JPS60104902U - Tracking motor circuit - Google Patents
Tracking motor circuitInfo
- Publication number
- JPS60104902U JPS60104902U JP19596183U JP19596183U JPS60104902U JP S60104902 U JPS60104902 U JP S60104902U JP 19596183 U JP19596183 U JP 19596183U JP 19596183 U JP19596183 U JP 19596183U JP S60104902 U JPS60104902 U JP S60104902U
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- tracking motor
- motor circuit
- section
- changes
- 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
- Feedback Control In General (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図は従来のトラッキングモーター回路の一例の回路
図で、第２図はその出力電圧特性図である。第３図はこ
の考案のトラッキングモーター回路の一実施例の回路図
で、第４図はその出力電圧特性図である。
１０・・・トラッキングモーター回路、１１・・・シャ
ッター、１２・・・ＬＥＤ、１３・・・ホトトランジス
タ、１４・・・コンパレータ、１５・・・トラッキング
モーター。FIG. 1 is a circuit diagram of an example of a conventional tracking motor circuit, and FIG. 2 is an output voltage characteristic diagram thereof. FIG. 3 is a circuit diagram of one embodiment of the tracking motor circuit of this invention, and FIG. 4 is its output voltage characteristic diagram. DESCRIPTION OF SYMBOLS 10...Tracking motor circuit, 11...Shutter, 12...LED, 13...Phototransistor, 14...Comparator, 15...Tracking motor.
Claims (1)
キング検出部、そのトラッキング検出部の出力信号が入
力される、ヒステリシス特性を有するコンパレータ部、
およびそのコンパレータ部の出力によりスイッチング制
御されるトラッキングモーターを具備してなることを特
徴とするトラッキングモーター回路。 ２ トラッキング検出部が、光源と、受光量に応じて出
力電圧を変化する受光回路と、前記光源と受光回路の間
に置かれかつトラッキング状態に対応して開度を変える
シャッターとからなる請求の範囲第１項記載のトラッキ
ングモーター回路。[Claims for Utility Model Registration] 1. A tracking detection section that outputs a signal corresponding to a tracking state, a comparator section having hysteresis characteristics to which the output signal of the tracking detection section is input;
and a tracking motor whose switching is controlled by the output of the comparator section. 2. A tracking detection unit comprising a light source, a light receiving circuit that changes an output voltage according to the amount of received light, and a shutter that is placed between the light source and the light receiving circuit and changes its opening depending on the tracking state. Tracking motor circuit according to scope 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19596183U JPS60104902U (en) | 1983-12-19 | 1983-12-19 | Tracking motor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19596183U JPS60104902U (en) | 1983-12-19 | 1983-12-19 | Tracking motor circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60104902U true JPS60104902U (en) | 1985-07-17 |
Family
ID=30753591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19596183U Pending JPS60104902U (en) | 1983-12-19 | 1983-12-19 | Tracking motor circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60104902U (en) |
-
1983
- 1983-12-19 JP JP19596183U patent/JPS60104902U/en active Pending
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