Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.


Search All Patents:



  This Patent May Be For Sale or Lease. Contact Us

  Is This Your Patent? Claim This Patent Now.



Register or Login To Download This Patent As A PDF




United States Patent D815,592
Lau ,   et al. April 17, 2018

Battery charger

Claims


CLAIM The ornamental design for a battery charger, as shown and described.
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/565,135
Filed: May 18, 2016

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

References Cited [Referenced By]

U.S. Patent Documents
D203543 January 1966 Coe
3938024 February 1976 Clarke
4412277 October 1983 Mitchell
4559590 December 1985 Davidson
D305115 December 1989 Kondo et al.
4885675 December 1989 Henze et al.
5001620 March 1991 Smith
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.
D351134 October 1994 Hunziker
5355300 October 1994 Zinn
D360186 July 1995 Netz et al.
5490057 February 1996 Vinciarelli et al.
5602462 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
D401216 November 1998 Person et al.
D409139 May 1999 Cornell
D410652 June 1999 Jones et al.
D416873 November 1999 Korsunsky et al.
D427146 June 2000 Wei
D427147 June 2000 Wei
D449817 October 2001 Takeuchi
6320772 November 2001 Doyama et al.
D458228 June 2002 Jacobson
6462966 October 2002 Leung et al.
6650559 November 2003 Okamoto
D489682 May 2004 Guillarme
6736195 May 2004 Busch et al.
6809678 October 2004 Vera et al.
6841979 January 2005 Berson et al.
6847195 January 2005 Chen
6862201 March 2005 Hodge, Jr.
D505915 June 2005 Hussaini et al.
7116090 October 2006 Yang et al.
7198094 April 2007 Barsun et al.
D541743 May 2007 Virolainen
D541744 May 2007 Virolainen
D541745 May 2007 Virolainen
D551621 September 2007 Iacovelli 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
D638376 May 2011 Herrmann et al.
D651200 December 2011 Sugime et al.
D652156 January 2012 Li et al.
D664544 July 2012 Yi et al.
D677621 March 2013 Beroukas et al.
D678852 March 2013 Marshall
D691558 October 2013 Helosvuori
8546974 October 2013 Foxall et al.
8552695 October 2013 Stracquadaini
8598737 December 2013 Foxall et al.
D698481 January 2014 Wasserman et al.
D702376 April 2014 Su
D703132 April 2014 Pearson et al.
8803489 August 2014 Li et al.
D713336 September 2014 Perin
8861238 October 2014 Huang et al.
8937469 January 2015 Clark et al.
D751241 March 2016 Aldape
D751751 March 2016 Lockart et al.
D755740 May 2016 Chen
D767815 September 2016 Lee
2002/0149951 October 2002 Leung et al.
2005/0105311 May 2005 Soldano
2008/0002444 January 2008 Shekhawat et al.
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
2011/0292703 December 2011 Cuk
2012/0069615 March 2012 Tomioka
2012/0249102 October 2012 Cuk
2012/0256606 October 2012 van den Broeke
2013/0051102 February 2013 Huang et al.
2013/0235631 September 2013 Pahlevaninezhad et al.
2014/0056045 February 2014 Yan et al.
2014/0268952 September 2014 Tong
2015/0171734 June 2015 Yu et al.
2015/0263605 September 2015 Alam
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

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<http://www.prnewswire.com/news-releases/delta-q-technologies-intro- duces-new-lithium-specific-battery-charger-at-promat-2017-617167523.html. cited by examiner .
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 .
Dixon, "Average Current Mode Control of Switching Power Supplies," Unitrode Application Note U-140, pp. 3-356-3-369, 1990. 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 .
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 .
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. 29/586,567, filed Dec. 5, 2016, 18 pages. cited by applicant.

Primary Examiner: Tarcza; Rosemary K
Assistant Examiner: Ofstun; Alison M
Attorney, Agent or Firm: Seed IP Law Group LLP

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.

* * * * *

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.