KR870007609A - 근접 감지 장치 - Google Patents

근접 감지 장치 Download PDF

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Publication number
KR870007609A
KR870007609A KR870000732A KR870000732A KR870007609A KR 870007609 A KR870007609 A KR 870007609A KR 870000732 A KR870000732 A KR 870000732A KR 870000732 A KR870000732 A KR 870000732A KR 870007609 A KR870007609 A KR 870007609A
Authority
KR
South Korea
Prior art keywords
sensing device
region
differentiator
proximity sensing
planar capacitor
Prior art date
Application number
KR870000732A
Other languages
English (en)
Inventor
데이비드 에드워드 제프리
Original Assignee
원본미기재
인텔렉트 일렉트로닉스 리미티드
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.)
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Publication date
Application filed by 원본미기재, 인텔렉트 일렉트로닉스 리미티드 filed Critical 원본미기재
Publication of KR870007609A publication Critical patent/KR870007609A/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • 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
    • H03K17/945—Proximity switches
    • H03K17/955—Proximity switches using a capacitive detector
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960705—Safety of capacitive touch and proximity switches, e.g. increasing reliability, fail-safe
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/960775—Emitter-receiver or "fringe" type detection, i.e. one or more field emitting electrodes and corresponding one or more receiving electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

내용 없음

Description

근접 감지 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 인쇄된 평면 커패시터의 설계도.(착색된 부분은 인쇄회로 기판상의 구리(동)이다)
제2도는 평면 커패시터, 양극성 트랜지스터 및 저항을 포함하는 미분기 센서의 측면도.
제3a도는 단일 센서 회로도.(제2도 미분기의 트랜지스터 및 저항의 외부적으로 명확히 도시된다)

Claims (8)

  1. 근접 감지 장치에 있어서, 상기 장치는 중심 영역과 외부 영역을 갖는 평면 커패시터와, 최소한 한의 계단형 연부를 갖는 구동 입력펄스로부터 스파이크형 출력펄스를 형성하기 위해 상기 커패시터와 연관이 된 미분기 수단과, 근접체가 위치되어 있는 가를 결정하는 감지기의 인근에 또는 감지기에 접촉되고 있는 급접체가 없는 상태를 표시하는 기준 데이타와 상기 스파이크형 출력 펄스를 반복적으로 비교하도록 장치된 비교기 수단을 구비하는 것을 특징으로 하는 근접 감지 장치.
  2. 제1항에 있어서, 상기 평면 커패시터의 중심 영역을 크기는 상기 중심 영역과 상기 외부 영역 사이의 유전체 간격 또는 면적을 결정하며, 상기 평면 커패시터의 용량은 사람의 손가락의 용량과 비교될 수 있는 정도의 것을 특징으로 하는 근접 감지 장치.
  3. 선행하는 항 중의 어느 한 항에 있어서, 상기 중심 영역과 상기 부외 영역 사이의 유전체 면적의 주변길이와 상기 중역 영역의 주변 길이의 비율은 약 2:1 인 것을 특징으로 하는 근접 감지 장치.
  4. 선행하는 항 중의 어느 한 항에 있어서, 상기 평면 커패시터의 외부 영역과 중심 영역은 거의 동일 평면에 있는 외부 영역판과 중심판인 것을 특징으로 하는 근접 감지 장치.
  5. 선행하는 항 중의 어느 한 항에 있어서, 상기 미분기 수단은 트랜지스터에 접속된 상기 평면 커패시터와 상기 트랜지스터를 바이어스시키는 저항을 구비하는 것을 특징으로 하는 근접 감지 장치.
  6. 제5항에 있어서, 상기 평면 커패시터는 인쇄회로 기판내에서 에칭되며, 상기 트랜지스터의 입력 및 레지스터는 상기 인쇄회로 기판의 후방으로부터 상기 평면 커패시터의 상기 영역에 접속되어 있는 것을 특징으로 하는 근접 감지 장치.
  7. 미분기를 형성하기 위해 트랜지스터 및 레지스터에 접속된 평면 커패시터를 구비하는 용량성 근접 감지 장치에 있어서, 연속 출력이 제1출력과 동일할 때, 미분기로부터의 제1출력은 근접 본체가 존재하지 않는 것을 나타내며, 연속 출력은 어느 기준을 정하기 위해 제1출력과 비교되며, 연속 출력이 기준으로부터 상당히 벗어날 때, 근접 본체가 존재하는 것을 나타내는 용량성 근접 감지 장치.
  8. 미분기를 형성하기 위해 트랜지스터 및 레지스터에 각각 접속된 하나 또는 복수의 평면 커패시터 및 비교기 수단 및 각 미분기를 비교기 수단에 접속시키기에 적합한 스위칭 수단을 구비하는 용량성 감지 장치에 있어서, 양호하게 한정된 선단 옛지부를 가진 구동펄스는 스위칭 수단이 스위칭 운동을 완성한 후에만 미분기를 통과하여 비교기 수단에 도착될 수 있는 것을 특징으로 하는 용량성 감지 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR870000732A 1986-01-30 1987-01-30 근접 감지 장치 KR870007609A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPH437786 1986-01-30
AU4377 1986-01-30

Publications (1)

Publication Number Publication Date
KR870007609A true KR870007609A (ko) 1987-08-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR870000732A KR870007609A (ko) 1986-01-30 1987-01-30 근접 감지 장치

Country Status (7)

Country Link
US (1) US5063306A (ko)
EP (1) EP0256004A4 (ko)
JP (1) JPS63502540A (ko)
KR (1) KR870007609A (ko)
CA (1) CA1277001C (ko)
MY (1) MY102421A (ko)
WO (1) WO1987004851A1 (ko)

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Publication number Priority date Publication date Assignee Title
KR100616257B1 (ko) * 1997-10-24 2006-12-01 소니 유나이티드 킹덤 리미티드 데이터처리장치

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EP0256004A1 (en) 1988-02-24
EP0256004A4 (en) 1990-04-10
WO1987004851A1 (en) 1987-08-13
JPS63502540A (ja) 1988-09-22
US5063306A (en) 1991-11-05
MY102421A (en) 1992-06-30
CA1277001C (en) 1990-11-27

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