JPH0181723U - - Google Patents
Info
- Publication number
- JPH0181723U JPH0181723U JP1987176107U JP17610787U JPH0181723U JP H0181723 U JPH0181723 U JP H0181723U JP 1987176107 U JP1987176107 U JP 1987176107U JP 17610787 U JP17610787 U JP 17610787U JP H0181723 U JPH0181723 U JP H0181723U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- capstan
- tape slack
- take
- reel
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は本考案の一実施例のテープたるみ検出
装置の構成概念図、第２図は第１図に示す実施例
装置の作動のフローチヤート、第３図ａはリール
パルス信号の例示波形図、第３図ｂはキヤプスタ
ンＦＧの例示波形図、第４図は従来のテープたる
み検出装置の一例の構成概念図、第５図は第４図
に示す従来装置の作動のフローチヤート、第６図
ａはリールパルス信号の例示波形図、第６図ｂは
基準クロツクの例示波形図である。
符号の説明、１……テープたるみ検出装置、２
……巻取リール台の下部の刻み、３……フオトリ
フレクタ、４……テープ速度切換スイツチ、５…
…マイコン、６……ＦＧ。
Fig. 1 is a conceptual diagram of the structure of a tape slack detection device according to an embodiment of the present invention, Fig. 2 is a flowchart of the operation of the embodiment shown in Fig. 1, and Fig. 3a is an exemplary waveform diagram of a reel pulse signal. , FIG. 3b is an exemplary waveform diagram of the capstan FG, FIG. 4 is a conceptual diagram of the configuration of an example of a conventional tape slack detection device, FIG. 5 is a flowchart of the operation of the conventional device shown in FIG. 4, and FIG. 6 6a is an exemplary waveform diagram of the reel pulse signal, and FIG. 6b is an exemplary waveform diagram of the reference clock. Explanation of symbols, 1...Tape slack detection device, 2
... Notch at the bottom of the take-up reel stand, 3... Photo reflector, 4... Tape speed selection switch, 5...
...Microcomputer, 6...FG.
Claims (1)
台までの間にテープたるみを生じたことを検出す
るための装置であつて、巻取リール台の回転速度
に応じたパルス幅のリールパルス信号を出力する
リールパルス信号出力手段と、キヤプスタンサー
ボのためのキヤプスタンＦＧのカウントによつて
前記パルス幅を検出するパルス幅検出手段と、前
記パルス幅が所定値以上のときにテープたるみが
生じたと判定する判定手段とを具備してなること
を特徴とするテープたるみ検出装置。 A device for detecting tape slack between a capstan and a pinch roller to a take-up reel stand, and outputs a reel pulse signal with a pulse width corresponding to the rotational speed of the take-up reel stand. pulse signal output means; pulse width detection means for detecting the pulse width by counting a capstan FG for capstan servo; and a determination for determining that tape slack has occurred when the pulse width is equal to or greater than a predetermined value. A tape slack detection device comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176107U JPH0181723U (en) | 1987-11-18 | 1987-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176107U JPH0181723U (en) | 1987-11-18 | 1987-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181723U true JPH0181723U (en) | 1989-05-31 |
Family
ID=31467867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987176107U Pending JPH0181723U (en) | 1987-11-18 | 1987-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181723U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62246161A (en) * | 1986-04-18 | 1987-10-27 | Mitsubishi Electric Corp | Magnetic tape recording and reproducing device |
-
1987
- 1987-11-18 JP JP1987176107U patent/JPH0181723U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62246161A (en) * | 1986-04-18 | 1987-10-27 | Mitsubishi Electric Corp | Magnetic tape recording and reproducing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5641544A (en) | Magnetic recording and reproducing unit | |
| JPS6435531U (en) | ||
| JPS6415333U (en) | ||
| JPH0411231Y2 (en) | ||
| JPH042332U (en) | ||
| JPH0280328U (en) | ||
| JPS6349683U (en) | ||
| JPH0268330U (en) | ||
| JPS5963833U (en) | tape recorder | |
| JPH0175323U (en) | ||
| JPH032440U (en) | ||
| JPS6261092U (en) | ||
| JPS59153636U (en) | Random repeat device for tape recorder | |
| JPS6161629U (en) | ||
| JPS59130845U (en) | Tape winding speed control device | |
| JPS63157860U (en) | ||
| JPS6391887U (en) | ||
| JPS60106107U (en) | distance measuring device | |
| JPH02135935U (en) | ||
| JPH0431484U (en) | ||
| JPS6245789U (en) | ||
| JPS60169787U (en) | tape counter device | |
| JPS648232U (en) | ||
| JPS60175385U (en) | Audio signal reproducing device | |
| JPS6164630U (en) |