JPS55107491A - Printer ink ribbon inversion device - Google Patents

Printer ink ribbon inversion device

Info

Publication number
JPS55107491A
JPS55107491A JP1464679A JP1464679A JPS55107491A JP S55107491 A JPS55107491 A JP S55107491A JP 1464679 A JP1464679 A JP 1464679A JP 1464679 A JP1464679 A JP 1464679A JP S55107491 A JPS55107491 A JP S55107491A
Authority
JP
Japan
Prior art keywords
ribbon
output
ink ribbon
time
inversion
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
JP1464679A
Other languages
Japanese (ja)
Inventor
Kazuyuki Kubo
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 JP1464679A priority Critical patent/JPS55107491A/en
Publication of JPS55107491A publication Critical patent/JPS55107491A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To avoid an abnormal operation of the ink ribbon, whcih may occur at the time of inversion operation, by a method wherein the inversion operation is strated after the completion of the drive of the printing hammer during operation, and the printing operation is prohibited until the slackening of the ribbon at inversion ends.
CONSTITUTION: End edge sensing switch 1 and 2 detect the end edge of the ink ribbon, and when the contact is closed, the output of invert or gate 3 turns out to be logic 1, and monomultivibrator 4 and 5 are triggered. The output of monomultivibrater 5 is sent out to the control section of the printer to prohibit the printing operation thereafter during time T2 until the slackenning of the ink ribbon ends. The output of monomultivibrator 4 becomes logic 0 after time T1 which corresponds to the driving time of the printing hammer has lapsed, which then trigger D-type file-flop 7. The output on the side of 1 of the flip-flop operates ribbon drive circuit 8 to invert the running direction of the ribbon.
COPYRIGHT: (C)1980,JPO&Japio
JP1464679A 1979-02-09 1979-02-09 Printer ink ribbon inversion device Pending JPS55107491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1464679A JPS55107491A (en) 1979-02-09 1979-02-09 Printer ink ribbon inversion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1464679A JPS55107491A (en) 1979-02-09 1979-02-09 Printer ink ribbon inversion device

Publications (1)

Publication Number Publication Date
JPS55107491A true JPS55107491A (en) 1980-08-18

Family

ID=11866952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1464679A Pending JPS55107491A (en) 1979-02-09 1979-02-09 Printer ink ribbon inversion device

Country Status (1)

Country Link
JP (1) JPS55107491A (en)

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
US4640635A (en) * 1983-12-28 1987-02-03 Citizen Watch Co., Ltd. Method for inhibiting printing during ribbon reversal

Cited By (4)

* 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
US4640635A (en) * 1983-12-28 1987-02-03 Citizen Watch Co., Ltd. Method for inhibiting printing during ribbon reversal

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