FR2371022A1 - Dispositif de visualisation cathodique a crayon lumineux - Google Patents

Dispositif de visualisation cathodique a crayon lumineux

Info

Publication number
FR2371022A1
FR2371022A1 FR7733922A FR7733922A FR2371022A1 FR 2371022 A1 FR2371022 A1 FR 2371022A1 FR 7733922 A FR7733922 A FR 7733922A FR 7733922 A FR7733922 A FR 7733922A FR 2371022 A1 FR2371022 A1 FR 2371022A1
Authority
FR
France
Prior art keywords
pencil
marker
signal generator
screen
image
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.)
Withdrawn
Application number
FR7733922A
Other languages
English (en)
French (fr)
Inventor
John Alexander Harrison
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Publication of FR2371022A1 publication Critical patent/FR2371022A1/fr
Withdrawn legal-status Critical Current

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
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0386—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry for light pen

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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
FR7733922A 1976-11-13 1977-11-10 Dispositif de visualisation cathodique a crayon lumineux Withdrawn FR2371022A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47401/76A GB1543426A (en) 1976-11-13 1976-11-13 Display apparatus

Publications (1)

Publication Number Publication Date
FR2371022A1 true FR2371022A1 (fr) 1978-06-09

Family

ID=10444830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7733922A Withdrawn FR2371022A1 (fr) 1976-11-13 1977-11-10 Dispositif de visualisation cathodique a crayon lumineux

Country Status (4)

Country Link
FR (1) FR2371022A1 (xx)
GB (1) GB1543426A (xx)
NL (1) NL7712462A (xx)
SE (1) SE437734B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58126588A (ja) * 1982-01-06 1983-07-28 ミルトン・ブラッドリイ・コ−ポレ−ション ビデオデイスプレイ装置

Also Published As

Publication number Publication date
SE437734B (sv) 1985-03-11
GB1543426A (en) 1979-04-04
SE7712738L (sv) 1978-05-14
NL7712462A (nl) 1978-05-17

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Legal Events

Date Code Title Description
ST Notification of lapse