JPH0449327U - - Google Patents
Info
- Publication number
- JPH0449327U JPH0449327U JP8876390U JP8876390U JPH0449327U JP H0449327 U JPH0449327 U JP H0449327U JP 8876390 U JP8876390 U JP 8876390U JP 8876390 U JP8876390 U JP 8876390U JP H0449327 U JPH0449327 U JP H0449327U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- light
- comparison means
- light emitting
- receiving section
- 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
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Description
図面は全て本考案の一実施例に係り、第１図は
反射型フオトカプラの取り付け位置を示す図、第
２図は回路ブロツク図である。
１……反射型フオトカプラ、１０……ＬＥＤ、
１１……フオトトランジスタ、１２……コンパレ
ータ。
The drawings all relate to one embodiment of the present invention; FIG. 1 is a diagram showing the mounting position of a reflective photocoupler, and FIG. 2 is a circuit block diagram. 1... Reflective photocoupler, 10... LED,
11...Phototransistor, 12...Comparator.
Claims (1)
る反射光を受光する受光部と、 該受光部出力レベルと基準レベルを比較する比
較手段を備え、 該比較手段出力にてテープ弛みを検出すること
を特徴とするテープ弛み検出装置。[Scope of Claim for Utility Model Registration] A light emitting section disposed opposite to the tape running path, a light receiving section that receives reflected light obtained by reflecting the emitted light of the light emitting section onto the tape, and an output level and standard of the light receiving section. A tape slack detection device comprising a comparison means for comparing levels, and detecting tape slack based on the output of the comparison means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8876390U JPH0449327U (en) | 1990-08-23 | 1990-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8876390U JPH0449327U (en) | 1990-08-23 | 1990-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449327U true JPH0449327U (en) | 1992-04-27 |
Family
ID=31822267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8876390U Pending JPH0449327U (en) | 1990-08-23 | 1990-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449327U (en) |
-
1990
- 1990-08-23 JP JP8876390U patent/JPH0449327U/ja active Pending
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