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Infrared photographic lens optical system

An infrared photography and optical system technology, applied in the field of infrared photography lens optical system, can solve the problem of camera resolution effect and other issues

Inactive Publication Date: 2018-08-03
KOLEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The resolution of the camera can also be affected by the post-processing that is done to the captured image

Method used

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  • Infrared photographic lens optical system
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Embodiment Construction

[0055] Reference will now be made in detail to exemplary embodiments, examples of which are shown in the drawings, in which the same reference numbers refer to the same elements in all the figures. In this regard, the exemplary embodiments may have different forms and should not be regarded as limited to the description described herein. Therefore, the following description of the exemplary embodiments by referring to the figures is only for explaining aspects of the description. The term "and / or" as used herein includes any and all combinations of one or more of the related listed items. When placed before a series of elements, expressions such as "at least one of" modify the entire series of elements, but do not modify individual elements of the series.

[0056] Hereinafter, an infrared photographic lens optical system according to an embodiment of the present invention will be explained in detail with reference to the accompanying drawings. To make the description clear, the...

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Abstract

Provided is an infrared photographic lens optical system. The infrared photographic lens optical system includes an incident light restricting unit restricting incidence of a light passed through a given lens, an image sensor sensing an image of an object, a lens system including first to fourth lenses arranged sequentially from the object to the image sensor between the object and the image sensor, and a visible light blocking unit arranged between the first lens and the image sensor.

Description

[0001] Cross reference of related applications [0002] This application claims the rights of Korean Patent Application No. 10-2017-0012964 filed at the Korean Intellectual Property Office on January 26, 2017, and the entire disclosure of the Korean patent application is incorporated into this application for reference. Technical field [0003] One or more embodiments relate to an optical system including a lens, and more specifically to an infrared photographic lens optical system used in a camera. Background technique [0004] Most recent cameras are digital cameras that include image sensors, memory, and lens optical systems. Cameras are also used in combination with other electronic devices (such as communication devices). Charge coupled devices (CCD) and complementary metal oxide semiconductor image sensors (CMOS) are widely used as image sensors used in cameras. [0005] The resolution of the camera may also be affected by the post-processing of the captured image. However, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/14
CPCG02B13/0015G02B13/0075G02B13/008G02B13/14H04N23/55G02B13/06G02B9/34G02B7/021G02B27/005G02B13/18G02B5/208G02B5/005G02B1/041G02B13/04G03B30/00H04N23/54
Inventor 李钟珍姜灿求裵成熙
Owner KOLEN