IT1067357B - Tastiera perfezionata - Google Patents

Tastiera perfezionata

Info

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
Application number
IT25528/76A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1067357B publication Critical patent/IT1067357B/it

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
IT25528/76A 1975-08-11 1976-07-21 Tastiera perfezionata IT1067357B (it)

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)

* Cited by examiner, † Cited by third party
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
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
US4612422A (en) * 1983-04-15 1986-09-16 Amp Incorporated Single 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
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
US4937932A (en) * 1987-04-10 1990-07-03 Ishii Hyoki Co., Ltd. Membrane panel switch
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
EP2983060B1 (en) * 2014-08-08 2018-10-31 Apple Inc. Keyboard
KR20170001079U (ko) * 2014-08-08 2017-03-22 애플 인크. 키보드
CA2913671A1 (en) 2015-12-02 2017-06-02 Pat S. Hao Thin keyswitch, keyboard and keyboard overlay

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS5222428A (en) 1977-02-19
GB1495495A (en) 1977-12-21
FR2321150A1 (fr) 1977-03-11
US4059737A (en) 1977-11-22
FR2321150B1 (it) 1978-12-01

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