JPS60116634U - Magnetic tape running speed control circuit - Google Patents
Magnetic tape running speed control circuitInfo
- Publication number
- JPS60116634U JPS60116634U JP22984U JP22984U JPS60116634U JP S60116634 U JPS60116634 U JP S60116634U JP 22984 U JP22984 U JP 22984U JP 22984 U JP22984 U JP 22984U JP S60116634 U JPS60116634 U JP S60116634U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- magnetic tape
- frequency
- running speed
- signal
- 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図は従来の磁気テープ走行速度制御回路のブロック
図を第２図、第３図は本考案における磁気テープ走行速
度制御回路のブロック図をそれぞれ示している。
２・・・キャプスタンモータ、３・・・回転速度検出器
、４，６・・・イコライザ増幅器、５・・・磁気ヘッド
、７・・・スイッチ、８・・・波形整形回路、９，１９
・・・Ｆ／Ｖ変換器、１０・・・電圧比較器、１２・・
・サーボ増幅器、１３・・・基準周波数信号発生器、１
４゜１５・・・分周器、１６・・・位相比較器、２９・
・・集積回路のチップ。
−８−
−１３１５−
１−−−−’、’−’FIG. 1 shows a block diagram of a conventional magnetic tape running speed control circuit, and FIG. 2 shows a block diagram of a magnetic tape running speed control circuit according to the present invention. 2... Capstan motor, 3... Rotation speed detector, 4, 6... Equalizer amplifier, 5... Magnetic head, 7... Switch, 8... Waveform shaping circuit, 9, 19
...F/V converter, 10...Voltage comparator, 12...
・Servo amplifier, 13...Reference frequency signal generator, 1
4゜15... Frequency divider, 16... Phase comparator, 29.
...Integrated circuit chip. -8- -1315- 1-----','-'
Claims (2)
ルス信号を発生する磁気テープ走行速度パルス信号発生
手段と該磁気テープ走行速度パルス信号発生手段の出力
信号をその周波数に比例した電圧信号に変換する第１の
周波数・電圧変換手段と、磁気テープの走行速度の設定
値に対応した複数の周波数のパルス信号を発生する基準
周波数信号発生手段と該基準周波数信号発生手段の出力
信号をその周波数に比例した電圧信号に変換する第２の
周波数・電圧変換手段と、第１の周波数・電圧変換手段
の出力電圧信号と第２の周波数・電圧変換手段の出力電
圧信号との差電圧に比例した電圧信号を発生する電圧比
較手段とを具備し、該電圧比較手段の出力信号に基−づ
いて磁気テープの走行速度を制御したことを特徴とする
磁気テープ走行速度制御回路。(1) Magnetic tape running speed pulse signal generating means for generating a pulse signal with a frequency proportional to the running speed of the magnetic tape, and converting the output signal of the magnetic tape running speed pulse signal generating means into a voltage signal proportional to the frequency. a first frequency/voltage conversion means; a reference frequency signal generation means for generating pulse signals of a plurality of frequencies corresponding to a set value of the running speed of the magnetic tape; and an output signal of the reference frequency signal generation means proportional to the frequency. and a voltage signal proportional to the difference voltage between the output voltage signal of the first frequency/voltage conversion means and the output voltage signal of the second frequency/voltage conversion means. 1. A magnetic tape running speed control circuit, comprising: voltage comparing means for generating a voltage, and controlling the running speed of the magnetic tape based on an output signal of the voltage comparing means.
圧変換手段はそれぞれ等しい温度特性を有すると共に熱
的にも結合されていることを特・−徴とする実用新案登
録請求の範囲第１項記載の磁気テープ走行速度制御回路
。(2) Claims for registration of a utility model characterized in that the first frequency/voltage converting means and the second frequency/voltage converting means each have equal temperature characteristics and are also thermally coupled. 2. The magnetic tape running speed control circuit according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22984U JPS60116634U (en) | 1984-01-05 | 1984-01-05 | Magnetic tape running speed control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22984U JPS60116634U (en) | 1984-01-05 | 1984-01-05 | Magnetic tape running speed control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60116634U true JPS60116634U (en) | 1985-08-07 |
| JPH0222821Y2 JPH0222821Y2 (en) | 1990-06-20 |
Family
ID=30471899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22984U Granted JPS60116634U (en) | 1984-01-05 | 1984-01-05 | Magnetic tape running speed control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60116634U (en) |
-
1984
- 1984-01-05 JP JP22984U patent/JPS60116634U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0222821Y2 (en) | 1990-06-20 |
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