JPS563403A - Record player - Google Patents
Record playerInfo
- Publication number
- JPS563403A JPS563403A JP7934979A JP7934979A JPS563403A JP S563403 A JPS563403 A JP S563403A JP 7934979 A JP7934979 A JP 7934979A JP 7934979 A JP7934979 A JP 7934979A JP S563403 A JPS563403 A JP S563403A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- arm
- linear
- horizontal rotary
- output
- 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
Abstract
PURPOSE: To eliminate the arm drift and thus ensure a smooth linear shift for the tone arm for the player of the linear tracking type which uses the linear motor, by giving the brake with motional feedback to the turn of the tone arm.
CONSTITUTION: A comparison is given through operational amplifier between the detection output of coil 62 of horizontal rotary vibration detector 72 and the voltage which is applied to coil 63 of horizontal rotary driving motor 71. At the same time, either one of two transistors 97 and 98 is driven selectively with the above comparison output. Thus the forward or backward current flows to coil 63, and motor 71 produces the driving force with which the output of detection coil 62 becomes zero. This force functions to give the brake to the turn of tone arm 5 and centering on horizontal rotary shaft 7. As a result, the drift can be eliminated for arm 5 which performs the linear tracking, thus ensuring a smooth linear shift in the horizontal direction.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7934979A JPS6059655B2 (en) | 1979-06-22 | 1979-06-22 | record player |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7934979A JPS6059655B2 (en) | 1979-06-22 | 1979-06-22 | record player |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS563403A true JPS563403A (en) | 1981-01-14 |
JPS6059655B2 JPS6059655B2 (en) | 1985-12-26 |
Family
ID=13687416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7934979A Expired JPS6059655B2 (en) | 1979-06-22 | 1979-06-22 | record player |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6059655B2 (en) |
-
1979
- 1979-06-22 JP JP7934979A patent/JPS6059655B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6059655B2 (en) | 1985-12-26 |
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