ZA735396B - Improvements in or relating to key switches - Google Patents

Improvements in or relating to key switches

Info

Publication number
ZA735396B
ZA735396B ZA735396A ZA735396A ZA735396B ZA 735396 B ZA735396 B ZA 735396B ZA 735396 A ZA735396 A ZA 735396A ZA 735396 A ZA735396 A ZA 735396A ZA 735396 B ZA735396 B ZA 735396B
Authority
ZA
South Africa
Prior art keywords
relating
key switches
switches
key
Prior art date
Application number
ZA735396A
Other languages
English (en)
Inventor
W Westram
F Hofmeier
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 ZA735396B publication Critical patent/ZA735396B/xx

Links

Classifications

    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
ZA735396A 1972-08-23 1973-08-08 Improvements in or relating to key switches ZA735396B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2241346A DE2241346C3 (de) 1972-08-23 1972-08-23 Tastenschalter, insbesondere für Tastaturen in Schreibmaschinen und ähnlichen Maschinen

Publications (1)

Publication Number Publication Date
ZA735396B true ZA735396B (en) 1974-07-31

Family

ID=5854264

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA735396A ZA735396B (en) 1972-08-23 1973-08-08 Improvements in or relating to key switches

Country Status (5)

Country Link
US (1) US3866006A (de)
BE (1) BE803941A (de)
CA (1) CA998081A (de)
DE (1) DE2241346C3 (de)
ZA (1) ZA735396B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255633A (en) * 1979-06-04 1981-03-10 Westinghouse Electric Corp. Push-pull switch operator
DE2933983C2 (de) * 1979-08-22 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Taste mit Leuchtanzeige für Tastaturen in Büro- und Fernschreibmaschinen
DE3312217A1 (de) * 1983-04-05 1984-10-11 Dr. Eugen Sasse GmbH Bauelemente für die Elektronik, 8540 Schwabach Tastaturtaste, insbesondere fuer fernsprechtastenapparate
GB2238912A (en) * 1989-07-28 1991-06-12 Acer Inc Pushbutton switch assembly
US6028279A (en) * 1998-02-27 2000-02-22 Korry Electronics Co. Lighted push button switch

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671140A (en) * 1951-04-02 1954-03-02 Hetherington Inc Safety switch
US2899512A (en) * 1956-12-13 1959-08-11 burch
GB1282654A (en) * 1970-04-02 1972-07-19 Mte Components Ltd Improvements in or relating to electrical relays
US3739127A (en) * 1972-02-17 1973-06-12 Cherry Electrical Prod Keyboard pulse switch

Also Published As

Publication number Publication date
CA998081A (en) 1976-10-05
BE803941A (fr) 1974-02-25
US3866006A (en) 1975-02-11
DE2241346C3 (de) 1975-09-11
DE2241346A1 (de) 1974-03-21
DE2241346B2 (de) 1975-01-23

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