[go: up one dir, main page]

BR8602337A - Comutador de teclado eletrico sem contacto e processo de fabricar um composito para emprego no mesmo - Google Patents

Comutador de teclado eletrico sem contacto e processo de fabricar um composito para emprego no mesmo

Info

Publication number
BR8602337A
BR8602337A BR8602337A BR8602337A BR8602337A BR 8602337 A BR8602337 A BR 8602337A BR 8602337 A BR8602337 A BR 8602337A BR 8602337 A BR8602337 A BR 8602337A BR 8602337 A BR8602337 A BR 8602337A
Authority
BR
Brazil
Prior art keywords
employment
composite
manufacturing
contact
same
Prior art date
Application number
BR8602337A
Other languages
English (en)
Inventor
Peter Francis Radice
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of BR8602337A publication Critical patent/BR8602337A/pt

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
    • H03K17/964—Piezoelectric touch switches
    • H03K17/9643—Piezoelectric touch switches using a plurality of detectors, e.g. keyboard
BR8602337A 1985-05-29 1986-05-22 Comutador de teclado eletrico sem contacto e processo de fabricar um composito para emprego no mesmo BR8602337A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/738,710 US4633123A (en) 1985-05-29 1985-05-29 Piezoelectric polymer keyboard apparatus

Publications (1)

Publication Number Publication Date
BR8602337A true BR8602337A (pt) 1987-01-21

Family

ID=24969161

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8602337A BR8602337A (pt) 1985-05-29 1986-05-22 Comutador de teclado eletrico sem contacto e processo de fabricar um composito para emprego no mesmo

Country Status (5)

Country Link
US (1) US4633123A (pt)
EP (1) EP0203261A3 (pt)
JP (1) JPS61273817A (pt)
AU (1) AU5326686A (pt)
BR (1) BR8602337A (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4975616A (en) * 1988-08-18 1990-12-04 Atochem North America, Inc. Piezoelectric transducer array
US5237855A (en) * 1988-08-22 1993-08-24 Expertek, Inc. Apparatus for leak testing a fluid containing chamber
US5263361A (en) * 1988-08-22 1993-11-23 Gates Donald C Apparatus for leak testing a fluid containing chamber utilizing a laser beam
EP0383512A1 (en) * 1989-02-15 1990-08-22 Michael John Flowerday Touch switch and/or electrical indicator devices
US5054311A (en) * 1989-12-11 1991-10-08 Expertek, Inc. Fully automated leak testing apparatus
US5160870A (en) * 1990-06-25 1992-11-03 Carson Paul L Ultrasonic image sensing array and method
US5072076A (en) * 1991-01-14 1991-12-10 International Business Machines Corporation Tablet digitizer with untethered stylus
DE69304443T2 (de) * 1992-06-24 1997-04-03 Algra Holding Ag Verfahren zur Herstellung einer piezoelektrischen drucksensitiven Taste oder Tastatur und durch dieses Verfahren erhaltenes Produkt
US5760530A (en) * 1992-12-22 1998-06-02 The United States Of America As Represented By The Secretary Of The Air Force Piezoelectric tactile sensor
US5635812A (en) * 1994-09-29 1997-06-03 Motorola, Inc. Thermal sensing polymeric capacitor
FI97577C (fi) * 1994-12-28 1997-01-10 Screentec Ky Näppäimistö
CN100342422C (zh) * 2000-05-24 2007-10-10 英默森公司 使用电活性聚合物的触觉装置
US7336266B2 (en) 2003-02-20 2008-02-26 Immersion Corproation Haptic pads for use with user-interface devices
US7304416B2 (en) 2003-02-21 2007-12-04 Jeffrey D Mullen Maximizing power generation in and distributing force amongst piezoelectric generators
US20050271442A1 (en) * 2004-06-02 2005-12-08 Inventec Appliances Corporation High voltage resisting keyboard
US7301351B2 (en) * 2006-02-10 2007-11-27 Milliken & Company Printed capacitive sensor
JP2007299700A (ja) * 2006-05-02 2007-11-15 Shimada Fukushi Yoguken:Kk 口腔内スイッチ及びその製造方法
PT103791B (pt) 2007-07-17 2010-04-01 Univ Do Minho Teclado baseado em polímero, co-polímero ou compósito com propriedades piezo- e/ou piroeléctricas e respectivas utilizações
DE102008013006B4 (de) * 2008-03-07 2018-06-07 BSH Hausgeräte GmbH Verfahren zum Betreiben einer berührsensitiven Bedieneinrichtung eines Hausgeräts
KR101118590B1 (ko) * 2008-12-15 2012-02-27 한국전자통신연구원 무전원 전자노트 및 이를 이용한 무전원 무선전송시스템
CN103812491B (zh) * 2013-11-29 2016-08-17 贝骨新材料科技（上海）有限公司 一种整体式面板压电键盘及其误操作的识别方法
US10760949B2 (en) * 2018-09-11 2020-09-01 Acertara Acoustic Laboratories, LLC Piezoelectric pressure wave analysis
DE102019132356A1 (de) 2019-11-28 2021-06-02 Tdk Electronics Ag Zweikanaliger Detektor
US10936073B1 (en) * 2020-01-31 2021-03-02 Dell Products, Lp System and method for generating high-frequency and mid-frequency audible sound via piezoelectric actuators of a haptic keyboard
US11579695B2 (en) * 2020-01-31 2023-02-14 Dell Products, Lp System and method for generating sound effects on fingertips with piezoelectric actuators of a haptic keyboard

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1026237A (en) * 1973-09-17 1978-02-14 Kureha Kagaku Kogyo Kabushiki Kaisha Key board switch
JPS5410214B2 (pt) * 1973-10-15 1979-05-02
JPS51129129A (en) * 1975-05-02 1976-11-10 Kureha Chem Ind Co Ltd Matrix switch
JPS5840805B2 (ja) * 1978-04-10 1983-09-08 東レ株式会社 座標入力用構造体
JPS5692634A (en) * 1979-12-27 1981-07-27 Kureha Chem Ind Co Ltd Input device for transparent piezoelectric coordinate
US4328441A (en) * 1980-01-31 1982-05-04 Minnesota Mining And Manufacturing Company Output circuit for piezoelectric polymer pressure sensor
US4516112A (en) * 1982-02-22 1985-05-07 Eaton Corporation Transparent touch switching system
DE3236057A1 (de) * 1982-09-29 1984-03-29 Siemens Ag Graphikbildschirm fuer ein rechner-graphiksystem

Also Published As

Publication number Publication date
EP0203261A2 (en) 1986-12-03
AU5326686A (en) 1986-12-04
JPS61273817A (ja) 1986-12-04
EP0203261A3 (en) 1988-09-21
US4633123A (en) 1986-12-30

Similar Documents

Publication Publication Date Title
BR8602337A (pt) Comutador de teclado eletrico sem contacto e processo de fabricar um composito para emprego no mesmo
BR8502369A (pt) Aparelho de extrusao e processo para a producao de um laminado
PT81964B (pt) Artigos ceramicos compositos e processo para a sua fabricacao
BR8803464A (pt) Processo e instalacao para o revestimento em serie de pecas a trabalhar
DE69127109D1 (de) Herstellungsverfahren für eine Elektrode und Herstellungsverfahren für eine Verbund-Elektrode-Elektrolyte
BR8805772A (pt) Processo de formacao de camada de deslizamento de mancal
BR8600996A (pt) Material polimerico resistente a plasma,e processo de preparacao do mesmo
BR8606984A (pt) Processo para revestimento de vidro e artigo resultante
BR8600898A (pt) Processo para a producao de um composito e covulcanizados obtidos
BR8600645A (pt) Material de mancal deslizante e processo para a fabricacao do mesmo
DK84286A (da) Composite pipes and process for manufacturing the same
BR8705698A (pt) Processo para a producao de um revestimento de fosfato em metais
EP0205897A3 (en) Arcing contact piece and process for manufacturing such a piece or the like
DE69503545D1 (de) Verbundisolatoren und Herstellungsverfahren dafür
BR9404683A (pt) Conjunto de terminais elétricos; e processo para a fabricação de um conjunto de terminais
BR8907009A (pt) Processo e aparelho para pulverizacao de material
BR8606953A (pt) Estrutura de mancal,composicao e processo para sua fabricacao
BR8407271A (pt) Mecanismo composto de travamento mecanico e eletrico
BR8900117A (pt) Processo para a producao de fosfato de triarila e composicao
BR8602216A (pt) Processo de fundicao de metal em fusao e luva alimentadora para uso no mesmo
BR8505162A (pt) Processo para a fabricacao de artigos de construcao perfilados,porosos e isolantes
BR8705954A (pt) Processo para a producao de um material pre-impregnado,material pre-impregnado e artigo laminado
BR8900206A (pt) Comutador,motor eletrico e processo de fabricacao do comutador
BR8701136A (pt) Bocal de fundicao e processo para a fabricacao do mesmo
BR8606668A (pt) Protetor de incontinencia e processo para fabricacao do mesmo