BE801521A - LUMINOUS INDICATOR FOR MARKING A POINT OF AN IMAGE SCREEN - Google Patents

LUMINOUS INDICATOR FOR MARKING A POINT OF AN IMAGE SCREEN

Info

Publication number
BE801521A
BE801521A BE132784A BE132784A BE801521A BE 801521 A BE801521 A BE 801521A BE 132784 A BE132784 A BE 132784A BE 132784 A BE132784 A BE 132784A BE 801521 A BE801521 A BE 801521A
Authority
BE
Belgium
Prior art keywords
marking
point
image screen
luminous indicator
luminous
Prior art date
Application number
BE132784A
Other languages
French (fr)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BE801521A publication Critical patent/BE801521A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03542—Light pens for emitting or receiving light

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
BE132784A 1972-06-27 1973-06-27 LUMINOUS INDICATOR FOR MARKING A POINT OF AN IMAGE SCREEN BE801521A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2231485 1972-06-27

Publications (1)

Publication Number Publication Date
BE801521A true BE801521A (en) 1973-12-27

Family

ID=5848967

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132784A BE801521A (en) 1972-06-27 1973-06-27 LUMINOUS INDICATOR FOR MARKING A POINT OF AN IMAGE SCREEN

Country Status (3)

Country Link
BE (1) BE801521A (en)
FR (1) FR2191143A1 (en)
IT (1) IT989380B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4454417A (en) * 1982-02-05 1984-06-12 George A. May High resolution light pen for use with graphic displays

Also Published As

Publication number Publication date
IT989380B (en) 1975-05-20
FR2191143A1 (en) 1974-02-01

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