ZA805154B - Immuniable key assemblies - Google Patents

Immuniable key assemblies

Info

Publication number
ZA805154B
ZA805154B ZA00805154A ZA805154A ZA805154B ZA 805154 B ZA805154 B ZA 805154B ZA 00805154 A ZA00805154 A ZA 00805154A ZA 805154 A ZA805154 A ZA 805154A ZA 805154 B ZA805154 B ZA 805154B
Authority
ZA
South Africa
Prior art keywords
immuniable
key assemblies
assemblies
key
immuniable key
Prior art date
Application number
ZA00805154A
Other languages
English (en)
Inventor
H Thormann
K Zeller
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of ZA805154B publication Critical patent/ZA805154B/xx

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
    • B41J5/12—Construction of key buttons
    • 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
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • 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
    • H01H13/562—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 making use of a heart shaped cam
ZA00805154A 1979-08-22 1980-08-21 Immuniable key assemblies ZA805154B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2933983A DE2933983C2 (de) 1979-08-22 1979-08-22 Taste mit Leuchtanzeige für Tastaturen in Büro- und Fernschreibmaschinen

Publications (1)

Publication Number Publication Date
ZA805154B true ZA805154B (en) 1981-08-26

Family

ID=6079045

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00805154A ZA805154B (en) 1979-08-22 1980-08-21 Immuniable key assemblies

Country Status (9)

Country Link
US (1) US4365903A (xx)
EP (1) EP0024620B1 (xx)
JP (1) JPS5632627A (xx)
BR (1) BR8005315A (xx)
DE (1) DE2933983C2 (xx)
DK (1) DK360180A (xx)
MX (1) MX148453A (xx)
PT (1) PT71723B (xx)
ZA (1) ZA805154B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU530568B2 (en) * 1980-10-31 1983-07-21 Canon Kabushiki Kaisha Serial printing apparatus with memory and display
US4462708A (en) * 1981-04-09 1984-07-31 Kroy Inc. Automated tape lettering machine
US4652972A (en) * 1983-03-24 1987-03-24 Christof Subklew Front construction unit for electrical monitoring panel
FR2616265B1 (fr) * 1987-06-05 1993-05-14 Telemecanique Electrique Interrupteur a accrochage
FI88345C (fi) * 1991-01-29 1993-04-26 Nokia Mobile Phones Ltd Belyst tastatur
IT229564Y1 (it) * 1993-01-19 1999-01-29 Cavis Srl Interruttore per l'azionamento di utenze elettriche particolarmente st udiato per autoveicoli
US5659162A (en) * 1995-06-27 1997-08-19 Eaton Corporation Switch assembly
US5684513A (en) * 1995-07-17 1997-11-04 Decker; Mark Randall Electronic luminescence keyboard system for a portable device
GB2313343A (en) * 1996-05-20 1997-11-26 Reuters Ltd A keyboard having keycaps with transparent front faces
DE19857864A1 (de) * 1998-12-15 2000-06-29 Mannesmann Vdo Ag Kassettenlaufwerk mit beleuchtbaren Laufwerkstasten
GB2398674B (en) * 2003-02-24 2005-01-12 Matthew Paul Michael Dimmer/toggle switch

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7122932U (de) * 1971-06-15 1972-11-30 Bbc,Dt Elektrischer Drucktastenschalter
DE7211412U (de) * 1972-03-24 1972-07-06 Siemens Ag Leuchtdrucktaste
DE2233170A1 (de) * 1972-07-06 1974-01-17 Triumph Werke Nuernberg Ag Tastschalter mit einem in einem gehaeuse verschiebbaren tastenstoessel
DE2241346C3 (de) * 1972-08-23 1975-09-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Tastenschalter, insbesondere für Tastaturen in Schreibmaschinen und ähnlichen Maschinen
GB1441196A (en) * 1973-07-27 1976-06-30 Oak Industries Inc Pushbutton switch
DE2438108C2 (de) * 1974-08-08 1982-09-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Leuchttaste insbesondere für Fernmeldeanlagen
US4096368A (en) * 1976-07-08 1978-06-20 Cutler-Hammer, Inc. Pushbutton switch
US4088855A (en) * 1977-02-28 1978-05-09 Korry Manufacturing Co. Keyboard electro-mechanical switch with coil spring contact

Also Published As

Publication number Publication date
DK360180A (da) 1981-02-23
EP0024620A1 (de) 1981-03-11
US4365903A (en) 1982-12-28
JPS5632627A (en) 1981-04-02
MX148453A (es) 1983-04-22
BR8005315A (pt) 1981-03-04
EP0024620B1 (de) 1983-09-14
DE2933983A1 (de) 1981-03-26
DE2933983C2 (de) 1984-03-22
PT71723B (de) 1981-06-29
PT71723A (de) 1980-09-01

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