GB1542558A - Keyboard construction - Google Patents

Keyboard construction

Info

Publication number
GB1542558A
GB1542558A GB7740814A GB4081477A GB1542558A GB 1542558 A GB1542558 A GB 1542558A GB 7740814 A GB7740814 A GB 7740814A GB 4081477 A GB4081477 A GB 4081477A GB 1542558 A GB1542558 A GB 1542558A
Authority
GB
United Kingdom
Prior art keywords
keyboard construction
keyboard
construction
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
GB7740814A
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.)
IBM United Kingdom Ltd
Original Assignee
IBM United Kingdom Ltd
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 IBM United Kingdom Ltd filed Critical IBM United Kingdom Ltd
Priority to GB7740814A priority Critical patent/GB1542558A/en
Priority to CA306,512A priority patent/CA1105587A/en
Priority to FR7824967A priority patent/FR2404877A1/en
Priority to DE19782841447 priority patent/DE2841447A1/en
Priority to JP11754578A priority patent/JPS5464422A/en
Priority to IT28245/78A priority patent/IT1159149B/en
Publication of GB1542558A publication Critical patent/GB1542558A/en
Priority to JP1986121077U priority patent/JPS6237843U/ja
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
    • H01H13/83—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 characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/022—Plug
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/002—Materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/01—Increasing rigidity; Anti-creep
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/014—Layers composed of different layers; Lubricant in between
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/014—LED
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/032—Printed information photographic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/034—Coloured areas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/04—Attachments; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/008—Casings metallic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/006—Bank automat; Cash register; Vending machine
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/006—Containing a capacitive switch or usable as such
GB7740814A 1977-09-30 1977-09-30 Keyboard construction Expired GB1542558A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB7740814A GB1542558A (en) 1977-09-30 1977-09-30 Keyboard construction
CA306,512A CA1105587A (en) 1977-09-30 1978-06-29 Keyboard construction
FR7824967A FR2404877A1 (en) 1977-09-30 1978-08-21 COVER PLATE FOR DATA ENTRY KEYBOARD AND APPLICATION KEYPAD
DE19782841447 DE2841447A1 (en) 1977-09-30 1978-09-23 CHARACTERISTIC PLATE OF AN ELECTRIC KEYBOARD FOR DATA ENTRY
JP11754578A JPS5464422A (en) 1977-09-30 1978-09-26 Touch sensing panel keyboard
IT28245/78A IT1159149B (en) 1977-09-30 1978-09-29 TOUCH SENSITIVE PANEL KEYBOARD
JP1986121077U JPS6237843U (en) 1977-09-30 1986-08-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7740814A GB1542558A (en) 1977-09-30 1977-09-30 Keyboard construction

Publications (1)

Publication Number Publication Date
GB1542558A true GB1542558A (en) 1979-03-21

Family

ID=10416757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7740814A Expired GB1542558A (en) 1977-09-30 1977-09-30 Keyboard construction

Country Status (6)

Country Link
JP (2) JPS5464422A (en)
CA (1) CA1105587A (en)
DE (1) DE2841447A1 (en)
FR (1) FR2404877A1 (en)
GB (1) GB1542558A (en)
IT (1) IT1159149B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465306A1 (en) * 1979-09-14 1981-03-20 Nissan Motor DUAL-ROLE DEVICE FOR CONTROLLING CIRCUITS AND DISPLAYING FUNCTIONS AT THE SAME TIME
EP0032302A2 (en) * 1980-01-11 1981-07-22 Cbs Inc Organ stop control apparatus
WO1988005209A1 (en) * 1987-01-05 1988-07-14 Ncr Corporation Switch matrix keyboard

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481031B1 (en) * 1980-04-22 1988-06-10 Telephonie Ind Commerciale UNIVERSAL INTERCOMMUNICATION TERMINAL
JPS57116521U (en) * 1981-01-12 1982-07-19
JPS5841934U (en) * 1981-09-15 1983-03-19 アンリツ株式会社 flat switch
JPS5931519A (en) * 1982-08-13 1984-02-20 キヤノン株式会社 Keyboard switch
JPS6142632U (en) * 1984-08-22 1986-03-19 富士ゴム株式会社 Electromagnetic shielded input device
JPH0610583Y2 (en) * 1987-06-10 1994-03-16 松下電器産業株式会社 Membrane switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3507378A (en) * 1968-06-10 1970-04-21 Ibm Keyboard for displaying one of a plurality of symbolic sets stored therein
US3591749A (en) * 1969-05-12 1971-07-06 Singer Co Printed circuit keyboard

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2465306A1 (en) * 1979-09-14 1981-03-20 Nissan Motor DUAL-ROLE DEVICE FOR CONTROLLING CIRCUITS AND DISPLAYING FUNCTIONS AT THE SAME TIME
EP0032302A2 (en) * 1980-01-11 1981-07-22 Cbs Inc Organ stop control apparatus
EP0032302A3 (en) * 1980-01-11 1982-09-29 Cbs Inc Organ stop control apparatus
WO1988005209A1 (en) * 1987-01-05 1988-07-14 Ncr Corporation Switch matrix keyboard
US4796007A (en) * 1987-01-05 1989-01-03 Ncr Corporation Micro-motion keyboard

Also Published As

Publication number Publication date
FR2404877A1 (en) 1979-04-27
CA1105587A (en) 1981-07-21
JPS6237843U (en) 1987-03-06
FR2404877B1 (en) 1981-02-06
DE2841447A1 (en) 1979-04-12
JPS5464422A (en) 1979-05-24
IT7828245A0 (en) 1978-09-29
IT1159149B (en) 1987-02-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee