JPS55107491A - Printer ink ribbon inversion device - Google Patents
Printer ink ribbon inversion deviceInfo
- 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
Links
Landscapes
- Impression-Transfer Materials And Handling Thereof (AREA)
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
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)
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 |
-
1979
- 1979-02-09 JP JP1464679A patent/JPS55107491A/en active Pending
Cited By (4)
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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