AU2868301A - A flashlight - Google Patents

A flashlight

Info

Publication number
AU2868301A
AU2868301A AU28683/01A AU2868301A AU2868301A AU 2868301 A AU2868301 A AU 2868301A AU 28683/01 A AU28683/01 A AU 28683/01A AU 2868301 A AU2868301 A AU 2868301A AU 2868301 A AU2868301 A AU 2868301A
Authority
AU
Australia
Prior art keywords
flashlight
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.)
Abandoned
Application number
AU28683/01A
Inventor
Duncan Andrew GRANT
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.)
University of Bristol
Original Assignee
University of Bristol
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 University of Bristol filed Critical University of Bristol
Publication of AU2868301A publication Critical patent/AU2868301A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1588—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load comprising at least one synchronous rectifier element
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
AU28683/01A 2000-02-08 2001-01-29 A flashlight Abandoned AU2868301A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0002846A GB2359150A (en) 2000-02-08 2000-02-08 Controlling the output of a flashlight or torch
GB0002846 2000-02-08
PCT/GB2001/000358 WO2001060127A2 (en) 2000-02-08 2001-01-29 A flashlight

Publications (1)

Publication Number Publication Date
AU2868301A true AU2868301A (en) 2001-08-20

Family

ID=9885151

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28683/01A Abandoned AU2868301A (en) 2000-02-08 2001-01-29 A flashlight

Country Status (3)

Country Link
AU (1) AU2868301A (en)
GB (1) GB2359150A (en)
WO (1) WO2001060127A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6316880B1 (en) * 2000-02-28 2001-11-13 John H. Broadhurst Constant or variable brightness flashlight
US6768047B2 (en) * 2002-06-13 2004-07-27 Koninklijke Philips Electronics N.V. Autonomous solid state lighting system
CN2638483Y (en) * 2003-06-11 2004-09-08 悦诚贸易（国际）有限公司 Flash drive device
US7674003B2 (en) 2006-04-20 2010-03-09 Streamlight, Inc. Flashlight having plural switches and a controller
WO2009004529A2 (en) * 2007-06-29 2009-01-08 Philips Intellectual Property & Standards Gmbh Synchronous self-driven power converter
US7652216B2 (en) 2007-12-18 2010-01-26 Streamlight, Inc. Electrical switch, as for controlling a flashlight
CA2778322C (en) 2011-07-06 2018-09-04 Technologie Demtroys Inc. Method of operating a remotely-controlled switching device of an energy management system
CN103731030A (en) * 2012-10-15 2014-04-16 产晶积体电路股份有限公司 Synchronous rectification buck-boost converter
EP2747263B1 (en) 2012-12-18 2015-02-25 Dialog Semiconductor GmbH Back-up capacitor
CN104185335B (en) * 2013-05-23 2017-08-11 海洋王（东莞）照明科技有限公司 Booster type switching regulation circuit and light fixture
US9473908B2 (en) 2013-11-12 2016-10-18 Motorola Solutions, Inc. Method and apparatus for a remote speaker microphone to indicate radio battery charge state with flashlight and strobe control
DE102015111782B3 (en) * 2015-07-21 2017-01-26 Trelock Gmbh Circuit arrangement and method for signaling a low-voltage state in a lighting device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7900418A (en) * 1979-01-18 1980-07-22 Bemmel Theodorus Van DC INVERTER.
US4504776A (en) * 1980-11-12 1985-03-12 Bei Electronics, Inc. Power saving regulated light emitting diode circuit
US4499525A (en) * 1981-12-16 1985-02-12 Duracell Inc. Constant illumination flashlight
FI881690A (en) * 1988-04-12 1989-10-13 Ins Tsto Pentti Tamminen Ky OVER ANGLE INSTALLATION FOR EXPLOITATION OF LAEGSPAENNINGSSTROEMKAELLOR.
US5214353A (en) * 1989-09-22 1993-05-25 Nilssen Ole K Flashlight with boost feature
US5418433A (en) 1989-09-22 1995-05-23 Nilssen; Ole K. Flashlight with hybrid battery and electronic control circuit
GB2283586A (en) * 1993-10-26 1995-05-10 Brenda Olliver A battery and lamp economising circuit for hazard warning devices
JPH07302690A (en) * 1994-05-02 1995-11-14 Olympus Optical Co Ltd Stroboscope device
US5686797A (en) * 1994-05-24 1997-11-11 Bkl, Inc. Electronluminescent lamp inverter
JP3324386B2 (en) * 1995-06-02 2002-09-17 株式会社デンソー Vehicle discharge lamp control device
US5661645A (en) * 1996-06-27 1997-08-26 Hochstein; Peter A. Power supply for light emitting diode array
FR2774546B1 (en) * 1998-01-30 2000-04-21 Eclairage Public Beep Bureau E HIGH FREQUENCY POWER SUPPLY DEVICE FOR LIGHTING LAMPS

Also Published As

Publication number Publication date
WO2001060127A2 (en) 2001-08-16
GB0002846D0 (en) 2000-03-29
WO2001060127A3 (en) 2001-12-27
GB2359150A (en) 2001-08-15

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase