IT962475B - PHOTOELECTRIC KEYBOARD FOR DATA INTRODUCTION DEVICES OR SIMILAR - Google Patents

PHOTOELECTRIC KEYBOARD FOR DATA INTRODUCTION DEVICES OR SIMILAR

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
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/en

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 PHOTOELECTRIC KEYBOARD FOR DATA INTRODUCTION DEVICES OR SIMILAR IT962475B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712135440 DE2135440C3 (en) 1971-07-15 1971-07-15 Photoelectric keyboard for data input devices or the like

Publications (1)

Publication Number Publication Date
IT962475B true IT962475B (en) 1973-12-20

Family

ID=5813817

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2668372A IT962475B (en) 1971-07-15 1972-07-06 PHOTOELECTRIC KEYBOARD FOR DATA INTRODUCTION DEVICES OR SIMILAR

Country Status (10)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595179B1 (en) * 1986-02-28 1988-05-06 Labo Electronique Physique MICROWAVE OVEN PROVIDED WITH CONTROL MEANS REDUCING THE RISK OF LOAD-FREE OPERATION

Also Published As

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

Similar Documents

Publication Publication Date Title
BE785523A (en) ALPHA-CYANOBENZYL CYCLOPROPANE-CARBOXYLATES
IT950135B (en) DEVICE FOR THE CONTINUOUS CONVEYANCE OF MALTA OR SIMILAR
DK125612B (en) Plant base.
SE384012B (en) FRICTION BUFFER
IT963391B (en) CURVED SURFACE GENERATOR
CH525486A (en) Scratch hardness tester
BE791463A (en) BODYGUARD
CH552428A (en) DRILLING AND FACING MACHINE.
IT959840B (en) STEEL
IT963318B (en) PHOTOELECTRIC KEYPAD FOR DATA INPUT DEVICES OR SIMILAR
IT974181B (en) HARDNESS TESTING MACHINE
CH547059A (en) SCHAEDLING INHIBITOR.
BE778908A (en) TRIAZOLYL CARBAMATES
IT956981B (en) PROTECTIVE COATINGS
BE789811A (en) 1,4-BIS-ACYLPIPERAZINES
BE785306A (en) ROESTVAST STAAL
IT962475B (en) PHOTOELECTRIC KEYBOARD FOR DATA INTRODUCTION DEVICES OR SIMILAR
IT949861B (en) SETTING DEVICE FOR WRITING MACHINES OR SIMILAR
SU456432A3 (en) Sampler
IT950958B (en) FERRAMENTO FOR DOORS OR SIMILAR
BE790533A (en) HARDENABLE POLYEPOXIDE-POLYSILOXANES
IT959980B (en) ELECTRONIC KEYBOARD
IT965636B (en) DIARYL COMPOUNDS
SU490102A1 (en) Thermoregulator
IT962298B (en) METHOD OF METALLIZING DEVICES