IT1032498B - Dispositivo interruttore in particolare per calcolatrici - Google Patents
Dispositivo interruttore in particolare per calcolatriciInfo
- Publication number
- IT1032498B IT1032498B IT48838/75A IT4883875A IT1032498B IT 1032498 B IT1032498 B IT 1032498B IT 48838/75 A IT48838/75 A IT 48838/75A IT 4883875 A IT4883875 A IT 4883875A IT 1032498 B IT1032498 B IT 1032498B
- Authority
- IT
- Italy
- Prior art keywords
- calculators
- switch device
- switch
- Prior art date
Links
Classifications
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/004—Wiping action
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/002—Legends replaceable; adaptable
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/018—Printed contacts; Metal foil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/028—Key stroke
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- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45686574A | 1974-04-01 | 1974-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1032498B true IT1032498B (it) | 1979-05-30 |
Family
ID=23814446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48838/75A IT1032498B (it) | 1974-04-01 | 1975-03-28 | Dispositivo interruttore in particolare per calcolatrici |
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)
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, 47574 Goch | Klimaschaltereinheit |
EP0917409B1 (en) | 1997-11-17 | 2005-03-16 | Molex Incorporated | Electroluminescent lamp and method of fabrication |
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 |
-
1975
- 1975-02-20 CA CA220,504A patent/CA1019248A/en not_active Expired
- 1975-03-05 GB GB9223/75A patent/GB1501125A/en not_active Expired
- 1975-03-12 FR FR7507754A patent/FR2266282B1/fr not_active Expired
- 1975-03-12 BE BE154259A patent/BE826592A/xx unknown
- 1975-03-20 DE DE19752512228 patent/DE2512228A1/de active Pending
- 1975-03-20 NO NO750962A patent/NO750962L/no unknown
- 1975-03-28 IT IT48838/75A patent/IT1032498B/it active
- 1975-04-01 NL NL7503861A patent/NL7503861A/nl not_active Application Discontinuation
- 1975-04-01 JP JP50038644A patent/JPS50135570A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1019248A (en) | 1977-10-18 |
NL7503861A (nl) | 1975-10-03 |
DE2512228A1 (de) | 1975-10-02 |
JPS50135570A (nl) | 1975-10-27 |
GB1501125A (en) | 1978-02-15 |
NO750962L (nl) | 1975-10-02 |
FR2266282B1 (nl) | 1978-10-27 |
FR2266282A1 (nl) | 1975-10-24 |
BE826592A (fr) | 1975-09-12 |
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