BE660718A - - Google Patents
Info
- Publication number
- BE660718A BE660718A BE660718A BE660718A BE660718A BE 660718 A BE660718 A BE 660718A BE 660718 A BE660718 A BE 660718A BE 660718 A BE660718 A BE 660718A BE 660718 A BE660718 A BE 660718A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6402294A NL6402294A (de) | 1964-03-06 | 1964-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE660718A true BE660718A (de) | 1965-09-06 |
Family
ID=19789500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE660718A BE660718A (de) | 1964-03-06 | 1965-03-05 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT249400B (de) |
| BE (1) | BE660718A (de) |
| ES (1) | ES310104A1 (de) |
| NL (1) | NL6402294A (de) |
-
1964
- 1964-03-06 NL NL6402294A patent/NL6402294A/xx unknown
-
1965
- 1965-03-03 AT AT186265A patent/AT249400B/de active
- 1965-03-04 ES ES0310104A patent/ES310104A1/es not_active Expired
- 1965-03-05 BE BE660718A patent/BE660718A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT249400B (de) | 1966-09-26 |
| NL6402294A (de) | 1965-09-07 |
| ES310104A1 (es) | 1965-06-01 |