JPS5830953U - tracking circuit - Google Patents
tracking circuitInfo
- Publication number
- JPS5830953U JPS5830953U JP12496781U JP12496781U JPS5830953U JP S5830953 U JPS5830953 U JP S5830953U JP 12496781 U JP12496781 U JP 12496781U JP 12496781 U JP12496781 U JP 12496781U JP S5830953 U JPS5830953 U JP S5830953U
- Authority
- JP
- Japan
- Prior art keywords
- time constant
- circuit
- constant circuit
- tracking circuit
- tracking
- 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
(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図は従来回路の一例を示すブロック系統図、第２図
Ａ−Ｅは夫々第１図の動作説明用信号波形図、第３図及
び第４図は夫々本考案回路の一実施例及び変形例を示す
ブロック系統図である。
１・・・・・・入力端子、３．３’ 、 ８ａ、 ８
ｂ・・・・・・トラッキング用単安定マルチバイブレー
タ（モノマルチ）、４． ４’・・・・・・台形波用単
安定マルチバイブレータ（モノマルチ）、７・・・・・
・インバータ、ＶＲ１〜ｖＲ３・・・・・・時定数可変
用可変抵抗器（トラッキングボリウム）、ＳＷ□〜ＳＷ
４・・・・・・切換スイッチ。FIG. 1 is a block system diagram showing an example of a conventional circuit, FIGS. 2A to 2E are signal waveform diagrams for explaining the operation of FIG. It is a block systematic diagram which shows a modification. 1...Input terminal, 3.3', 8a, 8
b... Monostable multivibrator for tracking (mono multi), 4. 4'... Monostable multivibrator for trapezoidal wave (mono multi), 7...
・Inverter, VR1 to vR3... Variable resistor for variable time constant (tracking volume), SW□ to SW
4......Selector switch.
Claims (1)
路が夫々直列に接続されており、再生時に記録トラック
上をヘッドが走査するように該第１の時定数回路の時定
数を可変して得た記録時と同−緯形の出力信号によりテ
ープ走行を制御してトラッキングさせるトラッキング回
路において９、記録時は該第１の時定数回路の入力パル
スを該第２の時定数回路に印加し、再生時は該第１の時
定数回路の出力パルスを該第２の時定数回路に印加する
切換スイッチと、該第１の時定数回路に接続された時定
数可変用抵抗器とより構成したトラッキング回路。, first and second time constant circuits having substantially equal time constants are connected in series, and the time constant of the first time constant circuit is varied so that the head scans the recording track during reproduction. In a tracking circuit that controls tape running and tracks it using an output signal of the same shape as that obtained during recording, 9, during recording, the input pulse of the first time constant circuit is applied to the second time constant circuit. and a changeover switch that applies the output pulse of the first time constant circuit to the second time constant circuit during reproduction, and a variable time constant resistor connected to the first time constant circuit. tracking circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12496781U JPS5830953U (en) | 1981-08-24 | 1981-08-24 | tracking circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12496781U JPS5830953U (en) | 1981-08-24 | 1981-08-24 | tracking circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5830953U true JPS5830953U (en) | 1983-02-28 |
| JPS634272Y2 JPS634272Y2 (en) | 1988-02-03 |
Family
ID=29918811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12496781U Granted JPS5830953U (en) | 1981-08-24 | 1981-08-24 | tracking circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5830953U (en) |
-
1981
- 1981-08-24 JP JP12496781U patent/JPS5830953U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS634272Y2 (en) | 1988-02-03 |
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