IT1075641B - Disposizione circuitale in tastiere di macchine per scrivere per ufficio,per scrivere dati o telescriventi - Google Patents

Disposizione circuitale in tastiere di macchine per scrivere per ufficio,per scrivere dati o telescriventi

Info

Publication number
IT1075641B
IT1075641B IT22743/77A IT2274377A IT1075641B IT 1075641 B IT1075641 B IT 1075641B IT 22743/77 A IT22743/77 A IT 22743/77A IT 2274377 A IT2274377 A IT 2274377A IT 1075641 B IT1075641 B IT 1075641B
Authority
IT
Italy
Prior art keywords
write
telewriters
keyboards
office
machines
Prior art date
Application number
IT22743/77A
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
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1075641B publication Critical patent/IT1075641B/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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • 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
IT22743/77A 1976-04-26 1977-04-22 Disposizione circuitale in tastiere di macchine per scrivere per ufficio,per scrivere dati o telescriventi IT1075641B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762618143 DE2618143A1 (de) 1976-04-26 1976-04-26 Anordnung in tastaturen von buero-, daten- oder fernschreibmaschinen

Publications (1)

Publication Number Publication Date
IT1075641B true IT1075641B (it) 1985-04-22

Family

ID=5976235

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22743/77A IT1075641B (it) 1976-04-26 1977-04-22 Disposizione circuitale in tastiere di macchine per scrivere per ufficio,per scrivere dati o telescriventi

Country Status (10)

Country Link
JP (1) JPS52130525A (it)
AU (1) AU507360B2 (it)
CH (1) CH605147A5 (it)
DE (1) DE2618143A1 (it)
FR (1) FR2360428A1 (it)
GB (1) GB1530425A (it)
IT (1) IT1075641B (it)
NL (1) NL7704510A (it)
SE (1) SE7704722L (it)
ZA (1) ZA772459B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447089A1 (fr) * 1979-01-17 1980-08-14 Serras Paulet Edouard Clavier de commande a touches et interrupteurs mecaniques
FR2604658B1 (fr) * 1986-10-02 1994-05-20 Souloumiac Alain Clavier a balayage matriciel
WO1987005172A1 (fr) * 1986-02-24 1987-08-27 Alain Souloumiac Perfectionnements des claviers optiques a balayage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886335A (en) * 1973-01-26 1975-05-27 Ind Electronics Engineers Inc Collated cable matrix switch

Also Published As

Publication number Publication date
FR2360428A1 (fr) 1978-03-03
GB1530425A (en) 1978-11-01
CH605147A5 (it) 1978-09-29
JPS52130525A (en) 1977-11-01
DE2618143A1 (de) 1977-11-03
NL7704510A (nl) 1977-10-28
AU2451677A (en) 1978-10-26
ZA772459B (en) 1978-03-29
AU507360B2 (en) 1980-02-14
SE7704722L (sv) 1977-10-27

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