Battery charger

Description

FIG. 1 is a top right-front perspective 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.

Claims

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

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Inventors:	Lau; Ngai Eric (Burnaby, CA), Stroud; Jonathan Eric (Surrey, CA), Fox; James Lennox (Vancouver, CA)
Applicant:	Name City State Country Type Delta-Q Technologies Corp. Burnaby N/A CA
Assignee:	DELTA-Q TECHNOLOGIES CORP. (Burnaby, CA)
Appl. No.:	D/640,834
Filed:	March 16, 2018

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	29565135	May 18, 2016	D815592

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Current U.S. Class:	D13/107
Current International Class:	1302
Field of Search:	;D13/102-106,107,108,110,118-119,184,199 ;D14/251,253,432,434

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References Cited [Referenced By]

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U.S. Patent Documents

D203543	January 1966	Coe
3938024	February 1976	Clarke
4412277	October 1983	Mitchell
4559590	December 1985	Dacidson
D287718	January 1987	Moeller
D292914	November 1987	Moeller
D305115	December 1989	Kondo
4885590	December 1989	Henze et al.
5001620	March 1991	Smit
5034871	July 1991	Okamoto et al.
5065278	November 1991	Schultz
5077486	December 1991	Marson et al.
D328057	July 1992	Prager et al.
D336074	June 1993	Friend et al.
D338653	August 1993	Morgan et al.
D348869	July 1994	Egger et al.
D351134	October 1994	Hunziker
5355300	October 1994	Zinn
D358753	May 1995	Yoshida et al.
D360186	July 1995	Netz et al.
5490057	February 1996	Vinciarelli et al.
5602492	February 1997	Stich et al.
D378915	April 1997	Widmayer et al.
D379088	May 1997	Hopper
D379799	June 1997	Widmayer et al.
D381011	July 1997	Widmayer et al.
D388399	December 1997	Widmayer et al.
D398589	September 1998	Dodson
D401216	November 1998	Person et al.
D409138	May 1999	Gammenthaler
D409139	May 1999	Cornell et al.
D410652	June 1999	Jones et al.
D416873	November 1999	Korsunsky et al.
D427146	June 2000	Wei
D427147	June 2000	Wei
6076594	June 2000	Kuo
D449587	October 2001	Cronin
D449817	October 2001	Takeuchi et al.
6307747	October 2001	Farnsworth
6320772	November 2001	Doyama et al.
D458228	June 2002	Jacobson
6462966	October 2002	Leung et al.
6650559	November 2003	Okamoto et al.
6671172	December 2003	Carter
D489682	May 2004	Guillarme
6736195	May 2004	Busch et al.
6809678	October 2004	Very et al.
6841979	January 2005	Berson et al.
6847195	January 2005	Chen
6862201	March 2005	Hodge, Jr.
D505915	June 2005	Hussaini et al.
D507528	July 2005	Feldman et al.
D510320	October 2005	Tuomola et al.
7116090	October 2006	Yang et al.
7198094	April 2007	Barsun et al.
D541743	May 2007	Virolainen et al.
D541744	May 2007	Virolainen et al.
D541745	May 2007	Virolainen et al.
D546282	July 2007	Wardenburg
D551621	September 2007	Iacovelli et al.
D559778	January 2008	Tsuzuki et al.
D562765	February 2008	Tsuzuki et al.
7365987	April 2008	Jeong
D568841	May 2008	Fischer et al.
D571314	June 2008	Horng
7535716	May 2009	Fischer et al.
D593512	June 2009	Lin
7616455	November 2009	Cameron et al.
D606017	December 2009	Charlson et al.
D621812	August 2010	Wayman
D638376	May 2011	Herrmann et al.
7983043	July 2011	Xu
D651200	December 2011	Sugime et al.
D652156	January 2012	Li et al.
D661008	May 2012	Yuan
D662880	July 2012	Scott et al.
D664544	July 2012	Yi et al.
D667789	September 2012	O'Neil
D672730	December 2012	Lin
D675622	February 2013	Petrick et al.
D677621	March 2013	Beroukas et al.
D678852	March 2013	Marshall
D682207	May 2013	Nakahira et al.
D684130	June 2013	Vincent et al.
D691558	October 2013	Helosvouri et al.
8546974	October 2013	Foxall et al.
8552695	October 2013	Stacquadaini
8598737	December 2013	Foxall et al.
D698481	January 2014	Wasserman et al.
D702376	April 2014	Su
D703132	April 2014	Pearson et al.
D705728	May 2014	Choi
D706216	June 2014	Perin
8803489	August 2014	Li et al.
D713336	September 2014	Perin
8861238	October 2014	Huang et al.
8937469	January 2015	Clark et al.
D722958	February 2015	Kotaniemi et al.
D726141	April 2015	Wilson
D730333	May 2015	Matsumoto
9028096	May 2015	Verdes et al.
D734250	July 2015	Rennick
D739347	September 2015	Huang et al.
D751241	March 2016	Aldape
D751751	March 2016	Lockart et al.
D755740	May 2016	Chen et al.
D761472	July 2016	Zhu
D761729	July 2016	Leong
D767815	September 2016	Lee
D768585	October 2016	Moore et al.
D770975	November 2016	Nada et al.
9490694	November 2016	Alam
D793350	August 2017	Kenchappa
D796431	September 2017	Lau et al.
D804434	December 2017	Lu
D805473	December 2017	Montgomery et al.
D805486	December 2017	Hochman et al.
D806647	January 2018	Lau et al.
D815592	April 2018	Lau
D828294	September 2018	Lau
D829649	October 2018	Lau
2004/0240182	December 2004	Shah
2005/0061480	March 2005	Carter
2005/0105311	May 2005	Soldano
2007/0014089	January 2007	Huang
2007/0131387	June 2007	Kawabata et al.
2008/0002444	January 2008	Shekhawat et al.
2008/0295993	December 2008	Chen
2010/0110593	May 2010	Kim et al.
2010/0165683	July 2010	Sugawara
2010/0259240	October 2010	Cuk
2011/0110127	May 2011	Lee
2011/0211377	September 2011	Uno
2011/0286216	November 2011	Araman
2011/0292703	December 2011	Cuk
2012/0069615	March 2012	Tomioka
2012/0249102	October 2012	Cuk
2012/0256606	October 2012	Van Den Brioke
2013/0235631	September 2013	Pahlevaninezhad et al.
2014/0056045	February 2014	Yan et al.
2014/0268952	September 2014	Tong
2015/0171734	June 2015	Tu et al.
2016/0056730	February 2016	Yan et al.
2016/0099660	April 2016	Khaligh et al.

Foreign Patent Documents

	2 806 870		Apr 2014		CA
	2010/025596		Mar 2010		WO

Other References

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. cited by applicant . Clark, "Digital Control Techniques for Power Quality Improvements in Power Factor Correction Applications," Master's Thesis, University of British Columbia, Jul. 2012, 114 pages. cited by applicant . De Gusseme 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. cited by applicant . De Gusseme et al., "Input-Current Distortion of CCM Boost PFC Converts Operated in DCM," IEEE Transactions on Industrial Electronics 54(2):858-865, Apr. 2007. cited by applicant . De Gusseme 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. cited by applicant . 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. cited by applicant . de Souza et al., "High Power Factor Rectifier with Reduced Conduction and Commutation Losses," 21.sup.st International Telecommunication Energy Conference, Copenhagen, Jun. 6-9, 1999, 5 pages. cited by applicant . Delta-Q Technologies Corp., "Delta-Q Technologies Introduces New Lithium-Specific Battery Charger at ProMAT 2017," published Mar. 27, 2017, retrieved from http://www.prnewswire.com/news-releases/delta-q-technologoes-introduces-n- ew-lithium-specific-battery-charger-at-promat-2017-617167523.htm on Jun. 1, 2017, 3 pages. cited by applicant . Dixon, "Average Current Mode Control of Switching Power Supplies," Unitrode Application Note U-140, pp. 3-356-3-369, 1990. (14 pages). cited by applicant . Dixon, "Average Current Mode Control of Switching Power Supplies--Topic 5," Unitrode Corporation, pp. 5-1-5-14, 2001. (16 pages). cited by applicant . Erickson et al., Fundamentals of Power Electronics, Second Edition, Kluwer Academic Publishers, Secaucus, NJ, 2001, 12 pages, Table of Contents. cited by applicant . Fairchild Semiconductor, "FAN7930: Critical Conduction Mode PFC Controller," Apr. 2010, 22 pages. cited by applicant . Huber et al., "Performance Evaluation of Bridgeless PFC Boost Rectifiers," IEEE Transactions on Power Electronics 23(3):1381-1390, May 2008. cited by applicant . 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. cited by applicant . 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. cited by applicant . Lau et al., "Battery Charger," U.S. Appl. No. 29/530,060, filed Jun. 12, 2015, 18 pages. cited by applicant . Lau et al., "Battery Charger," U.S. Appl. No. 29/535,892, filed Aug. 11, 2015, 22 pages. cited by applicant . Lau et al., "Battery Charger," U.S. Appl. No. 29/565,135, filed May 18, 2016, 26 pages. cited by applicant . Lau et al., "Battery Charger," U.S. Appl. No. 29/586,567, filed Dec. 5, 2016, 18 pages. cited by applicant . 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. cited by applicant . Maksimovi et al., "Impact of Digital Control in Power Electronics," Proceedings of 2004 International Symposium on Power Semiconductor Devices & ICs, Kitakyushu, pp. 13-22, 2004. cited by applicant . 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. cited by applicant . Marvi et al., "A Fully ZVS Critical Conduction Mode Boost PFC," IEEE Transactions on Power Electronics 27(4):1958-1965, Apr. 2012. cited by applicant . 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. cited by applicant . Moon et al., "Autotuning of Digitally Controlled Boost Power Factor Correction Rectifiers," IEEE Transactions on Power Electronics 26(10):3006-3018, Oct. 2011. cited by applicant . 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. cited by applicant . 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. cited by applicant . 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," 10.sup.th Annual Applied Power Electronics Conference and Exposition, Dallas, TX, Mar. 5-9, 1995, vol. 1, pp. 473-479. cited by applicant . Salmon, "Circuit Topologies for Single-Phase Voltage-Doubler Boost Rectifiers," IEEE Transactions on Power Electronics 8(4):521-529, Oct. 1993. cited by applicant . Sebastian 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. cited by applicant . 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. cited by applicant . Tollik et al., "Comparative Analysis of 1-Phase Active Power Factor Correction Topologies," 14.sup.th International Telecommunications Energy Conference, Washington, DC, Oct. 4-8, 1992, pp. 517-523. cited by applicant . 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. cited by applicant . 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. cited by applicant . 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. cited by applicant.

Primary Examiner: Rivard; Jennifer
Assistant Examiner: Ofstun; Alison M
Attorney, Agent or Firm: Seed IP Law Group LLP

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