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Extract from the Register of European Patents

EP About this file: EP4040391

EP4040391 - METHOD FOR CALIBRATING 3D CAMERA BY EMPLOYING CALIBRATED 2D CAMERA [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.04.2025
Database last updated on 14.03.2026
FormerThe patent has been granted
Status updated on  27.04.2024
FormerGrant of patent is intended
Status updated on  25.01.2024
FormerRequest for examination was made
Status updated on  08.07.2022
Most recent event   Tooltip23.01.2026Lapse of the patent in a contracting state
New state(s): IE		published on 25.02.2026  [2026/09]
Applicant(s)For all designated states
Techman Robot Inc.
4F No.188, Wenhua 2nd Rd
Guishan Dist.
Taoyuan City 333 / TW
[2022/32]
Inventor(s)01 / Huang, Chung-Hsien
Taoyuan City 333 / TW
 [2022/32]
Representative(s)Straus, Alexander
2K Patentanwälte - München
Bajuwarenring 14
82041 Oberhaching / DE
[N/P]
Former [2022/32]Straus, Alexander
2K Patent- und Rechtsanwälte - München
Keltenring 9
82041 Oberhaching / DE
Application number, filing date21156089.109.02.2021
[2022/32]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4040391
Date:10.08.2022
Language:EN
[2022/32]
Type: B1 Patent specification 
No.:EP4040391
Date:29.05.2024
Language:EN
[2024/22]
Search report(s)(Supplementary) European search report - dispatched on:EP29.07.2021
ClassificationIPC:G06T7/80
[2022/32]
CPC:
G06T7/80 (EP); G06T2207/10024 (EP); G06T2207/10028 (EP)
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 [2022/32]  
TitleGerman:VERFAHREN ZUR KALIBRIERUNG EINER 3D-KAMERA UNTER VERWENDUNG EINER KALIBRIERTEN 2D-KAMERA[2022/32]
English:METHOD FOR CALIBRATING 3D CAMERA BY EMPLOYING CALIBRATED 2D CAMERA[2022/32]
French:PROCÉDÉ D'ÉTALONNAGE D'UNE CAMÉRA 3D À L'AIDE D'UNE CAMÉRA 2D ÉTALONNÉE[2022/32]
Examination procedure16.11.2021Amendment by applicant (claims and/or description)
16.11.2021Examination requested  [2022/32]
16.11.2021Date on which the examining division has become responsible
26.01.2024Communication of intention to grant the patent
19.04.2024Fee for grant paid
19.04.2024Fee for publishing/printing paid
19.04.2024Receipt of the translation of the claim(s)
Opposition(s)03.03.2025No opposition filed within time limit [2025/19]
Fees paidRenewal fee
27.02.2023Renewal fee patent year 03
27.02.2024Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipCZ29.05.2024
ES29.05.2024
HR29.05.2024
MC29.05.2024
PL29.05.2024
RO29.05.2024
SK29.05.2024
SM29.05.2024
NO29.08.2024
RS29.08.2024
GR30.08.2024
IS29.09.2024
GB09.02.2025
IE09.02.2025
CH28.02.2025
[2026/09]
Former [2026/08]CZ29.05.2024
ES29.05.2024
HR29.05.2024
MC29.05.2024
PL29.05.2024
RO29.05.2024
SK29.05.2024
SM29.05.2024
NO29.08.2024
RS29.08.2024
GR30.08.2024
IS29.09.2024
GB09.02.2025
CH28.02.2025
Former [2025/48]CZ29.05.2024
ES29.05.2024
HR29.05.2024
MC29.05.2024
PL29.05.2024
RO29.05.2024
SK29.05.2024
SM29.05.2024
NO29.08.2024
RS29.08.2024
GR30.08.2024
IS29.09.2024
CH28.02.2025
Former [2025/43]CZ29.05.2024
ES29.05.2024
HR29.05.2024
MC29.05.2024
PL29.05.2024
RO29.05.2024
SK29.05.2024
SM29.05.2024
NO29.08.2024
RS29.08.2024
GR30.08.2024
IS29.09.2024
Former [2025/10]CZ29.05.2024
ES29.05.2024
HR29.05.2024
PL29.05.2024
RO29.05.2024
SK29.05.2024
SM29.05.2024
NO29.08.2024
RS29.08.2024
GR30.08.2024
IS29.09.2024
Former [2024/49]ES29.05.2024
HR29.05.2024
PL29.05.2024
NO29.08.2024
RS29.08.2024
GR30.08.2024
IS29.09.2024
Former [2024/48]ES29.05.2024
HR29.05.2024
NO29.08.2024
GR30.08.2024
IS29.09.2024
Former [2024/47]HR29.05.2024
NO29.08.2024
GR30.08.2024
IS29.09.2024
Documents cited:Search[A] WO2020233443  (CAINIAO SMART LOGISTICS HOLDING LTD) [A] 1-9 * the whole document *
 [A] CN112017251  (HANGZHOU FABU TECH CO LTD et al.) [A] 1-9 * the whole document *
 [A] EP3525000  (BAYERISCHE MOTOREN WERKE AG et al.) [A] 1-9 * the whole document *
 [A]   HOANG VAN-DUNG ET AL: "Closed-form solution to 3D points for estimating extrinsic parameters of camera and laser sensor", 2014 IEEE 23RD INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS (ISIE), IEEE, June 2014 (2014-06-01), pages 1932 - 1937, XP032624082, DOI: 10.1109/ISIE.2014.6864911 [A] 1-9 * the whole document *

DOI:   http://dx.doi.org/10.1109/ISIE.2014.6864911
 [A]   HU GUOLIANG ET AL: "Non-linear calibration optimisation based on the Levenberg-Marquardt algorithm", IET IMAGE PROCESSING, IET, UK, vol. 14, no. 7, 29 May 2020 (2020-05-29), pages 1402 - 1414, XP006090434, ISSN: 1751-9659, DOI: 10.1049/IET-IPR.2019.1489 [A] 1-9 * the whole document *

DOI:   http://dx.doi.org/10.1049/iet-ipr.2019.1489
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.