IT962475B - Tastiera fotoelettrica per disposi tivi di introduzione didati o simili - Google Patents

Tastiera fotoelettrica per disposi tivi di introduzione didati o simili

Info

Publication number
IT962475B
IT962475B IT2668372A IT2668372A IT962475B IT 962475 B IT962475 B IT 962475B IT 2668372 A IT2668372 A IT 2668372A IT 2668372 A IT2668372 A IT 2668372A IT 962475 B IT962475 B IT 962475B
Authority
IT
Italy
Prior art keywords
similar
introduction devices
data introduction
photoelectric keyboard
photoelectric
Prior art date
Application number
IT2668372A
Other languages
English (en)
Italian (it)
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT962475B publication Critical patent/IT962475B/it

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
IT2668372A 1971-07-15 1972-07-06 Tastiera fotoelettrica per disposi tivi di introduzione didati o simili IT962475B (it)

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
IT962475B true IT962475B (it) 1973-12-20

Family

ID=5813817

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2668372A IT962475B (it) 1971-07-15 1972-07-06 Tastiera fotoelettrica per disposi tivi di introduzione didati o simili

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
DE2135440C3 (de) 1974-01-03
AU468000B2 (en) 1975-12-18
DK130092C (enrdf_load_stackoverflow) 1975-07-14
AU4382872A (en) 1974-01-03
GB1340305A (en) 1973-12-12
DD97803A5 (enrdf_load_stackoverflow) 1973-05-12
CH540529A (de) 1973-08-15
ES404909A1 (es) 1975-06-16
DK130092B (da) 1974-12-16
DE2135440A1 (de) 1973-01-25
BE788731A (fr) 1973-03-13
DE2135440B2 (de) 1973-05-30
FR2146057A5 (enrdf_load_stackoverflow) 1973-02-23

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