DE3271194D1 - Touch sensing device - Google Patents

Touch sensing device

Info

Publication number
DE3271194D1
DE3271194D1 DE8282305758T DE3271194T DE3271194D1 DE 3271194 D1 DE3271194 D1 DE 3271194D1 DE 8282305758 T DE8282305758 T DE 8282305758T DE 3271194 T DE3271194 T DE 3271194T DE 3271194 D1 DE3271194 D1 DE 3271194D1
Authority
DE
Germany
Prior art keywords
sensing device
touch sensing
touch
sensing
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
Application number
DE8282305758T
Other languages
English (en)
Inventor
Hisashi C O Fujitsu Yamaguchi
Toru C O Fujitsu Limited Asano
Kazuhiro C O Fujitsu Takahara
Keizo C O Fujitsu Li Kurahashi
Shizuo C O Fujitsu Limit Andoh
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Priority claimed from JP56174029A external-priority patent/JPS5875328A/ja
Priority claimed from JP3023582A external-priority patent/JPS58146132A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE3271194D1 publication Critical patent/DE3271194D1/de
Expired 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
    • H03K17/962—Capacitive touch switches
    • 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
    • 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
    • H03K2017/9613—Touch switches characterised by the type or shape of the sensing electrodes characterised by the number of electrodes using two electrodes per touch switch
DE8282305758T 1981-10-29 1982-10-29 Touch sensing device Expired DE3271194D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56174029A JPS5875328A (ja) 1981-10-29 1981-10-29 タツチ検出装置
JP3023582A JPS58146132A (ja) 1982-02-25 1982-02-25 タツチ検出装置

Publications (1)

Publication Number Publication Date
DE3271194D1 true DE3271194D1 (en) 1986-06-19

Family

ID=26368545

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282305758T Expired DE3271194D1 (en) 1981-10-29 1982-10-29 Touch sensing device

Country Status (3)

Country Link
US (1) US4550310A (de)
EP (1) EP0078676B1 (de)
DE (1) DE3271194D1 (de)

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Also Published As

Publication number Publication date
US4550310A (en) 1985-10-29
EP0078676A1 (de) 1983-05-11
EP0078676B1 (de) 1986-05-14

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Legal Events

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8339 Ceased/non-payment of the annual fee