IT1183977B - Membrana capacitiva multistrato per tastiere di macchine per ufficio e apparecchiature per elaborazione di dati - Google Patents

Membrana capacitiva multistrato per tastiere di macchine per ufficio e apparecchiature per elaborazione di dati

Info

Publication number
IT1183977B
IT1183977B IT67994/85A IT6799485A IT1183977B IT 1183977 B IT1183977 B IT 1183977B IT 67994/85 A IT67994/85 A IT 67994/85A IT 6799485 A IT6799485 A IT 6799485A IT 1183977 B IT1183977 B IT 1183977B
Authority
IT
Italy
Prior art keywords
keyboards
data processing
processing equipment
office machines
layer capacitive
Prior art date
Application number
IT67994/85A
Other languages
English (en)
Other versions
IT8567994A0 (it
Inventor
Lino Sella
Giovanni Franchino
Alessandro Matarazzo
Angelo Ronco
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT67994/85A priority Critical patent/IT1183977B/it
Publication of IT8567994A0 publication Critical patent/IT8567994A0/it
Priority to EP86308970A priority patent/EP0225748A2/en
Priority to KR860009899A priority patent/KR870005289A/ko
Priority to JP61281638A priority patent/JPS62177818A/ja
Application granted granted Critical
Publication of IT1183977B publication Critical patent/IT1183977B/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
    • H01H13/702—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
    • 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
    • H01H2203/00—Form of contacts
    • H01H2203/036—Form of contacts to solve particular problems
    • H01H2203/05—Form of contacts to solve particular problems to avoid damage by deformation of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2211/00—Spacers
    • H01H2211/004—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2213/00—Venting
    • H01H2213/01—Venting with internal pressure of other switch sites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/002—Layer thickness
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/002—Layer thickness
    • H01H2227/01—Adhesive
    • 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
    • H01H2229/00—Manufacturing
    • H01H2229/024—Packing between substrate and membrane
    • H01H2229/028—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2229/00—Manufacturing
    • H01H2229/034—Positioning of layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/006—Containing a capacitive switch or usable as such

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)
IT67994/85A 1985-11-27 1985-11-27 Membrana capacitiva multistrato per tastiere di macchine per ufficio e apparecchiature per elaborazione di dati IT1183977B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT67994/85A IT1183977B (it) 1985-11-27 1985-11-27 Membrana capacitiva multistrato per tastiere di macchine per ufficio e apparecchiature per elaborazione di dati
EP86308970A EP0225748A2 (en) 1985-11-27 1986-11-18 Multilayer capacitive keyboard membrane
KR860009899A KR870005289A (ko) 1985-11-27 1986-11-24 카보드용 다층 용량성 멤브레인
JP61281638A JPS62177818A (ja) 1985-11-27 1986-11-26 多層静電容量式膜型鍵盤

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67994/85A IT1183977B (it) 1985-11-27 1985-11-27 Membrana capacitiva multistrato per tastiere di macchine per ufficio e apparecchiature per elaborazione di dati

Publications (2)

Publication Number Publication Date
IT8567994A0 IT8567994A0 (it) 1985-11-27
IT1183977B true IT1183977B (it) 1987-10-22

Family

ID=11307038

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67994/85A IT1183977B (it) 1985-11-27 1985-11-27 Membrana capacitiva multistrato per tastiere di macchine per ufficio e apparecchiature per elaborazione di dati

Country Status (4)

Country Link
EP (1) EP0225748A2 (it)
JP (1) JPS62177818A (it)
KR (1) KR870005289A (it)
IT (1) IT1183977B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01180190U (it) * 1988-06-03 1989-12-25
JPH0257294U (it) * 1988-10-19 1990-04-25
US4876461A (en) * 1989-02-23 1989-10-24 W. H. Brady Co. Self-referencing capacitive key cell structure and switchcore matrices formed therefrom
DE102004002825A1 (de) 2004-01-12 2005-08-04 E.G.O. Elektro-Gerätebau GmbH Bedieneinrichtung mit einem kapazitiven Sensorelement und Elektrogerät mit einer solchen Bedieneinrichtung
DE102004005952A1 (de) 2004-02-02 2005-08-25 E.G.O. Elektro-Gerätebau GmbH Bedieneinrichtung für ein Elektrogerät mit einem Bedien-Feld und einem Sensorelement darunter sowie Verfahren zum Betrieb der Bedieneinrichtung
TWI352924B (en) * 2008-02-21 2011-11-21 Wintek Corp Touch panel and driving method of touch panel
US7990160B2 (en) * 2009-05-22 2011-08-02 Synaptics Incorporated Capacitive sensing with combinatorial sensor layout
DE102011075942A1 (de) * 2011-05-16 2013-05-16 E.G.O. Elektro-Gerätebau GmbH Bedieneinrichtung für ein Elektrogerät und Elektrogerät
US9219478B2 (en) * 2013-05-15 2015-12-22 Hui-Hu Liang Circuit switch for keyboard
CN113346890B (zh) * 2021-07-08 2023-08-08 维沃移动通信有限公司 压感按键和电子设备

Also Published As

Publication number Publication date
IT8567994A0 (it) 1985-11-27
EP0225748A2 (en) 1987-06-16
KR870005289A (ko) 1987-06-05
JPS62177818A (ja) 1987-08-04

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