IT992970B - Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similari - Google Patents

Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similari

Info

Publication number
IT992970B
IT992970B IT2788773A IT2788773A IT992970B IT 992970 B IT992970 B IT 992970B IT 2788773 A IT2788773 A IT 2788773A IT 2788773 A IT2788773 A IT 2788773A IT 992970 B IT992970 B IT 992970B
Authority
IT
Italy
Prior art keywords
machines
keyboards
key switch
writing
similar
Prior art date
Application number
IT2788773A
Other languages
English (en)
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
Priority claimed from DE2241346A external-priority patent/DE2241346C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT992970B publication Critical patent/IT992970B/it

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)
  • Input From Keyboards Or The Like (AREA)
IT2788773A 1972-08-23 1973-08-14 Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similari IT992970B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7231118 1972-08-23
DE2241346A DE2241346C3 (de) 1972-08-23 1972-08-23 Tastenschalter, insbesondere für Tastaturen in Schreibmaschinen und ähnlichen Maschinen

Publications (1)

Publication Number Publication Date
IT992970B true IT992970B (it) 1975-09-30

Family

ID=25763736

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2788773A IT992970B (it) 1972-08-23 1973-08-14 Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similari

Country Status (9)

Country Link
JP (1) JPS5423291B2 (it)
AR (1) AR200879A1 (it)
CH (1) CH561955A5 (it)
CS (1) CS186253B2 (it)
FR (1) FR2197218B1 (it)
GB (1) GB1412808A (it)
IT (1) IT992970B (it)
NL (1) NL174890C (it)
SE (1) SE382774B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51412A (it) * 1974-06-19 1976-01-06 Hitachi Ltd
DE8309913U1 (de) * 1983-04-05 1985-03-28 Dr. Eugen Sasse GmbH Bauelemente für die Elektronik, 8540 Schwabach Tastaturtaste, insbesondere für Fernsprechtastenapparate
EP0261702A1 (en) * 1986-08-27 1988-03-30 Koninklijke Philips Electronics N.V. Switch provided with wire-shaped contact members
DE102004054617B3 (de) * 2004-11-11 2006-05-11 Zf Friedrichshafen Ag Betätigungseinrichtung mit Tasten

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274355A (en) * 1965-02-08 1966-09-20 Scantlin Electronics Inc Cam operated snap switch having wire contacts
US3715545A (en) * 1971-06-18 1973-02-06 Cherry Electrical Prod Momentary push button switch with improved non-conductive cam for normally retaining movable leaf spring contacts in a non-operative position

Also Published As

Publication number Publication date
JPS4957918A (it) 1974-06-05
SE382774B (sv) 1976-02-16
AU5912673A (en) 1975-02-13
NL174890C (nl) 1984-08-16
FR2197218A1 (it) 1974-03-22
GB1412808A (en) 1975-11-05
FR2197218B1 (it) 1977-09-09
NL174890B (nl) 1984-03-16
NL7311315A (it) 1974-02-26
AR200879A1 (es) 1974-12-27
CS186253B2 (en) 1978-11-30
JPS5423291B2 (it) 1979-08-13
CH561955A5 (it) 1975-05-15

Similar Documents

Publication Publication Date Title
IT975915B (it) Tastiera in materiale elastico per macchine per ufficio
IT990274B (it) Perfezionamento negli interruttori a pulsante
IT977322B (it) Perfezionamento nelle tastiere in particolare per calcolatrici elettroniche
DK143007C (da) Tastafbryder
AT335201B (de) Tastengesteuerte dateneingabevorrichtung
IT993035B (it) Cassa per macchine per scrivere azionate elettricamente e macchine similari
IT989288B (it) Calamaio nelle macchine stampa trici
IT963820B (it) Perfezionamenti in un dispositivo di contatto
SE382279B (sv) Elektrisk tangentstromstellare.
BR7303317D0 (pt) Aperfeicoamentos em misturador refinador
IT970935B (it) Interruttore a tasto con puntale scorrevole in una scatol
BR7309224D0 (pt) Aperfeicoamento em contato eletrico
BR7309223D0 (pt) Aperfeicoamento em contato eletrico
BR7306505D0 (pt) Aperfeicoamentos em cabeca aplicadora de tampas por pressao e em maquina aplicadora de tampas
BR7304939D0 (pt) Aperfeicoamento em maquinas empilhadeiras
AR200412A1 (es) Mejoras en un electrolizador bipolar
IT992970B (it) Interruttore a tasto specie per tastiere in macchine per scrivere e macchine similari
BR7301354D0 (pt) Aperfeicoamento em disjuntor estatico
IT949087B (it) Interruttore a tasto
BE802922A (fr) Imprimante a clavier en retrait
IT979054B (it) Commutatore elettrico a bilico
IT976032B (it) Tastiera in materiale elastico per macchine per ufficio
IT974060B (it) Perfezionamento negli interruttori o commutatori a pulsante.adatti in particolare per tastiere e simi li
BE804598A (fr) Commutateur, en particulier touche, a contact a ressort
AR196644A1 (es) Mejoras en llaves a botonera