GB8721046D0 - Relays - Google Patents

Relays

Info

Publication number
GB8721046D0
GB8721046D0 GB878721046A GB8721046A GB8721046D0 GB 8721046 D0 GB8721046 D0 GB 8721046D0 GB 878721046 A GB878721046 A GB 878721046A GB 8721046 A GB8721046 A GB 8721046A GB 8721046 D0 GB8721046 D0 GB 8721046D0
Authority
GB
United Kingdom
Prior art keywords
relays
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.)
Granted
Application number
GB878721046A
Other versions
GB2209640A (en
GB2209640B (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.)
Crabtree Electrical Industries Ltd
Original Assignee
Crabtree Electrical Industries Ltd
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 Crabtree Electrical Industries Ltd filed Critical Crabtree Electrical Industries Ltd
Priority to GB8721046A priority Critical patent/GB2209640B/en
Publication of GB8721046D0 publication Critical patent/GB8721046D0/en
Priority to IE234488A priority patent/IE60357B1/en
Publication of GB2209640A publication Critical patent/GB2209640A/en
Application granted granted Critical
Publication of GB2209640B publication Critical patent/GB2209640B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/043—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current making use of an energy accumulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Relay Circuits (AREA)
GB8721046A 1987-09-08 1987-09-08 Improvements relating to relays Expired - Fee Related GB2209640B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8721046A GB2209640B (en) 1987-09-08 1987-09-08 Improvements relating to relays
IE234488A IE60357B1 (en) 1987-09-08 1988-07-29 Improvements relating to relays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8721046A GB2209640B (en) 1987-09-08 1987-09-08 Improvements relating to relays

Publications (3)

Publication Number Publication Date
GB8721046D0 true GB8721046D0 (en) 1987-10-14
GB2209640A GB2209640A (en) 1989-05-17
GB2209640B GB2209640B (en) 1992-05-20

Family

ID=10623419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8721046A Expired - Fee Related GB2209640B (en) 1987-09-08 1987-09-08 Improvements relating to relays

Country Status (2)

Country Link
GB (1) GB2209640B (en)
IE (1) IE60357B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265015B (en) * 1992-03-14 1995-08-23 Ampy Automation Digilog Improvements in and relating to electricity measuring meters

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790862A (en) * 1972-12-21 1974-02-05 Square D Co Excitation control circuit for electromagnet coil
GB2124044B (en) * 1982-07-10 1986-03-05 Lucas Ind Plc Power supply circuit
DE3306761A1 (en) * 1983-02-25 1984-08-30 Siemens AG, 1000 Berlin und 8000 München ENERGY SAVING
FR2579820B1 (en) * 1985-03-28 1988-04-22 Renault DEVICE FOR CONTROLLING FAST-ACTIVATED ELECTROMAGNETIC COMPONENTS

Also Published As

Publication number Publication date
GB2209640A (en) 1989-05-17
IE60357B1 (en) 1994-06-29
GB2209640B (en) 1992-05-20
IE882344L (en) 1989-03-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010908