IT7946893A0 - Dispositivo di commutazione elettrica o elettronica formato da pulsanti o tastiera a t asti tuffanti - Google Patents
Dispositivo di commutazione elettrica o elettronica formato da pulsanti o tastiera a t asti tuffantiInfo
- Publication number
- IT7946893A0 IT7946893A0 IT7946893A IT4689379A IT7946893A0 IT 7946893 A0 IT7946893 A0 IT 7946893A0 IT 7946893 A IT7946893 A IT 7946893A IT 4689379 A IT4689379 A IT 4689379A IT 7946893 A0 IT7946893 A0 IT 7946893A0
- Authority
- IT
- Italy
- Prior art keywords
- dipping
- buttons
- keys
- keyboard
- electrical
- Prior art date
Links
- 238000007598 dipping method Methods 0.000 title 1
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
- H01H13/807—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 spatial arrangement of the contact sites, e.g. superimposed sites
-
- 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
- H01H13/705—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 construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/02—Energy stored by the attraction or repulsion of magnetic parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/02—After travel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/04—Return force magnetic
-
- 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
- H01H2225/00—Switch site location
- H01H2225/01—Different switch sites under one actuator in same plane
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7833734A FR2443129A1 (fr) | 1978-11-29 | 1978-11-29 | Dispositif de commutation electrique ou electronique formant bouton-poussoir ou clavier a touches enfoncables |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7946893A0 true IT7946893A0 (it) | 1979-11-29 |
IT1126132B IT1126132B (it) | 1986-05-14 |
Family
ID=9215510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT46893/79A IT1126132B (it) | 1978-11-29 | 1979-11-29 | Dispositivo di commutazione elettrica o elettronica formato da pulsanti o tastiera a t asti tuffanti |
Country Status (13)
Country | Link |
---|---|
US (1) | US4354081A (it) |
JP (1) | JPS55501038A (it) |
BE (1) | BE880294A (it) |
CH (1) | CH641590A5 (it) |
DK (1) | DK325580A (it) |
ES (1) | ES486459A1 (it) |
FR (1) | FR2443129A1 (it) |
GB (1) | GB2049292B (it) |
IT (1) | IT1126132B (it) |
NL (1) | NL7920143A (it) |
NO (1) | NO793865L (it) |
SE (1) | SE8005395L (it) |
WO (1) | WO1980001219A1 (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2443130A1 (fr) * | 1978-11-29 | 1980-06-27 | Serras Paulet Edouard | Clavier de commande de dispositifs electriques ou electroniques |
GB2064873B (en) * | 1979-11-26 | 1984-09-05 | Eventoff Franklin Neal | Pressure sensitive electric switch |
US4513271A (en) * | 1982-07-16 | 1985-04-23 | Minnesota Mining And Manufacturing Company | Momentary contact magnetic switch |
GB2136633A (en) * | 1983-03-18 | 1984-09-19 | Broderna Danielson | Membrane switch assembly |
DE3414909A1 (de) * | 1984-04-19 | 1985-10-24 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Tastschalter |
EP0309741A1 (de) * | 1987-09-30 | 1989-04-05 | Oerlikon-Contraves AG | Elektrischer Tastenschalter |
JPH01279521A (ja) * | 1988-04-28 | 1989-11-09 | Mitsubishi Electric Corp | 押釦装置 |
US5032695A (en) * | 1990-04-26 | 1991-07-16 | Alps Electric (Usa), Inc. | Membrane switch with movable and fixed flap contacts mounted on a common dielectric substrate |
US5386091A (en) * | 1993-04-08 | 1995-01-31 | Compaq Computer Corporation | Low profile keyswitch |
JP2816822B2 (ja) * | 1994-12-28 | 1998-10-27 | 和泉電気株式会社 | 薄型スイッチおよびスイッチ付表示パネル |
US5990772A (en) * | 1995-06-02 | 1999-11-23 | Duraswitch Industries, Inc. | Pushbutton switch with magnetically coupled armature |
EP0780859B1 (de) * | 1995-12-21 | 2002-04-17 | Alstom Ag | Druckgasschalter mit einer Ausschalt-Bremsanordnung |
JP2007316320A (ja) * | 2006-05-25 | 2007-12-06 | Funai Electric Co Ltd | プロジェクタ |
US11830684B2 (en) * | 2022-04-01 | 2023-11-28 | Microsoft Technology Licensing, Llc | Magnetically preloaded push button |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2547171A (en) * | 1947-10-31 | 1951-04-03 | Essex Wire Corp | Snap switch |
US2847528A (en) * | 1955-02-21 | 1958-08-12 | Donald E Combs | Magnetic switch |
US3366766A (en) * | 1965-01-07 | 1968-01-30 | Berry Indsutries Inc | Snap-action switch for vibrating a resonant reed |
FR1481953A (fr) * | 1965-12-28 | 1967-05-26 | Piste assurant un contact bipolaire sur toute sa surface et contact glissant correspondant | |
DE1665733B1 (de) * | 1966-09-02 | 1970-07-09 | Siemens Ag | Tastenschalter,insbesondere fuer Fernmeldegeraete |
US3586888A (en) * | 1969-10-16 | 1971-06-22 | Sperry Rand Corp | Impact transducer switch |
US3745536A (en) * | 1971-03-01 | 1973-07-10 | Burroughs Corp | High speed serial scan and read-out of keyboards |
US3909564A (en) * | 1974-08-08 | 1975-09-30 | Amp Inc | Keyboard assembly with foldable printed circuit matrix switch array, and key actuator locking slide plate |
US3942145A (en) * | 1974-09-03 | 1976-03-02 | Teletype Corporation | Snap-action switch |
US4054944A (en) * | 1975-01-17 | 1977-10-18 | Redactron Corporation | Finger operated switching device |
-
1978
- 1978-11-29 FR FR7833734A patent/FR2443129A1/fr active Granted
-
1979
- 1979-11-28 GB GB8023256A patent/GB2049292B/en not_active Expired
- 1979-11-28 US US06/261,239 patent/US4354081A/en not_active Expired - Lifetime
- 1979-11-28 NO NO793865A patent/NO793865L/no unknown
- 1979-11-28 JP JP50202879A patent/JPS55501038A/ja active Pending
- 1979-11-28 CH CH597780A patent/CH641590A5/fr not_active IP Right Cessation
- 1979-11-28 BE BE0/198315A patent/BE880294A/fr not_active IP Right Cessation
- 1979-11-28 NL NL7920143A patent/NL7920143A/nl unknown
- 1979-11-28 WO PCT/FR1979/000114 patent/WO1980001219A1/fr unknown
- 1979-11-29 ES ES486459A patent/ES486459A1/es not_active Expired
- 1979-11-29 IT IT46893/79A patent/IT1126132B/it active
-
1980
- 1980-07-25 SE SE8005395A patent/SE8005395L/ not_active Application Discontinuation
- 1980-07-28 DK DK325580A patent/DK325580A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8005395L (sv) | 1980-07-25 |
GB2049292B (en) | 1983-06-15 |
WO1980001219A1 (fr) | 1980-06-12 |
DK325580A (da) | 1980-07-28 |
GB2049292A (en) | 1980-12-17 |
ES486459A1 (es) | 1980-05-16 |
NL7920143A (nl) | 1980-09-30 |
NO793865L (no) | 1980-05-30 |
FR2443129B1 (it) | 1981-12-11 |
JPS55501038A (it) | 1980-11-27 |
US4354081A (en) | 1982-10-12 |
BE880294A (fr) | 1980-03-17 |
FR2443129A1 (fr) | 1980-06-27 |
CH641590A5 (fr) | 1984-02-29 |
IT1126132B (it) | 1986-05-14 |
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