ZA772459B - Improvements in or relating to keyboard arrangements - Google Patents

Improvements in or relating to keyboard arrangements

Info

Publication number
ZA772459B
ZA772459B ZA00772459A ZA772459A ZA772459B ZA 772459 B ZA772459 B ZA 772459B ZA 00772459 A ZA00772459 A ZA 00772459A ZA 772459 A ZA772459 A ZA 772459A ZA 772459 B ZA772459 B ZA 772459B
Authority
ZA
South Africa
Prior art keywords
relating
keyboard arrangements
keyboard
arrangements
Prior art date
Application number
ZA00772459A
Other languages
English (en)
Inventor
Zeller K Schmid
W Wachs
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 ZA772459B publication Critical patent/ZA772459B/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
    • H01H13/70—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
ZA00772459A 1976-04-26 1977-04-25 Improvements in or relating to keyboard arrangements ZA772459B (en)

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
ZA772459B true ZA772459B (en) 1978-03-29

Family

ID=5976235

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00772459A ZA772459B (en) 1976-04-26 1977-04-25 Improvements in or relating to keyboard arrangements

Country Status (10)

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

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
US4980685A (en) * 1986-02-24 1990-12-25 Alain Souloumiac Scanning optical keyboard
FR2604658B1 (fr) * 1986-10-02 1994-05-20 Souloumiac Alain Clavier a balayage matriciel

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
DE2618143A1 (de) 1977-11-03
AU2451677A (en) 1978-10-26
NL7704510A (nl) 1977-10-28
GB1530425A (en) 1978-11-01
FR2360428A1 (fr) 1978-03-03
CH605147A5 (ref) 1978-09-29
SE7704722L (sv) 1977-10-27
AU507360B2 (en) 1980-02-14
JPS52130525A (en) 1977-11-01
IT1075641B (it) 1985-04-22

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