NL107211C - - Google Patents
Info
- Publication number
- NL107211C NL107211C NL107211DA NL107211C NL 107211 C NL107211 C NL 107211C NL 107211D A NL107211D A NL 107211DA NL 107211 C NL107211 C NL 107211C
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1235581XA | 1958-06-09 | 1958-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL107211C true NL107211C (xx) |
Family
ID=22409364
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL107211D NL107211C (xx) | 1958-06-09 | ||
| NL239893D NL239893A (xx) | 1958-06-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL239893D NL239893A (xx) | 1958-06-09 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1235581A (xx) |
| NL (2) | NL239893A (xx) |
-
0
- NL NL107211D patent/NL107211C/xx active
- NL NL239893D patent/NL239893A/xx unknown
-
1959
- 1959-06-05 FR FR796659A patent/FR1235581A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1235581A (fr) | 1960-07-08 |
| NL239893A (xx) |