JPS55156153A - Detecting device for amount of paper - Google Patents
Detecting device for amount of paperInfo
- Publication number
- JPS55156153A JPS55156153A JP6297979A JP6297979A JPS55156153A JP S55156153 A JPS55156153 A JP S55156153A JP 6297979 A JP6297979 A JP 6297979A JP 6297979 A JP6297979 A JP 6297979A JP S55156153 A JPS55156153 A JP S55156153A
- Authority
- JP
- Japan
- Prior art keywords
- amount
- paper
- printing paper
- printing
- indicating
- 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
- Paper Feeding For Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Handling Of Continuous Sheets Of Paper (AREA)
Abstract
PURPOSE: To inform a user a remained amount of printing paper and to prevent an interruption of a process due to insufficinet amount of the paper by a method wherein the amount of the printing paper being set in a printing device is detected to generate a signal indicating a using condition of the printing paper.
CONSTITUTION: A position of a paper carrying table PP elevated in accordance with an amount of a printing paper P is detected to inform a user the remained amount of the printing paper P by indicating a condition thereof in an operating portion OP. A proper sets of position detecting sensors are provided at predetermined plural positions within an elevating range of the paper carrying table PP, for example. Further, photocouplers 1W3 corresponding to each sensor are provided and amplifiers 5W7 are coupled to them respectively. On the other hand, LED drivers 8W11, flip flops 12, 13 and LEDs (luminous elements) 15W18 for indicating the amount of the paper are provided and each of them are coupled to the photocouplers 1W3. According to this method, respective LED15W18 are flickered sequentially and the remained amount of the printing paper P is indicated.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6297979A JPS55156153A (en) | 1979-05-22 | 1979-05-22 | Detecting device for amount of paper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6297979A JPS55156153A (en) | 1979-05-22 | 1979-05-22 | Detecting device for amount of paper |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55156153A true JPS55156153A (en) | 1980-12-04 |
Family
ID=13215976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6297979A Pending JPS55156153A (en) | 1979-05-22 | 1979-05-22 | Detecting device for amount of paper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55156153A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6040352U (en) * | 1983-08-24 | 1985-03-20 | 横河電機株式会社 | Chart feed mechanism |
KR20030017255A (en) * | 2001-08-24 | 2003-03-03 | 주식회사 엘지이아이 | A key display circuit |
US7899342B2 (en) * | 2003-04-25 | 2011-03-01 | Sharp Kabushiki Kaisha | Image forming apparatus |
-
1979
- 1979-05-22 JP JP6297979A patent/JPS55156153A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6040352U (en) * | 1983-08-24 | 1985-03-20 | 横河電機株式会社 | Chart feed mechanism |
KR20030017255A (en) * | 2001-08-24 | 2003-03-03 | 주식회사 엘지이아이 | A key display circuit |
US7899342B2 (en) * | 2003-04-25 | 2011-03-01 | Sharp Kabushiki Kaisha | Image forming apparatus |
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