JPS54116139A - Forming method of crt display pattern using light pen - Google Patents

Forming method of crt display pattern using light pen

Info

Publication number
JPS54116139A
JPS54116139A JP2199078A JP2199078A JPS54116139A JP S54116139 A JPS54116139 A JP S54116139A JP 2199078 A JP2199078 A JP 2199078A JP 2199078 A JP2199078 A JP 2199078A JP S54116139 A JPS54116139 A JP S54116139A
Authority
JP
Japan
Prior art keywords
display
area
light pen
memory
section
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
JP2199078A
Other languages
Japanese (ja)
Inventor
Hiroshi Uchida
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2199078A priority Critical patent/JPS54116139A/en
Publication of JPS54116139A publication Critical patent/JPS54116139A/en
Pending legal-status Critical Current

Links

Landscapes

  • Position Input By Displaying (AREA)

Abstract

PURPOSE: To reduce the number of processes for pattern formation and to decrease the errors, by sectioning the CRT screen with the fixed information area consisting of the operation indication display and the graphic forming display area, and the instruction with a light pen.
CONSTITUTION: The CRT display unit is controlled with the processor 10, and it consists of the input and output section 11 including the light pen 11a, display memory section 12, character generating section 13, synchronizing signal generation section 14, signal synthesis section 15, and display 16. The memory 12 is sectioned into the fixed display area consisting of the basic information display area A and the operation instructing display area B, and the graphic formation display area C. The codes of the basic information display such as straight line and circle and color are stored in advance in the memory in the area A, and the operation insturction codes such as deletion D and line display completion L are in the memory in the area B. On the CRT screen, the fixed information stored in the areas A and B is displayed at the start, and when the desired fixed information is indicated on the area C with the light pen, the unit 10 reads in it and display it on the area C.
COPYRIGHT: (C)1979,JPO&Japio
JP2199078A 1978-03-01 1978-03-01 Forming method of crt display pattern using light pen Pending JPS54116139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2199078A JPS54116139A (en) 1978-03-01 1978-03-01 Forming method of crt display pattern using light pen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2199078A JPS54116139A (en) 1978-03-01 1978-03-01 Forming method of crt display pattern using light pen

Publications (1)

Publication Number Publication Date
JPS54116139A true JPS54116139A (en) 1979-09-10

Family

ID=12070451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2199078A Pending JPS54116139A (en) 1978-03-01 1978-03-01 Forming method of crt display pattern using light pen

Country Status (1)

Country Link
JP (1) JPS54116139A (en)

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