JPS55123787A - Printer control system - Google Patents
Printer control systemInfo
- Publication number
- JPS55123787A JPS55123787A JP2997579A JP2997579A JPS55123787A JP S55123787 A JPS55123787 A JP S55123787A JP 2997579 A JP2997579 A JP 2997579A JP 2997579 A JP2997579 A JP 2997579A JP S55123787 A JPS55123787 A JP S55123787A
- Authority
- JP
- Japan
- Prior art keywords
- pins
- numbered
- signal
- characters
- register
- 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
- Dot-Matrix Printers And Others (AREA)
Abstract
PURPOSE: To extend the life of a head pin by averaging the use frequency of the head pin.
CONSTITUTION: Registers 51 and 52 store data corresponding to odd-numbered head pins and even-numbered head pins respectively. First, when characters and patterns of a large number of dots such as Chinese characters are displayed, contents of data line 53 are stored in registers 51 and 52. At this time, the output of register 51 becomes a pin driving signal through gate 56 by the signal from signal line 64, and the output of register 52 becomes a driving signal for all pins through gate 57. Meanwhile, when characters and patterns of a small number of dots such as alphanumeric characters are printed, the half of all pins is used. That is, data is inputted to only register 51, and the output is printed with corresponding odd- numbered pins or even-numbered pins by making one of gates 56 and 59 enable by the signal from signal line 63.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2997579A JPS55123787A (en) | 1979-03-16 | 1979-03-16 | Printer control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2997579A JPS55123787A (en) | 1979-03-16 | 1979-03-16 | Printer control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55123787A true JPS55123787A (en) | 1980-09-24 |
Family
ID=12290952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2997579A Pending JPS55123787A (en) | 1979-03-16 | 1979-03-16 | Printer control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55123787A (en) |
-
1979
- 1979-03-16 JP JP2997579A patent/JPS55123787A/en active Pending
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