JPH01116651U - - Google Patents
Info
- Publication number
- JPH01116651U JPH01116651U JP1225688U JP1225688U JPH01116651U JP H01116651 U JPH01116651 U JP H01116651U JP 1225688 U JP1225688 U JP 1225688U JP 1225688 U JP1225688 U JP 1225688U JP H01116651 U JPH01116651 U JP H01116651U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- detection
- counting
- timing
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims 13
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Handling Of Cut Paper (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は実施例の各部の入出力信号波形図である。
１Ａ，１Ｂ……用紙センサ、２……タイミング
判定回路、３……アツプダウンカウンタ、４……
オフセツト値設定回路、５……モニタ用表示器、
６……コンパレータ、７……発光ダイオード、８
……クロツク発振器、９……反転回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is an input/output signal waveform diagram of each part of the embodiment. 1A, 1B... Paper sensor, 2... Timing judgment circuit, 3... Up/down counter, 4...
Offset value setting circuit, 5...monitoring display,
6... Comparator, 7... Light emitting diode, 8
...Clock oscillator, 9...Inversion circuit.
Claims (1)
用紙の通過を検出する第１および第２の用紙検出
手段と、 第１および第２の用紙検出手段のうちいずれの
用紙通過検出タイミングが早いかを判定する検出
タイミング判定手段と、 第１の用紙検出手段の用紙検出タイミングが早
い時はアツプカウント、第２の用紙検出手段の用
紙検出タイミングが早い時はダウンカウント状態
となり、両検出手段における用紙検出タイミング
の差をカウントするアツプダウンカウント手段と
、用紙を正常状態で搬送させた時の両検出手段に
おける用紙検出タイミングの差を前記アツプダウ
ンカウント手段にオフセツト値として初期設定す
る設定手段と、 前記アツプダウンカウント手段のカウント値と
許容の斜行値とを比較し、斜行の有無を検出する
比較手段と、 を備えて成る用紙の斜行検出装置。[Claims for utility model registration]
first and second paper detection means for detecting passage of paper; detection timing determination means for determining which paper passage detection timing is earlier among the first and second paper detection means; up-down counting means for counting up when the paper detection timing of the detection means is early, and counting down when the paper detection timing of the second paper detection means is early, and counting the difference between the paper detection timings of both the detection means; a setting means for initially setting the difference in paper detection timing in both the detection means when the paper is conveyed in a normal state as an offset value in the up-down count means; A paper skew detection device comprising: a comparison means for comparing the values with the paper and detecting the presence or absence of skew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012256U JP2524042Y2 (en) | 1988-02-01 | 1988-02-01 | Paper skew detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988012256U JP2524042Y2 (en) | 1988-02-01 | 1988-02-01 | Paper skew detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01116651U true JPH01116651U (en) | 1989-08-07 |
| JP2524042Y2 JP2524042Y2 (en) | 1997-01-29 |
Family
ID=31221543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988012256U Expired - Lifetime JP2524042Y2 (en) | 1988-02-01 | 1988-02-01 | Paper skew detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2524042Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60190751U (en) * | 1984-05-25 | 1985-12-17 | 日立工機株式会社 | Paper skew detection device |
-
1988
- 1988-02-01 JP JP1988012256U patent/JP2524042Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60190751U (en) * | 1984-05-25 | 1985-12-17 | 日立工機株式会社 | Paper skew detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2524042Y2 (en) | 1997-01-29 |
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