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GB2264379B - Electrical apparatus - Google Patents

Electrical apparatus

Info

Publication number
GB2264379B
GB2264379B GB9301563A GB9301563A GB2264379B GB 2264379 B GB2264379 B GB 2264379B GB 9301563 A GB9301563 A GB 9301563A GB 9301563 A GB9301563 A GB 9301563A GB 2264379 B GB2264379 B GB 2264379B
Authority
GB
United Kingdom
Prior art keywords
electrical apparatus
electrical
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
GB9301563A
Other versions
GB9301563D0 (en
GB2264379A (en
Inventor
George Heftman
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 GB929203819A external-priority patent/GB9203819D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB9301563A priority Critical patent/GB2264379B/en
Publication of GB9301563D0 publication Critical patent/GB9301563D0/en
Publication of GB2264379A publication Critical patent/GB2264379A/en
Application granted granted Critical
Publication of GB2264379B publication Critical patent/GB2264379B/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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • 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
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • 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
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/13—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
GB9301563A 1992-02-22 1993-01-27 Electrical apparatus Expired - Fee Related GB2264379B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9301563A GB2264379B (en) 1992-02-22 1993-01-27 Electrical apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929203819A GB9203819D0 (en) 1992-02-22 1992-02-22 Electrical apparatus
GB9301563A GB2264379B (en) 1992-02-22 1993-01-27 Electrical apparatus

Publications (3)

Publication Number Publication Date
GB9301563D0 GB9301563D0 (en) 1993-03-17
GB2264379A GB2264379A (en) 1993-08-25
GB2264379B true GB2264379B (en) 1995-06-07

Family

ID=26300367

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9301563A Expired - Fee Related GB2264379B (en) 1992-02-22 1993-01-27 Electrical apparatus

Country Status (1)

Country Link
GB (1) GB2264379B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2296117A1 (en) * 1997-06-17 1998-10-01 Bohringer Kunststofftechnik Gmbh Inside lighting circuit for a vehicle
DE29918578U1 (en) * 1999-10-21 1999-12-30 Hsieh, Chin-Mu, Yungkang, Tainan Control system for lighting a room

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141853A (en) * 1983-04-29 1985-01-03 Edward Desmond Bishop Improvements in or relating to automatic light switches
EP0285427A2 (en) * 1987-04-02 1988-10-05 Anderson Research And Development Limited Switching apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141853A (en) * 1983-04-29 1985-01-03 Edward Desmond Bishop Improvements in or relating to automatic light switches
EP0285427A2 (en) * 1987-04-02 1988-10-05 Anderson Research And Development Limited Switching apparatus

Also Published As

Publication number Publication date
GB9301563D0 (en) 1993-03-17
GB2264379A (en) 1993-08-25

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Legal Events

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

Effective date: 19970127