DE2351446A1 - Tastatur mit kapazitiver abfuehlung - Google Patents

Tastatur mit kapazitiver abfuehlung

Info

Publication number
DE2351446A1
DE2351446A1 DE19732351446 DE2351446A DE2351446A1 DE 2351446 A1 DE2351446 A1 DE 2351446A1 DE 19732351446 DE19732351446 DE 19732351446 DE 2351446 A DE2351446 A DE 2351446A DE 2351446 A1 DE2351446 A1 DE 2351446A1
Authority
DE
Germany
Prior art keywords
electrode
electrodes
layer
pressed
key
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE19732351446
Other languages
German (de)
English (en)
Inventor
Bruno Visentin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olivetti SpA
Original Assignee
Olivetti 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 SpA filed Critical Olivetti SpA
Publication of DE2351446A1 publication Critical patent/DE2351446A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes

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)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
DE19732351446 1972-10-18 1973-10-10 Tastatur mit kapazitiver abfuehlung Pending DE2351446A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT70268/72A IT975280B (it) 1972-10-18 1972-10-18 Tastiera capacitiva

Publications (1)

Publication Number Publication Date
DE2351446A1 true DE2351446A1 (de) 1974-05-02

Family

ID=11313704

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732351446 Pending DE2351446A1 (de) 1972-10-18 1973-10-10 Tastatur mit kapazitiver abfuehlung

Country Status (5)

Country Link
JP (1) JPS4975024A (enrdf_load_stackoverflow)
BR (1) BR7308124D0 (enrdf_load_stackoverflow)
DE (1) DE2351446A1 (enrdf_load_stackoverflow)
FR (1) FR2204315A5 (enrdf_load_stackoverflow)
IT (1) IT975280B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5186931U (enrdf_load_stackoverflow) * 1974-12-30 1976-07-12
US4405917A (en) * 1981-04-28 1983-09-20 Honeywell Inc. Matrix screening and grounding arrangement and method
DE3642780A1 (de) * 1986-05-05 1987-11-12 Siemens Ag Detektormatte und verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
IT975280B (it) 1974-07-20
BR7308124D0 (pt) 1974-07-11
FR2204315A5 (enrdf_load_stackoverflow) 1974-05-17
JPS4975024A (enrdf_load_stackoverflow) 1974-07-19

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