JPS5330828A - Detecting system of position indicated by light pen - Google Patents

Detecting system of position indicated by light pen

Info

Publication number
JPS5330828A
JPS5330828A JP10496776A JP10496776A JPS5330828A JP S5330828 A JPS5330828 A JP S5330828A JP 10496776 A JP10496776 A JP 10496776A JP 10496776 A JP10496776 A JP 10496776A JP S5330828 A JPS5330828 A JP S5330828A
Authority
JP
Japan
Prior art keywords
light pen
position indicated
detecting system
picture
raster
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
JP10496776A
Other languages
Japanese (ja)
Inventor
Sadao Ochiai
Katsunori Hoshida
Kingo Yamagishi
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10496776A priority Critical patent/JPS5330828A/en
Publication of JPS5330828A publication Critical patent/JPS5330828A/en
Pending legal-status Critical Current

Links

Landscapes

  • Position Input By Displaying (AREA)

Abstract

PURPOSE: Only when a light pen operates the position detection, the uniform brightness or bias is applied to raster-scan a display screen, thereby realizing the accurate detection without deteriorating the picture quality of the display picture.
COPYRIGHT: (C)1978,JPO&Japio
JP10496776A 1976-09-03 1976-09-03 Detecting system of position indicated by light pen Pending JPS5330828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10496776A JPS5330828A (en) 1976-09-03 1976-09-03 Detecting system of position indicated by light pen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10496776A JPS5330828A (en) 1976-09-03 1976-09-03 Detecting system of position indicated by light pen

Publications (1)

Publication Number Publication Date
JPS5330828A true JPS5330828A (en) 1978-03-23

Family

ID=14394865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10496776A Pending JPS5330828A (en) 1976-09-03 1976-09-03 Detecting system of position indicated by light pen

Country Status (1)

Country Link
JP (1) JPS5330828A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636733A (en) * 1979-08-31 1981-04-10 Brother Ind Ltd Display unit or color display unit
JPS5650535U (en) * 1980-04-11 1981-05-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5636733A (en) * 1979-08-31 1981-04-10 Brother Ind Ltd Display unit or color display unit
JPS5650535U (en) * 1980-04-11 1981-05-06

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