IT1134744B - KEYBOARD LIGHTING DEVICE - Google Patents

KEYBOARD LIGHTING DEVICE

Info

Publication number
IT1134744B
IT1134744B IT26684/80A IT2668480A IT1134744B IT 1134744 B IT1134744 B IT 1134744B IT 26684/80 A IT26684/80 A IT 26684/80A IT 2668480 A IT2668480 A IT 2668480A IT 1134744 B IT1134744 B IT 1134744B
Authority
IT
Italy
Prior art keywords
lighting device
keyboard lighting
keyboard
lighting
Prior art date
Application number
IT26684/80A
Other languages
Italian (it)
Other versions
IT8026684A0 (en
Inventor
Daniel Lagier
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 IT8026684A0 publication Critical patent/IT8026684A0/en
Application granted granted Critical
Publication of IT1134744B publication Critical patent/IT1134744B/en

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
    • H01H13/702—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 with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • 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
    • 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
    • H01H2219/03—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/056—Diffuser; Uneven surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/06—Reflector
IT26684/80A 1979-12-21 1980-12-16 KEYBOARD LIGHTING DEVICE IT1134744B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7931549A FR2472138A2 (en) 1979-12-21 1979-12-21 LIGHTING DEVICE FOR KEYBOARDS

Publications (2)

Publication Number Publication Date
IT8026684A0 IT8026684A0 (en) 1980-12-16
IT1134744B true IT1134744B (en) 1986-08-13

Family

ID=9233114

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26684/80A IT1134744B (en) 1979-12-21 1980-12-16 KEYBOARD LIGHTING DEVICE

Country Status (7)

Country Link
AR (1) AR221667A1 (en)
DE (1) DE8032982U1 (en)
ES (1) ES8204524A2 (en)
FR (1) FR2472138A2 (en)
GB (1) GB2066575B (en)
IT (1) IT1134744B (en)
MX (1) MX148414A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133779A1 (en) * 1981-08-26 1983-03-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Film push-button switch
FR2511941B1 (en) * 1981-09-01 1988-02-05 Telemecanique Electrique MODULAR, WATERPROOF, TOUCHPAD KEYBOARD
DE8302660U1 (en) * 1983-02-01 1983-06-16 Hans Widmaier Fabrik Fuer Apparate Der Fernmelde- Und Feinwerktechnik, 8000 Muenchen Key arrangement for triggering certain symbols of the key surface in each case assigned switching functions or switching signals.
IT8322174V0 (en) * 1983-06-21 1983-06-21 Cavis Cavetti Isolati Spa CONTROL UNIT, APPLICABLE ON INSTRUMENT PANELS OR DASHBOARDS, PARTICULARLY DESIGNED FOR THE ADJUSTMENT AND CONTROL OF AIR CONDITIONING, INSIDE MOTOR VEHICLES.
US4710602A (en) * 1986-02-03 1987-12-01 General Motors Corporation Illuminated rocker switch assembly
US4683359A (en) * 1986-03-13 1987-07-28 Eaton Corporation Illuminated switch assembly with combined light and light shield
FR2598015B1 (en) * 1986-04-23 1990-01-19 Telephonie Ind Commerciale PLASTRON WITH LIGHTS FOR CONTROL DEVICE WITH LUMINOUS SIGNALING
US4772769A (en) * 1987-02-06 1988-09-20 Burr-Brown Corporation Apparatus for selective backlighting of keys of a keyboard
DE4124748C2 (en) * 1991-07-25 1995-12-14 Reitberger Gmbh Keypad, especially for a control panel
GB2266186B (en) * 1992-04-14 1995-09-20 Motorola Gmbh A keyboard
GB2364275A (en) * 2000-07-05 2002-01-23 Behavior Tech Computer Corp Backlit keyboard with a push button(s) having an illuminator(s) thereunder which is operable on movement of the button between first and second positions
JP5036103B2 (en) * 2001-05-14 2012-09-26 日本電気株式会社 Portable communication device
DE10357649B4 (en) * 2003-12-10 2014-07-31 Demmel Ag Keypad with operation buttons
US20060071901A1 (en) * 2004-10-05 2006-04-06 Feldman Mark G Graphic illumination for contact-less control

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811025A (en) * 1973-05-17 1974-05-14 Lockheed Electronics Co Touch panel switch assembly
GB1496640A (en) * 1976-10-12 1977-12-30 Pye Ltd Actuator for an electric switch
US4160886A (en) * 1977-07-21 1979-07-10 Clare-Pendar Co. Keyboards and methods of making keyboards

Also Published As

Publication number Publication date
GB2066575A (en) 1981-07-08
GB2066575B (en) 1983-09-21
DE8032982U1 (en) 1981-04-02
IT8026684A0 (en) 1980-12-16
FR2472138A2 (en) 1981-06-26
ES498199A0 (en) 1982-05-01
AR221667A1 (en) 1981-02-27
ES8204524A2 (en) 1982-05-01
MX148414A (en) 1983-04-18

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