929-07-16 FR FR678462D patent/FR678462A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR678462A (fr) | 1930-03-24 |