CH540529A - Photoelectric keyboard, in particular for data input devices - Google Patents

Photoelectric keyboard, in particular for data input devices

Info

Publication number
CH540529A
CH540529A CH1041372A CH1041372A CH540529A CH 540529 A CH540529 A CH 540529A CH 1041372 A CH1041372 A CH 1041372A CH 1041372 A CH1041372 A CH 1041372A CH 540529 A CH540529 A CH 540529A
Authority
CH
Switzerland
Prior art keywords
data input
input devices
photoelectric keyboard
photoelectric
keyboard
Prior art date
Application number
CH1041372A
Other languages
German (de)
Inventor
Cramer Bernhard
Andrich Wolfgang
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
Publication of CH540529A publication Critical patent/CH540529A/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
CH1041372A 1971-07-15 1972-07-12 Photoelectric keyboard, in particular for data input devices CH540529A (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
CH540529A true CH540529A (en) 1973-08-15

Family

ID=5813817

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1041372A CH540529A (en) 1971-07-15 1972-07-12 Photoelectric keyboard, in particular for data input devices

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
AU468000B2 (en) 1975-12-18
FR2146057A5 (en) 1973-02-23
BE788731A (en) 1973-03-13
DE2135440B2 (en) 1973-05-30
IT962475B (en) 1973-12-20
GB1340305A (en) 1973-12-12
DK130092B (en) 1974-12-16
AU4382872A (en) 1974-01-03
DK130092C (en) 1975-07-14
ES404909A1 (en) 1975-06-16
DD97803A5 (en) 1973-05-12
DE2135440A1 (en) 1973-01-25
DE2135440C3 (en) 1974-01-03

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Legal Events

Date Code Title Description
PL Patent ceased