JPS5623536B2 - - Google Patents

Info

Publication number
JPS5623536B2
JPS5623536B2 JP964973A JP964973A JPS5623536B2 JP S5623536 B2 JPS5623536 B2 JP S5623536B2 JP 964973 A JP964973 A JP 964973A JP 964973 A JP964973 A JP 964973A JP S5623536 B2 JPS5623536 B2 JP S5623536B2
Authority
JP
Japan
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
JP964973A
Other languages
Japanese (ja)
Other versions
JPS4997279A (https=
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 filed Critical
Priority to JP964973A priority Critical patent/JPS5623536B2/ja
Priority to US05/435,268 priority patent/US4030037A/en
Priority to AU64733/74A priority patent/AU468702B2/en
Priority to CA190,584A priority patent/CA1024629A/en
Priority to GB281974A priority patent/GB1462394A/en
Priority to DE2402721A priority patent/DE2402721C3/de
Publication of JPS4997279A publication Critical patent/JPS4997279A/ja
Priority to HK412/77A priority patent/HK41277A/xx
Publication of JPS5623536B2 publication Critical patent/JPS5623536B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945Proximity switches
    • H03K17/955Proximity switches using a capacitive detector
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96Touch switches
    • H03K17/962Capacitive touch switches
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K2217/00Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94Indexing 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
    • H03K2217/96Touch switches
    • H03K2217/9607Capacitive touch switches
    • H03K2217/960735Capacitive touch switches characterised by circuit details
    • H03K2217/960745Capacitive differential; e.g. comparison with reference capacitance
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00Oscillators
    • Y10S331/03Logic gate active element oscillator

Landscapes

  • Electronic Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP964973A 1973-01-22 1973-01-22 Expired JPS5623536B2 (https=)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP964973A JPS5623536B2 (https=) 1973-01-22 1973-01-22
US05/435,268 US4030037A (en) 1973-01-22 1974-01-21 Proximity detecting apparatus
AU64733/74A AU468702B2 (en) 1973-01-22 1974-01-21 Proximity detecting apparatus
CA190,584A CA1024629A (en) 1973-01-22 1974-01-21 Proximity detecting apparatus using a differential amplifier
GB281974A GB1462394A (en) 1973-01-22 1974-01-21 Detecting apparatus
DE2402721A DE2402721C3 (de) 1973-01-22 1974-01-21 Kapazitiver Näherungsdetektor
HK412/77A HK41277A (en) 1973-01-22 1977-08-04 Detecting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP964973A JPS5623536B2 (https=) 1973-01-22 1973-01-22

Publications (2)

Publication Number Publication Date
JPS4997279A JPS4997279A (https=) 1974-09-13
JPS5623536B2 true JPS5623536B2 (https=) 1981-06-01

Family

ID=11726051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP964973A Expired JPS5623536B2 (https=) 1973-01-22 1973-01-22

Country Status (7)

Country Link
US (1) US4030037A (https=)
JP (1) JPS5623536B2 (https=)
AU (1) AU468702B2 (https=)
CA (1) CA1024629A (https=)
DE (1) DE2402721C3 (https=)
GB (1) GB1462394A (https=)
HK (1) HK41277A (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623536B2 (https=) * 1973-01-22 1981-06-01
US4004234A (en) * 1975-06-23 1977-01-18 Owens-Illinois, Inc. Article presence sensor
DE2845494C2 (de) * 1978-10-19 1982-06-09 Euro Hausgeräte GmbH, 6680 Neunkirchen Schaltungsanordnung zum Betrieb eines Berührungsschalters
US4475089A (en) * 1982-03-31 1984-10-02 Honeywell Inc. Proximity detector
GB2119931B (en) * 1982-05-07 1986-04-30 Graham Michael Stephens Proximity detection devices
US4613845A (en) * 1983-03-24 1986-09-23 Bois Donald E Du Apparatus for preventing operation of machinery by one who is intoxicated
US4796013A (en) * 1985-10-18 1989-01-03 Aisin Seiki Kabushiki Kaisha Capacitive occupancy detector apparatus
DE3622803A1 (de) * 1986-07-07 1986-12-18 Jürgen Helmut 3150 Peine Springmann Elektronisches messgeraet zur messung von schwacher erdstrahlung
US6144303A (en) * 1999-02-01 2000-11-07 Exi Wireless Systems, Inc. Tag and system for patient safety monitoring
US7498822B2 (en) * 2004-08-16 2009-03-03 Ying Lau Lee Linear capacitance measurement and touchless switch
US7323886B2 (en) * 2004-08-16 2008-01-29 Ying Lau Lee Linear capacitance measurement and touchless switch
TWI291124B (en) * 2005-10-14 2007-12-11 Hon Hai Prec Ind Co Ltd The touch sensing apparatus
TWI304471B (en) * 2005-10-14 2008-12-21 Hon Hai Prec Ind Co Ltd The touch sensing apparatus

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747152A (en) * 1951-08-01 1956-05-22 Air Reduction Torch spacing control
DE1448358A1 (de) * 1964-07-15 1968-11-28 Licentia Gmbh Anordnung zum beruehrungslosen Feststellen von Koerpern
US3199033A (en) * 1964-08-10 1965-08-03 Tung Sol Electric Inc Condition responsive circuits with plural output of relaxation oscillator balanced
US3314066A (en) * 1965-06-02 1967-04-11 Devenco Inc Method and apparatus for detecting the entrance of an object into a region being monitored
DE1548169A1 (de) * 1965-10-15 1970-04-09 Wilmot Breeden Ltd Vorrichtung zum Aufspueren von Objekten
CH472151A (de) * 1967-06-30 1969-04-30 Dixi Sa Astabiler Multivibrator
US3553575A (en) * 1967-11-27 1971-01-05 Sonic Eng Corp Capacitive sensing device having a slidable probe
US3600606A (en) * 1968-02-15 1971-08-17 Design Products Corp Voltage comparator
US3515984A (en) * 1968-08-05 1970-06-02 Cleveland Technical Center Inc Apparatus and method for measuring distance between spaced magnetic members
US3634843A (en) * 1968-10-14 1972-01-11 Product Dev Services Inc Circuit and method for detecting localized noise level changes and especially electromagnetic noise
GB1288925A (https=) * 1969-11-15 1972-09-13
US3662595A (en) * 1970-03-19 1972-05-16 Bendix Corp Oscillator type force measuring system insensitive to input voltage variations
US3706980A (en) * 1970-04-27 1972-12-19 Drexelbrook Controls Rf system for measuring the level of materials
DE2044553C3 (de) * 1970-09-09 1973-12-13 Wandel U. Goltermann, 7410 Reutlingen Laufzeit und Dampfungsentzerrer
DE2101591A1 (de) * 1971-01-14 1972-07-27 Basf Ag Meßschaltung für kapazitive Hygrometer
US3732443A (en) * 1971-05-12 1973-05-08 Renko Ass On-off detection device
JPS5623536B2 (https=) * 1973-01-22 1981-06-01
US3896371A (en) * 1973-12-17 1975-07-22 Allen W Hametta Metal detector with a resonating circuit being driven by a frequency higher than its natural resonance frequency

Also Published As

Publication number Publication date
HK41277A (en) 1977-08-12
DE2402721A1 (de) 1974-08-15
JPS4997279A (https=) 1974-09-13
CA1024629A (en) 1978-01-17
GB1462394A (en) 1977-01-26
AU6473374A (en) 1975-07-24
US4030037A (en) 1977-06-14
DE2402721B2 (de) 1977-02-24
AU468702B2 (en) 1976-01-22
DE2402721C3 (de) 1983-11-10

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