JPS55124684A - Printing velocity controller - Google Patents

Printing velocity controller

Info

Publication number
JPS55124684A
JPS55124684A JP3169879A JP3169879A JPS55124684A JP S55124684 A JPS55124684 A JP S55124684A JP 3169879 A JP3169879 A JP 3169879A JP 3169879 A JP3169879 A JP 3169879A JP S55124684 A JPS55124684 A JP S55124684A
Authority
JP
Japan
Prior art keywords
printing
velocity
head
carriage
circuit
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
Application number
JP3169879A
Other languages
Japanese (ja)
Inventor
Koichiro Ishikawa
Kiyoshi Itao
Seiji Araki
Kazuo Sakaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP3169879A priority Critical patent/JPS55124684A/en
Publication of JPS55124684A publication Critical patent/JPS55124684A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent a printing head from being overheated and lengthen its lifetime, by attaching a temperature sensor to the printing head or a carriage and controlling the velocity and timing of printing depending on a detected temperature.
CONSTITUTION: A printing head 3 mounted on a carriage 4 is moved in parallel with the surface of paper 2 by a driving motor 5. At the same time. a corresponding wire is caused by a magnet in the head to collide against the paper 2 to print a character. The rise in the temperature of the head 3 above a prescribed level is detected through a temperature sensor 6 and a detection circuit 7 to apply a printing velocity fall instruction to a printer control circuit 9. The rotational frequency of the carriage driving motor 5 is reduced through a driving circuit 11 so that the velocity of printing coincides with the value of a printing velocity setting circuit 8. At that time, driving power frequency is reduced by an electromagnet driving circuit 10. The printing velocity of the printing heat 3 is thus diminished to decrease its calorific value.
COPYRIGHT: (C)1980,JPO&Japio
JP3169879A 1979-03-20 1979-03-20 Printing velocity controller Pending JPS55124684A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3169879A JPS55124684A (en) 1979-03-20 1979-03-20 Printing velocity controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3169879A JPS55124684A (en) 1979-03-20 1979-03-20 Printing velocity controller

Publications (1)

Publication Number Publication Date
JPS55124684A true JPS55124684A (en) 1980-09-25

Family

ID=12338285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3169879A Pending JPS55124684A (en) 1979-03-20 1979-03-20 Printing velocity controller

Country Status (1)

Country Link
JP (1) JPS55124684A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60172573A (en) * 1984-02-17 1985-09-06 Nec Corp Printer
US4664542A (en) * 1984-08-31 1987-05-12 Kabushiki Kaisha Toshiba Temperature control device for a printing head
US4705412A (en) * 1982-12-17 1987-11-10 Citizen Watch Co., Ltd. Protection circuit for drive transistor of printer head
US4743127A (en) * 1984-12-28 1988-05-10 Fujitsu Limited Device for distributive dot printing for printer
JPH0252779A (en) * 1988-08-16 1990-02-22 Fujitsu Ltd Printing control system of printer
JPH04232080A (en) * 1990-12-28 1992-08-20 Star Micronics Co Ltd Method for sending carriage of serial printer
US5166699A (en) * 1990-04-11 1992-11-24 Canon Kabushiki Kaisha Recording apparatus
JPH05138980A (en) * 1991-11-20 1993-06-08 Pfu Ltd Carrier control system of multi-head printer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587289A (en) * 1978-12-26 1980-07-01 Fujitsu Ltd Serial dot printer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587289A (en) * 1978-12-26 1980-07-01 Fujitsu Ltd Serial dot printer

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705412A (en) * 1982-12-17 1987-11-10 Citizen Watch Co., Ltd. Protection circuit for drive transistor of printer head
JPS60172573A (en) * 1984-02-17 1985-09-06 Nec Corp Printer
US4664542A (en) * 1984-08-31 1987-05-12 Kabushiki Kaisha Toshiba Temperature control device for a printing head
US4743127A (en) * 1984-12-28 1988-05-10 Fujitsu Limited Device for distributive dot printing for printer
JPH0252779A (en) * 1988-08-16 1990-02-22 Fujitsu Ltd Printing control system of printer
US5166699A (en) * 1990-04-11 1992-11-24 Canon Kabushiki Kaisha Recording apparatus
US5367325A (en) * 1990-04-11 1994-11-22 Canon Kabushiki Kaisha Recording apparatus with temperature detection and compensation
JPH04232080A (en) * 1990-12-28 1992-08-20 Star Micronics Co Ltd Method for sending carriage of serial printer
JPH05138980A (en) * 1991-11-20 1993-06-08 Pfu Ltd Carrier control system of multi-head printer

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