JPS57205179A - Thermal printer - Google Patents

Thermal printer

Info

Publication number
JPS57205179A
JPS57205179A JP8949081A JP8949081A JPS57205179A JP S57205179 A JPS57205179 A JP S57205179A JP 8949081 A JP8949081 A JP 8949081A JP 8949081 A JP8949081 A JP 8949081A JP S57205179 A JPS57205179 A JP S57205179A
Authority
JP
Japan
Prior art keywords
pulse
pulse width
drive
thermistor
response
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
JP8949081A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0253232B2 (enrdf_load_stackoverflow
Inventor
Kanji Nagai
Norio Shimoyama
Yukio Tokunaga
Keiichi Nagakura
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 JP8949081A priority Critical patent/JPS57205179A/ja
Publication of JPS57205179A publication Critical patent/JPS57205179A/ja
Publication of JPH0253232B2 publication Critical patent/JPH0253232B2/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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • B41J2/36—Print density control
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • B41J2/36—Print density control
    • B41J2/365—Print density control by compensation for variation in temperature

Landscapes

  • Electronic Switches (AREA)
JP8949081A 1981-06-12 1981-06-12 Thermal printer Granted JPS57205179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8949081A JPS57205179A (en) 1981-06-12 1981-06-12 Thermal printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8949081A JPS57205179A (en) 1981-06-12 1981-06-12 Thermal printer

Publications (2)

Publication Number Publication Date
JPS57205179A true JPS57205179A (en) 1982-12-16
JPH0253232B2 JPH0253232B2 (enrdf_load_stackoverflow) 1990-11-16

Family

ID=13972186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8949081A Granted JPS57205179A (en) 1981-06-12 1981-06-12 Thermal printer

Country Status (1)

Country Link
JP (1) JPS57205179A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502056A (en) * 1982-04-30 1985-02-26 Kabushiki Kaisha Sato Temperature control system
US4574293A (en) * 1983-05-23 1986-03-04 Fuji Xerox Co., Ltd. Compensation for heat accumulation in a thermal head
JPS61213171A (ja) * 1985-03-18 1986-09-22 Anritsu Corp バ−コ−ド印字装置
US4633269A (en) * 1984-03-03 1986-12-30 Fujitsu Limited Method and apparatus for heating thermal head
US4664542A (en) * 1984-08-31 1987-05-12 Kabushiki Kaisha Toshiba Temperature control device for a printing head
US4688051A (en) * 1983-08-15 1987-08-18 Ricoh Company, Ltd. Thermal print head driving system
US4806949A (en) * 1986-10-24 1989-02-21 Minolta Camera Kabushiki Kaisha Multitone thermal transfer recording method and apparatus
JPH01180364A (ja) * 1988-01-11 1989-07-18 Fujitsu Ltd サーマルプリンタの印字濃度補正方式
US5162813A (en) * 1989-08-31 1992-11-10 Fuji Photo Film Co., Ltd. Method of and device for driving thermal head in printer
US5220350A (en) * 1990-07-30 1993-06-15 Minolta Camera Kabushiki Kaisha Method and apparatus for preventing overheating of a thermal head

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52143839A (en) * 1976-05-26 1977-11-30 Hitachi Ltd Print density controller in heat printing
JPS544143A (en) * 1977-06-13 1979-01-12 Toshiba Corp Heat-sensitive printing apparatus
JPS5617137U (enrdf_load_stackoverflow) * 1979-07-18 1981-02-14

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52143839A (en) * 1976-05-26 1977-11-30 Hitachi Ltd Print density controller in heat printing
JPS544143A (en) * 1977-06-13 1979-01-12 Toshiba Corp Heat-sensitive printing apparatus
JPS5617137U (enrdf_load_stackoverflow) * 1979-07-18 1981-02-14

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502056A (en) * 1982-04-30 1985-02-26 Kabushiki Kaisha Sato Temperature control system
US4574293A (en) * 1983-05-23 1986-03-04 Fuji Xerox Co., Ltd. Compensation for heat accumulation in a thermal head
US4688051A (en) * 1983-08-15 1987-08-18 Ricoh Company, Ltd. Thermal print head driving system
US4633269A (en) * 1984-03-03 1986-12-30 Fujitsu Limited Method and apparatus for heating thermal head
US4664542A (en) * 1984-08-31 1987-05-12 Kabushiki Kaisha Toshiba Temperature control device for a printing head
JPS61213171A (ja) * 1985-03-18 1986-09-22 Anritsu Corp バ−コ−ド印字装置
US4806949A (en) * 1986-10-24 1989-02-21 Minolta Camera Kabushiki Kaisha Multitone thermal transfer recording method and apparatus
JPH01180364A (ja) * 1988-01-11 1989-07-18 Fujitsu Ltd サーマルプリンタの印字濃度補正方式
US5162813A (en) * 1989-08-31 1992-11-10 Fuji Photo Film Co., Ltd. Method of and device for driving thermal head in printer
US5220350A (en) * 1990-07-30 1993-06-15 Minolta Camera Kabushiki Kaisha Method and apparatus for preventing overheating of a thermal head

Also Published As

Publication number Publication date
JPH0253232B2 (enrdf_load_stackoverflow) 1990-11-16

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