AU4382872A - Photoelectric keyboard for data input devices or the like - Google Patents

Photoelectric keyboard for data input devices or the like

Info

Publication number
AU4382872A
AU4382872A AU43828/72A AU4382872A AU4382872A AU 4382872 A AU4382872 A AU 4382872A AU 43828/72 A AU43828/72 A AU 43828/72A AU 4382872 A AU4382872 A AU 4382872A AU 4382872 A AU4382872 A AU 4382872A
Authority
AU
Australia
Prior art keywords
data input
input devices
photoelectric keyboard
photoelectric
keyboard
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
AU43828/72A
Other versions
AU468000B2 (en
Inventor
Cramer Wolfgang Andrich Bernhard
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 Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Standard Telephone and Cables PLC
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 Standard Telephone and Cables Pty Ltd, Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables Pty Ltd
Publication of AU4382872A publication Critical patent/AU4382872A/en
Application granted granted Critical
Publication of AU468000B2 publication Critical patent/AU468000B2/en
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
AU43828/72A 1971-07-15 1972-06-23 Photoelectric keyboard for data input devices or the like Expired AU468000B2 (en)

Applications Claiming Priority (2)

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
DEDE82135 1971-07-15

Publications (2)

Publication Number Publication Date
AU4382872A true AU4382872A (en) 1974-01-03
AU468000B2 AU468000B2 (en) 1975-12-18

Family

ID=5813817

Family Applications (1)

Application Number Title Priority Date Filing Date
AU43828/72A Expired AU468000B2 (en) 1971-07-15 1972-06-23 Photoelectric keyboard for data input devices or the like

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
IT962475B (en) 1973-12-20
DE2135440C3 (en) 1974-01-03
DK130092B (en) 1974-12-16
DE2135440A1 (en) 1973-01-25
GB1340305A (en) 1973-12-12
CH540529A (en) 1973-08-15
DD97803A5 (en) 1973-05-12
BE788731A (en) 1973-03-13
DE2135440B2 (en) 1973-05-30
DK130092C (en) 1975-07-14
ES404909A1 (en) 1975-06-16
FR2146057A5 (en) 1973-02-23
AU468000B2 (en) 1975-12-18

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