JPS56164483A - Dangerous temperature production preventing system for dot type head - Google Patents

Dangerous temperature production preventing system for dot type head

Info

Publication number
JPS56164483A
JPS56164483A JP6802780A JP6802780A JPS56164483A JP S56164483 A JPS56164483 A JP S56164483A JP 6802780 A JP6802780 A JP 6802780A JP 6802780 A JP6802780 A JP 6802780A JP S56164483 A JPS56164483 A JP S56164483A
Authority
JP
Japan
Prior art keywords
fed
type head
thermal sensor
dot type
preventing system
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.)
Granted
Application number
JP6802780A
Other languages
Japanese (ja)
Other versions
JPH0129712B2 (en
Inventor
Yutaka Nakajima
Minoru Okabayashi
Kiyobumi Nosaka
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.)
Usac Electronic Ind Co Ltd
Original Assignee
Usac Electronic Ind 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 Usac Electronic Ind Co Ltd filed Critical Usac Electronic Ind Co Ltd
Priority to JP6802780A priority Critical patent/JPS56164483A/en
Publication of JPS56164483A publication Critical patent/JPS56164483A/en
Publication of JPH0129712B2 publication Critical patent/JPH0129712B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/377—Cooling or ventilating arrangements

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Impact Printers (AREA)

Abstract

PURPOSE:To prevent burnt magnet coil and missing dots, by always detecting the temperature of a dot type head and making the cooling operation according to the detected temperature. CONSTITUTION:A print hea 10 is provided with a vent 13 and a thermal sensor 12. The output of the thermal sensor is fed to a microprocessor of a printer control section. According to the combination of the output of each thermal sensor, the processor controls the operation of a printer with the relation of the instruction of the upper rank device. For example, assuming the average temperature of the sensor as T, when T1<=T<T2, and when line feed is made on the bas is of the line feed command, the normal end status is not immediately fed to the upper rank device and the normal end status is fed after the prescribed print head pause time.
JP6802780A 1980-05-21 1980-05-21 Dangerous temperature production preventing system for dot type head Granted JPS56164483A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6802780A JPS56164483A (en) 1980-05-21 1980-05-21 Dangerous temperature production preventing system for dot type head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6802780A JPS56164483A (en) 1980-05-21 1980-05-21 Dangerous temperature production preventing system for dot type head

Publications (2)

Publication Number Publication Date
JPS56164483A true JPS56164483A (en) 1981-12-17
JPH0129712B2 JPH0129712B2 (en) 1989-06-13

Family

ID=13361912

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6802780A Granted JPS56164483A (en) 1980-05-21 1980-05-21 Dangerous temperature production preventing system for dot type head

Country Status (1)

Country Link
JP (1) JPS56164483A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5987191A (en) * 1982-11-10 1984-05-19 Brother Ind Ltd Serial printer
US4541747A (en) * 1982-11-10 1985-09-17 Brother Kogyo Kabushiki Kaisha Motor drive control circuit to restrict motor temperature rise below an upper limit
US4571101A (en) * 1983-10-20 1986-02-18 Brother Industries, Ltd. Print head
EP0173578A2 (en) * 1984-08-31 1986-03-05 Kabushiki Kaisha Toshiba Printing device
US4639650A (en) * 1984-02-17 1987-01-27 Citizen Watch Co., Ltd. Control system for a cooling fan in an impact printer
US4705412A (en) * 1982-12-17 1987-11-10 Citizen Watch Co., Ltd. Protection circuit for drive transistor of printer head

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494414U (en) * 1977-12-09 1979-07-04
JPS54179226U (en) * 1978-06-06 1979-12-18
JPS5570256A (en) * 1978-11-17 1980-05-27 Nestle Sa Device that sterilize and *or* homogenize fluid product

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494414U (en) * 1977-12-09 1979-07-04
JPS54179226U (en) * 1978-06-06 1979-12-18
JPS5570256A (en) * 1978-11-17 1980-05-27 Nestle Sa Device that sterilize and *or* homogenize fluid product

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5987191A (en) * 1982-11-10 1984-05-19 Brother Ind Ltd Serial printer
US4541747A (en) * 1982-11-10 1985-09-17 Brother Kogyo Kabushiki Kaisha Motor drive control circuit to restrict motor temperature rise below an upper limit
JPH0313988B2 (en) * 1982-11-10 1991-02-25 Brother Ind Ltd
US4705412A (en) * 1982-12-17 1987-11-10 Citizen Watch Co., Ltd. Protection circuit for drive transistor of printer head
US4571101A (en) * 1983-10-20 1986-02-18 Brother Industries, Ltd. Print head
US4639650A (en) * 1984-02-17 1987-01-27 Citizen Watch Co., Ltd. Control system for a cooling fan in an impact printer
EP0173578A2 (en) * 1984-08-31 1986-03-05 Kabushiki Kaisha Toshiba Printing device

Also Published As

Publication number Publication date
JPH0129712B2 (en) 1989-06-13

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