WO2010027460A3 - Battery powered lighting appliance having substantially constant light output - Google Patents

Battery powered lighting appliance having substantially constant light output Download PDF

Info

Publication number
WO2010027460A3
WO2010027460A3 PCT/US2009/004954 US2009004954W WO2010027460A3 WO 2010027460 A3 WO2010027460 A3 WO 2010027460A3 US 2009004954 W US2009004954 W US 2009004954W WO 2010027460 A3 WO2010027460 A3 WO 2010027460A3
Authority
WO
WIPO (PCT)
Prior art keywords
substantially constant
light output
lighting appliance
battery powered
constant light
Prior art date
Application number
PCT/US2009/004954
Other languages
French (fr)
Other versions
WO2010027460A2 (en
Inventor
Frank F. Huang
Original Assignee
Eveready Battery Company, Inc.
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 Eveready Battery Company, Inc. filed Critical Eveready Battery Company, Inc.
Publication of WO2010027460A2 publication Critical patent/WO2010027460A2/en
Publication of WO2010027460A3 publication Critical patent/WO2010027460A3/en

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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B47/14—Controlling the light source in response to determined parameters by determining electrical parameters of the light source
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/18—Controlling the intensity of the light using temperature feedback

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

A lighting appliance includes a contact (102) that receives power, a power regulator (112) that selectively regulates the received power and supplies regulated power to the light source based according to feedback that includes battery characteristics and light source characteristics.
PCT/US2009/004954 2008-09-02 2009-09-02 Battery powered lighting appliance having substantially constant light output WO2010027460A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9346308P 2008-09-02 2008-09-02
US61/093,463 2008-09-02

Publications (2)

Publication Number Publication Date
WO2010027460A2 WO2010027460A2 (en) 2010-03-11
WO2010027460A3 true WO2010027460A3 (en) 2010-06-17

Family

ID=41797717

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/004954 WO2010027460A2 (en) 2008-09-02 2009-09-02 Battery powered lighting appliance having substantially constant light output

Country Status (1)

Country Link
WO (1) WO2010027460A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011086067A1 (en) 2011-11-10 2013-05-16 Tridonic Gmbh & Co. Kg Emergency light device with constant power
FR3058844B1 (en) * 2016-11-17 2020-01-03 Seb S.A. ELECTRIC CIRCUIT FOR AN ELECTROPORTATIVE APPARATUS
CN111256054B (en) * 2018-11-30 2023-11-07 米沃奇电动工具公司 portable lighting device
CN212617986U (en) 2019-11-22 2021-02-26 米沃奇电动工具公司 Working lamp
USD1032902S1 (en) 2020-06-22 2024-06-25 Milwaukee Electric Tool Corporation Work light
CN112996181B (en) * 2021-02-07 2023-04-07 福建师范大学 Automatic power adjusting method for constant-current driving type LED

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04237583A (en) * 1991-01-22 1992-08-26 Matsushita Electric Ind Co Ltd Light output generator
JP2002281677A (en) * 2001-03-16 2002-09-27 Matsushita Electric Ind Co Ltd Method and device for controlling battery power supply
JP2004039288A (en) * 2002-06-28 2004-02-05 Matsushita Electric Works Ltd Lighting device
KR20040043060A (en) * 2002-11-15 2004-05-22 엘지전자 주식회사 A circuit for controlling lamp of LCD monitor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04237583A (en) * 1991-01-22 1992-08-26 Matsushita Electric Ind Co Ltd Light output generator
JP2002281677A (en) * 2001-03-16 2002-09-27 Matsushita Electric Ind Co Ltd Method and device for controlling battery power supply
JP2004039288A (en) * 2002-06-28 2004-02-05 Matsushita Electric Works Ltd Lighting device
KR20040043060A (en) * 2002-11-15 2004-05-22 엘지전자 주식회사 A circuit for controlling lamp of LCD monitor

Also Published As

Publication number Publication date
WO2010027460A2 (en) 2010-03-11

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