JPS5781043A - Paper conveyance detection circuit - Google Patents
Paper conveyance detection circuitInfo
- Publication number
- JPS5781043A JPS5781043A JP15844380A JP15844380A JPS5781043A JP S5781043 A JPS5781043 A JP S5781043A JP 15844380 A JP15844380 A JP 15844380A JP 15844380 A JP15844380 A JP 15844380A JP S5781043 A JPS5781043 A JP S5781043A
- Authority
- JP
- Japan
- Prior art keywords
- register
- detection circuit
- paper conveyance
- conveyance detection
- instructed
- 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
Abstract
PURPOSE: To provide a paper conveyance detection circuit of low cost and high accuracy, the number of times of testing and adjustment of which at the starting of a paper conveyor is greatly reduced, by using an analog-digital converter and a nonvolatile memory.
CONSTITUTION: At the starting of a paper conveyor, a desired sensor is selected by a multiplexer 5 and the digital value of the signal of the sensor is applied to a shift register 2. An instructed slice value in a register file 6 set through a register 4b is set in a comparator circuit 3 by a microprocessor. Said instructed slice value and the digital value in the shift register 2 are compared with each other. The result of the comparison is written in an external register 4a.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15844380A JPS5781043A (en) | 1980-11-11 | 1980-11-11 | Paper conveyance detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15844380A JPS5781043A (en) | 1980-11-11 | 1980-11-11 | Paper conveyance detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5781043A true JPS5781043A (en) | 1982-05-20 |
Family
ID=15671873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15844380A Pending JPS5781043A (en) | 1980-11-11 | 1980-11-11 | Paper conveyance detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5781043A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6377938U (en) * | 1986-11-11 | 1988-05-23 | ||
JPS6388645U (en) * | 1986-11-26 | 1988-06-09 | ||
JPS6388644U (en) * | 1986-11-26 | 1988-06-09 |
-
1980
- 1980-11-11 JP JP15844380A patent/JPS5781043A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6377938U (en) * | 1986-11-11 | 1988-05-23 | ||
JPS6388645U (en) * | 1986-11-26 | 1988-06-09 | ||
JPS6388644U (en) * | 1986-11-26 | 1988-06-09 |
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