GB1351868A - Proximity switch - Google Patents

Proximity switch

Info

Publication number
GB1351868A
GB1351868A GB2083671A GB2083671A GB1351868A GB 1351868 A GB1351868 A GB 1351868A GB 2083671 A GB2083671 A GB 2083671A GB 2083671 A GB2083671 A GB 2083671A GB 1351868 A GB1351868 A GB 1351868A
Authority
GB
United Kingdom
Prior art keywords
oscillator
relay
circuit
feedback
oscillation
Prior art date
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
GB2083671A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Feller SA Adolphe
Original Assignee
Feller SA Adolphe
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 Feller SA Adolphe filed Critical Feller SA Adolphe
Publication of GB1351868A publication Critical patent/GB1351868A/en
Expired legal-status Critical Current

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
    • H03K17/962—Capacitive touch switches
    • 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

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
GB2083671A 1970-02-03 1971-04-19 Proximity switch Expired GB1351868A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7003759A FR2079504A5 (enExample) 1970-02-03 1970-02-03
FR7100026A FR2123580A6 (enExample) 1970-02-03 1971-01-04

Publications (1)

Publication Number Publication Date
GB1351868A true GB1351868A (en) 1974-05-01

Family

ID=26215529

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2083671A Expired GB1351868A (en) 1970-02-03 1971-04-19 Proximity switch

Country Status (9)

Country Link
US (1) US3723901A (enExample)
AT (1) AT320060B (enExample)
BE (1) BE761967A (enExample)
CH (1) CH524241A (enExample)
DE (1) DE2105045A1 (enExample)
FR (2) FR2079504A5 (enExample)
GB (1) GB1351868A (enExample)
NL (1) NL7101460A (enExample)
SE (1) SE380953B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056568B1 (fr) * 1981-01-21 1984-05-30 ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI (ACEC) Société Anonyme Oscillateur à seuil de sécurité
JP3018700B2 (ja) * 1992-01-16 2000-03-13 アイシン精機株式会社 誘電体検出装置
US5801340A (en) * 1995-06-29 1998-09-01 Invotronics Manufacturing Proximity sensor
JP3484355B2 (ja) * 1998-09-28 2004-01-06 オムロンヘルスケア株式会社 生体検知装置
US8274109B2 (en) * 2007-12-26 2012-09-25 Infineon Technologies Ag Semiconductor device with dynamical avalanche breakdown characteristics and method for manufacturing a semiconductor device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171066A (en) * 1960-07-05 1965-02-23 Tung Sol Electric Inc Touch control circuits
US3246257A (en) * 1962-11-13 1966-04-12 Robertshaw Controls Co Variable amplitude self-rectifying oscillator and d. c. amplifier
US3621307A (en) * 1968-07-24 1971-11-16 Raven Electronics Corp Touch responsive control circuit

Also Published As

Publication number Publication date
US3723901A (en) 1973-03-27
SE380953B (sv) 1975-11-17
FR2123580A6 (enExample) 1972-09-15
AT320060B (de) 1975-01-27
DE2105045A1 (de) 1971-08-19
NL7101460A (enExample) 1971-08-05
CH524241A (de) 1972-06-15
BE761967A (fr) 1971-07-01
FR2079504A5 (enExample) 1971-11-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees