BE810724A - Tete magnetique de lecture de disques - Google Patents
Tete magnetique de lecture de disquesInfo
- Publication number
- BE810724A BE810724A BE140648A BE140648A BE810724A BE 810724 A BE810724 A BE 810724A BE 140648 A BE140648 A BE 140648A BE 140648 A BE140648 A BE 140648A BE 810724 A BE810724 A BE 810724A
- Authority
- BE
- Belgium
- Prior art keywords
- magnetic disc
- reading head
- disc reading
- head
- magnetic
- Prior art date
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
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R11/12—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)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00346008A US3846592A (en) | 1973-03-29 | 1973-03-29 | Phonograph pickup cartridge for four channel recordings |
Publications (1)
Publication Number | Publication Date |
---|---|
BE810724A true BE810724A (fr) | 1974-05-29 |
Family
ID=23357543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE140648A BE810724A (fr) | 1973-03-29 | 1974-02-07 | Tete magnetique de lecture de disques |
Country Status (11)
Country | Link |
---|---|
US (1) | US3846592A (it) |
JP (1) | JPS49130204A (it) |
BE (1) | BE810724A (it) |
CA (1) | CA983401A (it) |
CH (1) | CH578772A5 (it) |
DE (1) | DE2409041C2 (it) |
DK (1) | DK149680B (it) |
FR (1) | FR2223777B1 (it) |
GB (1) | GB1418434A (it) |
IT (1) | IT1008819B (it) |
NL (1) | NL7401875A (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5951197B2 (ja) * | 1975-03-27 | 1984-12-12 | 松下電器産業株式会社 | 電磁形ピツクアツプカ−トリツジ |
JPS53127502U (it) * | 1977-03-16 | 1978-10-11 | ||
JPS60124196U (ja) * | 1984-01-30 | 1985-08-21 | 並木精密宝石株式会社 | ピツクアツプ・カ−トリツジの発電コイル |
EP0160279A3 (en) * | 1984-04-27 | 1987-04-01 | Namiki Precision Jewel Co., Ltd. | Improved grounding circuit for moving coil pickup cartridge |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH478502A (de) * | 1967-06-20 | 1969-09-15 | Audio Technica Kk | Tonabnehmerkopf für stereophonische Schallplattenwiedergabe |
DE1960545A1 (de) * | 1968-12-16 | 1970-06-25 | Huber & Co | Tonwiedergabekopf mit einem auswechselbaren Nadeltraeger |
US3546399A (en) * | 1969-01-29 | 1970-12-08 | Pickering & Co Inc | Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly |
DK124049B (da) * | 1969-03-25 | 1972-09-04 | Fonofilm Ind As | Magnetisk pick-up. |
DE2115122C3 (de) * | 1971-03-29 | 1974-01-24 | Dual Gebr. Steidinger, 7742 St. Georgen | Magnetischer Tonabnehmer |
-
1973
- 1973-03-29 US US00346008A patent/US3846592A/en not_active Expired - Lifetime
-
1974
- 1974-02-04 GB GB505074A patent/GB1418434A/en not_active Expired
- 1974-02-07 FR FR7404111A patent/FR2223777B1/fr not_active Expired
- 1974-02-07 BE BE140648A patent/BE810724A/xx not_active IP Right Cessation
- 1974-02-08 IT IT48236/74A patent/IT1008819B/it active
- 1974-02-12 NL NL7401875A patent/NL7401875A/xx unknown
- 1974-02-25 DE DE2409041A patent/DE2409041C2/de not_active Expired
- 1974-03-12 CA CA194,674A patent/CA983401A/en not_active Expired
- 1974-03-14 CH CH360174A patent/CH578772A5/xx not_active IP Right Cessation
- 1974-03-26 DK DK165274AA patent/DK149680B/da unknown
- 1974-03-28 JP JP49034047A patent/JPS49130204A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT1008819B (it) | 1976-11-30 |
DE2409041A1 (de) | 1974-10-17 |
US3846592A (en) | 1974-11-05 |
GB1418434A (en) | 1975-12-17 |
CH578772A5 (it) | 1976-08-13 |
FR2223777A1 (it) | 1974-10-25 |
NL7401875A (it) | 1974-10-01 |
FR2223777B1 (it) | 1978-06-16 |
CA983401A (en) | 1976-02-10 |
DE2409041C2 (de) | 1984-01-12 |
JPS49130204A (it) | 1974-12-13 |
DK149680B (da) | 1986-09-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: W.O. STANTON Effective date: 19870228 |