JPS6463170A - Thermal transfer printer - Google Patents

Thermal transfer printer

Info

Publication number
JPS6463170A
JPS6463170A JP21976187A JP21976187A JPS6463170A JP S6463170 A JPS6463170 A JP S6463170A JP 21976187 A JP21976187 A JP 21976187A JP 21976187 A JP21976187 A JP 21976187A JP S6463170 A JPS6463170 A JP S6463170A
Authority
JP
Japan
Prior art keywords
printing
rotating speed
gradation level
data
line input
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
JP21976187A
Other languages
Japanese (ja)
Inventor
Ryoyu Takanashi
Hidefumi Tanaka
Terumi Ohara
Kenichi Miyazaki
Toshinori Takahashi
Hiroki Kitamura
Tadao Shinya
Yutaka Mizoguchi
Katsuhiko Terada
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP21976187A priority Critical patent/JPS6463170A/en
Publication of JPS6463170A publication Critical patent/JPS6463170A/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 reduce unevenness of printed density in sub-scanning direction, by providing a data converting means for outputting data for increasing the gradation level of inputted printing data substantially in proportion to the rotating speed of a platen roller, as printing date. CONSTITUTION:Printing of printing line input data is conducted on a line-by-line basis with a fixed timing, and a D/T converter 18 is provided for converting the printing line input date into gradation level according to the variations in the rotating speed of a platen roller 6. When the rotating speed of the platen roller 6 is enhanced, the D/T converter 18 raises the gradation level of the printing line input data to prolong an energization time for heat generating resistors in a line thermal head 11, whereby the size of dots transferred onto a recording paper is enlarged. Conversely, when the rotating speed of the roller 6 is lowered, the gradation level. of the printing line input data is lowered to shorten the energization time for the resistors, whereby the size of the dots transferred onto the recording paper is reduced.
JP21976187A 1987-09-02 1987-09-02 Thermal transfer printer Pending JPS6463170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21976187A JPS6463170A (en) 1987-09-02 1987-09-02 Thermal transfer printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21976187A JPS6463170A (en) 1987-09-02 1987-09-02 Thermal transfer printer

Publications (1)

Publication Number Publication Date
JPS6463170A true JPS6463170A (en) 1989-03-09

Family

ID=16740589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21976187A Pending JPS6463170A (en) 1987-09-02 1987-09-02 Thermal transfer printer

Country Status (1)

Country Link
JP (1) JPS6463170A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011212998A (en) * 2010-03-31 2011-10-27 Dainippon Printing Co Ltd Multicolor thermal transfer printer
JP2011212997A (en) * 2010-03-31 2011-10-27 Dainippon Printing Co Ltd Multicolor thermal transfer printer
JP2011212996A (en) * 2010-03-31 2011-10-27 Dainippon Printing Co Ltd Multicolor thermal transfer printer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011212998A (en) * 2010-03-31 2011-10-27 Dainippon Printing Co Ltd Multicolor thermal transfer printer
JP2011212997A (en) * 2010-03-31 2011-10-27 Dainippon Printing Co Ltd Multicolor thermal transfer printer
JP2011212996A (en) * 2010-03-31 2011-10-27 Dainippon Printing Co Ltd Multicolor thermal transfer printer

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