IT1067357B - Tastiera perfezionata - Google Patents
Tastiera perfezionataInfo
- Publication number
- IT1067357B IT1067357B IT25528/76A IT2552876A IT1067357B IT 1067357 B IT1067357 B IT 1067357B IT 25528/76 A IT25528/76 A IT 25528/76A IT 2552876 A IT2552876 A IT 2552876A IT 1067357 B IT1067357 B IT 1067357B
- Authority
- IT
- Italy
- Prior art keywords
- perfected
- keyboard
- perfected keyboard
- Prior art date
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
- H01H13/7013—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 in which the movable contacts of each switch site or of a row of switch sites are formed in a single plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2209/00—Layers
- H01H2209/006—Force isolators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/004—Collapsible dome or bubble
- H01H2215/008—Part of substrate or membrane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/012—Two keys simultaneous considerations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/018—Indication of switch sites
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7525820A FR2321150A1 (fr) | 1975-08-11 | 1975-08-11 | Clavier |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1067357B true IT1067357B (it) | 1985-03-16 |
Family
ID=9159225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25528/76A IT1067357B (it) | 1975-08-11 | 1976-07-21 | Tastiera perfezionata |
Country Status (5)
Country | Link |
---|---|
US (1) | US4059737A (it) |
JP (1) | JPS5222428A (it) |
FR (1) | FR2321150A1 (it) |
GB (1) | GB1495495A (it) |
IT (1) | IT1067357B (it) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES233588Y (es) * | 1978-01-27 | 1978-07-16 | Teclado para telefonos. | |
DE2842622C2 (de) * | 1978-09-29 | 1984-10-25 | Siemens AG, 1000 Berlin und 8000 München | Bedienungspult |
FR2441260A1 (fr) * | 1978-11-10 | 1980-06-06 | Thomson Ericsson Telephones So | Dispositif de contacts pour clavier |
US4192976A (en) * | 1978-12-29 | 1980-03-11 | Gte Automatic Electric Laboratories Incorporated | Pushbutton call transmitter |
JPS562037A (en) * | 1979-06-21 | 1981-01-10 | Anritsu Corp | Multi-item information input unit |
CH651153A5 (de) * | 1980-02-07 | 1985-08-30 | Orbisphere Corp | Tastenfeld und dessen verwendung. |
DE3007239C2 (de) * | 1980-02-27 | 1985-02-07 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Tastatur mit einer Vielzahl von Tastengliedern |
US4314116A (en) * | 1980-06-23 | 1982-02-02 | Rogers Corporation | Keyboard switch with graphic overlay |
US4362910A (en) * | 1980-12-31 | 1982-12-07 | Ark-Les Corporation | Electrical switch |
US4555600A (en) * | 1981-02-23 | 1985-11-26 | Apm Corporation | Vandal-resistant shield for telephone keypad |
FR2511941B1 (fr) * | 1981-09-01 | 1988-02-05 | Telemecanique Electrique | Clavier modulaire, etanche, a effet tactile |
JPS59816A (ja) * | 1982-06-26 | 1984-01-06 | シャープ株式会社 | 薄型キーの製造方法 |
US4612422A (en) * | 1983-04-15 | 1986-09-16 | Amp Incorporated | Single in-line package switch |
US4496802A (en) * | 1983-04-15 | 1985-01-29 | Amp Incorporated | Single in-line package switch |
US4599497A (en) * | 1983-04-15 | 1986-07-08 | Amp Incorporated | Single and dual in-line package switch |
US4551595A (en) * | 1984-07-16 | 1985-11-05 | Tapeswitch Corporation Of America | Tape switch with corrugated wavy conductor |
JPS6099737U (ja) * | 1984-11-09 | 1985-07-08 | 東海通信工業株式会社 | マトリツクススイツチ |
JPS62152395U (it) * | 1986-03-19 | 1987-09-26 | ||
JPS62161791U (it) * | 1986-04-03 | 1987-10-14 | ||
US4937932A (en) * | 1987-04-10 | 1990-07-03 | Ishii Hyoki Co., Ltd. | Membrane panel switch |
JPS63254624A (ja) * | 1987-04-10 | 1988-10-21 | 株式会社 石井表記 | メンブレン、パネルスイツチの製造方法 |
US4814566A (en) * | 1987-10-20 | 1989-03-21 | Sigl Edward D | Push-button keyboard assembly with EMI and RFI-shielded multiple individually-replaceable switch modules |
JPH0768989B2 (ja) * | 1989-10-13 | 1995-07-26 | 三菱電機株式会社 | エレベータの捲上げ装置用ブレーキ装置 |
US4977300A (en) * | 1989-11-21 | 1990-12-11 | Schroeder Alfred A | Dispenser switch |
US5315076A (en) * | 1992-10-13 | 1994-05-24 | General Electric Company | Push button multiple circuit switch assembly with laminated sliders and membrane |
US5408057A (en) * | 1993-07-23 | 1995-04-18 | Robertshaw Controls Company | Multiple electrical switch control device including bracket with severable plungers and method |
US5399821A (en) * | 1993-10-20 | 1995-03-21 | Teikoku Tsushin Kogyo Co., Ltd. | Keytop for push-button switches, and method of manufacturing same |
JP4842074B2 (ja) * | 2006-09-28 | 2011-12-21 | ローランド株式会社 | 鍵盤装置 |
GB2516810A (en) * | 2013-06-06 | 2015-02-11 | Dale Mcphee Purcocks | A method of manufacturing a key plate for an electronic keyboard |
WO2016022145A1 (en) * | 2014-08-08 | 2016-02-11 | Apple Inc. | Keyboard |
EP2983060B1 (en) * | 2014-08-08 | 2018-10-31 | Apple Inc. | Keyboard |
CA2913671A1 (en) | 2015-12-02 | 2017-06-02 | Pat S. Hao | Thin keyswitch, keyboard and keyboard overlay |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS41879A (it) * | 1967-11-02 | |||
US3786205A (en) * | 1972-05-11 | 1974-01-15 | Becton Dickinson Co | Keyboard switch assembly with movable, multi-contact means and associated swinger portions |
US3819882A (en) * | 1973-03-08 | 1974-06-25 | Cherry Electrical Prod | Matrix keyboard assembly |
US3823309A (en) * | 1973-06-21 | 1974-07-09 | J Caruso | Multiple key assembly for calculators and the like |
US3978297A (en) * | 1975-03-31 | 1976-08-31 | Chomerics, Inc. | Keyboard switch assembly with improved pushbutton and associated double snap acting actuator/contactor structure |
-
1975
- 1975-08-11 FR FR7525820A patent/FR2321150A1/fr active Granted
-
1976
- 1976-07-07 GB GB28256/76A patent/GB1495495A/en not_active Expired
- 1976-07-20 JP JP51085688A patent/JPS5222428A/ja active Pending
- 1976-07-21 IT IT25528/76A patent/IT1067357B/it active
- 1976-08-03 US US05/711,323 patent/US4059737A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS5222428A (en) | 1977-02-19 |
GB1495495A (en) | 1977-12-21 |
FR2321150A1 (fr) | 1977-03-11 |
FR2321150B1 (it) | 1978-12-01 |
US4059737A (en) | 1977-11-22 |
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