GB1453329A - Switchgear state indicator - Google Patents

Switchgear state indicator

Info

Publication number
GB1453329A
GB1453329A GB551974A GB551974A GB1453329A GB 1453329 A GB1453329 A GB 1453329A GB 551974 A GB551974 A GB 551974A GB 551974 A GB551974 A GB 551974A GB 1453329 A GB1453329 A GB 1453329A
Authority
GB
United Kingdom
Prior art keywords
electrical
feb
affect
switching state
moved
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
GB551974A
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Publication of GB1453329A publication Critical patent/GB1453329A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/167—Circuits for remote indication

Landscapes

  • Mechanical Light Control Or Optical Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

1453329 Switching state indicators BROWN BOVERI & CIE AG 6 Feb 1974 [8 Feb 1973] 05519/74 Heading H1N The switching state of electrical switch gear is signalled electrically by means which use no electrical contacts for the signalling. The electrical signal may be a voltage pulse, change of resistance change of voltage, for example. The systems mentioned to be used include a magnet moved by a switch operating member to affect a magneto-resistive element, a metal vane moved to affect an oscillator circuit, a moving part that on moving varies the light falling on an electro-optical device and a proximity derector which may act through rear approach or physical but not electrical contact of two parts.
GB551974A 1973-02-08 1974-02-06 Switchgear state indicator Expired GB1453329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732306207 DE2306207A1 (en) 1973-02-08 1973-02-08 SIGNAL DEVICE FOR CONTACTORS OR SWITCHES

Publications (1)

Publication Number Publication Date
GB1453329A true GB1453329A (en) 1976-10-20

Family

ID=5871347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB551974A Expired GB1453329A (en) 1973-02-08 1974-02-06 Switchgear state indicator

Country Status (4)

Country Link
JP (1) JPS49105971A (en)
DE (1) DE2306207A1 (en)
FR (1) FR2217846B1 (en)
GB (1) GB1453329A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2682528B1 (en) * 1991-10-15 1997-01-31 Alsthom Gec DEVICE FOR DETERMINING THE CONDITION OF AN APPARATUS AND PARTICULARLY THE OPEN OR CLOSED CONDITION OF AN ELECTRIC APPARATUS USING AUXILIARY CONTACTS.
DE19511795A1 (en) * 1994-08-26 1996-10-02 Siemens Ag Electromechanical switching device
DE19532196C2 (en) * 1995-08-31 1999-03-18 Siemens Ag Method and device for status detection on circuit breakers using an electrode arrangement
DE29602868U1 (en) * 1996-02-06 1996-05-30 Klöckner-Moeller GmbH, 53115 Bonn Positioning device for the armature of a contactor
DE19960399B4 (en) * 1999-09-17 2004-09-02 Elan Schaltelemente Gmbh & Co. Kg Electromechanical switching device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194957B (en) * 1960-05-27 1965-06-16 Licentia Gmbh Position report for electrical switching devices
FR83183E (en) * 1962-11-30 1964-06-26 Comp Generale Electricite High voltage shielded cubicles with disconnecting device
US3413605A (en) * 1965-01-08 1968-11-26 Ibm Synchronous remote element operating system with answer back
FR1498480A (en) * 1966-07-27 1967-10-20 Cie Electromecanique Advanced training in electrical contactors

Also Published As

Publication number Publication date
FR2217846A1 (en) 1974-09-06
FR2217846B1 (en) 1977-09-23
DE2306207A1 (en) 1974-08-15
JPS49105971A (en) 1974-10-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee