JPS5549787A - Pattern and character overlap printing circuit - Google Patents

Pattern and character overlap printing circuit

Info

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
Application number
JP12297478A
Other languages
Japanese (ja)
Inventor
Norio Inoue
Kazuharu Itakura
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP12297478A priority Critical patent/JPS5549787A/en
Publication of JPS5549787A publication Critical patent/JPS5549787A/en
Pending legal-status Critical Current

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
JP12297478A 1978-10-04 1978-10-04 Pattern and character overlap printing circuit Pending JPS5549787A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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