GB2053574B - Illuminated keyboard - Google Patents

Illuminated keyboard

Info

Publication number
GB2053574B
GB2053574B GB8020740A GB8020740A GB2053574B GB 2053574 B GB2053574 B GB 2053574B GB 8020740 A GB8020740 A GB 8020740A GB 8020740 A GB8020740 A GB 8020740A GB 2053574 B GB2053574 B GB 2053574B
Authority
GB
United Kingdom
Prior art keywords
illuminated keyboard
illuminated
keyboard
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
GB8020740A
Other versions
GB2053574A (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.)
Jaeger SA
Original Assignee
Jaeger SA
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 Jaeger SA filed Critical Jaeger SA
Publication of GB2053574A publication Critical patent/GB2053574A/en
Application granted granted Critical
Publication of GB2053574B publication Critical patent/GB2053574B/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
    • 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
    • H01H2209/00—Layers
    • H01H2209/002—Materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/008—Part of substrate or membrane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/03—Printed information in transparent keyboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/05—Key offset in relation to switch site
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/066—Lens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/002—Actuators integral with membrane
    • H01H2221/004—U-shaped openings surrounding keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/016—Lever; Rocker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/05—Force concentrator; Actuating dimple
GB8020740A 1979-07-04 1980-06-25 Illuminated keyboard Expired GB2053574B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7917392A FR2460444A1 (en) 1979-07-04 1979-07-04 LIGHTING DEVICE FOR KEYBOARDS

Publications (2)

Publication Number Publication Date
GB2053574A GB2053574A (en) 1981-02-04
GB2053574B true GB2053574B (en) 1983-05-18

Family

ID=9227515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8020740A Expired GB2053574B (en) 1979-07-04 1980-06-25 Illuminated keyboard

Country Status (5)

Country Link
DE (1) DE8017828U1 (en)
ES (1) ES8105461A1 (en)
FR (1) FR2460444A1 (en)
GB (1) GB2053574B (en)
IT (1) IT1132162B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135427C2 (en) * 1981-09-08 1985-07-18 Telefunken electronic GmbH, 7100 Heilbronn Push button switch
DE3628781A1 (en) * 1985-08-27 1987-03-05 Heiner Flohr Film keyboard
DE9001186U1 (en) * 1990-02-02 1990-05-17 S.W.E.C. Schmitt-Walter Engineering Consult, 82008 Unterhaching Illuminated push button switch
JP2768030B2 (en) * 1991-02-21 1998-06-25 日本電気株式会社 Flat keyboard switch
DE4424618C2 (en) * 1994-07-13 1996-07-11 Grundig Emv Device for transmitting a force exerted on a button to a force sensor
JP4218605B2 (en) * 2004-07-21 2009-02-04 ブラザー工業株式会社 Switch device and image forming apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1518239A (en) * 1966-04-15 1968-03-22 Oak Electro Netics Corp Illuminated push button switch
AR204336A1 (en) * 1973-12-17 1975-12-22 Texas Instruments Inc KEYBOARD PIECE
CA1019248A (en) * 1974-04-01 1977-10-18 Mohabatullah Sobhani Elastomeric diaphragm switch assembly
FR2280963A1 (en) * 1974-08-02 1976-02-27 Oceanic Pushbutton electrical switch using pivoted finger piece - has plastic piece groove and biasing projection for hinge
US4190748A (en) * 1977-01-31 1980-02-26 Rogers Corporation Keyboard switch assembly
US4096364A (en) * 1977-02-22 1978-06-20 Chomerics, Inc. Keyboard switch assembly having flexible contact layer with snap initiator dome

Also Published As

Publication number Publication date
IT8023183A0 (en) 1980-07-02
DE8017828U1 (en) 1980-12-04
GB2053574A (en) 1981-02-04
IT1132162B (en) 1986-06-25
ES493453A0 (en) 1981-05-16
ES8105461A1 (en) 1981-05-16
FR2460444A1 (en) 1981-01-23
FR2460444B1 (en) 1984-03-30

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Legal Events

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