ES404909A1 - Un teclado fotoelectrico mejorado para las unidades de en- trada de datos. - Google Patents

Un teclado fotoelectrico mejorado para las unidades de en- trada de datos.

Info

Publication number
ES404909A1
ES404909A1 ES404909A ES404909A ES404909A1 ES 404909 A1 ES404909 A1 ES 404909A1 ES 404909 A ES404909 A ES 404909A ES 404909 A ES404909 A ES 404909A ES 404909 A1 ES404909 A1 ES 404909A1
Authority
ES
Spain
Prior art keywords
keyboard
data input
input devices
path
light rays
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
ES404909A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES404909A1 publication Critical patent/ES404909A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/60—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force with contact-driving member moved alternately in opposite directions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
    • H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard

Landscapes

  • Input From Keyboards Or The Like (AREA)
ES404909A 1971-07-15 1972-07-15 Un teclado fotoelectrico mejorado para las unidades de en- trada de datos. Expired ES404909A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712135440 DE2135440C3 (de) 1971-07-15 1971-07-15 Fotoelektrische Tastatur für Dateneingabegeräte od.dgl

Publications (1)

Publication Number Publication Date
ES404909A1 true ES404909A1 (es) 1975-06-16

Family

ID=5813817

Family Applications (1)

Application Number Title Priority Date Filing Date
ES404909A Expired ES404909A1 (es) 1971-07-15 1972-07-15 Un teclado fotoelectrico mejorado para las unidades de en- trada de datos.

Country Status (10)

Country Link
AU (1) AU468000B2 (enrdf_load_stackoverflow)
BE (1) BE788731A (enrdf_load_stackoverflow)
CH (1) CH540529A (enrdf_load_stackoverflow)
DD (1) DD97803A5 (enrdf_load_stackoverflow)
DE (1) DE2135440C3 (enrdf_load_stackoverflow)
DK (1) DK130092B (enrdf_load_stackoverflow)
ES (1) ES404909A1 (enrdf_load_stackoverflow)
FR (1) FR2146057A5 (enrdf_load_stackoverflow)
GB (1) GB1340305A (enrdf_load_stackoverflow)
IT (1) IT962475B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595179B1 (fr) * 1986-02-28 1988-05-06 Labo Electronique Physique Four a micro-ondes muni de moyens de controle reduisant les risques de fonctionnement sans charge

Also Published As

Publication number Publication date
DE2135440A1 (de) 1973-01-25
FR2146057A5 (enrdf_load_stackoverflow) 1973-02-23
AU468000B2 (en) 1975-12-18
BE788731A (fr) 1973-03-13
CH540529A (de) 1973-08-15
DD97803A5 (enrdf_load_stackoverflow) 1973-05-12
AU4382872A (en) 1974-01-03
IT962475B (it) 1973-12-20
DK130092B (da) 1974-12-16
DE2135440B2 (de) 1973-05-30
DK130092C (enrdf_load_stackoverflow) 1975-07-14
GB1340305A (en) 1973-12-12
DE2135440C3 (de) 1974-01-03

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