JPS546428A - Crt display unit - Google Patents

Crt display unit

Info

Publication number
JPS546428A
JPS546428A JP7053877A JP7053877A JPS546428A JP S546428 A JPS546428 A JP S546428A JP 7053877 A JP7053877 A JP 7053877A JP 7053877 A JP7053877 A JP 7053877A JP S546428 A JPS546428 A JP S546428A
Authority
JP
Japan
Prior art keywords
display unit
crt display
light pen
address
prescribe
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
JP7053877A
Other languages
Japanese (ja)
Inventor
Shoichi Ito
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 JP7053877A priority Critical patent/JPS546428A/en
Publication of JPS546428A publication Critical patent/JPS546428A/en
Pending legal-status Critical Current

Links

Landscapes

  • Position Input By Displaying (AREA)

Abstract

PURPOSE: To detect the malfunction of a light pen, and to eliminate the trouble on operation in case of operating the light pen on a part except the display screen by mistake, by arranging an address which does not prescribe the screen display in an address entry register.
COPYRIGHT: (C)1979,JPO&Japio
JP7053877A 1977-06-16 1977-06-16 Crt display unit Pending JPS546428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7053877A JPS546428A (en) 1977-06-16 1977-06-16 Crt display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7053877A JPS546428A (en) 1977-06-16 1977-06-16 Crt display unit

Publications (1)

Publication Number Publication Date
JPS546428A true JPS546428A (en) 1979-01-18

Family

ID=13434401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7053877A Pending JPS546428A (en) 1977-06-16 1977-06-16 Crt display unit

Country Status (1)

Country Link
JP (1) JPS546428A (en)

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