JPS5457840A - Display unit - Google Patents

Display unit

Info

Publication number
JPS5457840A
JPS5457840A JP12481977A JP12481977A JPS5457840A JP S5457840 A JPS5457840 A JP S5457840A JP 12481977 A JP12481977 A JP 12481977A JP 12481977 A JP12481977 A JP 12481977A JP S5457840 A JPS5457840 A JP S5457840A
Authority
JP
Japan
Prior art keywords
data
computer
memory
characters
display
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
JP12481977A
Other languages
Japanese (ja)
Inventor
Akira Maeda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP12481977A priority Critical patent/JPS5457840A/en
Publication of JPS5457840A publication Critical patent/JPS5457840A/en
Pending legal-status Critical Current

Links

Landscapes

  • Digital Computer Display Output (AREA)
  • Document Processing Apparatus (AREA)

Abstract

PURPOSE: To display characters superposing them upon a picture by simplify the insersion and deletion of characters and lines by giving an instruction for editing from a computer, by supplying codes to be displayed from the computer to a code refresh memory for its control.
CONSTITUTION: Digital picture data connected to computer 1 and transferred are stored on raster scan system, and charactertrain data, etc., transferred by the display unit are stored in circulating code refresh memory 2 is sequence for display. The circulation path of this memory 2 is provided with editing circuit 13 which makes the modification, insersion and deletion of characters and lines according to the instruction from computer 1. Then, data in memory 2 are read out synchronizing with the raster scan of monitor 5, and position-coordinate data in the data is compared with the content of address counter 4 for displaying picture data; when the both agree each other, the pattern of character generator 6 is read out corresponding to character codes, and then, displayed being superposed upon the picture data
COPYRIGHT: (C)1979,JPO&Japio
JP12481977A 1977-10-17 1977-10-17 Display unit Pending JPS5457840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12481977A JPS5457840A (en) 1977-10-17 1977-10-17 Display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12481977A JPS5457840A (en) 1977-10-17 1977-10-17 Display unit

Publications (1)

Publication Number Publication Date
JPS5457840A true JPS5457840A (en) 1979-05-10

Family

ID=14894885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12481977A Pending JPS5457840A (en) 1977-10-17 1977-10-17 Display unit

Country Status (1)

Country Link
JP (1) JPS5457840A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5781670A (en) * 1980-11-07 1982-05-21 Hitachi Ltd Editing method of document

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5781670A (en) * 1980-11-07 1982-05-21 Hitachi Ltd Editing method of document

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