WO2025214742 - DIFFRAKTIVES OPTISCHES ELEMENT SOWIE VERFAHREN UND VORRICHTUNG ZUM KALIBRIEREN EINER KAMERA
National phase entry is expected:
Publication Number
WO/2025/214742
Publication Date
16.10.2025
International Application No.
PCT/EP2025/057804
International Filing Date
21.03.2025
Title **
[German]
DIFFRAKTIVES OPTISCHES ELEMENT SOWIE VERFAHREN UND VORRICHTUNG ZUM KALIBRIEREN EINER KAMERA
[English]
DIFFRACTIVE OPTICAL ELEMENT AND METHOD AND DEVICE FOR CALIBRATING A CAMERA
[French]
ÉLÉMENT OPTIQUE DIFFRACTIF ET PROCÉDÉ ET DISPOSITIF D'ÉTALONNAGE D'UN APPAREIL DE PRISE DE VUES
Applicants **
ROBERT BOSCH GMBH
Inventors
KICK, Moritz
SCHRAFT, Daniel
Priority Data
102024203380.4
12.04.2024
DE
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1965 | |
| EPO | Filing, Examination, Granting | 8149 | |
| Japan | Filing, Examination, Granting | 2120 | |
| South Korea | Filing, Examination, Granting | 1898 | |
| USA | Filing, Examination, Granting | 5340 |
Total:
19,472
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Abstract[German]
Ein diffraktives optisches Element (104) zum Kalibrieren einer Kamera (102) weist eine Mikrostruktur auf, die ausgeformt ist, um eine auf das diffraktive optische Element (104) einfallende monochromatische ebene Welle (108) in mehrere Beugungsordnungen mit unterschiedlichen aber bekannten Ausbreitungsrichtungen zu beugen, die eine Nullordnung umgeben, wobei jede der Beugungsordnung als ein Punkt eines Beugungsmusters auf einen Kamerasensor (112) der Kamera (102) projizierbar ist.[English]
A diffractive optical element (104) for calibrating a camera (102) has a microstructure which is shaped so as to diffract a monochromatic plane wave (108) incident on the diffractive optical element (104) into a plurality of orders of diffraction which have different but known propagation directions and surround a zero order, each of the orders of diffraction being projectable as a point of a diffraction pattern onto a camera sensor (112) of the camera (102).[French]
Un élément optique diffractif (104) d'étalonnage d'un d'appareil de prise de vues (102) présente une microstructure qui est formée de manière à diffracter une onde plane monochromatique (108) incidente sur l'élément optique diffractif (104) en une pluralité d'ordres de diffraction qui présentent des directions de propagation différentes mais connues et entourent un ordre zéro, chacun des ordres de diffraction pouvant être projeté en tant que point d'un motif de diffraction sur un capteur d'appareil de prise de vues (112) de l'appareil de prise de vues (102).