GB9317405D0 - Switching system - Google Patents

Switching system

Info

Publication number
GB9317405D0
GB9317405D0 GB939317405A GB9317405A GB9317405D0 GB 9317405 D0 GB9317405 D0 GB 9317405D0 GB 939317405 A GB939317405 A GB 939317405A GB 9317405 A GB9317405 A GB 9317405A GB 9317405 D0 GB9317405 D0 GB 9317405D0
Authority
GB
United Kingdom
Prior art keywords
switching system
switching
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.)
Withdrawn
Application number
GB939317405A
Other versions
GB2268008A (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.)
LIDDELL DAVID S
Original Assignee
LIDDELL DAVID S
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 GB919103757A external-priority patent/GB9103757D0/en
Application filed by LIDDELL DAVID S filed Critical LIDDELL DAVID S
Priority to GB9317405A priority Critical patent/GB2268008A/en
Publication of GB9317405D0 publication Critical patent/GB9317405D0/en
Publication of GB2268008A publication Critical patent/GB2268008A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stand-By Power Supply Arrangements (AREA)
GB9317405A 1991-02-22 1993-08-20 Switching system Withdrawn GB2268008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9317405A GB2268008A (en) 1991-02-22 1993-08-20 Switching system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919103757A GB9103757D0 (en) 1991-02-22 1991-02-22 Switching system
PCT/GB1992/000316 WO1992015143A1 (en) 1991-02-22 1992-02-21 Switching system
GB9317405A GB2268008A (en) 1991-02-22 1993-08-20 Switching system

Publications (2)

Publication Number Publication Date
GB9317405D0 true GB9317405D0 (en) 1993-10-27
GB2268008A GB2268008A (en) 1993-12-22

Family

ID=26298480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9317405A Withdrawn GB2268008A (en) 1991-02-22 1993-08-20 Switching system

Country Status (1)

Country Link
GB (1) GB2268008A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2303978B (en) * 1995-07-31 2000-01-12 Jsb Electrical Plc Control of electromagnetic emissions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836815A (en) * 1972-05-24 1974-09-17 Gen Electric Emergency instant-start lighting system for arc discharge devices
US3833817A (en) * 1973-04-16 1974-09-03 Philips Corp Emergency lighting system
US4029993A (en) * 1975-12-18 1977-06-14 General Electric Company Two level inverter circuit
US4117373A (en) * 1977-04-28 1978-09-26 General Electric Company Emergency/normal lighting circuit for a gaseous discharge lamp
DE2849581A1 (en) * 1977-11-21 1979-07-05 Esb Int Corp SECURITY SYSTEM TO BE USED IN CONJUNCTION WITH A PRIMARY ELECTRICITY SOURCE
GB2197760A (en) * 1986-10-31 1988-05-25 Fano Int Ltd Emergency lighting unit

Also Published As

Publication number Publication date
GB2268008A (en) 1993-12-22

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)