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International application No. Applicant's or agent's file reference
PCT/US2018/053762 0059-517WO1
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
01 October 2018 29 September 2017
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)).
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)).
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
The figure of the drawings to be published with the abstract is Figure No.     4A    
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.
none of the figures is to be published with the abstract.


     G02B 27/01 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


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:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
EP 0669011 B1 (HONEYWELL INC [US]) 14 January 1998 (1998-01-14)
column 3, lines 4-10
column 3, line 22 - line 55
column 4, line 4 - line 7
column 4, line 33 - line 36
figure 3
EP 0722109 A1 (HUGHES AIRCRAFT CO [US]) 17 July 1996 (1996-07-17)
column 1, line 7 - line 8
column 4, line 1 - line 4
column 5, line 2 - line 13
column 5, line 38 - line 39
figure 3
US 5162828 A (FURNESS THOMAS A [US] ET AL) 10 November 1992 (1992-11-10)
figures 4,7,8
US 7515345 B2 (DRS SENSORS & TARGETING SYS [US]) 07 April 2009 (2009-04-07)
column 4, line 41 - line 43
column 16, line 27 - line 65
figure 16
US 5044706 A (CHEN CHUNGTE W [US]) 03 September 1991 (1991-09-03)
column 2, line 57 - line 60
figures 2,3
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
earlier application or patent but published on or after the international filing date
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)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
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
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
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


Patent document cited in search report Publication date
Patent family member(s) Publication date
EP 0669011 B1
14 January 1998
DE 69316389 D1
DE 69316389 T2
EP 0669011 A1
IL 107545 A
JP H08503559 A
US 5299063 A
WO 9411773 A1
19 February 1998
18 June 1998
30 August 1995
18 June 1996
16 April 1996
29 March 1994
26 May 1994
EP 0722109 A1
17 July 1996
DE 69608317 D1
DE 69608317 T2
EP 0722109 A1
IL 116691 A
JP 2915337 B2
JP H08262366 A
KR 100239595 B1
TW 315073 U
US 5677795 A
US 5835277 A
21 June 2000
15 February 2001
17 July 1996
22 February 1998
05 July 1999
11 October 1996
15 January 2000
01 September 1997
14 October 1997
10 November 1998
US 5162828 A
10 November 1992
AU 8103387 A
DE 3789236 D1
DE 3789236 T2
EP 0326574 A1
JP H1167 U
JP H02500216 A
US 4757714 A
US 5162828 A
WO 8802494 A1
21 April 1988
07 April 1994
09 June 1994
09 August 1989
02 June 1999
25 January 1990
19 July 1988
10 November 1992
07 April 1988
US 7515345 B2
07 April 2009
US 5044706 A
03 September 1991
DE 69117997 D1
DE 69117997 T2
EP 0441206 A1
ES 2084717 T3
IL 96953 A
JP H04213421 A
TR 25841 A
US 5044706 A
25 April 1996
01 August 1996
14 August 1991
16 May 1996
04 April 1993
04 August 1992
01 September 1993
03 September 1991
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
10 January 2019
Date of mailing of the international search report:
21 January 2019
Authorized officer:
Denise, Christophe
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