DE69503160T2 - Steuerschaltung mit einer berührungsempfindlichen Taste und Tastatur mit berührungsempfindlichen Tasten - Google Patents

Steuerschaltung mit einer berührungsempfindlichen Taste und Tastatur mit berührungsempfindlichen Tasten

Info

Publication number
DE69503160T2
DE69503160T2 DE69503160T DE69503160T DE69503160T2 DE 69503160 T2 DE69503160 T2 DE 69503160T2 DE 69503160 T DE69503160 T DE 69503160T DE 69503160 T DE69503160 T DE 69503160T DE 69503160 T2 DE69503160 T2 DE 69503160T2
Authority
DE
Germany
Prior art keywords
touch
sensitive
keyboard
control circuit
keys
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 - Fee Related
Application number
DE69503160T
Other languages
English (en)
Other versions
DE69503160D1 (de
Inventor
Didier Gouardo
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.)
Brandt Industries SAS
Original Assignee
EUROPEENNE POUR L'EQUIPEMENT MENAGER "CEPEM" ST JEAN-DE-LA-RUELLE FR Cie
Compagnie Europeenne pour lEquipement Menager SA
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 EUROPEENNE POUR L'EQUIPEMENT MENAGER "CEPEM" ST JEAN-DE-LA-RUELLE FR Cie, Compagnie Europeenne pour lEquipement Menager SA filed Critical EUROPEENNE POUR L'EQUIPEMENT MENAGER "CEPEM" ST JEAN-DE-LA-RUELLE FR Cie
Publication of DE69503160D1 publication Critical patent/DE69503160D1/de
Application granted granted Critical
Publication of DE69503160T2 publication Critical patent/DE69503160T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/96071—Capacitive touch switches characterised by the detection principle
    • H03K2217/96072—Phase comparison, i.e. where a phase comparator receives at one input the signal directly from the oscillator, at a second input the same signal but delayed, with a delay depending on a sensing capacitance
DE69503160T 1994-02-18 1995-02-14 Steuerschaltung mit einer berührungsempfindlichen Taste und Tastatur mit berührungsempfindlichen Tasten Expired - Fee Related DE69503160T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9401864A FR2716585B1 (fr) 1994-02-18 1994-02-18 Dispositif de commande à touche sensitive et clavier de commande à touches sensitives.

Publications (2)

Publication Number Publication Date
DE69503160D1 DE69503160D1 (de) 1998-08-06
DE69503160T2 true DE69503160T2 (de) 1998-10-22

Family

ID=9460220

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69503160T Expired - Fee Related DE69503160T2 (de) 1994-02-18 1995-02-14 Steuerschaltung mit einer berührungsempfindlichen Taste und Tastatur mit berührungsempfindlichen Tasten

Country Status (4)

Country Link
EP (1) EP0668657B1 (de)
DE (1) DE69503160T2 (de)
ES (1) ES2118509T3 (de)
FR (1) FR2716585B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2758423B1 (fr) * 1997-01-16 2000-01-28 Europ Equip Menager Dispositif de commande a touches sensitives
KR100366503B1 (ko) * 2000-06-13 2003-01-09 주식회사 엘지이아이 글래스 터치 감지회로
DE10121008B4 (de) * 2001-04-28 2004-04-01 Rawe Electronic Gmbh Kapazitive Tastatur mit Auswerteschaltung
JP4082402B2 (ja) 2004-10-19 2008-04-30 松下電器産業株式会社 タッチキーを用いた電磁調理器
US8174503B2 (en) 2008-05-17 2012-05-08 David H. Cain Touch-based authentication of a mobile device through user generated pattern creation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305135A (en) * 1979-07-30 1981-12-08 International Business Machines Corp. Program controlled capacitive keyboard variable threshold sensing system
US4529967A (en) * 1982-07-15 1985-07-16 Gifft Thomas H Non contacting inductive keyboard
FR2661575B1 (fr) * 1990-04-25 1996-03-08 Digi France Dispositif de touche sensitive et clavier mettant en óoeuvre un tel dispositif.

Also Published As

Publication number Publication date
ES2118509T3 (es) 1998-09-16
FR2716585B1 (fr) 1996-03-22
FR2716585A1 (fr) 1995-08-25
DE69503160D1 (de) 1998-08-06
EP0668657B1 (de) 1998-07-01
EP0668657A1 (de) 1995-08-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BRANDT INDUSTRIES, RUEIL MALMAISON, FR

8339 Ceased/non-payment of the annual fee