JPS55121090A - Ink ribbon reversal system of printer - Google Patents

Ink ribbon reversal system of printer

Info

Publication number
JPS55121090A
JPS55121090A JP2803179A JP2803179A JPS55121090A JP S55121090 A JPS55121090 A JP S55121090A JP 2803179 A JP2803179 A JP 2803179A JP 2803179 A JP2803179 A JP 2803179A JP S55121090 A JPS55121090 A JP S55121090A
Authority
JP
Japan
Prior art keywords
ink ribbon
side output
printing
detecting
terminal
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
JP2803179A
Other languages
Japanese (ja)
Inventor
Katsuharu Yamaguchi
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.)
Koki Holdings Co Ltd
Original Assignee
Hitachi Koki 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 Hitachi Koki Co Ltd filed Critical Hitachi Koki Co Ltd
Priority to JP2803179A priority Critical patent/JPS55121090A/en
Publication of JPS55121090A publication Critical patent/JPS55121090A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To improve an effective printing speed with reduction of non-printing frequency for detecting an ink ribbon terminal by a system wherein the reversal of an ink ribbon running direction is operated after completing the printing cycle.
CONSTITUTION: Whenever a switch 1 is detecting an ink ribbon terminal, a flip- flop 2 is setting alternately or resetting, the monomultivibrator 6 (time constant T1 is corresponding to the time required from the terminal detection up-to completing the printing cycle) is triggered by opening NOR gate 5 of 1 side output and 0 side output by means of the differentiation circuits 3, 4. 1 Side output of D-type flip- flop 11 is turning reversely whenever the switch 1 is detecting, which energizes or deenergizes relay coil 14 alternately to turn reversely the running direction of the ink ribbon. Monomultivibrator 12 allows 0 side output thereof to apply to the printer control unit for stopping the printing operation during the time corresponding to the time constant T2.
COPYRIGHT: (C)1980,JPO&Japio
JP2803179A 1979-03-09 1979-03-09 Ink ribbon reversal system of printer Pending JPS55121090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2803179A JPS55121090A (en) 1979-03-09 1979-03-09 Ink ribbon reversal system of printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2803179A JPS55121090A (en) 1979-03-09 1979-03-09 Ink ribbon reversal system of printer

Publications (1)

Publication Number Publication Date
JPS55121090A true JPS55121090A (en) 1980-09-17

Family

ID=12237364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2803179A Pending JPS55121090A (en) 1979-03-09 1979-03-09 Ink ribbon reversal system of printer

Country Status (1)

Country Link
JP (1) JPS55121090A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811635A (en) * 1981-07-13 1983-01-22 東芝テック株式会社 Label printer
JPS5811636A (en) * 1981-07-13 1983-01-22 東芝テック株式会社 Label printer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811635A (en) * 1981-07-13 1983-01-22 東芝テック株式会社 Label printer
JPS5811636A (en) * 1981-07-13 1983-01-22 東芝テック株式会社 Label printer
JPH0331591B2 (en) * 1981-07-13 1991-05-07 Tokyo Electric Co Ltd

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