JPS5658887A - Printer - Google Patents

Printer

Info

Publication number
JPS5658887A
JPS5658887A JP13439779A JP13439779A JPS5658887A JP S5658887 A JPS5658887 A JP S5658887A JP 13439779 A JP13439779 A JP 13439779A JP 13439779 A JP13439779 A JP 13439779A JP S5658887 A JPS5658887 A JP S5658887A
Authority
JP
Japan
Prior art keywords
duration
current supply
pattern
usual
time
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
JP13439779A
Other languages
Japanese (ja)
Other versions
JPS6153956B2 (en
Inventor
Susumu Sugiura
Joji Amitani
Katsuhiko Toda
Seiko Tanmachi
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP13439779A priority Critical patent/JPS5658887A/en
Publication of JPS5658887A publication Critical patent/JPS5658887A/en
Publication of JPS6153956B2 publication Critical patent/JPS6153956B2/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

Landscapes

  • Electronic Switches (AREA)
  • Fax Reproducing Arrangements (AREA)

Abstract

PURPOSE:To enhance the printing quality by providing a means for changing the duration of current supply for the thermal head in accordance with the correlation of the contents of the printing patterns and the printing history. CONSTITUTION:In the case of a blank pattern such as pattern 504, R1=O and a step 607 is carried out. In the case of pattern 503, R1=F and a step 604 is carried out to discriminate the CNT. In the case where a vertically long pattern has previously been generated and the duration of current supply has been set to be longer than usual, the duration of current supply is returned to the usual value when the vertically long pattern is generated again. For example, the duration of current supply for the pattern 503 is set to be longer than usual, and the duration of current supply is returned to the usual value at the time of pattern 501. The step 604 is performed for discrimination in the manner described above and for measuring the time elapsed from the instant at which the duration of current supply is set to be longer. When the lapse of time is long, i.e., when CNT=O, a step 605 is carried out to add alpha to a predetermined duration of current supply time SET for the head and to memorize it in a register iNTS.
JP13439779A 1979-10-18 1979-10-18 Printer Granted JPS5658887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13439779A JPS5658887A (en) 1979-10-18 1979-10-18 Printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13439779A JPS5658887A (en) 1979-10-18 1979-10-18 Printer

Publications (2)

Publication Number Publication Date
JPS5658887A true JPS5658887A (en) 1981-05-22
JPS6153956B2 JPS6153956B2 (en) 1986-11-20

Family

ID=15127436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13439779A Granted JPS5658887A (en) 1979-10-18 1979-10-18 Printer

Country Status (1)

Country Link
JP (1) JPS5658887A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589750U (en) * 1981-07-14 1983-01-21 セイコーインスツルメンツ株式会社 Thermal printer drive circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0436140Y2 (en) * 1986-07-18 1992-08-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589750U (en) * 1981-07-14 1983-01-21 セイコーインスツルメンツ株式会社 Thermal printer drive circuit

Also Published As

Publication number Publication date
JPS6153956B2 (en) 1986-11-20

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