FR2577365B2 - Procede pour scruter un clavier a touches capacitives et un clavier ass - Google Patents

Procede pour scruter un clavier a touches capacitives et un clavier ass

Info

Publication number
FR2577365B2
FR2577365B2 FR8502021A FR8502021A FR2577365B2 FR 2577365 B2 FR2577365 B2 FR 2577365B2 FR 8502021 A FR8502021 A FR 8502021A FR 8502021 A FR8502021 A FR 8502021A FR 2577365 B2 FR2577365 B2 FR 2577365B2
Authority
FR
France
Prior art keywords
keyboard
scruting
assked
capacitive
capacitive keyboard
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.)
Expired - Lifetime
Application number
FR8502021A
Other languages
English (en)
Other versions
FR2577365A2 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE8585901013T priority Critical patent/DE3584092D1/de
Priority to EP19850901013 priority patent/EP0203923B1/fr
Priority to FR8502021A priority patent/FR2577365B2/fr
Priority to PCT/FR1985/000024 priority patent/WO1985003820A1/fr
Publication of FR2577365A2 publication Critical patent/FR2577365A2/fr
Application granted granted Critical
Publication of FR2577365B2 publication Critical patent/FR2577365B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • H03K17/9622—Capacitive touch switches using a plurality of detectors, e.g. keyboard
    • 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
    • H03K17/96—Touch switches
    • H03K2017/9602—Touch switches characterised by the type or shape of the sensing electrodes
    • H03K2017/9604—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes
    • H03K2017/9606—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes using one electrode only per touch switch
FR8502021A 1984-02-16 1985-02-11 Procede pour scruter un clavier a touches capacitives et un clavier ass Expired - Lifetime FR2577365B2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE8585901013T DE3584092D1 (de) 1984-02-16 1985-02-11 Verfahren zum abfragen einer kapazitiven tastatur und tastatur mit abfragmitteln gemaess diesem verfahren.
EP19850901013 EP0203923B1 (fr) 1984-02-16 1985-02-11 Procede pour scruter un clavier a touches capacitives et un clavier assorti de moyens pour scruter un clavier selon ce procede
FR8502021A FR2577365B2 (fr) 1985-02-11 1985-02-11 Procede pour scruter un clavier a touches capacitives et un clavier ass
PCT/FR1985/000024 WO1985003820A1 (fr) 1984-02-16 1985-02-11 Procede pour scruter un clavier a touches capacitives et un clavier assorti de moyens pour scruter un clavier selon ce procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8502021A FR2577365B2 (fr) 1985-02-11 1985-02-11 Procede pour scruter un clavier a touches capacitives et un clavier ass

Publications (2)

Publication Number Publication Date
FR2577365A2 FR2577365A2 (fr) 1986-08-14
FR2577365B2 true FR2577365B2 (fr) 1994-08-26

Family

ID=9316217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8502021A Expired - Lifetime FR2577365B2 (fr) 1984-02-16 1985-02-11 Procede pour scruter un clavier a touches capacitives et un clavier ass

Country Status (1)

Country Link
FR (1) FR2577365B2 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696409A (en) * 1970-12-28 1972-10-03 Linquist & Vennum Finger-touch faceplate
FR2271538A1 (en) * 1973-12-27 1975-12-12 Cii Capacitive proximity detector or switch - detects effective capacitance of object and activates logic circuit
US4145748A (en) * 1977-12-23 1979-03-20 General Electric Company Self-optimizing touch pad sensor circuit
US4263659A (en) * 1978-03-27 1981-04-21 Canon Kabushiki Kaisha Electronic instrument with a flexible keyboard
US4305135A (en) * 1979-07-30 1981-12-08 International Business Machines Corp. Program controlled capacitive keyboard variable threshold sensing system
DE3025841C2 (de) * 1980-07-08 1989-04-06 Helmut Dipl.-Chem. 8000 München Ulrich Detektorschaltung mit kapazitivem Fühlerelement
GB2080536A (en) * 1980-07-10 1982-02-03 Faff Peter Touch Switch Device
US4374381A (en) * 1980-07-18 1983-02-15 Interaction Systems, Inc. Touch terminal with reliable pad selection
GB2090979B (en) * 1981-01-14 1985-07-03 Glaverbel Proximity control switching panels
FR2517903B1 (fr) * 1981-12-09 1986-01-17 Elbeuf Electro Indle Recepteur de radiophonie a dispositif de commande entierement electronique
GB2119931B (en) * 1982-05-07 1986-04-30 Graham Michael Stephens Proximity detection devices

Also Published As

Publication number Publication date
FR2577365A2 (fr) 1986-08-14

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