BE620565A - - Google Patents
Info
- Publication number
- BE620565A BE620565A BE620565DA BE620565A BE 620565 A BE620565 A BE 620565A BE 620565D A BE620565D A BE 620565DA BE 620565 A BE620565 A BE 620565A
- 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
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2678562A GB990267A (en) | 1962-07-12 | 1962-07-12 | Improvements in stereophonic pick-up devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE620565A true BE620565A (en:Method) |
Family
ID=10249161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE620565D BE620565A (en:Method) | 1962-07-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE620565A (en:Method) |
| GB (1) | GB990267A (en:Method) |
| NL (1) | NL281030A (en:Method) |
-
0
- NL NL281030D patent/NL281030A/xx unknown
- BE BE620565D patent/BE620565A/xx unknown
-
1962
- 1962-07-12 GB GB2678562A patent/GB990267A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL281030A (en:Method) | |
| GB990267A (en) | 1965-04-28 |