JPS55150165A - Linear tracking arm assembly - Google Patents
Linear tracking arm assemblyInfo
- Publication number
- JPS55150165A JPS55150165A JP5818079A JP5818079A JPS55150165A JP S55150165 A JPS55150165 A JP S55150165A JP 5818079 A JP5818079 A JP 5818079A JP 5818079 A JP5818079 A JP 5818079A JP S55150165 A JPS55150165 A JP S55150165A
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- arm
- coils
- magnet
- traveling member
- 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.)
- Pending
Links
Landscapes
- Control Of Linear Motors (AREA)
Abstract
PURPOSE: To exercise arm-stop-position control and speed control with accuracy by equipping a control part with a correcting method which corrects count contents of an up/down counter.
CONSTITUTION: Tone arm 1 is supported by arm holder 2 and at the back end of the arm, counter weigt 3 is fitted. Arm holder 2, supported on traveling member 4, is movable along a couple of guide rails 6a and 6b. At the lower end of traveling member 4, magnet 9 is fixed which constitutes a field magnetic pole as the neede of a linear motor. Then, a couple of long magnetic members 10a and 10b are fitted to support tables 5a and 5b in parallel to guide bars 6a and 6b being a fixed clearance away from both poles of magnet 9. Those magnetic members 10a and 10b are wound with coils 11a and 11b and magnetic flux generated by magnet 9 intersects coils 11a and 11b. For the purpose, a current in a fixed direction and with a fixed value is supplied to either of coils 11a and 11b, thereby driving traveling member 4 in the fixed horizontal direction.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5818079A JPS55150165A (en) | 1979-05-12 | 1979-05-12 | Linear tracking arm assembly |
GB7917858A GB2023881B (en) | 1978-05-23 | 1979-05-23 | Linear-tracking pick-up arm drive assembly |
DE2921016A DE2921016C2 (en) | 1978-05-23 | 1979-05-23 | Control device for positioning a scanning arm arranged on a slide |
US06/192,171 US4323997A (en) | 1978-05-23 | 1980-09-29 | Linear-tracking pick-up arm drive assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5818079A JPS55150165A (en) | 1979-05-12 | 1979-05-12 | Linear tracking arm assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55150165A true JPS55150165A (en) | 1980-11-21 |
Family
ID=13076800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5818079A Pending JPS55150165A (en) | 1978-05-23 | 1979-05-12 | Linear tracking arm assembly |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55150165A (en) |
-
1979
- 1979-05-12 JP JP5818079A patent/JPS55150165A/en active Pending
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