JPS5549787A - Pattern and character overlap printing circuit - Google Patents
Pattern and character overlap printing circuitInfo
- Publication number
- JPS5549787A JPS5549787A JP12297478A JP12297478A JPS5549787A JP S5549787 A JPS5549787 A JP S5549787A JP 12297478 A JP12297478 A JP 12297478A JP 12297478 A JP12297478 A JP 12297478A JP S5549787 A JPS5549787 A JP S5549787A
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- character
- storage part
- information
- bit string
- 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 obtain a high-display capability and economical overlap printer by converting the character code, which is stored in the character storage part, to a character pattern and operating OR between this character pattern and pattern information, which is read from the pattern storage part, by dot unit.
CONSTITUTION: One-page components of pattern information where the information volume is compressed is written in pattern storage part 11 from an upper-level unit through connection part 13 and internal data bus 14, and after that, one-page components of character information is written in character storage part 12 similarly. Pattern information read from storage part 11 is restored to the original pattern by decoder 15 and is converted to a bit string in the main scanning direction by parallel-series converter 16 and is supplied to synthesizing circuit 17. Meanwhile, the character code read from storage part 12 is converted to a dot matrix character pattern by character generator 18, and further, a partial character pattern of one main scanning line is outputted. This pattern is converted to a bit string by parallel- series converter circuit 19, and OR between this bit string and pattern information is operated by synthesizing circuit 17 by bit unit, and they are made into one bit string and are sent to a printer.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12297478A JPS5549787A (en) | 1978-10-04 | 1978-10-04 | Pattern and character overlap printing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12297478A JPS5549787A (en) | 1978-10-04 | 1978-10-04 | Pattern and character overlap printing circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5549787A true JPS5549787A (en) | 1980-04-10 |
Family
ID=14849181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12297478A Pending JPS5549787A (en) | 1978-10-04 | 1978-10-04 | Pattern and character overlap printing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5549787A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5818780A (en) * | 1981-07-23 | 1983-02-03 | Sharp Corp | Output device for displaying or recording graphic pattern |
JPS5882763A (en) * | 1981-11-11 | 1983-05-18 | Nec Corp | Print controller |
US5787240A (en) * | 1994-05-20 | 1998-07-28 | Fujitsu Ltd. | Printer control apparatus converting video data from an external host to video data for a printer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218129A (en) * | 1975-08-01 | 1977-02-10 | Hitachi Ltd | Printer device |
JPS5289425A (en) * | 1976-01-21 | 1977-07-27 | Hitachi Ltd | Printer control method |
-
1978
- 1978-10-04 JP JP12297478A patent/JPS5549787A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218129A (en) * | 1975-08-01 | 1977-02-10 | Hitachi Ltd | Printer device |
JPS5289425A (en) * | 1976-01-21 | 1977-07-27 | Hitachi Ltd | Printer control method |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5818780A (en) * | 1981-07-23 | 1983-02-03 | Sharp Corp | Output device for displaying or recording graphic pattern |
JPS632793B2 (en) * | 1981-07-23 | 1988-01-20 | Sharp Kk | |
JPS5882763A (en) * | 1981-11-11 | 1983-05-18 | Nec Corp | Print controller |
US5787240A (en) * | 1994-05-20 | 1998-07-28 | Fujitsu Ltd. | Printer control apparatus converting video data from an external host to video data for a printer |
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