Title:
Battery charger
United States Patent D815592


Inventors:
Lau, Ngai Eric (Burnaby, CA)
Stroud, Jonathan Eric (Surrey, CA)
Fox, James Lennox (Vancouver, CA)
Application Number:
29/565135
Publication Date:
04/17/2018
Filing Date:
05/18/2016
Assignee:
Delta-Q Technologies Corp. (Burnaby, CA)
Primary Class:
International Classes:
(IPC1-7): 1302
Field of Search:
D13/102-106, D13/107, D13/110, D13/118-119, D13/184, D13/199, D13/108, D14/251, D14/253, D14/432, D14/434
View Patent Images:
US Patent References:
D767815Ceiling light fixtureSeptember, 2016Lee
D755740Heat sinkMay, 2016ChenD13/179
20160099660BRIDGELESS RESONANT AC-DC CONVERTERS AND SYSTEMS AND CONTROL SYSTEMS THEREFORApril, 2016Khaligh et al.
D751241LampMarch, 2016Aldape
D751751Heat sink for a lighting fixtureMarch, 2016Lockart et al.
20160056730CONVERTER, CONTROLLER, AND CONTROL METHODFebruary, 2016Yan et al.
20150263605HYBRID RESONANT BRIDGELESS AC-DC POWER FACTOR CORRECTION CONVERTERSeptember, 2015Alam
20150171734AC/DC CONVERTER WITH CLAMPED BOOST AND BUCK MODES AND DC OUTPUT HARMONIC CONTROLJune, 2015Yu et al.
8937469Digital controller based detection methods for adaptive mixed conduction mode power factor correction circuitJanuary, 2015Clark et al.
8861238Isolated soft-switch single-stage AC-DC converterOctober, 2014Huang et al.
20140268952BRIDGELESS INTERLEAVED POWER FACTOR CORRECTION CIRCUIT USING A PFC INDUCTOR WITH QUAD-WINDING ON A SINGLE CORESeptember, 2014Tong
D713336Frequency converterSeptember, 2014PerinD13/110
8803489Adaptive on-time control for power factor correction stage light load efficiencyAugust, 2014Li et al.
D702376Light emitting diode lampApril, 2014Su
D703132Battery chargerApril, 2014Pearson et al.
20140056045CONTROL CIRCUIT FOR POWER CONVERTER, CONVERSION SYSTEM AND CONTROLLING METHOD THEREOFFebruary, 2014Yan et al.
D698481Wall and ceiling fixtureJanuary, 2014Wasserman et al.
8598737Synchronous switching power supplyDecember, 2013Foxall et al.
8552695Dual mode flyback converter and method of operating itOctober, 2013Stracquadaini
8546974Synchronous switching power supplyOctober, 2013Foxall et al.
D691558Equipment for distribution of electric powerOctober, 2013HelosvuoriD13/123
20130235631ZERO VOLTAGE SWITCHING INTERLEAVED BOOST AC/DC CONVERTERSeptember, 2013Pahlevaninezhad et al.
D677621ChargerMarch, 2013Beroukas et al.
D678852Heat sinkMarch, 2013Marshall
20130051102ISOLATED SOFT-SWITCH SINGLE-STAGE AC-DC CONVERTERFebruary, 2013Huang et al.
20120256606Switching CircuitOctober, 2012van den Broeke
20120249102Hybrid-switching Step-down Converter with a Hybrid TransformerOctober, 2012Cuk
D664544Router interface cardJuly, 2012Yi et al.
20120069615BRIDGELESS POWER FACTOR CORRECTION CONVERTERMarch, 2012Tomioka
D652156Light emitting diode lampJanuary, 2012Li et al.
20110292703Single-stage AC-to-DC converter with isolation and power factor correctionDecember, 2011Cuk
D651200Base stationDecember, 2011Sugime et al.
20110211377POWER FACTOR CORRECTION CONVERTERSeptember, 2011Uno
20110110127POWER FACTOR CORRECTION CIRCUITMay, 2011Lee
D638376Passive cooling elementMay, 2011Herrmann et al.
20100259240Bridgeless PFC converterOctober, 2010Cuk
20100165683Switching power supply circuitJuly, 2010Sugawara
20100110593POWER FACTOR CORRECTION CIRCUIT AND DRIVING METHOD THEREOFMay, 2010Kim et al.
D606017Convection cooled frequency converterDecember, 2009CharlsonD13/110
7616455Power factor correction using current sensing on an outputNovember, 2009Cameron et al.
D593512Heat sinkJune, 2009LinD13/179
7535716Apparatus for enclosing electronic components used in telecommunication systemsMay, 2009Fischer et al.
D571314Mini blower heat sink moduleJune, 2008HorngD13/179
D568841Enclosure for electronic componentsMay, 2008Fischer et al.
7365987Structure for heat dissipation of integrated circuit chip and display module including the sameApril, 2008Jeong
D562765DC to AC power inverter for a vehicle electrical systemFebruary, 2008Tsuzuki et al.
20080002444High-efficiency power converter systemJanuary, 2008Shekhawat et al.
D551621Power inverterSeptember, 2007Iacovelli et al.
D541743Cabinet for a frequency converterMay, 2007VirolainenD13/110
D541744Cabinet for a frequency converterMay, 2007VirolainenD13/110
D541745Cabinet for a frequency converterMay, 2007VirolainenD13/110
7198094Finned device for removing heat from an electronic componentApril, 2007Barsun et al.
7116090Switching control circuit for discontinuous mode PFC convertersOctober, 2006Yang et al.
D505915Power inverterJune, 2005Hussaini et al.
20050105311Bridge-less boost (BLB) power factor correction topology controlled with one cycle controlMay, 2005Soldano
6862201Method and circuitry for active inrush current limiter and power factor controlMarch, 2005Hodge, Jr.
6847195Auxiliary circuit for power factor corrector having self-power supplying and zero current detection mechanismsJanuary, 2005Chen
6841979Power distribution with digital current controlJanuary, 2005Berson et al.
6809678Data processor controlled DC to DC converter system and method of operationOctober, 2004Vera et al.
6736195Cooling fin arrangementMay, 2004Busch et al.
D489682Electric converterMay, 2004Guillarme
6650559Power converting deviceNovember, 2003Okamoto257/E23.103
20020149951POWER SUPPLY CIRCUIT AND METHOD OF SOFT SWITCHINGOctober, 2002Leung et al.
6462966Power supply circuit and methodOctober, 2002Leung et al.
D458228CATV housing with heat sink finsJune, 2002Jacobson
6320772Converter circuit having control means with capability to short-circuit converter outputNovember, 2001Doyama et al.
D449817InverterOctober, 2001TakeuchiD13/110
D427146Power inverterJune, 2000Wei
D427147Power inverterJune, 2000Wei
D416873Housing for outdoor electrical equipmentNovember, 1999Korsunsky et al.
D410652Outdoor transmit/receive antenna mounting enclosureJune, 1999Jones et al.
D409139Converter/chargerMay, 1999CornellD13/107
D401216Power converterNovember, 1998Person et al.
D388399Heat sinkDecember, 1997WidmayerD13/179
D381011Heat sinkJuly, 1997Widmayer et al.
D379799Heat sinkJune, 1997Widmayer et al.
D379088CATV housing with heat sink finsMay, 1997Hopper
D378915Heat sinkApril, 1997Widmayer et al.
5602462Uninterruptible power systemFebruary, 1997Stich et al.
5490057Feedback control system having predictable open-loop gainFebruary, 1996Vinciarelli et al.
D360186Motorcycle voltage regulatorJuly, 1995Netz et al.
5355300Voltage converterOctober, 1994Zinn
D351134Power converter casingOctober, 1994Hunziker
D338653Power supply moduleAugust, 1993Morgan et al.
D336074Housing for cable television equipmentJune, 1993Friend et al.
D328057Power supplyJuly, 1992Prager et al.
5077486Power supply for cathodic protection systemDecember, 1991Marson et al.
5065278Cast housing encased CATV power supply unitNovember, 1991Schultz
5034871DC to DC converter with steady control of output DC voltage by monitoring output DC currentJuly, 1991Okamoto et al.
5001620Power factor improvementMarch, 1991Smith
4885675Transformer isolated AC to DC power conditioner with resistive input currentDecember, 1989Henze et al.
D305115Power inverterDecember, 1989Kondo et al.
4559590Regulated DC to DC converterDecember, 1985Davidson
4412277AC-DC Converter having an improved power factorOctober, 1983Mitchell
3938024Converter regulation by controlled conduction overlapFebruary, 1976Clarke
D203543N/AJanuary, 1966Coe



Foreign References:
CA2806870April, 2014DIGITAL CONTROLLER BASED DETECTION METHODS FOR ADAPTIVE MIXED CONDUCTION MODE POWER FACTOR CORRECTION CIRCUIT
WO/2010/025596March, 2010HEAT SINK
Other References:
Delta-Q Technologies New Lithium-Specific Battery Charger, prnewswire.com, article published on Mar. 27, 2017, retreived on Jun. 1, 2017, retrieved from the Internet: URL Chen et al., “Digital Control for Improved Efficiency and Reduced Harmonic Distortion Over Wide Load Range in Boost PFC Rectifiers,” IEEE Transactions on Power Electronics 25(10):2683-2692, Oct. 2010.
Clark, “Digital Control Techniques for Power Quality Improvements in Power Factor Correction Applications,” master's thesis, University of British Columbia, Jul. 2012, 114 pages.
De Gussemé´ et al., “Digitally Controlled Boost Power-Factor-Correction Converts Operating in Both Continuous and Discontinuous Conduction Mode,” IEEE Transactions on Industrial Electronics 52(1):88-97, Feb. 2005.
De Gussemé´ et al., “Input-Current Distortion of CCM Boost PFC Converts Operated in DCM,” IEEE Transactions on Industrial Electronics 54(2):858-865, Apr. 2007.
De Gussemé´ et al., “Sample Correction for Digitally Controlled Boost PFC Converters Operating in both CCM and DCM,” Eighteenth Annual IEEE Applied Power Electronics Conference and Exposition 1:389-395, Feb. 9-13, 2003.
de Souza et al., “A New ZVS-PWM Unity Power Factor Rectifier with Reduced Conduction Losses,” IEEE Transactions on Power Electronics 10(6):746-752, Nov. 1995.
de Souza et al., “High Power Factor Rectifier with Reduced Conduction and Commutation Losses,” 21st International Telecommunication Energy Conference, Copenhagen, Jun. 6-9, 1999, 5 pages.
Dixon, “Average Current Mode Control of Switching Power Supplies,” Unitrode Application Note U-140, pp. 3-356-3-369, 1990.
Dixon, “Average Current Mode Control of Switching Power Supplies—Topic 5,” Unitrode Corporation, pp. 5-1-5-14, 2001, 16 pages.
Erickson et al., Fundamentals of Power Electronics, Second Edition, Kluwer Academic Publishers, Secaucus, NJ, 2001, 12 pages, Table of Contents.
Fairchild Semiconductor, “FAN7930: Critical Conduction Mode PFC Controller,” Apr. 2010, 22 pages.
Huber et al., “Performance Evaluation of Bridgeless PFC Boost Rectifiers,” IEEE Transactions on Power Electronics 23(3):1381-1390, May 2008.
Hwang et al., “Seamless Boost Converter Control in Critical Boundary Condition for Fuel Cell Power Conditioning System,” IEEE Energy Conversion Congress and Exposition, Sep. 17-22, 2011, pp. 3641-3648.
Hwang et al., “Seamless Boost Converter Control Under the Critical Boundary Condition for a Fuel Cell Power Conditioning System,” IEEE Transactions on Power Electronics 27(8):3616-3626, Aug. 2012.
Liou et al., “Design and Implementation of a Boost Power Factor Correction Stage Operated in Mixed-Condition Mode,” International Conference of Electric Information and Control Engineering (ICEICE), Apr. 15-17, 2011, pp. 2069-2072.
Maksimović´ et al., “Impact of Digital Control in Power Electronics,” Proceedings of 2004 International Symposium on Power Semiconductor Devices & ICs, Kitakyushu, pp. 13-22, 2004.
Martinez et al., “A High-Performance Single-Phase Rectifier with Input Power Factor Correction,” IEEE Transactions on Power Electronics 11(2):311-317, Mar. 1996.
Marvi et al., “A Fully ZVS Critical Conduction Mode Boost PFC,” IEEE Transactions on Power Electronics 27(4):1958-1965, Apr. 2012.
Moon et al., “Accurate Mode Boundary Detection in Digitally Controlled Boost Power Factor Correction Rectifiers,” IEEE Energy Conversion Congress and Exposition (ECCE), Sep. 12-16, 2010, pp. 1212-1217.
Moon et al., “Autotuning of Digitally Controlled Boost Power Factor Correction Rectifiers,” IEEE Transactions on Power Electronics 26(10):3006-3018, Oct. 2011.
Musavi et al., “A Phase-Shifted Gating Technique With Simplified Current Sensing for the Semi-Bridgeless AC-DC Converter,” IEEE Transactions on Vehicular Technology 62(4):1568-1576, May 2013.
Roggia et al., “Digital Control System Applied to a PFC Boost Converter Operating in Mixed Conduction Mode,” Brazilian Power Electronics Conference (COBEP), Sep. 2-Oct. 1, 2009, pp. 698-704.
Salmon, “Circuit topologies for pwm boost rectifiers operated from 1-phase and 3-phase ac supplies and using either single or split dc rail voltage outputs,” 10th Annual Applied Power Electronics Conference and Exposition, Dallas, TX, Mar. 5-9, 1995, vol. 1, pp. 473-479.
Salmon, “Circuit Topologies for Single-Phase Voltage-Doubler Boost Rectifiers,” IEEE Transactions on Power Electronics 8(4):521-529, Oct. 1993.
Sebastián et al., “The Determination of the Boundaries Between Continuous and Discontinuous Conduction Modes in PWM DC-to-DC Converters Used as Power Factor Preregulators,” IEEE Transactions on Power Electronics 10(5):574-582, Sep. 1995.
Su et al., “An Interleaved Totem-Pole Boost Bridgeless Rectifier With Reduced Reverse-Recovery Problems for Power Factor Correction,” IEEE Transactions on Power Electronics 25(6):1406-1415, Jun. 2010.
Tollik et al., “Comparative Analysis of 1-Phase Active Power Factor Correction Topologies,” 14th International Telecommunications Energy Conference, Washington, DC, Oct. 4-8, 1992, pp. 517-523.
Tsai et al., “A Family of Zero-Voltage-Transition Bridgeless Power-Factor-Correction Circuits With a Zero-Current-Switching Auxiliary Switch,” IEEE Transactions on Industrial Electronics 58(5):1848-1855, May 2011.
Van de Sype et al., “Duty-Ratio Feedforward for Digitally Controlled Boost PFC Converters,” IEEE Transactions on Industrial Electronics 52(1):108-115, Feb. 2005.
Wang, “A New Single-Phase ZCS-PWM Boost Rectifier With High Power Factor and Low Conduction Losses,” IEEE Transactions on Industrial Electronics 53(2):500-510, Apr. 2006.
Lau et al., “Battery Charger,” U.S. Appl. No. 29/530,060, filed Jun. 12, 2015, 18 pages.
Lau et al., “Battery Charger,” U.S. Appl. No. 29/535,892, filed Aug. 11, 2015, 22 pages.
Lau et al., “Battery Charger,” U.S. Appl. No. 29/586,567, filed Dec. 5, 2016, 18 pages.
Primary Examiner:
Tarcza, Rosemary K.
Assistant Examiner:
Ofstun, Alison M.
Attorney, Agent or Firm:
Seed IP Law Group LLP
Claims:
CLAIM

1. The ornamental design for a battery charger, as shown and described.

Description:

FIG. 1 is a top right-front isometric view of a battery charger, showing our new design;

FIG. 2 is a bottom left-rear isometric view thereof.

FIG. 3 is a top left-rear isometric view thereof.

FIG. 4 is a bottom right-rear isometric view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a front elevational view thereof.

FIG. 8 is a rear elevational view thereof.

FIG. 9 is a left side elevational view thereof; and,

FIG. 10 is a right side elevational view thereof.

The broken lines in the figures represent portions of the article which form no part of the claimed design.