NL137499C - - Google Patents
Info
- Publication number
- NL137499C NL137499C NL137499DA NL137499C NL 137499 C NL137499 C NL 137499C NL 137499D A NL137499D A NL 137499DA NL 137499 C NL137499 C NL 137499C
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
-
- 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
- H04R17/06—Gramophone pick-ups using a stylus; Recorders using a stylus comprising two or more styli or transducers
-
- 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)
- Electrophonic Musical Instruments (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US717859A US3309469A (en) | 1958-02-27 | 1958-02-27 | Phonograph pickup |
| US753482A US3108161A (en) | 1958-08-06 | 1958-08-06 | Stereophonic phonograph pickup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL137499C true NL137499C (cs) |
Family
ID=27109789
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL137499D NL137499C (cs) | 1958-02-27 | ||
| NL296654D NL296654A (cs) | 1958-02-27 | ||
| NL236540D NL236540A (cs) | 1958-02-27 | ||
| NL109649D NL109649C (cs) | 1958-02-27 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL296654D NL296654A (cs) | 1958-02-27 | ||
| NL236540D NL236540A (cs) | 1958-02-27 | ||
| NL109649D NL109649C (cs) | 1958-02-27 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS516521B1 (cs) |
| CH (1) | CH369291A (cs) |
| DE (1) | DE1120725B (cs) |
| DK (3) | DK111987B (cs) |
| ES (1) | ES247501A1 (cs) |
| FR (1) | FR1227317A (cs) |
| GB (1) | GB909597A (cs) |
| NL (4) | NL109649C (cs) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL101891C (cs) | 1957-02-23 |
-
0
- NL NL137499D patent/NL137499C/xx active
- NL NL296654D patent/NL296654A/xx unknown
- NL NL236540D patent/NL236540A/xx unknown
- NL NL109649D patent/NL109649C/xx active
-
1959
- 1959-02-12 DE DER24946A patent/DE1120725B/de active Pending
- 1959-02-13 GB GB517559A patent/GB909597A/en not_active Expired
- 1959-02-24 ES ES0247501A patent/ES247501A1/es not_active Expired
- 1959-02-24 FR FR787583A patent/FR1227317A/fr not_active Expired
- 1959-02-25 CH CH7009459A patent/CH369291A/de unknown
- 1959-02-26 DK DK72859A patent/DK111987B/da unknown
-
1965
- 1965-03-08 DK DK119565A patent/DK126455B/da unknown
-
1968
- 1968-02-16 DK DK64068A patent/DK115015B/da unknown
-
1973
- 1973-12-11 JP JP13743073A patent/JPS516521B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DK115015B (da) | 1969-08-25 |
| DK111987B (da) | 1968-10-28 |
| NL296654A (cs) | |
| NL236540A (cs) | |
| GB909597A (en) | 1962-10-31 |
| DK126455B (da) | 1973-07-16 |
| CH369291A (de) | 1963-05-15 |
| FR1227317A (fr) | 1960-08-19 |
| ES247501A1 (es) | 1959-06-16 |
| JPS516521B1 (cs) | 1976-02-28 |
| NL109649C (cs) | |
| DE1120725B (de) | 1961-12-28 |