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GB2140991B - Emergency supply for fluorescent tube - Google Patents
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GB2140991B - Emergency supply for fluorescent tube - Google Patents

Emergency supply for fluorescent tube

Info

Publication number
GB2140991B
GB2140991B GB08412977A GB8412977A GB2140991B GB 2140991 B GB2140991 B GB 2140991B GB 08412977 A GB08412977 A GB 08412977A GB 8412977 A GB8412977 A GB 8412977A GB 2140991 B GB2140991 B GB 2140991B
Authority
GB
United Kingdom
Prior art keywords
fluorescent tube
emergency supply
emergency
supply
fluorescent
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
GB08412977A
Other versions
GB2140991A (en
GB8412977D0 (en
Inventor
Holger Norlyk
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8412977D0 publication Critical patent/GB8412977D0/en
Publication of GB2140991A publication Critical patent/GB2140991A/en
Application granted granted Critical
Publication of GB2140991B publication Critical patent/GB2140991B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J9/065—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 for lighting purposes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/16—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies
    • H05B41/18—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having a starting switch

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Dc-Dc Converters (AREA)
GB08412977A 1983-05-24 1984-05-21 Emergency supply for fluorescent tube Expired GB2140991B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8302913A SE436815B (en) 1983-05-24 1983-05-24 LIGHT POWER DRIVE DEVICE

Publications (3)

Publication Number Publication Date
GB8412977D0 GB8412977D0 (en) 1984-06-27
GB2140991A GB2140991A (en) 1984-12-05
GB2140991B true GB2140991B (en) 1987-07-22

Family

ID=20351296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08412977A Expired GB2140991B (en) 1983-05-24 1984-05-21 Emergency supply for fluorescent tube

Country Status (3)

Country Link
DE (1) DE3419246A1 (en)
GB (1) GB2140991B (en)
SE (1) SE436815B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197760A (en) * 1986-10-31 1988-05-25 Fano Int Ltd Emergency lighting unit
FI120224B (en) * 2008-05-29 2009-07-31 Teknoware Oy Procedures and arrangements in connection with safety luminaires

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307098A (en) * 1963-07-12 1967-02-28 Jefferson Electric Co Inverter having a single selfcommutating thyristor
US3836815A (en) * 1972-05-24 1974-09-17 Gen Electric Emergency instant-start lighting system for arc discharge devices
CH608925A5 (en) * 1977-02-03 1979-01-31 Paul Maurer
US4117373A (en) * 1977-04-28 1978-09-26 General Electric Company Emergency/normal lighting circuit for a gaseous discharge lamp
FR2500251A1 (en) * 1981-02-13 1982-08-20 Accumulateurs Fixes DEVICE FOR SUPPORTING FEEDBACK OF A FLUORESCENT LUMINAIRE

Also Published As

Publication number Publication date
SE8302913L (en) 1984-11-25
GB2140991A (en) 1984-12-05
GB8412977D0 (en) 1984-06-27
SE8302913D0 (en) 1983-05-24
DE3419246A1 (en) 1984-11-29
SE436815B (en) 1985-01-21

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Legal Events

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