JPS55102044A - Character graph display unit - Google Patents

Character graph display unit

Info

Publication number
JPS55102044A
JPS55102044A JP852779A JP852779A JPS55102044A JP S55102044 A JPS55102044 A JP S55102044A JP 852779 A JP852779 A JP 852779A JP 852779 A JP852779 A JP 852779A JP S55102044 A JPS55102044 A JP S55102044A
Authority
JP
Japan
Prior art keywords
counter
output
outputted
signal
scanning
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
JP852779A
Other languages
Japanese (ja)
Inventor
Isao Masuda
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 JP852779A priority Critical patent/JPS55102044A/en
Publication of JPS55102044A publication Critical patent/JPS55102044A/en
Pending legal-status Critical Current

Links

Landscapes

  • Digital Computer Display Output (AREA)
  • Image Generation (AREA)

Abstract

PURPOSE:To enable to display the connection of displayed points on screen by taking coincidence of the displayed points to dots or scanning with the comparator and comparing the dot before one with the scanning. CONSTITUTION:The output of the dot counter 1 counting the number of dots on one scanning line is stored in the memory 2 and the number of entire scanning lines on one screen is counted with the scanning line counter 3. The number a sequentially read out from the memory 2 with the output of the counter 1 and the output b of the counter 3 are compared at the comparator 4, and d when a=b, e when a>b, and f when a<b is outputted to the logic circuit 9. Further, the value c of the register 8 storing the output of the memory 2 before one and the output of the counter 3 are compared at the comparator 7, and signal g when c>b and signal h when c<b is outputted to the circuit 9. In the circuit 9, when a<b<c or a>b>c, the signal having a half the dot width of one information display is outputted to the video mixing circuit 5 at the position between them, and when a=b, the signal with one information display width is outputted, to enable continuous line of displayed points.
JP852779A 1979-01-26 1979-01-26 Character graph display unit Pending JPS55102044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP852779A JPS55102044A (en) 1979-01-26 1979-01-26 Character graph display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP852779A JPS55102044A (en) 1979-01-26 1979-01-26 Character graph display unit

Publications (1)

Publication Number Publication Date
JPS55102044A true JPS55102044A (en) 1980-08-04

Family

ID=11695611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP852779A Pending JPS55102044A (en) 1979-01-26 1979-01-26 Character graph display unit

Country Status (1)

Country Link
JP (1) JPS55102044A (en)

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