GB1233811A - - Google Patents

Info

Publication number
GB1233811A
GB1233811A GB1233811DA GB1233811A GB 1233811 A GB1233811 A GB 1233811A GB 1233811D A GB1233811D A GB 1233811DA GB 1233811 A GB1233811 A GB 1233811A
Authority
GB
United Kingdom
Prior art keywords
signal
capacitor
supply
rectified
output
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
Other languages
English (en)
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
Publication of GB1233811A publication Critical patent/GB1233811A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/08—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
    • 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
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/9502—Measures for increasing reliability
    • 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
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
    • H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
    • H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Safety Devices In Control Systems (AREA)
  • Electronic Switches (AREA)
GB1233811D 1968-02-06 1969-02-04 Expired GB1233811A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70736368A 1968-02-06 1968-02-06

Publications (1)

Publication Number Publication Date
GB1233811A true GB1233811A (enrdf_load_stackoverflow) 1971-06-03

Family

ID=24841404

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1233811D Expired GB1233811A (enrdf_load_stackoverflow) 1968-02-06 1969-02-04

Country Status (2)

Country Link
US (1) US3553488A (enrdf_load_stackoverflow)
GB (1) GB1233811A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117927A1 (de) * 1981-05-06 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Anordnung zur erkennung der laengsten von in digitalen signalen periodisch enthaltenen folgen von nullzeichen

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1288938A (enrdf_load_stackoverflow) * 1969-07-25 1972-09-13
FR2060950A5 (enrdf_load_stackoverflow) * 1969-09-08 1971-06-18 Marquardt J & J
US3675051A (en) * 1970-06-24 1972-07-04 Gen Electric Hand proximity alarm control circuit
US3818369A (en) * 1972-06-19 1974-06-18 D Brocker Variable inductance signal control apparatus
US3794855A (en) * 1973-03-23 1974-02-26 Electro Corp America Regenerative transistorized switch with constant voltage circuit
US4384250A (en) * 1981-04-13 1983-05-17 American Standard Inc. Vital vehicle movement detector
JPH03140872A (ja) * 1989-10-27 1991-06-14 Stanley Electric Co Ltd 測定装置の誤動作防止回路
DE102007037767A1 (de) * 2007-02-26 2008-08-28 Diehl Ako Stiftung & Co. Kg Gerät mit ansteuerbarer Schutzeinrichtung
EP1962011B1 (de) 2007-02-26 2010-04-21 Diehl AKO Stiftung & Co. KG Wäschebehandlungsgerät
US20090043435A1 (en) * 2007-08-07 2009-02-12 Quantum Engineering, Inc. Methods and systems for making a gps signal vital
US8509970B2 (en) 2009-06-30 2013-08-13 Invensys Rail Corporation Vital speed profile to control a train moving along a track

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762464A (en) * 1954-01-26 1956-09-11 Gen Railway Signal Co Train speed control system
US3015077A (en) * 1958-05-15 1961-12-26 Electro Products Lab Inc Electrical sensing circuit
US3147408A (en) * 1961-08-07 1964-09-01 Yamamoto Mititaka Proximity switch system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117927A1 (de) * 1981-05-06 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Anordnung zur erkennung der laengsten von in digitalen signalen periodisch enthaltenen folgen von nullzeichen

Also Published As

Publication number Publication date
US3553488A (en) 1971-01-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee