JPS62133239U - - Google Patents
Info
- Publication number
- JPS62133239U JPS62133239U JP2029786U JP2029786U JPS62133239U JP S62133239 U JPS62133239 U JP S62133239U JP 2029786 U JP2029786 U JP 2029786U JP 2029786 U JP2029786 U JP 2029786U JP S62133239 U JPS62133239 U JP S62133239U
- Authority
- JP
- Japan
- Prior art keywords
- detector
- period
- output
- measuring device
- waveform
- 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
- 238000005259 measurement Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第1図はR―DATの要部の概略構成図、第2
図はアナログスイツチ制御方式の周期計測回路、
第3図イ,ロ,ハは第2図の回路における出力状
態を示すものである。第4図イ,ロは周期データ
の和の偏差状況を示すグラフ、第5図はその偏差
の補正カーブを示すグラフ、第6図は全体ブロツ
ク図、第7図は周期計測及び演算の別例を示すブ
ロツク図である。
1は供給側リール、2は巻取側リール、FGは
回転速度検出器、Rは波形整形器、Mは周期計測
器、Hは補正回路、SHはサンプルホールド回路
、Kはカウンター、DRはデータラツチ、MPは
マイクロプロセツサ、Tは変換テーブルである。
Figure 1 is a schematic configuration diagram of the main parts of R-DAT, Figure 2
The figure shows a period measurement circuit using analog switch control.
3A, 3B and 3C show the output states of the circuit of FIG. 2. Figure 4 A and B are graphs showing the deviation status of the sum of period data, Figure 5 is a graph showing the correction curve of the deviation, Figure 6 is the overall block diagram, and Figure 7 is another example of period measurement and calculation. FIG. 1 is the supply reel, 2 is the take-up reel, FG is the rotation speed detector, R is the waveform shaper, M is the period meter, H is the correction circuit, SH is the sample hold circuit, K is the counter, and DR is the data latch. , MP is a microprocessor, and T is a conversion table.
Claims (1)
ル2の回転速度を検出する検出器FC、当該検出
器FGの出力を波形整形する波形整形器R、当該
波形勢形器Rの出力の周期を測定する周期計測器
M、及び当該周期計測器Mの出力を補正する補正
回路Hから成り、当該補正回路Hの出力を比較成
分としてとり出すテープスピード検出装置。 アナログスイツチSWを制御する信号を発す
る検出器FG、検出器FGの信号を波形整形する
波形整形器R、コンデンサCdの電圧をリール回
転速度の変化に比例したパルス巾に変化して周期
測定を行なう周期計測器Mおよびサンプルホール
ドSHから成る実用新案登録請求の範囲第項に
記載のテープスピード検出装置。 検出器FGの信号のクロツクパルス数をカウ
ントするカウンターKと、データラツチするデー
タラツチDRと、データラツチされたパルス数計
数値を読みとるマイクロプロセツサMPと、補正
を行なう変換テーブルTから成る周期計測器Mを
有する実用新案登録請求の範囲第項に記載のテ
ープスピード検出装置。[Claims for Utility Model Registration] A detector FC that detects the rotational speed of the tape supply reel 1 or take-up reel 2, a waveform shaper R that shapes the waveform of the output of the detector FG, and the waveform shaper A tape speed detection device comprising a period measuring device M for measuring the period of the output of R, and a correction circuit H for correcting the output of the period measuring device M, and extracting the output of the correction circuit H as a comparison component. A detector FG emits a signal to control the analog switch SW, a waveform shaper R shapes the waveform of the signal from the detector FG, and a period measurement is performed by changing the voltage of the capacitor Cd to a pulse width proportional to the change in reel rotation speed. A tape speed detection device according to claim 1, which comprises a period measuring device M and a sample hold SH. It has a period measuring device M consisting of a counter K that counts the number of clock pulses of the signal of the detector FG, a data latch DR that latches data, a microprocessor MP that reads the counted value of the number of pulses latched, and a conversion table T that performs correction. A tape speed detection device according to claim 1 of the utility model registration claim.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2029786U JPS62133239U (en) | 1986-02-14 | 1986-02-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2029786U JPS62133239U (en) | 1986-02-14 | 1986-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62133239U true JPS62133239U (en) | 1987-08-22 |
Family
ID=30815680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2029786U Pending JPS62133239U (en) | 1986-02-14 | 1986-02-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62133239U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4959611A (en) * | 1972-10-05 | 1974-06-10 | ||
JPS60119653A (en) * | 1983-11-30 | 1985-06-27 | Sony Corp | Tape driver |
-
1986
- 1986-02-14 JP JP2029786U patent/JPS62133239U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4959611A (en) * | 1972-10-05 | 1974-06-10 | ||
JPS60119653A (en) * | 1983-11-30 | 1985-06-27 | Sony Corp | Tape driver |
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