FR2521801B1 - Dispositif a touche capacitive pour clavier a profil bas - Google Patents

Dispositif a touche capacitive pour clavier a profil bas

Info

Publication number
FR2521801B1
FR2521801B1 FR8302390A FR8302390A FR2521801B1 FR 2521801 B1 FR2521801 B1 FR 2521801B1 FR 8302390 A FR8302390 A FR 8302390A FR 8302390 A FR8302390 A FR 8302390A FR 2521801 B1 FR2521801 B1 FR 2521801B1
Authority
FR
France
Prior art keywords
low profile
key device
capacitive key
profile keyboard
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
Application number
FR8302390A
Other languages
English (en)
Other versions
FR2521801A1 (fr
Inventor
Andrew Voge
Daniel R Sparks
Barry W Mullins
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.)
Becton Dickinson and Co
Original Assignee
Becton Dickinson and Co
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 Becton Dickinson and Co filed Critical Becton Dickinson and Co
Publication of FR2521801A1 publication Critical patent/FR2521801A1/fr
Application granted granted Critical
Publication of FR2521801B1 publication Critical patent/FR2521801B1/fr
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
    • H03K17/965—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
FR8302390A 1982-02-16 1983-02-15 Dispositif a touche capacitive pour clavier a profil bas Expired FR2521801B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/349,349 US4408252A (en) 1982-02-16 1982-02-16 Low profile keyboard switch

Publications (2)

Publication Number Publication Date
FR2521801A1 FR2521801A1 (fr) 1983-08-19
FR2521801B1 true FR2521801B1 (fr) 1987-12-31

Family

ID=23372013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8302390A Expired FR2521801B1 (fr) 1982-02-16 1983-02-15 Dispositif a touche capacitive pour clavier a profil bas

Country Status (9)

Country Link
US (1) US4408252A (fr)
JP (1) JPS6022462B2 (fr)
AU (1) AU547900B2 (fr)
CA (1) CA1194182A (fr)
DE (1) DE3301058C2 (fr)
FR (1) FR2521801B1 (fr)
GB (1) GB2116120B (fr)
NZ (1) NZ202395A (fr)
ZA (1) ZA828271B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475142A (en) * 1982-02-16 1984-10-02 Becton Dickinson And Company Low profile keyboard switch
US4412754A (en) * 1982-09-23 1983-11-01 Becton Dickinson And Company Space bar for low profile keyboards
DE8705193U1 (de) * 1987-04-07 1987-05-27 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Taste für eine Werteingabetastatur
JP2990224B2 (ja) * 1991-02-27 1999-12-13 沖電気工業株式会社 押釦スイッチおよびその製造方法
US5386091A (en) * 1993-04-08 1995-01-31 Compaq Computer Corporation Low profile keyswitch
US20030031595A1 (en) * 2001-08-13 2003-02-13 Kirchhevel G. Lamar Blood glucose sensor dispensing instrument having a modular electronics assembly
JP4786509B2 (ja) * 2005-12-20 2011-10-05 東芝テック株式会社 印字装置
WO2017217974A1 (fr) 2016-06-14 2017-12-21 Hewlett-Packard Development Company, L.P. Dessus de touche en retrait
JP7366706B2 (ja) * 2019-11-22 2023-10-23 東プレ株式会社 静電容量式スイッチ

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127262A5 (fr) * 1971-03-02 1972-10-13 Oreor Sa Ets
GB1372349A (en) * 1971-07-09 1974-10-30 Alphameric Holdings Ltd Keyboards for electronic circuits
US3750113A (en) * 1971-11-12 1973-07-31 Becton Dickinson Co Capacitive keyboard
US3778817A (en) * 1972-08-02 1973-12-11 Xerox Corp Output keyboard apparatus and signal translating methods therefor
JPS5329226B2 (fr) * 1973-08-23 1978-08-19
US4090229A (en) * 1976-09-30 1978-05-16 Becton, Dickinson Electronics Company Capacitive key for keyboard
GB1584345A (en) * 1977-05-11 1981-02-11 Alphameric Keyboards Ltd Keyboards
US4307268A (en) * 1978-11-17 1981-12-22 Rogers Corporation Tactile element and keyboard including the tactile element
GB2070864B (en) * 1979-09-10 1983-12-21 Int Standard Electric Corp Keyboard assembly
US4300029A (en) * 1980-01-09 1981-11-10 W. H. Brady Co. Remote membrane switch
DE3007239C2 (de) * 1980-02-27 1985-02-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Tastatur mit einer Vielzahl von Tastengliedern
US4325102A (en) * 1980-10-10 1982-04-13 General Instrument Corporation Variable capacitor for use in a keyboard
US4357646A (en) * 1981-01-21 1982-11-02 Illinois Tool Works Inc. Capacitive keyswitch with overtravel mechanism on moveable plate

Also Published As

Publication number Publication date
GB2116120A (en) 1983-09-21
CA1194182A (fr) 1985-09-24
JPS58142713A (ja) 1983-08-24
AU547900B2 (en) 1985-11-07
JPS6022462B2 (ja) 1985-06-01
US4408252A (en) 1983-10-04
GB8300869D0 (en) 1983-02-16
GB2116120B (en) 1985-08-14
NZ202395A (en) 1984-12-14
FR2521801A1 (fr) 1983-08-19
DE3301058A1 (de) 1983-09-01
AU9147582A (en) 1983-08-25
ZA828271B (en) 1983-09-28
DE3301058C2 (de) 1985-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse