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1. WO2018132342 - SWITCHING STRATEGY FOR INCREASED EFFICIENCY OF POWER CONVERTERS


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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/US2018/012861 316034-1
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
09 January 2018 13 January 2017
Applicant
GENERAL ELECTRIC COMPANY
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     7    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     H02M 5/458 (2006.01)i; H02M 7/5387 (2007.01)i; H02M 1/08 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility models
Japanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: converter, isolation transformer, switch, output voltage

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
JP 2015-133814 A (SUMITOMO ELECTRIC IND., LTD.) 23 July 2015 See paragraphs 28-31, 40-41, 47-48 and figures 2, 6-8.
1,9-13
Y
2-8,14-20
(2)
Y
MAREK ADAMOWICZ et al., Hybrid High-frequency-SiC and Line-frequency-Si based PEBB for MV Modular Power Converters, 38th Annual Conference on IEEE Industrial Electronics Society, October 2012, pages 5197-5202 See pages 5199, 5201 and figures 10-11.
2,20
(3)
Y
KR 10-2013-0099022 A (SAMSUNG SDI CO., LTD.) 05 September 2013 See paragraphs 30-35 and figure 1.
3-8,14-20
(4)
Y
US 2009-0278405 A1 (CONSTANTIN C. STANCU et al.) 12 November 2009 See paragraph 30 and figure 3.
7-8,18-19
(5)
Y
KR 10-2009-0039393 A (PLASPO CO., LTD.) 22 April 2009 See abstract, paragraphs 16-17, claim 1, and figure 1.
20
(6)
A
US 2016-0352230 A1 (HITACHI, LTD.) 01 December 2016 See the entire document.
1-20
(7)
A
EP 0780750 A2 (SHARP KABUSHIKI KAISHA) 25 June 1997 See the entire document.
1-20
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
JP 2015-133814 A
23 July 2015
CN 105934874 A
EP 3093973 A1
JP 6176121 B2
KR 10-2016-0106090 A
TW 201539967 A
US 2016-0336873 A1
US 9748865 B2
WO 2015-105069 A1
07 September 2016
16 November 2016
09 August 2017
09 September 2016
16 October 2015
17 November 2016
29 August 2017
16 July 2015
KR 10-2013-0099022 A
05 September 2013
CN 103155335 A
EP 2622704 A1
JP 2013-540413 A
JP 5676767 B2
US 2013-0181519 A1
WO 2012-043919 A1
12 June 2013
07 August 2013
31 October 2013
25 February 2015
18 July 2013
05 April 2012
US 2009-0278405 A1
12 November 2009
CN 101577490 A
DE 102009002430 A1
US 7936083 B2
11 November 2009
14 January 2010
03 May 2011
KR 10-2009-0039393 A
22 April 2009
None
US 2016-0352230 A1
01 December 2016
EP 3099153 A1
EP 3099153 B1
JP 2016-220482 A
US 9750125 B2
30 November 2016
16 August 2017
22 December 2016
29 August 2017
EP 0780750 A2
25 June 1997
DE 69620124 T2
EP 0780750 A3
EP 0780750 B1
JP 09-172780 A
JP 10-133755 A
JP 3111273 B2
JP 3404620 B2
US 5719758 A
31 October 2002
31 March 1999
27 March 2002
30 June 1997
22 May 1998
20 November 2000
12 May 2003
17 February 1998
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
14 March 2018
Date of mailing of the international search report:
14 March 2018
Authorized officer:
PARK, Hye Lyun
Telephone No. +82-42-481-3463
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