WO2025097347 - IMAGING OPTICAL SYSTEM
National phase entry:
Publication Number
WO/2025/097347
Publication Date
15.05.2025
International Application No.
PCT/CN2023/130582
International Filing Date
09.11.2023
Title **
[English]
IMAGING OPTICAL SYSTEM
[French]
SYSTÈME OPTIQUE D'IMAGERIE
Applicants **
HUAWEI TECHNOLOGIES CO., LTD.
Inventors
TSUNEO, Uchida
IRISAWA, Gentaro
MIYATANI, Sota
JIANG, Lei
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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| Pages of Specification | * |
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International Searching Authority |
CNIPA
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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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| * | |
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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 | 2149 | |
| EPO | Filing, Examination, Granting | 17604 | |
| Japan | Filing, Examination, Granting | 2482 | |
| South Korea | Filing, Examination, Granting | 2685 | |
| USA | Filing, Examination, Granting | 5740 |
Total:
30,660
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
An imaging optical system comprises: from an object side to an image side along an optical axis, a first lens group(G1) having a convex surface on the most object side; a prism(P) comprising a light input surface at which the light that has passed through the first lens group(G1) is incident; a plurality of reflective surfaces that reflect the incident light; and a light output surface from which the light reflected from the last reflective surface of the plurality of reflective surfaces is emitted, wherein the plurality of reflective surfaces are arranged so that the chief ray incident from the light input surface is reflected multiple times within the prism(P) so as to self-intersect a chief ray path at least once within the prism(P); a second lens group(G2) comprising at least one optical element having negative refractive power; and an image sensor(IS) on which the light that has passed through the second lens group(G2) focuses images.[French]
L'invention concerne un système optique d'imagerie comprenant : d'un côté objet à un côté image le long d'un axe optique, un premier groupe de lentilles (G1) ayant une surface convexe sur le côté le plus objet ; un prisme (P) comprenant une surface d'entrée de lumière au niveau de laquelle la lumière qui a traversé le premier groupe de lentilles (G1) est incidente ; une pluralité de surfaces réfléchissantes qui réfléchissent la lumière incidente ; et une surface de sortie de lumière à partir de laquelle la lumière réfléchie par la dernière surface réfléchissante de la pluralité de surfaces réfléchissantes est émise, la pluralité de surfaces réfléchissantes étant agencées de telle sorte que le rayon principal incident à partir de la surface d'entrée de lumière est réfléchi plusieurs fois à l'intérieur du prisme (P) de façon à croiser automatiquement un trajet de rayon principal au moins une fois à l'intérieur du prisme (P) ; un second groupe de lentilles (G2) comprenant au moins un élément optique ayant une réfringence négative ; et un capteur d'image (IS) sur lequel la lumière qui a traversé le second groupe de lentilles (G2) focalise des images.