CA1019248A - Elastomeric diaphragm switch assembly - Google Patents

Elastomeric diaphragm switch assembly

Info

Publication number
CA1019248A
CA1019248A CA220,504A CA220504A CA1019248A CA 1019248 A CA1019248 A CA 1019248A CA 220504 A CA220504 A CA 220504A CA 1019248 A CA1019248 A CA 1019248A
Authority
CA
Canada
Prior art keywords
switch assembly
elastomeric diaphragm
diaphragm switch
elastomeric
assembly
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
CA220,504A
Other languages
English (en)
French (fr)
Other versions
CA220504S (en
Inventor
Mohabatullah Sobhani
Charles F. Prewitt
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.)
Litton Industries Inc
Original Assignee
Litton Industries Inc
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 Litton Industries Inc filed Critical Litton Industries Inc
Application granted granted Critical
Publication of CA1019248A publication Critical patent/CA1019248A/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
    • H01H13/78—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 the contacts or the contact sites
    • H01H13/785—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 the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
    • 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
    • H01H13/78—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 the contacts or the contact sites
    • H01H13/80—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 the contacts or the contact sites characterised by the manner of cooperation of the contacts, e.g. with both contacts movable or with bounceless contacts
    • 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
    • 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
    • H01H13/703—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 characterised by spacers between contact carrying layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/004—Wiping action
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/026—Material non precious
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/024—Convex contact surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/054—Form of contacts to solve particular problems for redundancy, e.g. several contact pairs in parallel
    • 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
    • H01H2209/00—Layers
    • H01H2209/024—Properties of the substrate
    • H01H2209/038—Properties of the substrate transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/046—Properties of the spacer
    • H01H2209/06—Properties of the spacer transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/082—Properties of the membrane transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/026—Spacers without separate element
    • H01H2211/028—Contacts in depressions of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/004—Collapsible dome or bubble
    • H01H2215/006—Only mechanical function
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/01—Off centre actuation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/018—Electroluminescent panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/044—Edge lighting of layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/034—Bezel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/006—Switch site location more then one pole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/018—Printed contacts; Metal foil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/028—Key stroke
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/008—Die stamping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/016—Selective etching
CA220,504A 1974-04-01 1975-02-20 Elastomeric diaphragm switch assembly Expired CA1019248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45686574A 1974-04-01 1974-04-01

Publications (1)

Publication Number Publication Date
CA1019248A true CA1019248A (en) 1977-10-18

Family

ID=23814446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220,504A Expired CA1019248A (en) 1974-04-01 1975-02-20 Elastomeric diaphragm switch assembly

Country Status (9)

Country Link
JP (1) JPS50135570A (nl)
BE (1) BE826592A (nl)
CA (1) CA1019248A (nl)
DE (1) DE2512228A1 (nl)
FR (1) FR2266282B1 (nl)
GB (1) GB1501125A (nl)
IT (1) IT1032498B (nl)
NL (1) NL7503861A (nl)
NO (1) NO750962L (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060703A (en) * 1976-11-10 1977-11-29 Everett Jr Seth Leroy Keyboard switch assembly with tactile feedback having illuminated laminated layers including opaque or transparent conductive layer
JPS58808B2 (ja) * 1977-08-19 1983-01-08 日本電信電話株式会社 キ−ボ−ドスイツチ
DE2902769C2 (de) * 1979-01-25 1982-12-09 Rudolf Schadow Gmbh, 1000 Berlin Drucktastenschalter
FR2447599A1 (fr) * 1979-01-26 1980-08-22 Orega Cifte Clavier a touches microcourses lumineuses, et boitier de commande equipe d'un tel clavier
CA1108790A (en) * 1979-02-02 1981-09-08 Northern Telecom Limited Integral telephone set and handset
FR2453487A1 (fr) * 1979-04-03 1980-10-31 Orega Electro Mecanique Clavier a touches et a temoins lumineux, notamment pour boitier de commande
FR2460444A1 (fr) * 1979-07-04 1981-01-23 Jaeger Dispositif d'eclairage des claviers a touches
JPH0229645Y2 (nl) * 1979-07-19 1990-08-09
US4288672A (en) * 1979-12-26 1981-09-08 Texas Instruments Incorporated Illuminated keyboard apparatus
US4323740A (en) * 1980-02-04 1982-04-06 Rogers Corporation Keyboard actuator device and keyboard incorporating the device
DE3025024C2 (de) * 1980-07-02 1982-04-29 Schoeller & Co Elektrotechnische Fabrik Gmbh & Co, 6000 Frankfurt Folienschalter
DE3133779A1 (de) * 1981-08-26 1983-03-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "folientastenschalter"
DE3511496A1 (de) * 1985-03-29 1986-10-09 Telefunken electronic GmbH, 7100 Heilbronn Tastschalteinrichtung mit einer durchsichtigen abdeckfolie
JPS63132323A (ja) * 1986-08-27 1988-06-04 テキサス　インスツルメンツ　インコ−ポレイテツド データエントリー装置
GB8800369D0 (en) * 1988-01-08 1988-02-10 Marconi Electronic Devices Push-button keypads
CA2066930C (en) * 1991-06-04 1996-08-06 Gary M. Sach Tactile feedback switch actuator
DE4212562A1 (de) * 1992-04-15 1993-10-21 Buch Elektronik Gmbh Folientastatur
DE69407013T2 (de) * 1993-09-17 1998-03-26 Ford Motor Co Bedienfeldbeleuchtung
DE9412474U1 (de) * 1994-08-03 1994-12-08 Autoair Klimaanlagen Gmbh Klimaschaltereinheit
DE69732776T2 (de) 1997-11-17 2006-04-06 Molex Inc., Lisle Elektrolumineszierende Lampe und Verfahren zur Herstellung
US6040534A (en) * 1998-10-13 2000-03-21 Prince Corporation Integrally molded switch lighting and electronics
DE10001796C2 (de) * 2000-01-18 2002-01-24 Kostal Leopold Gmbh & Co Kg Mehrlagig aufgebaute Schaltungsstruktur
JP5310325B2 (ja) * 2009-07-07 2013-10-09 沖電気工業株式会社 キーボード構造

Also Published As

Publication number Publication date
NL7503861A (nl) 1975-10-03
NO750962L (nl) 1975-10-02
FR2266282B1 (nl) 1978-10-27
GB1501125A (en) 1978-02-15
DE2512228A1 (de) 1975-10-02
FR2266282A1 (nl) 1975-10-24
JPS50135570A (nl) 1975-10-27
IT1032498B (it) 1979-05-30
BE826592A (fr) 1975-09-12

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