JPS53112704A - Signal pickup device of rotary recording medium reproducer - Google Patents
Signal pickup device of rotary recording medium reproducerInfo
- Publication number
- JPS53112704A JPS53112704A JP2771477A JP2771477A JPS53112704A JP S53112704 A JPS53112704 A JP S53112704A JP 2771477 A JP2771477 A JP 2771477A JP 2771477 A JP2771477 A JP 2771477A JP S53112704 A JPS53112704 A JP S53112704A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- pickup device
- signal pickup
- rotary recording
- medium reproducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
Abstract
PURPOSE: To perform tracking controlling highly accurately by flowing contaol current to coil body enclosing a permanent magnet piece provided to the end part of a cantilever and displacing a reproduction scanner in a direction intersecting perpendicularly to the information tracks of a recording medium.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52027714A JPS594782B2 (en) | 1977-03-14 | 1977-03-14 | Signal pickup device for rotating recording media playback device |
US05/885,579 US4170783A (en) | 1977-03-14 | 1978-03-13 | Signal pickup device for reproducing an information signal recorded on a track of a rotary recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52027714A JPS594782B2 (en) | 1977-03-14 | 1977-03-14 | Signal pickup device for rotating recording media playback device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53112704A true JPS53112704A (en) | 1978-10-02 |
JPS594782B2 JPS594782B2 (en) | 1984-01-31 |
Family
ID=12228660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52027714A Expired JPS594782B2 (en) | 1977-03-14 | 1977-03-14 | Signal pickup device for rotating recording media playback device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS594782B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441900A1 (en) * | 1978-11-16 | 1980-06-13 | Rca Corp | Video disc player - has track skipping device comprising electromagnet moving stylus radially across disc |
FR2441901A1 (en) * | 1978-11-16 | 1980-06-13 | Rca Corp | Video disc player - has track skipping device comprising coils and permanent magnet moving needle radially across disc |
-
1977
- 1977-03-14 JP JP52027714A patent/JPS594782B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441900A1 (en) * | 1978-11-16 | 1980-06-13 | Rca Corp | Video disc player - has track skipping device comprising electromagnet moving stylus radially across disc |
FR2441901A1 (en) * | 1978-11-16 | 1980-06-13 | Rca Corp | Video disc player - has track skipping device comprising coils and permanent magnet moving needle radially across disc |
Also Published As
Publication number | Publication date |
---|---|
JPS594782B2 (en) | 1984-01-31 |
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