JPS57165276A - Driving system for thermal printer - Google Patents

Driving system for thermal printer

Info

Publication number
JPS57165276A
JPS57165276A JP56050996A JP5099681A JPS57165276A JP S57165276 A JPS57165276 A JP S57165276A JP 56050996 A JP56050996 A JP 56050996A JP 5099681 A JP5099681 A JP 5099681A JP S57165276 A JPS57165276 A JP S57165276A
Authority
JP
Japan
Prior art keywords
time
temperature
power
upto
heat generating
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
JP56050996A
Other languages
Japanese (ja)
Inventor
Yasumasa Ueno
Takashi Maeno
Yoshihisa Kuroki
Kiyotaka Sugino
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.)
Omron Corp
Original Assignee
Tateisi Electronics Co
Omron Tateisi Electronics Co
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 Tateisi Electronics Co, Omron Tateisi Electronics Co filed Critical Tateisi Electronics Co
Priority to JP56050996A priority Critical patent/JPS57165276A/en
Publication of JPS57165276A publication Critical patent/JPS57165276A/en
Pending 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

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To obtain an even printing density by applying a high power to a heat generating body at the first half of a heating cycle to make a quick rise up to the allowable maximum temperature while a lower power is applied at the second half thereof. CONSTITUTION:A power pulse (a) applied to a heat generating resistor 3 and a temperature change (b) therein is as shown in the drawing. First, a high power p2 is applied for a time t2 to elevate the temperature upto the allowable upper limit temp. TLIM. Then, a low power p3 is applied upto the time t1 to maintain the temperature at the level to the time t1. This increases the area of a part substantially effective for the printing as indicated by a slash thereby enhancing the printing density for the same heating time.
JP56050996A 1981-04-04 1981-04-04 Driving system for thermal printer Pending JPS57165276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56050996A JPS57165276A (en) 1981-04-04 1981-04-04 Driving system for thermal printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56050996A JPS57165276A (en) 1981-04-04 1981-04-04 Driving system for thermal printer

Publications (1)

Publication Number Publication Date
JPS57165276A true JPS57165276A (en) 1982-10-12

Family

ID=12874390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56050996A Pending JPS57165276A (en) 1981-04-04 1981-04-04 Driving system for thermal printer

Country Status (1)

Country Link
JP (1) JPS57165276A (en)

Cited By (2)

* 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
JPS62227662A (en) * 1986-03-28 1987-10-06 Alps Electric Co Ltd Control of thermal printer

Cited By (2)

* 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
JPS62227662A (en) * 1986-03-28 1987-10-06 Alps Electric Co Ltd Control of thermal printer

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