JPS62181549U - - Google Patents
Info
- Publication number
- JPS62181549U JPS62181549U JP6978986U JP6978986U JPS62181549U JP S62181549 U JPS62181549 U JP S62181549U JP 6978986 U JP6978986 U JP 6978986U JP 6978986 U JP6978986 U JP 6978986U JP S62181549 U JPS62181549 U JP S62181549U
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- characteristic detector
- light switch
- moving
- absence
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Description
第１図は本考案の一実施例の構成説明図、第２
図は第１図の動作説明図、第３図は従来より一般
に使用されている従来例の構成説明図である。
１……移動台、２……シート特性検出器、４…
…第１光スイツチ、５……第２光スイツチ。
Figure 1 is an explanatory diagram of the configuration of one embodiment of the present invention;
1 is an explanatory diagram of the operation of FIG. 1, and FIG. 3 is an explanatory diagram of the configuration of a conventional example that has been generally used. 1...Moving table, 2...Sheet characteristic detector, 4...
...First light switch, 5...Second light switch.
Claims (1)
動台に設けられたシート幅移動中に測定した値の
平均値を折返し位置で測定信号として出力するシ
ート特性検出器と、該特性検出器の両側のシート
幅方向にそれぞれ設けられシートの有無を検出す
る第１光スイツチと、該第１光スイツチよりシー
ト端側の下流側位置にて前記移動台に取付けられ
シートの有無を検出する第２光スイツチと、前記
移動台の進行方向側の該第２光スイツチがオフシ
ートを検出した際に前記第１光スイツチの少くと
も一方がオフシートを検出した場合にシート切れ
と判定する中央処理装置とを具備したことを特徴
とするシート切れ検出装置。 A movable base that reciprocates in the width direction of the sheet, a sheet characteristic detector provided on the movable base that outputs an average value of the values measured while moving the sheet width as a measurement signal at a turning position, and a sheet characteristic detector of the characteristic detector. a first light switch provided in the sheet width direction on both sides to detect the presence or absence of the sheet; and a second light switch attached to the movable table at a downstream position on the sheet end side from the first light switch to detect the presence or absence of the sheet. an optical switch, and a central processing unit that determines that a sheet is out when at least one of the first optical switches detects an off sheet when the second optical switch on the moving direction side of the moving table detects an off sheet; A sheet breakage detection device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6978986U JPH052523Y2 (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6978986U JPH052523Y2 (en) | 1986-05-09 | 1986-05-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62181549U true JPS62181549U (en) | 1987-11-18 |
| JPH052523Y2 JPH052523Y2 (en) | 1993-01-21 |
Family
ID=30910835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6978986U Expired - Lifetime JPH052523Y2 (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052523Y2 (en) |
-
1986
- 1986-05-09 JP JP6978986U patent/JPH052523Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052523Y2 (en) | 1993-01-21 |