GB2382238B - Emergency lighting - Google Patents

Emergency lighting

Info

Publication number
GB2382238B
GB2382238B GB0120755A GB0120755A GB2382238B GB 2382238 B GB2382238 B GB 2382238B GB 0120755 A GB0120755 A GB 0120755A GB 0120755 A GB0120755 A GB 0120755A GB 2382238 B GB2382238 B GB 2382238B
Authority
GB
United Kingdom
Prior art keywords
emergency lighting
emergency
lighting
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 - Fee Related
Application number
GB0120755A
Other versions
GB2382238A (en
GB0120755D0 (en
Inventor
N Levesley
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.)
MACKWELL ELECTRONICS Ltd
Original Assignee
MACKWELL ELECTRONICS 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 MACKWELL ELECTRONICS Ltd filed Critical MACKWELL ELECTRONICS Ltd
Priority to GB0120755A priority Critical patent/GB2382238B/en
Publication of GB0120755D0 publication Critical patent/GB0120755D0/en
Publication of GB2382238A publication Critical patent/GB2382238A/en
Application granted granted Critical
Publication of GB2382238B publication Critical patent/GB2382238B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
GB0120755A 2001-08-25 2001-08-25 Emergency lighting Expired - Fee Related GB2382238B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0120755A GB2382238B (en) 2001-08-25 2001-08-25 Emergency lighting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0120755A GB2382238B (en) 2001-08-25 2001-08-25 Emergency lighting

Publications (3)

Publication Number Publication Date
GB0120755D0 GB0120755D0 (en) 2001-10-17
GB2382238A GB2382238A (en) 2003-05-21
GB2382238B true GB2382238B (en) 2005-04-06

Family

ID=9921034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0120755A Expired - Fee Related GB2382238B (en) 2001-08-25 2001-08-25 Emergency lighting

Country Status (1)

Country Link
GB (1) GB2382238B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006030655A1 (en) 2006-04-21 2007-10-25 Tridonicatco Gmbh & Co. Kg Emergency lighting device for operating a light source, in particular an LED
CN115021379B (en) * 2022-08-04 2022-11-04 深圳市微源半导体股份有限公司 Charging circuit and electronic equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740739A (en) * 1987-02-10 1988-04-26 Premier Engineered Products Corporation Battery charging apparatus and method
EP0588569A2 (en) * 1992-09-16 1994-03-23 International Business Machines Corporation Power supply for electronic device, and electronic device system
US6225787B1 (en) * 2000-05-02 2001-05-01 National Semiconductor Corporation Temperature stabilized constant current source suitable for charging a highly discharged battery
GB2380621A (en) * 2001-08-07 2003-04-09 Yazaki Corp Electric charge control device having a switching regulator and a series regulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740739A (en) * 1987-02-10 1988-04-26 Premier Engineered Products Corporation Battery charging apparatus and method
EP0588569A2 (en) * 1992-09-16 1994-03-23 International Business Machines Corporation Power supply for electronic device, and electronic device system
US6225787B1 (en) * 2000-05-02 2001-05-01 National Semiconductor Corporation Temperature stabilized constant current source suitable for charging a highly discharged battery
GB2380621A (en) * 2001-08-07 2003-04-09 Yazaki Corp Electric charge control device having a switching regulator and a series regulator

Also Published As

Publication number Publication date
GB2382238A (en) 2003-05-21
GB0120755D0 (en) 2001-10-17

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Legal Events

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

Effective date: 20170825