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Extract from the Register of European Patents

EP About this file: EP3820140

EP3820140 - TIME-DIVISION-MULTIPLEXING-BASED LIGHT-SUPPLEMENTING IMAGING APPARATUS AND METHOD [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  01.02.2024
Database last updated on 14.06.2024
FormerRequest for examination was made
Status updated on  09.04.2021
FormerThe international publication has been made
Status updated on  08.02.2020
Most recent event   Tooltip29.05.2024New entry: Reply to examination report 
Applicant(s)For all designated states
HUAWEI TECHNOLOGIES CO., LTD.
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
[2021/19]
Inventor(s)01 / LI, Ruihua
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
02 / LAI, Changcai
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
03 / WANG, Qingping
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
04 / HU, Hongqi
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
05 / CHEN, Xiaolei
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
 [2021/19]
Representative(s)MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Strasse 29
80336 München / DE
[2021/19]
Application number, filing date19844180.019.04.2019
[2021/19]
WO2019CN83526
Priority number, dateCN20181085381330.07.2018         Original published format: CN201810853813
[2021/19]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020024623
Date:06.02.2020
Language:ZH
[2020/06]
Type: A1 Application with search report 
No.:EP3820140
Date:12.05.2021
Language:EN
[2021/19]
Search report(s)International search report - published on:CN06.02.2020
(Supplementary) European search report - dispatched on:EP01.10.2021
ClassificationIPC:H04N5/235, H04N5/225, H04N5/33, H04N5/265
[2021/30]
CPC:
H04N5/265 (EP); H04N23/70 (CN); H04N23/741 (EP,US);
H04N23/55 (EP); H04N23/56 (EP); H04N23/71 (EP,US);
H04N23/74 (EP); H04N5/38 (US) (-)
Former IPC [2021/19]H04N5/235
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2021/19]
TitleGerman:AUF ZEITMULTIPLEX BASIERENDE LICHTERGÄNZENDE BILDGEBUNGSVORRICHTUNG UND VERFAHREN[2021/19]
English:TIME-DIVISION-MULTIPLEXING-BASED LIGHT-SUPPLEMENTING IMAGING APPARATUS AND METHOD[2021/19]
French:APPAREIL ET PROCÉDÉ D'IMAGERIE À AUGMENTATION DE LUMIÈRE À BASE DE MULTIPLEXAGE TEMPOREL[2021/19]
Entry into regional phase08.02.2021Translation filed 
08.02.2021National basic fee paid 
08.02.2021Search fee paid 
08.02.2021Designation fee(s) paid 
08.02.2021Examination fee paid 
Examination procedure08.02.2021Examination requested  [2021/19]
26.04.2022Amendment by applicant (claims and/or description)
31.01.2024Despatch of a communication from the examining division (Time limit: M04)
29.05.2024Reply to a communication from the examining division
Fees paidRenewal fee
30.04.2021Renewal fee patent year 03
10.03.2022Renewal fee patent year 04
24.03.2023Renewal fee patent year 05
30.04.2024Renewal fee patent year 06
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Documents cited:Search[Y]US2010141770  (GOMI KEIZO [JP]) [Y] 3,4 * paragraph [0099] - paragraph [0100] ** figures 9A-9B *;
 [XYI]CN107566747  (ZHEJIANG DAHUA TECHNOLOGY CO) [X] 1,2,5-9,11,14,15 * paragraph [0033] - paragraph [0146] * * figures 1-7 * [Y] 3,4 [I] 10;
 [P]WO2019057170  (ZHEJIANG DAHUA TECHNOLOGY CO [CN]) [P] * used as a translation *
International search[A]US4887121  (PRITCHARD JEFFREY A [US]) [A] 1-26* entire document *;
 [X]CN107566747  (ZHEJIANG DAHUA TECHNOLOGY CO) [X] 1, 2, 5-17, 20-26 * description, paragraphs [0003], [0046]-[0050], [0067]-[0072] and [0088]-[0111], and figure 3 *;
 [Y]CN107566747  (ZHEJIANG DAHUA TECHNOLOGY CO) [Y] 3, 4, 18, 19 * description, paragraphs [0003], [0046]-[0050], [0067]-[0072] and [0088]-[0111], and figure 3 *;
 [Y]CN207248354U  (SHAOXING JINGHENG OPTOELECTRONIC TECH CO LTD) [Y] 3, 4, 18, 19 * description, paragraph [0019] *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.