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
Application number
JP2029786U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP2029786U priority Critical patent/JPS62133239U/ja
Publication of JPS62133239U publication Critical patent/JPS62133239U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】 テープの供給側リール1あるいは巻取側リー
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.
JP2029786U 1986-02-14 1986-02-14 Pending JPS62133239U (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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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