NL249846A - - Google Patents
Info
- Publication number
- NL249846A NL249846A NL249846DA NL249846A NL 249846 A NL249846 A NL 249846A NL 249846D A NL249846D A NL 249846DA NL 249846 A NL249846 A NL 249846A
- Authority
- NL
- Netherlands
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)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL249846 | 1960-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL249846A true NL249846A (en:Method) |
Family
ID=19752247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL249846D NL249846A (en:Method) | 1960-03-26 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH397264A (en:Method) |
| NL (1) | NL249846A (en:Method) |
| OA (1) | OA00970A (en:Method) |
-
0
- NL NL249846D patent/NL249846A/xx unknown
-
1961
- 1961-03-23 CH CH344761A patent/CH397264A/de unknown
-
1964
- 1964-12-28 OA OA51074A patent/OA00970A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| OA00970A (fr) | 1968-08-07 |
| CH397264A (de) | 1965-08-15 |