JPH02101330U - - Google Patents
Info
- Publication number
- JPH02101330U JPH02101330U JP970989U JP970989U JPH02101330U JP H02101330 U JPH02101330 U JP H02101330U JP 970989 U JP970989 U JP 970989U JP 970989 U JP970989 U JP 970989U JP H02101330 U JPH02101330 U JP H02101330U
- Authority
- JP
- Japan
- Prior art keywords
- measuring
- photo sensor
- measuring means
- reverse rotation
- take
- 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 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示すブロツク構成
図、第２図は第１および第２のフオトセンサの出
力信号を示すタイミングチヤート、第３図乃至第
５図はテープの巻き込みが生じる様子を説明する
ための模式図である。
１１……反射板、１２……反射面、１３……非
反射面、１４，１５……第１、第２のフオトセン
サ、１６……第１の計測手段、１７……第２の計
測手段、１８……逆回転検出手段、１９……イジ
エクト機構。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a timing chart showing the output signals of the first and second photo sensors, and Figs. 3 to 5 show how the tape is wound. It is a schematic diagram for explanation. DESCRIPTION OF SYMBOLS 11... Reflection plate, 12... Reflection surface, 13... Non-reflection surface, 14, 15... First and second photo sensors, 16... First measuring means, 17... Second measuring means, 18... Reverse rotation detection means, 19... Eject mechanism.
Claims (1)
に位相の異なる信号を発生する第１および第２の
フオトセンサと、 所定の巻き取り方向に巻き取りリール台を回転
させている時に前記第１のフオトセンサにより出
力される信号の正パルスの出力時間を計測する第
１の計測手段と、 この第１の計測手段の計測開始時から前記第２
のフオトセンサにより出力される信号の立上り迄
の時間を計測する第２の計測手段と、 第１および第２の計測手段により計測された時
間を比較してその比較結果に基づいて前記巻き取
りリール台の逆回転を検出する逆回転検出手段と
を具備したことを特徴とする巻き込み検知装置。[Claims for Utility Model Registration] First and second photo sensors that generate signals having different phases each time a take-up reel stand rotates by a predetermined angle; a first measuring means for measuring the output time of a positive pulse of the signal outputted by the first photo sensor when the first photo sensor is in use;
a second measuring means for measuring the time until the rise of the signal output by the photo sensor; and comparing the times measured by the first and second measuring means, and based on the comparison result, the take-up reel stand 1. An entanglement detection device comprising: reverse rotation detection means for detecting reverse rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP970989U JPH02101330U (en) | 1989-01-30 | 1989-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP970989U JPH02101330U (en) | 1989-01-30 | 1989-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101330U true JPH02101330U (en) | 1990-08-13 |
Family
ID=31216691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP970989U Pending JPH02101330U (en) | 1989-01-30 | 1989-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101330U (en) |
-
1989
- 1989-01-30 JP JP970989U patent/JPH02101330U/ja active Pending
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