NL251609A - - Google Patents
Info
- Publication number
- NL251609A NL251609A NL251609DA NL251609A NL 251609 A NL251609 A NL 251609A NL 251609D A NL251609D A NL 251609DA NL 251609 A NL251609 A NL 251609A
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R9/16—Gramophone pick-ups using a stylus; Recorders using a stylus signals 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)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Springs (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR795204A FR1234831A (fr) | 1959-05-21 | 1959-05-21 | Dispositif transducteur utilisable pour l'enregistrement, et éventuellement la lecture, de disques stéréophoniques |
| FR824456A FR1262022A (fr) | 1959-05-21 | 1960-04-15 | Système vibrant utilisable dans un dispositif d'enregistrement ou de lecture d'une piste en forme de sillon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL251609A true NL251609A (en:Method) |
Family
ID=26184033
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL108094D NL108094C (en:Method) | 1959-05-21 | ||
| NL251609D NL251609A (en:Method) | 1959-05-21 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL108094D NL108094C (en:Method) | 1959-05-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3207857A (en:Method) |
| CH (1) | CH391317A (en:Method) |
| DE (1) | DE1168662B (en:Method) |
| ES (1) | ES258202A1 (en:Method) |
| FR (2) | FR1234831A (en:Method) |
| GB (1) | GB928077A (en:Method) |
| NL (2) | NL251609A (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL295560A (en:Method) * | 1962-08-02 | |||
| DE1241633B (de) * | 1963-10-09 | 1967-06-01 | Karl Braun | Elektrodynamischer Tonabnehmer, insbesondere fuer Stereophonie |
| US3963880A (en) * | 1974-07-24 | 1976-06-15 | Fidelity-Research Inc. | Moving coil-type cartridge |
| JPS5846781B2 (ja) * | 1976-10-14 | 1983-10-18 | 日本ビクター株式会社 | 回転記録媒体再生装置における信号トラツキング用カンチレバ−装置 |
| GB2002619B (en) * | 1977-07-13 | 1982-03-17 | Victor Company Of Japan | Moving-coil type stereo pickup cartridge |
| US4238646A (en) * | 1977-08-10 | 1980-12-09 | Nippon Gakki Seizo Kabushiki Kaisha | Pickup cartridge for reproducing signals recorded on a 45--45 stereophonic record disk |
| US4251695A (en) * | 1977-10-24 | 1981-02-17 | Victor Company Of Japan Ltd. | Pickup cartridge having means for producing magnetic fields of opposite directions for coil plate |
| JPS5819200B2 (ja) * | 1977-12-23 | 1983-04-16 | パイオニア株式会社 | ム−ビングコイル形カ−トリッジ |
| US4194744A (en) * | 1978-02-01 | 1980-03-25 | Shure Brothers, Incorporated | Phonograph pick-up transducer using a one-piece bearing and inertial damper fabricated from different materials |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1799799A (en) * | 1928-10-04 | 1931-04-07 | Bell Telephone Labor Inc | Sound reproducer |
| US2114471A (en) * | 1936-06-20 | 1938-04-19 | Bell Telephone Labor Inc | Sound recording and reproducing system |
| NL54031C (en:Method) * | 1937-07-28 | |||
| GB774121A (en) * | 1954-03-18 | 1957-05-08 | Ferranti Ltd | Improvements relating to gramophone pick-ups |
| US3040136A (en) * | 1959-01-14 | 1962-06-19 | Joseph F Grado | Electro-mechanical transducer |
-
0
- NL NL108094D patent/NL108094C/xx active
- NL NL251609D patent/NL251609A/xx unknown
-
1959
- 1959-05-21 FR FR795204A patent/FR1234831A/fr not_active Expired
-
1960
- 1960-04-15 FR FR824456A patent/FR1262022A/fr not_active Expired
- 1960-05-17 DE DEN18355A patent/DE1168662B/de active Pending
- 1960-05-18 ES ES0258202A patent/ES258202A1/es not_active Expired
- 1960-05-18 GB GB17560/60A patent/GB928077A/en not_active Expired
- 1960-05-18 US US29872A patent/US3207857A/en not_active Expired - Lifetime
- 1960-05-18 CH CH567960A patent/CH391317A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1234831A (fr) | 1960-10-19 |
| GB928077A (en) | 1963-06-06 |
| CH391317A (de) | 1965-04-30 |
| ES258202A1 (es) | 1960-09-16 |
| US3207857A (en) | 1965-09-21 |
| FR1262022A (fr) | 1961-05-26 |
| NL108094C (en:Method) | |
| DE1168662B (de) | 1964-04-23 |