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ATE157808T1 - ELECTRICAL KEY SWITCH - Google Patents

ELECTRICAL KEY SWITCH

Info

Publication number
ATE157808T1
ATE157808T1 AT92810783T AT92810783T ATE157808T1 AT E157808 T1 ATE157808 T1 AT E157808T1 AT 92810783 T AT92810783 T AT 92810783T AT 92810783 T AT92810783 T AT 92810783T AT E157808 T1 ATE157808 T1 AT E157808T1
Authority
AT
Austria
Prior art keywords
push
button
snap disc
centring
cap
Prior art date
Application number
AT92810783T
Other languages
German (de)
Inventor
Ernst Ingold
Original Assignee
Fela Management 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 Fela Management Ag filed Critical Fela Management Ag
Application granted granted Critical
Publication of ATE157808T1 publication Critical patent/ATE157808T1/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
    • H01H13/7006—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 comprising a separate movable contact element for each switch site, all other elements being integrated in layers
    • 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
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • 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
    • H01H13/02—Details
    • H01H13/26—Snap-action arrangements depending upon deformation of elastic members
    • H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/016—Separate bridge contact
    • H01H2205/024—Means to facilitate positioning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/026—Separate dome contact

Landscapes

  • Push-Button Switches (AREA)
  • Switches With Compound Operations (AREA)

Abstract

Electrical push-button switches, especially short-stroke push-buttons, are used to an increasing extent in film keyboards of electronic apparatuses. A push-button switch (1) has a push-button and a centring cap (11) with positioning pins (23) which centre a snap disc (3). For its part, the snap disc (3) rests on a printed-circuit board (2) having contact fields (6), and bridges over these fields in the event of manual operation of a covering film (12). In order to limit the force which acts on the snap disc (3), a supporting region which simultaneously acts as a movement limiter is provided in the push-button and centring cap (14). The push-button switch (1) of such construction can be assembled detachably and without solder and has a very long life. Illumination and/or marking elements can also be integrated. <IMAGE>
AT92810783T 1991-10-14 1992-10-13 ELECTRICAL KEY SWITCH ATE157808T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4133949 1991-10-14
DE4139554A DE4139554A1 (en) 1991-10-14 1991-11-30 ELECTRIC KEY SWITCH

Publications (1)

Publication Number Publication Date
ATE157808T1 true ATE157808T1 (en) 1997-09-15

Family

ID=25908196

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92810783T ATE157808T1 (en) 1991-10-14 1992-10-13 ELECTRICAL KEY SWITCH

Country Status (3)

Country Link
EP (1) EP0538199B1 (en)
AT (1) ATE157808T1 (en)
DE (2) DE4139554A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294158A (en) * 1994-10-14 1996-04-17 Peter Stefan Jones Switch assembly
DE29514655U1 (en) * 1995-09-12 1995-11-02 Schurter GmbH, 79346 Endingen Electric keyboard
JPH0992079A (en) * 1995-09-21 1997-04-04 Fuji Polymertech Kk Low-stroke film disc spring
DE19605201B4 (en) * 1996-02-13 2007-04-12 Marquardt Gmbh Housing for an electronic key
FR2762454B1 (en) * 1997-04-17 1999-06-04 Afe Plasturgie FLAT BUTTON FOR VEHICLE HEATING CONTROL PANEL
DE19817369A1 (en) 1997-05-07 1998-11-12 Marquardt Gmbh Switch for washing machine, etc.
DE19817239B4 (en) * 1998-04-18 2011-12-29 Grothe Gmbh Electric button
DE19847614A1 (en) * 1998-10-15 2000-05-04 Magenwirth Gmbh Co Gustav Snap switch
DE10011800B4 (en) * 2000-03-14 2007-11-29 Robert Bosch Gmbh lighting device
DE10054862A1 (en) 2000-11-06 2002-06-13 Dyna Systems Gmbh Electrical switch, in particular piezo switch, with optical and / or mechanical feedback of the switching process
DE102004004136B4 (en) * 2004-01-28 2006-04-20 Braun Gmbh Small electrical appliance with a switching device
DE102007049571A1 (en) * 2007-10-16 2009-04-23 BSH Bosch und Siemens Hausgeräte GmbH Home appliance control device
DE102009004975B3 (en) * 2009-01-14 2009-12-24 Sick Ag Switching device e.g. optoelectronic sensor, for e.g. solar energy industry, has snapping disk including edge connected with housing, where area of disk is formed as reversible and deformable decoupling area that is conterminous with edge
DE102009036209B4 (en) * 2009-08-05 2012-01-26 Trw Automotive Electronics & Components Gmbh Illuminable push-button group and its use as an illuminated control panel in motor vehicles
DE102010037551A1 (en) 2010-09-15 2012-03-15 Huf Hülsbeck & Fürst Gmbh & Co. Kg switch
JP5717249B2 (en) * 2011-04-22 2015-05-13 アルプス電気株式会社 Movable contact member and switch device using the movable contact member
EP2996129B1 (en) 2014-09-11 2017-07-19 Wincor Nixdorf International GmbH Apparatus for detecting a manipulation of an object
DE102019103268A1 (en) * 2019-02-11 2020-08-13 HAT-tec GmbH Pressure switch device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7901665U1 (en) * 1979-01-22 1981-07-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Keypad having a plurality of pushbutton switches
US4365120A (en) * 1981-04-13 1982-12-21 Kb Denver, Inc. Illuminated keyboard
JPS63254624A (en) * 1987-04-10 1988-10-21 株式会社　石井表記 Manufacture of membrane and panel switch
DE3728166A1 (en) * 1987-08-24 1989-03-30 Ernst Neubert Printed circuit board push-button switch
CH674279A5 (en) * 1987-09-04 1990-05-15 Alex Christen Solder-free snap key switch with helical spring - has doubly-sprung head secured to contact carrier by lateral projections from feet pressed into holes
CH676765A5 (en) * 1988-06-14 1991-02-28 Elma Electronic Ag

Also Published As

Publication number Publication date
EP0538199A2 (en) 1993-04-21
EP0538199A3 (en) 1993-06-30
EP0538199B1 (en) 1997-09-03
DE59208850D1 (en) 1997-10-09
DE4139554A1 (en) 1993-04-15

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