JPS5791269A - Print controller - Google Patents
Print controllerInfo
- Publication number
- JPS5791269A JPS5791269A JP16751380A JP16751380A JPS5791269A JP S5791269 A JPS5791269 A JP S5791269A JP 16751380 A JP16751380 A JP 16751380A JP 16751380 A JP16751380 A JP 16751380A JP S5791269 A JPS5791269 A JP S5791269A
- Authority
- JP
- Japan
- Prior art keywords
- type
- belt
- pulse
- outputs
- clock signal
- 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
Abstract
PURPOSE: To detect the using side or misapplication of a type belt prior to the printing by adding a home clock and a type belt operation indicating circuit or an abnormality detection circuit.
CONSTITUTION: During the A side setting of a type belt 2 or the normal mounting thereof, a home clock signal 6' forms three pulses with respect to a type clock signal 5; the first between those of the signal 5 and then, the second and third each between those thereof dropping one. Consequently, the outputs QC and QD of a shift register 14 of a reference position checking circuit are 0 (without pulse) and 1 (with pulse) and an AND gate 15 of the reference position checking circuit receiving both the outputs produce an output for normal or belt A side operation. In the case of the B side type setting of the belt 2 or the opposite mounting thereof, the home clock signal 6" forms first and second pulses side by side and then, the third pulse dropping one. Thus, the outputs QC and QD are 1 and 1 emitting the B side type setting or abnormality signal AL.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16751380A JPS5791269A (en) | 1980-11-28 | 1980-11-28 | Print controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16751380A JPS5791269A (en) | 1980-11-28 | 1980-11-28 | Print controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5791269A true JPS5791269A (en) | 1982-06-07 |
Family
ID=15851070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16751380A Pending JPS5791269A (en) | 1980-11-28 | 1980-11-28 | Print controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5791269A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759647A (en) * | 1986-10-22 | 1988-07-26 | International Business Machines Corporation | Dual pitch impact printer |
-
1980
- 1980-11-28 JP JP16751380A patent/JPS5791269A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4759647A (en) * | 1986-10-22 | 1988-07-26 | International Business Machines Corporation | Dual pitch impact printer |
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