JPS5693577A - Controlling method for printer - Google Patents
Controlling method for printerInfo
- Publication number
- JPS5693577A JPS5693577A JP17241779A JP17241779A JPS5693577A JP S5693577 A JPS5693577 A JP S5693577A JP 17241779 A JP17241779 A JP 17241779A JP 17241779 A JP17241779 A JP 17241779A JP S5693577 A JPS5693577 A JP S5693577A
- Authority
- JP
- Japan
- Prior art keywords
- motor
- circuit
- rotation
- current
- resetting
- 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 set a home position surely at a printing position by stopping the rotation of a motor by means of a sensor detecting the home position on a type wheel and by resetting a current-position counter in a type selection controlling circuit at zero.
CONSTITUTION: When a bar member 14, following up the rotation of the motor 10, rotates to the position of a photosensor 15 and the output level of the sensor 15 is changed sharply, an AND circuit 25 is turned on by the differential output of a differential circuit 24 and a flip-flop 21 is returned to the state of resetting through the intermediary of a one-shot multiplier 26. A motor driving circuit 22 is deactuated and the rotation of the motor 10 is stopped immediately. At this time, the home position is in the printing position, and a character just printed can be confirmed visually. A current-position counter built in the type selection controlling circuit 27 is reset forcedly at zero and, when an error in selection occurs by the temporary false operation of the current-position counter, it is corrected at every visible operation.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17241779A JPS5693577A (en) | 1979-12-27 | 1979-12-27 | Controlling method for printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17241779A JPS5693577A (en) | 1979-12-27 | 1979-12-27 | Controlling method for printer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5693577A true JPS5693577A (en) | 1981-07-29 |
Family
ID=15941568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17241779A Pending JPS5693577A (en) | 1979-12-27 | 1979-12-27 | Controlling method for printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5693577A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59145170A (en) * | 1983-02-09 | 1984-08-20 | Canon Inc | Printer |
-
1979
- 1979-12-27 JP JP17241779A patent/JPS5693577A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59145170A (en) * | 1983-02-09 | 1984-08-20 | Canon Inc | Printer |
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