WO2025144563 - IMAGING SPECTROMETER AND CAMERA WITH SLIDING LENS GROUP
National phase entry is expected:
Publication Number
WO/2025/144563
Publication Date
03.07.2025
International Application No.
PCT/US2024/058365
International Filing Date
04.12.2024
Title **
[English]
IMAGING SPECTROMETER AND CAMERA WITH SLIDING LENS GROUP
[French]
SPECTROMÈTRE D'IMAGERIE ET CAMÉRA À GROUPE DE LENTILLES COULISSANTES
Applicants **
KARL STORZ IMAGING, INC.
Inventors
DUCKETT, George, E.
Priority Data
18/401,342
30.12.2023
US
Application details
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International Searching Authority |
USPTO
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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 | 2245 | |
| EPO | Filing, Examination, Granting | 13690 | |
| Japan | Filing, Examination, Granting | 2294 | |
| South Korea | Filing, Examination, Granting | 2376 | |
| USA | Filing, Examination, Granting | 4310 |
Total:
24,915
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Abstract[English]
A hyperspectral imaging device includes an optical channel arranged to focus light at a first image plane. A spectrometer includes a slit formed at the first image plane to allow a slit-shaped portion of the light pass through. A dispersive element receives light from the slit and spectrally disperses it along a direction perpendicular to a width of the slit. A focusing lens focuses the spectrally dispersed light at a second image plane such that the spectral dispersion is imaged along a first axis thereof, and a spatial image of the slit width is imaged along a second axis for detection by a sensor. A sliding lens group between the optical channel and the first image plane moves to direct the incident light, scanning the entire image over the slit such that multiple frames acquired by the sensor each correspond to a horizontal line of the image.[French]
La présente invention concerne un dispositif d'imagerie hyperspectrale comprenant un canal optique conçu pour focaliser une lumière sur un premier plan d'image. Un spectromètre comprend une fente formée dans le premier plan d'image pour permettre à une partie en forme de fente de la lumière de passer à travers. Un élément dispersif reçoit la lumière provenant de la fente et la disperse spectralement le long d'une direction perpendiculaire à une largeur de la fente. Une lentille de focalisation focalise la lumière spectralement dispersée sur un second plan d'image pour que la dispersion spectrale soit imagée le long d'un premier axe de celle-ci, et une image spatiale de la largeur de fente est imagée le long d'un second axe à des fins de détection par un capteur. Un groupe de lentilles coulissantes entre le canal optique et le premier plan d'image se déplace pour diriger la lumière incidente, en balayant toute l'image sur la fente pour que de multiples trames acquises par le capteur correspondent chacune à une ligne horizontale de l'image.