DE2138236C3 - Vorrichtung zum Eingeben von Informationen in einen Rechner - Google Patents

Vorrichtung zum Eingeben von Informationen in einen Rechner

Info

Publication number
DE2138236C3
DE2138236C3 DE19712138236 DE2138236A DE2138236C3 DE 2138236 C3 DE2138236 C3 DE 2138236C3 DE 19712138236 DE19712138236 DE 19712138236 DE 2138236 A DE2138236 A DE 2138236A DE 2138236 C3 DE2138236 C3 DE 2138236C3
Authority
DE
Germany
Prior art keywords
photo
conductor
conductors
light
transparent
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.)
Expired
Application number
DE19712138236
Other languages
German (de)
English (en)
Other versions
DE2138236A1 (de
DE2138236B2 (de
Inventor
Geoffrey Vernon Bunton
Alfred Brian Edwin Ellis
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi 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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of DE2138236A1 publication Critical patent/DE2138236A1/de
Publication of DE2138236B2 publication Critical patent/DE2138236B2/de
Application granted granted Critical
Publication of DE2138236C3 publication Critical patent/DE2138236C3/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965Switches controlled by moving an element forming part of the switch
    • H03K17/968Switches controlled by moving an element forming part of the switch using opto-electronic devices
    • H03K17/969Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard

Landscapes

  • Push-Button Switches (AREA)
  • Structure Of Printed Boards (AREA)
  • Solid State Image Pick-Up Elements (AREA)
DE19712138236 1970-07-30 1971-07-30 Vorrichtung zum Eingeben von Informationen in einen Rechner Expired DE2138236C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3687170A GB1299979A (en) 1970-07-30 1970-07-30 Improvements in or relating to control systems

Publications (3)

Publication Number Publication Date
DE2138236A1 DE2138236A1 (de) 1972-02-10
DE2138236B2 DE2138236B2 (de) 1973-09-20
DE2138236C3 true DE2138236C3 (de) 1974-05-09

Family

ID=10391855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712138236 Expired DE2138236C3 (de) 1970-07-30 1971-07-30 Vorrichtung zum Eingeben von Informationen in einen Rechner

Country Status (4)

Country Link
DE (1) DE2138236C3 (enExample)
FR (1) FR2112194B1 (enExample)
GB (1) GB1299979A (enExample)
IT (1) IT957113B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3068571D1 (en) * 1979-05-01 1984-08-23 Secr Defence Brit Radiation detectors

Also Published As

Publication number Publication date
GB1299979A (en) 1972-12-13
DE2138236A1 (de) 1972-02-10
DE2138236B2 (de) 1973-09-20
IT957113B (it) 1973-10-10
FR2112194A1 (enExample) 1972-06-16
FR2112194B1 (enExample) 1977-03-18

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee