IT1086462B - Chiave capacitivita - Google Patents

Chiave capacitivita

Info

Publication number
IT1086462B
IT1086462B IT27269/77A IT2726977A IT1086462B IT 1086462 B IT1086462 B IT 1086462B IT 27269/77 A IT27269/77 A IT 27269/77A IT 2726977 A IT2726977 A IT 2726977A IT 1086462 B IT1086462 B IT 1086462B
Authority
IT
Italy
Prior art keywords
key capacity
key
capacity
Prior art date
Application number
IT27269/77A
Other languages
English (en)
Original Assignee
Becton Dickinson 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 Co filed Critical Becton Dickinson Co
Application granted granted Critical
Publication of IT1086462B publication Critical patent/IT1086462B/it

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12361—All metal or with adjacent metals having aperture or cut
    • Y10T428/12368—Struck-out portion type
IT27269/77A 1976-09-30 1977-09-06 Chiave capacitivita IT1086462B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/728,070 US4090229A (en) 1976-09-30 1976-09-30 Capacitive key for keyboard

Publications (1)

Publication Number Publication Date
IT1086462B true IT1086462B (it) 1985-05-28

Family

ID=24925293

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27269/77A IT1086462B (it) 1976-09-30 1977-09-06 Chiave capacitivita

Country Status (7)

Country Link
US (1) US4090229A (it)
CA (1) CA1090900A (it)
DE (1) DE2744206C2 (it)
FR (1) FR2366620A1 (it)
GB (1) GB1579966A (it)
IT (1) IT1086462B (it)
NL (1) NL174691C (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325102A (en) * 1980-10-10 1982-04-13 General Instrument Corporation Variable capacitor for use in a keyboard
US4352144A (en) * 1981-01-21 1982-09-28 Illinois Tool Works Inc. Capacitive keyswitch with overtravel plunger mechanism
US4357646A (en) * 1981-01-21 1982-11-02 Illinois Tool Works Inc. Capacitive keyswitch with overtravel mechanism on moveable plate
FR2500714B1 (fr) * 1981-02-25 1985-08-23 Illinois Tool Works Clavier a commutateurs capacitifs a touches
EP0072784A3 (en) * 1981-08-19 1983-10-19 General Instrument Corporation Circuit board for use in capacitive keyboard
DE3143995A1 (de) * 1981-11-05 1983-05-19 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Dickschichtkondensator in druckschaltungstechnik
US4475142A (en) * 1982-02-16 1984-10-02 Becton Dickinson And Company Low profile keyboard switch
US4408252A (en) * 1982-02-16 1983-10-04 Becton Dickinson And Company Low profile keyboard switch
US4453198A (en) * 1982-09-15 1984-06-05 General Instrument Corporation Linear feel keyswitch with hysteresis
US4454562A (en) * 1982-09-15 1984-06-12 General Instrument Corporation Keyswitch with telescoping plunger
US4412754A (en) * 1982-09-23 1983-11-01 Becton Dickinson And Company Space bar for low profile keyboards
DE3709305A1 (de) * 1987-03-21 1988-09-29 Mueller Rolf K Dr Druckschalter, insbesondere als taste einer tastatur
FR2742575B1 (fr) * 1995-12-19 1998-01-09 Europ Equip Menager Dispositif a touche sensitive
DE10345502A1 (de) * 2003-09-30 2005-06-02 Siemens Ag Antrieb für ein Schaltgerät
JP2009515308A (ja) * 2005-11-11 2009-04-09 リナック エー／エス 特に電気的に調整可能な病院用および介護用ベッドのための電気ハンドコントローラ
DE102006035837A1 (de) 2006-08-01 2008-02-07 Siemens Ag Bedienelement
KR20110102696A (ko) * 2010-03-11 2011-09-19 삼성전자주식회사 레버 버튼 및 이를 구비하는 전자 기기
US8212162B2 (en) 2010-03-15 2012-07-03 Apple Inc. Keys with double-diving-board spring mechanisms
US8526161B2 (en) * 2010-04-19 2013-09-03 Apple Inc. Button structures for electronic devices
US8667851B2 (en) * 2011-06-29 2014-03-11 Touchsensor Technologies, Llc Touch sensor mechanical interface
DE102011121897A1 (de) 2011-12-22 2013-06-27 Diehl Ako Stiftung & Co. Kg Kapazitiver Berührungsschalter
JP2014026807A (ja) * 2012-07-26 2014-02-06 Alps Electric Co Ltd キー入力装置
CN104571766B (zh) * 2015-01-19 2019-11-19 深圳市力驰创新科技有限公司 输入装置的输入操作方法
WO2016115946A1 (zh) * 2015-01-19 2016-07-28 黄俭安 输入装置及其输入操作方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB464235A (en) * 1936-05-20 1937-04-14 Sydney Sam Bird Improvements in or connected with trimmers or condensers for radio receivers and apparatus
GB533370A (en) * 1939-08-11 1941-02-12 Kolster Brandes Ltd Improvements in or relating to adjustable electric condensers
FR1008581A (fr) * 1948-04-29 1952-05-19 Condensateurs à forte variation de capacité et leurs applications
NL83239C (it) * 1950-09-16
US3196233A (en) * 1962-08-28 1965-07-20 Lyndon W Burch W blade thermostat with free-ended moment arm
GB1223099A (en) * 1969-07-29 1971-02-24 Zd Elektroizmeritelnykh Pribor Improvements in and relating to electrical switches
US3750113A (en) * 1971-11-12 1973-07-31 Becton Dickinson Co Capacitive keyboard
US3800104A (en) * 1972-11-13 1974-03-26 Becton Dickinson Co Low profile keyboard switch assembly with snap action cantilever contact
US3852870A (en) * 1973-03-14 1974-12-10 S Elliott Method of producing articles from sheet-like material
US4034234A (en) * 1975-01-10 1977-07-05 Texas Instruments Incorporated Switching module for solid-state keyboard

Also Published As

Publication number Publication date
NL174691C (nl) 1984-07-16
FR2366620A1 (fr) 1978-04-28
CA1090900A (en) 1980-12-02
NL174691B (nl) 1984-02-16
FR2366620B1 (it) 1984-03-02
DE2744206A1 (de) 1978-04-06
GB1579966A (en) 1980-11-26
NL7710289A (nl) 1978-04-03
US4090229A (en) 1978-05-16
DE2744206C2 (de) 1983-12-29

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