JPS5587289A - Serial dot printer - Google Patents
Serial dot printerInfo
- Publication number
- JPS5587289A JPS5587289A JP16407778A JP16407778A JPS5587289A JP S5587289 A JPS5587289 A JP S5587289A JP 16407778 A JP16407778 A JP 16407778A JP 16407778 A JP16407778 A JP 16407778A JP S5587289 A JPS5587289 A JP S5587289A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- motor
- printing
- element driving
- speed
- 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
- Accessory Devices And Overall Control Thereof (AREA)
- Dot-Matrix Printers And Others (AREA)
Abstract
PURPOSE: To vary a print speed, etc., without causing a trouble due to a change in temperature, by detecting the change in temperature of an element driving part.
CONSTITUTION: Print information is temporarily stored in line buffer LB and drives electromagnet MGN as a printing element driving part through electromagnet driver circuit MND. Instead of the internal temperature of the driving part, an enclosure temperature is measured by a thermocouple and detected by temperature detector TM to calculate a difference between the temperature and a reference operating temperature, and a new value with a driving period made slow is obtained by driving period selector circuit DPS from the difference. Then, motor-speed calculation circuit MSC finds a motor speed corresponding to the value selected by DPS to turn motor SM through motor driver circuit SMD. Then, a signal obtained by speed detector SCH composed of a rotary disk with slits and an optical detector reaches MND as printing-element driving timing. Consequently, the printing-element driving period becomes slow and the mean value of a driving current lowers.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16407778A JPS5587289A (en) | 1978-12-26 | 1978-12-26 | Serial dot printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16407778A JPS5587289A (en) | 1978-12-26 | 1978-12-26 | Serial dot printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5587289A true JPS5587289A (en) | 1980-07-01 |
Family
ID=15786334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16407778A Pending JPS5587289A (en) | 1978-12-26 | 1978-12-26 | Serial dot printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5587289A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124684A (en) * | 1979-03-20 | 1980-09-25 | Nippon Telegr & Teleph Corp <Ntt> | Printing velocity controller |
| JPS5653084A (en) * | 1979-10-08 | 1981-05-12 | Hitachi Ltd | Printer |
| JPS56117668A (en) * | 1980-02-20 | 1981-09-16 | Brother Ind Ltd | Drive circuit for impact-type dot printer |
| JPS5763262A (en) * | 1980-10-04 | 1982-04-16 | Usac Electronics Ind Co Ltd | Print head |
| JPS57160657A (en) * | 1981-03-31 | 1982-10-04 | Fujitsu Ltd | Printing control system in dot printer |
| JPS5938069A (en) * | 1982-08-27 | 1984-03-01 | Canon Inc | Impact printer |
| JPS5938070A (en) * | 1982-08-27 | 1984-03-01 | Fujitsu Ltd | Printer |
| JPS5973975A (en) * | 1982-10-20 | 1984-04-26 | Hitachi Ltd | System for protecting heat sensitive recording head |
-
1978
- 1978-12-26 JP JP16407778A patent/JPS5587289A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124684A (en) * | 1979-03-20 | 1980-09-25 | Nippon Telegr & Teleph Corp <Ntt> | Printing velocity controller |
| JPS5653084A (en) * | 1979-10-08 | 1981-05-12 | Hitachi Ltd | Printer |
| JPS56117668A (en) * | 1980-02-20 | 1981-09-16 | Brother Ind Ltd | Drive circuit for impact-type dot printer |
| JPS5763262A (en) * | 1980-10-04 | 1982-04-16 | Usac Electronics Ind Co Ltd | Print head |
| JPS57160657A (en) * | 1981-03-31 | 1982-10-04 | Fujitsu Ltd | Printing control system in dot printer |
| JPS5938069A (en) * | 1982-08-27 | 1984-03-01 | Canon Inc | Impact printer |
| JPS5938070A (en) * | 1982-08-27 | 1984-03-01 | Fujitsu Ltd | Printer |
| JPS5973975A (en) * | 1982-10-20 | 1984-04-26 | Hitachi Ltd | System for protecting heat sensitive recording head |
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