GB1530425A - Keyboard arrangements - Google Patents

Keyboard arrangements

Info

Publication number
GB1530425A
GB1530425A GB7347/77A GB734777A GB1530425A GB 1530425 A GB1530425 A GB 1530425A GB 7347/77 A GB7347/77 A GB 7347/77A GB 734777 A GB734777 A GB 734777A GB 1530425 A GB1530425 A GB 1530425A
Authority
GB
United Kingdom
Prior art keywords
paths
pair
pluralities
keyboard
bridges
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB7347/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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 GB1530425A publication Critical patent/GB1530425A/en
Expired legal-status Critical Current

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

Landscapes

  • Input From Keyboards Or The Like (AREA)
GB7347/77A 1976-04-26 1977-02-22 Keyboard arrangements Expired GB1530425A (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
GB1530425A true GB1530425A (en) 1978-11-01

Family

ID=5976235

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7347/77A Expired GB1530425A (en) 1976-04-26 1977-02-22 Keyboard arrangements

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
CH605147A5 (it) 1978-09-29
NL7704510A (nl) 1977-10-28
AU2451677A (en) 1978-10-26
DE2618143A1 (de) 1977-11-03
ZA772459B (en) 1978-03-29
AU507360B2 (en) 1980-02-14
SE7704722L (sv) 1977-10-27
JPS52130525A (en) 1977-11-01
IT1075641B (it) 1985-04-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee