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1. WO2020192451 - PROCÉDÉ ET APPAREIL DE PROJECTION D'IMAGE EN TEMPS RÉEL POUR ÉCRAN DE LUNETTES À RA, CONTRÔLEUR ET SUPPORT


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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/CN2020/079222 HDP190033PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
13 March 2020 22 March 2019
Applicant
YUTOU TECHNOLOGY (HANGZHOU) CO. LTD.
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.     2    
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

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):
     H04N; G06F; G06T
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
CNPAT, CNKI, WPI, EPODOC, IEEE:AR, headset, glass, augmented reality, UI, user interface, send, synthetic, display, screen, primary, extended, main, canvas,MR, mixed reality, HMD, head mount display, layer

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
Y
US 10168788 B2 (GETGO, INC.) 01 January 2019 (2019-01-01)
1-18
description, column 1 line 44 to column 10 line 2
(2)
Y
US 2019075266 A1 (SAMSUNG ELECTRONICS CO., LTD.) 07 March 2019 (2019-03-07)
1-18
description paragraphs [0050]-[0051]
(3)
A
CN 106997618 A (CHEN,LIUHUA) 01 August 2017 (2017-08-01)
1-18
the whole document
(4)
A
CN 106133645 A (SONY COMPUTER ENTERTAINMENT AMERICA LLC.) 16 November 2016 (2016-11-16)
1-18
the whole document
(5)
A
CN 108924538 A (TAIRUO TECHNOLOGY BEIJING CO.,LTD.) 30 November 2018 (2018-11-30)
1-18
the whole document
(6)
A
US 2018275766 A1 (MINDMAZE HOLDIING SA) 27 September 2018 (2018-09-27)
1-18
the whole document
*
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)
US 10168788 B2
01 January 2019
US 2018173315 A1
21 June 2018
US 2019075266 A1
07 March 2019
EP 3635525 A4
WO 2019045491 A2
EP 3635525 A2
WO 2019045491 A3
KR 20190026267 A
15 April 2020
07 March 2019
15 April 2020
04 April 2019
13 March 2019
CN 106997618 A
01 August 2017
None
CN 106133645 A
16 November 2016
BR 112016014304 A2
US 2015205106 A1
RU 2661808 C2
JP 6526054 B2
RU 2016130682 A
US 10001645 B2
WO 2015108887 A1
MX 2016009311 A
MX 360221 B
CN 106133645 B
JP 2017511943 A
CA 2933749 C
CA 2933749 A1
EP 3095024 A1
WO 2015108887 A8
17 July 2018
23 July 2015
19 July 2018
05 June 2019
22 February 2018
19 June 2018
23 July 2015
07 October 2016
25 October 2018
27 December 2019
27 April 2017
04 December 2018
23 July 2015
23 November 2016
03 November 2016
CN 108924538 A
30 November 2018
None
US 2018275766 A1
27 September 2018
None
Name and mailing address of the ISA/:
National Intellectual Property Administration, PRC
6, Xitucheng Rd., Jimen Bridge, Haidian District, Beijing 100088
China
Facsimile No. (86-10)62019451
Date of the actual completion of the international search:
01 June 2020
Date of mailing of the international search report:
17 June 2020
Authorized officer:
GONG,Jinling
Telephone No. 86-(10)-53961810
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