JPS5340228A - Light pen detection system - Google Patents

Light pen detection system

Info

Publication number
JPS5340228A
JPS5340228A JP11474176A JP11474176A JPS5340228A JP S5340228 A JPS5340228 A JP S5340228A JP 11474176 A JP11474176 A JP 11474176A JP 11474176 A JP11474176 A JP 11474176A JP S5340228 A JPS5340228 A JP S5340228A
Authority
JP
Japan
Prior art keywords
light pen
detection system
pen detection
ciecuits
scanned
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
JP11474176A
Other languages
Japanese (ja)
Inventor
Yasuyuki Yamada
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11474176A priority Critical patent/JPS5340228A/en
Publication of JPS5340228A publication Critical patent/JPS5340228A/en
Pending legal-status Critical Current

Links

Landscapes

  • Position Input By Displaying (AREA)

Abstract

PURPOSE: Scanning lines for light pen detection are skipped over every several characters and are scanned, so that an accurate position detection can be executed independently of the delay if ciecuits.
COPYRIGHT: (C)1978,JPO&Japio
JP11474176A 1976-09-27 1976-09-27 Light pen detection system Pending JPS5340228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11474176A JPS5340228A (en) 1976-09-27 1976-09-27 Light pen detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11474176A JPS5340228A (en) 1976-09-27 1976-09-27 Light pen detection system

Publications (1)

Publication Number Publication Date
JPS5340228A true JPS5340228A (en) 1978-04-12

Family

ID=14645479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11474176A Pending JPS5340228A (en) 1976-09-27 1976-09-27 Light pen detection system

Country Status (1)

Country Link
JP (1) JPS5340228A (en)

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