GB2299712B - Switching controller - Google Patents

Switching controller

Info

Publication number
GB2299712B
GB2299712B GB9604954A GB9604954A GB2299712B GB 2299712 B GB2299712 B GB 2299712B GB 9604954 A GB9604954 A GB 9604954A GB 9604954 A GB9604954 A GB 9604954A GB 2299712 B GB2299712 B GB 2299712B
Authority
GB
United Kingdom
Prior art keywords
switching controller
switching
controller
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 - Lifetime
Application number
GB9604954A
Other versions
GB2299712A (en
GB9604954D0 (en
Inventor
Roy Powers
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.)
Royce Thompson Ltd
TGA Industries Ltd
LIGHT CONTROLS CORP
Original Assignee
Royce Thompson Ltd
Danaher UK Industries Ltd
LIGHT CONTROLS CORP
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
Priority claimed from GBGB9507243.5A external-priority patent/GB9507243D0/en
Application filed by Royce Thompson Ltd, Danaher UK Industries Ltd, LIGHT CONTROLS CORP filed Critical Royce Thompson Ltd
Priority to GB9604954A priority Critical patent/GB2299712B/en
Publication of GB9604954D0 publication Critical patent/GB9604954D0/en
Publication of GB2299712A publication Critical patent/GB2299712A/en
Application granted granted Critical
Publication of GB2299712B publication Critical patent/GB2299712B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Relay Circuits (AREA)
GB9604954A 1995-04-07 1996-03-08 Switching controller Expired - Lifetime GB2299712B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9604954A GB2299712B (en) 1995-04-07 1996-03-08 Switching controller

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9507243.5A GB9507243D0 (en) 1995-04-07 1995-04-07 "Switching controller"
GB9604954A GB2299712B (en) 1995-04-07 1996-03-08 Switching controller

Publications (3)

Publication Number Publication Date
GB9604954D0 GB9604954D0 (en) 1996-05-08
GB2299712A GB2299712A (en) 1996-10-09
GB2299712B true GB2299712B (en) 1999-08-11

Family

ID=26306835

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9604954A Expired - Lifetime GB2299712B (en) 1995-04-07 1996-03-08 Switching controller

Country Status (1)

Country Link
GB (1) GB2299712B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5821642A (en) * 1996-11-04 1998-10-13 Hubbell Incorporated Arc prevention circuit for a mechanical switch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153922A (en) * 1976-12-03 1979-05-08 Hitachi, Ltd. Relay control circuit
GB2090702A (en) * 1981-01-05 1982-07-14 Gen Electric Method and circuit for controlling the switching of an inductive load
GB2130436A (en) * 1982-10-23 1984-05-31 Hawker Siddeley Revenue Contr Zero crossing circuit for arcing preventing in circuit breakers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153922A (en) * 1976-12-03 1979-05-08 Hitachi, Ltd. Relay control circuit
GB2090702A (en) * 1981-01-05 1982-07-14 Gen Electric Method and circuit for controlling the switching of an inductive load
GB2130436A (en) * 1982-10-23 1984-05-31 Hawker Siddeley Revenue Contr Zero crossing circuit for arcing preventing in circuit breakers

Also Published As

Publication number Publication date
GB2299712A (en) 1996-10-09
GB9604954D0 (en) 1996-05-08

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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)
PE20 Patent expired after termination of 20 years

Expiry date: 20160307