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KR900005513A - 스위칭 매트릭스내의 입력동작 검출용 검출장치 - Google Patents

스위칭 매트릭스내의 입력동작 검출용 검출장치 Download PDF

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Publication number
KR900005513A
KR900005513A KR1019890013147A KR890013147A KR900005513A KR 900005513 A KR900005513 A KR 900005513A KR 1019890013147 A KR1019890013147 A KR 1019890013147A KR 890013147 A KR890013147 A KR 890013147A KR 900005513 A KR900005513 A KR 900005513A
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KR
South Korea
Prior art keywords
group
lines
detection device
voltage
switching
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KR1019890013147A
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KR920008979B1 (ko
Inventor
노리오 엔도오
시게오 단지
가쓰도시 하야시
히데오 야마다
Original Assignee
야마모도 다꾸마
후지쓰 가부시끼가이샤
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Publication of KR900005513A publication Critical patent/KR900005513A/ko
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Publication of KR920008979B1 publication Critical patent/KR920008979B1/ko
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/72—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/003—Phantom keys detection and prevention
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Electronic Switches (AREA)

Abstract

내용 없음

Description

스위칭 매트릭스내의 입력동작 검출용 검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 키보드용 입력 검출회로의 일실시예도.
제2도는 종래의 키보드입력 검출회로의 기본 구성도.

Claims (5)

  1. 스위치 매트릭스내의 입력동작을 검출하기 위한 장치에 있어서, 드라이버회로와, 검출회로와, 상기 드라이버회로(2)에 각각 연결되는 제1그룹의 다수의 라인(10~16)과, 상기 검출회로에 각각 연결되는 제2그룹의 다수의 라인들(30~36)과, 그리고 직렬 연결된 스위칭소자(5)와 저항(6)을 포함하며, 일단은 제1그룹의 라인들에 연결되며 타단은 제2그룹의 라인들의 하나에 연결되는 다수의 스위칭장치(S)를 포함하며, 상기 드라이버회로는 제1그룹(10~16)의 각 라인의 일단을 OV를 갖는 전원에 연결해주는 디코더(11)을 갖고 있는 한편, 상기 검출회로는 선택기(7)을 갖고있으며 또한, 상기 선택기(7)을 통해 그의 전압검출회로에 제2그룹(30~36)의 라인의 일단을 연결하며, 상기 검출장치는 제2그룹의 다수의 라인들의 단부들의 나머지는, 제2그룹의 다수의 라인들의 각 단부가 선택기의 동작과 동기하여 개방되고 또한 상기 라인들에 상기 검출전압보다 높은 소정전압을 걸어주기 위한 수단을 갖춘 디코더에 연결되어 있어 스위칭 동작을 검출하는 것이 특징인 스위칭 매트릭스내의 입력동작 검출용 검출장치.
  2. 제1항에서, 적어도 하나의 재너다이오드를 포함하는 정전압 회로는 상기 제2그룹(30~36)의 라이들의 각 단부에 상기 고정전압을 걸어주도록 설치되는 것이 특징인 스위칭 매트릭스내의 입력동작 검출용 검출장치.
  3. 제1항에 있어서, 상기 전압검출장치로 입력되는 상기 고전압과 기준전압은 동일한 전원으로부터 공급되는 것이 특징인 스위칭 매트릭스내의 입력동작 검출용 검출장치.
  4. 제1,2,3,항 중 한 항에서, 상기 제2 그룹의 라인들 중 하나에 걸리는 상기 소정의 고전압은 하나의 제너다이오드를 통해 제공되는 것이 특징인 스위칭 매트릭스내의 입력동작 검출용 검출장치.
  5. 제1,2,3 또는 4항 중 한 항에서, 상기 매트릭스는 내면이 서로 대향하도록 서로 겹쳐지는 적어도 2박판형 재료의 내면상에 형성되는 것이 특징인 스위칭 매트릭스내의 입력동작 검출용 검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890013147A 1988-09-14 1989-09-11 스위칭 매트릭스내의 입력동작검출용 검출장치 Expired KR920008979B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP88-230711 1988-09-14
JP63-230711 1988-09-14
JP23071188 1988-09-14

Publications (2)

Publication Number Publication Date
KR900005513A true KR900005513A (ko) 1990-04-14
KR920008979B1 KR920008979B1 (ko) 1992-10-12

Family

ID=16912110

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890013147A Expired KR920008979B1 (ko) 1988-09-14 1989-09-11 스위칭 매트릭스내의 입력동작검출용 검출장치

Country Status (4)

Country Link
US (1) US5081453A (ko)
EP (1) EP0359669B1 (ko)
KR (1) KR920008979B1 (ko)
DE (1) DE68926080T2 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006006758A1 (en) * 2004-07-09 2006-01-19 Korea Railroad Research Institute Automatic test device for electronic interlocking systems and method for controlling the same
KR100971580B1 (ko) * 2008-05-13 2010-07-20 주식회사 포인칩스 스위칭매트릭스의 키입력장치

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2774721B2 (ja) * 1991-12-25 1998-07-09 アルプス電気株式会社 Ｎキーロールオーバ回路
JP2977145B2 (ja) * 1993-03-18 1999-11-10 富士通株式会社 キーボード回路装置
US5430443A (en) * 1993-04-12 1995-07-04 National Semiconductor Corporation Scanned switch matrix
US5508724A (en) * 1993-09-07 1996-04-16 Hewlett-Packard Company Passive multiplexing using sparse arrays
US5504471A (en) * 1993-09-16 1996-04-02 Hewlett-Packard Company Passively-multiplexed resistor array
KR100203745B1 (ko) * 1996-05-27 1999-06-15 윤종용 에이디씨-키 패드 장치 및 그의 제어방법
JP3322294B2 (ja) * 1996-09-06 2002-09-09 ソニー株式会社 オーディオ機器におけるキー判別方法およびキー判別回路
US5910780A (en) * 1996-11-13 1999-06-08 Analog Devices, Inc. Switched-transconductance multiplexer circuit with integrated T-switches
US6040732A (en) * 1997-04-09 2000-03-21 Analog Devices, Inc. Switched-transconductance circuit within integrated T-switches
KR100218009B1 (ko) * 1997-05-27 1999-09-01 윤종용 채터링(Chattering)노이즈에 의한 키 오동작 방지 장치 및 방법
US6744386B2 (en) * 2000-06-02 2004-06-01 Thomson Licensing, S.A. Prevention of incompatible keyboard selections from being entered during power initialization
US20100066567A1 (en) * 2008-09-18 2010-03-18 Microsoft Corporation Resistive switch matrix
TWM403696U (en) * 2010-10-20 2011-05-11 Sunrex Technology Corp Input device capable of eliminating ghost key
TWI491898B (zh) * 2014-05-16 2015-07-11 Primax Electronics Ltd 薄膜開關電路之測試系統
WO2018098620A1 (zh) * 2016-11-29 2018-06-07 王铭 矩阵按键、其组合按键检测装置、方法及检测的检测方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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JPS54140829A (en) * 1978-04-24 1979-11-01 Omron Tateisi Electronics Co Keyboard encoder
FR2449388A1 (fr) * 1979-02-13 1980-09-12 Cii Honeywell Bull Clavier electronique
JPS56119596A (en) * 1980-02-26 1981-09-19 Nec Corp Control signal generator
US4502038A (en) * 1981-10-15 1985-02-26 Convergent Technologies, Inc. Keyboard scanning and interface method and circuit
US4663228A (en) * 1983-05-03 1987-05-05 Advanced Glass Systems Corp. Laminated safety glass
JPS6039718A (ja) * 1983-08-12 1985-03-01 富士通株式会社 スイツチのマトリツクス構成
US4633228A (en) * 1984-05-02 1986-12-30 Amp Incorporated Entry error elimination for data systems
DE3429309A1 (de) * 1984-08-09 1986-02-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektronische dateneingabe-tastatur mit galvanische kontakte aufweisenden tasten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006006758A1 (en) * 2004-07-09 2006-01-19 Korea Railroad Research Institute Automatic test device for electronic interlocking systems and method for controlling the same
KR100971580B1 (ko) * 2008-05-13 2010-07-20 주식회사 포인칩스 스위칭매트릭스의 키입력장치

Also Published As

Publication number Publication date
EP0359669B1 (en) 1996-03-27
EP0359669A2 (en) 1990-03-21
DE68926080D1 (de) 1996-05-02
EP0359669A3 (en) 1991-08-28
KR920008979B1 (ko) 1992-10-12
DE68926080T2 (de) 1996-08-14
US5081453A (en) 1992-01-14

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