JPS58151960U - Tone arm angularity detection device - Google Patents
Tone arm angularity detection deviceInfo
- Publication number
- JPS58151960U JPS58151960U JP4937582U JP4937582U JPS58151960U JP S58151960 U JPS58151960 U JP S58151960U JP 4937582 U JP4937582 U JP 4937582U JP 4937582 U JP4937582 U JP 4937582U JP S58151960 U JPS58151960 U JP S58151960U
- Authority
- JP
- Japan
- Prior art keywords
- tone arm
- detection device
- light receiving
- receiving element
- angularity detection
- 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
- Optical Transform (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例を示す要部の斜視図、第２図はこの考案
の実施例を示す要部の斜視図、第３図および第４図はそ
れぞれこの考案の実施例を示す回路図である。
符号の説明、１１・−・・・・マスク板、１２・・・・
・・発行素子（ＬＥＤ）、１３・・・・・・受光素子（
フォトトランジスタ）、Ｒｏ、Ｒ□〜Ｒ６・・・・・・
抵抗、Ｒ１，・・・・・・負荷抵抗、Ｔｒ・・・・・・
トランジスタ、■Ｒ・・・・・・可変抵抗器、Ａ・・・
・・・オペアンプ。Fig. 1 is a perspective view of the main parts showing a conventional example, Fig. 2 is a perspective view of main parts showing an embodiment of this invention, and Figs. 3 and 4 are circuit diagrams showing the embodiments of this invention. be. Explanation of symbols, 11...Mask plate, 12...
...Emitting element (LED), 13... Light receiving element (
phototransistor), Ro, R□~R6...
Resistance, R1...Load resistance, Tr...
Transistor, ■R...Variable resistor, A...
...Op amp.
Claims (1)
とも一対の発光素子と受光素子とを前記マスク板のエツ
ジを挾んで対設し、受光素子の出力信号によりその位置
を検出し得るようになされたトーンアームにおいて、前
記受光素子の出力信号レベルを調整可能にすることによ
り、トーンアームのアンギュラ検出出力の零点調整を行
ない得るように構成したことを特徴とするトーンアーム
のアンギュラ検出装置。A mask plate is disposed under the tone arm, and at least one pair of light emitting element and light receiving element are disposed opposite to each other with the edges of the mask plate in between, so that the position thereof can be detected by the output signal of the light receiving element. 1. An angular contact detection device for a tone arm, characterized in that the tone arm is configured to adjust the output signal level of the light receiving element to adjust the zero point of the angular contact detection output of the tone arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4937582U JPS58151960U (en) | 1982-04-07 | 1982-04-07 | Tone arm angularity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4937582U JPS58151960U (en) | 1982-04-07 | 1982-04-07 | Tone arm angularity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58151960U true JPS58151960U (en) | 1983-10-12 |
Family
ID=30060237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4937582U Pending JPS58151960U (en) | 1982-04-07 | 1982-04-07 | Tone arm angularity detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58151960U (en) |
-
1982
- 1982-04-07 JP JP4937582U patent/JPS58151960U/en active Pending
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