GB0210974D0 - Monitoring apparatus - Google Patents

Monitoring apparatus

Info

Publication number
GB0210974D0
GB0210974D0 GBGB0210974.2A GB0210974A GB0210974D0 GB 0210974 D0 GB0210974 D0 GB 0210974D0 GB 0210974 A GB0210974 A GB 0210974A GB 0210974 D0 GB0210974 D0 GB 0210974D0
Authority
GB
United Kingdom
Prior art keywords
monitoring apparatus
monitoring
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
GBGB0210974.2A
Other versions
GB2388722A (en
GB2388722B (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.)
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 GB0210974A priority Critical patent/GB2388722B/en
Publication of GB0210974D0 publication Critical patent/GB0210974D0/en
Publication of GB2388722A publication Critical patent/GB2388722A/en
Application granted granted Critical
Publication of GB2388722B publication Critical patent/GB2388722B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
GB0210974A 2002-05-14 2002-05-14 Monitoring apparatus Expired - Fee Related GB2388722B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0210974A GB2388722B (en) 2002-05-14 2002-05-14 Monitoring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0210974A GB2388722B (en) 2002-05-14 2002-05-14 Monitoring apparatus

Publications (3)

Publication Number Publication Date
GB0210974D0 true GB0210974D0 (en) 2002-06-19
GB2388722A GB2388722A (en) 2003-11-19
GB2388722B GB2388722B (en) 2005-09-14

Family

ID=9936604

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0210974A Expired - Fee Related GB2388722B (en) 2002-05-14 2002-05-14 Monitoring apparatus

Country Status (1)

Country Link
GB (1) GB2388722B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014005669B4 (en) * 2014-04-19 2017-10-26 Iie Gmbh & Co. Kg Apparatus and method for operating a light generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121156A (en) * 1979-03-13 1980-09-18 Toshiba Corp Core disconnection detection unit
US4473779A (en) * 1982-05-26 1984-09-25 Area Lighting Research, Inc. Power factor measuring cut-off arrangement for and method of protecting a ballast-starter circuit from high pressure sodium lamp cycling malfunction
US4810936A (en) * 1986-12-01 1989-03-07 Hubbell Incorporated Failing lamp monitoring and deactivating circuit
JPH01292797A (en) * 1988-05-20 1989-11-27 Hitachi Ltd Fluorescent lamp lighting device
US6002214A (en) * 1997-02-12 1999-12-14 International Rectifier Corporation Phase detection control circuit for an electronic ballast
FI107111B (en) * 1999-09-27 2001-05-31 Teknoware Oy Determine the remaining operating time of the fluorescent lamp

Also Published As

Publication number Publication date
GB2388722A (en) 2003-11-19
GB2388722B (en) 2005-09-14

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Legal Events

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

Effective date: 20150514