JPS60702U - Tone arm control device - Google Patents
Tone arm control deviceInfo
- Publication number
- JPS60702U JPS60702U JP9268483U JP9268483U JPS60702U JP S60702 U JPS60702 U JP S60702U JP 9268483 U JP9268483 U JP 9268483U JP 9268483 U JP9268483 U JP 9268483U JP S60702 U JPS60702 U JP S60702U
- Authority
- JP
- Japan
- Prior art keywords
- tone arm
- control device
- position information
- driving
- arm control
- 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
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はトーンアームアセンブリの側面図、第２図は第
１図における駆動部の平面図、第３図は従来例を示すブ
ロック図、第４図は第１図におけるシャッタと光学セン
サの概略斜視図、第５図は光学センサの回路図、第６図
は光学センサの出力ＶＡ、ＶＢの波形図、第７図は本考
案の一実施例を示すブロック図、第８図は第７図の動作
を説明するための波形図、第９図は第４図のシャッタの
変形例を示す平面図、第１０図は第９図のシャッタを用
いた場合の光学センサの出力波形図、第１１図は本考案
の他あ実施例を示す概略構成図である。
主要部分の符号の説明、１・・・・・・トーンアーム、
８・・・・・・マグネット、９ａ、 ９ｂ・・・・・
・駆動コイル、１２・・・・・・切替スイッチ、１４・
・・・・・シャッタ、１５・・・・・・スリット部、１
６．１７・・・・・・光学センサ、２１・・・・・・反
転アンプ。
七「ン Ｌ ピＪ
基す凶Fig. 1 is a side view of the tone arm assembly, Fig. 2 is a plan view of the drive section in Fig. 1, Fig. 3 is a block diagram showing a conventional example, and Fig. 4 is a schematic diagram of the shutter and optical sensor in Fig. 1. A perspective view, FIG. 5 is a circuit diagram of the optical sensor, FIG. 6 is a waveform diagram of outputs VA and VB of the optical sensor, FIG. 7 is a block diagram showing an embodiment of the present invention, and FIG. 8 is a diagram of FIG. 9 is a plan view showing a modified example of the shutter in FIG. 4, FIG. 10 is an output waveform diagram of the optical sensor when the shutter in FIG. 9 is used, and FIG. 11 is a waveform diagram for explaining the operation of the shutter. The figure is a schematic configuration diagram showing another embodiment of the present invention. Explanation of symbols of main parts, 1... Tone arm,
8...Magnet, 9a, 9b...
・Drive coil, 12...Switch switch, 14・
...Shutter, 15...Slit part, 1
6.17... Optical sensor, 21... Inverting amplifier. 7 ``N L Pi J Base evil
Claims (1)
アームを駆動する駆動手段と、前記トーンアームの移動
に連動して位置情報信号を順次発生する手段と、前記位
置情報信号に応じて前記トーンアームの所望降下位置を
検出する降下位置検出手段とを備え、前記降下位置検出
手段の出力に応答して前記トーンアームを停止させ、し
かる後降下せしめるべく制御するトーンアーム制御装置
であって、前記トーンアームの降下時、該所望降下位置
に対応した前記位置情報信号に基づいて前記駆動手段を
駆動することによって前記トーンアームの降下位置の制
御をなすことを特徴とするトーンアーム制御装置。driving means for driving the tone arm in a plane substantially parallel to the turntable surface; means for sequentially generating position information signals in conjunction with movement of the tone arm; and means for sequentially generating position information signals in response to the position information signals; a lowering position detecting means for detecting a desired lowering position of the tone arm, and controlling the tone arm to stop and then lower in response to an output of the lowering position detecting means, the tone arm control device comprising: A tone arm control device characterized in that, when the arm is lowered, the lowered position of the tone arm is controlled by driving the driving means based on the position information signal corresponding to the desired lowered position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9268483U JPS60702U (en) | 1983-06-15 | 1983-06-15 | Tone arm control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9268483U JPS60702U (en) | 1983-06-15 | 1983-06-15 | Tone arm control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60702U true JPS60702U (en) | 1985-01-07 |
Family
ID=30223012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9268483U Pending JPS60702U (en) | 1983-06-15 | 1983-06-15 | Tone arm control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62100587U (en) * | 1985-12-10 | 1987-06-26 |
-
1983
- 1983-06-15 JP JP9268483U patent/JPS60702U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62100587U (en) * | 1985-12-10 | 1987-06-26 |
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