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    • 1. 发明授权
    • Optical structure for acquiring fingerprint image
    • 用于获取指纹图像的光学结构
    • US09223121B2
    • 2015-12-29
    • US13198013
    • 2011-08-04
    • Dong Mok ShinJae Hyeon ParkJae Won Lee
    • Dong Mok ShinJae Hyeon ParkJae Won Lee
    • H04N7/18G02B17/08G02B5/04G06K9/00
    • G02B17/08G02B5/04G06K9/00046
    • An optical structure for acquiring a fingerprint image with high resolution and minimum distortion is provided. The optical structure includes a prism configured to comprise an input surface to which light is irradiated, a contact surface formed horizontally to be in contact with a finger, and an output surface through which the light that has been irradiated to the input surface and reflected from the finger in contact with the contact surface passes; a lighting unit configured to emit a beam to the input surface of the prism; a reflector unit configured to reflect a fingerprint image passing through the output surface of the prism; a lens unit configured to comprise two or more lenses, each being configured to receive the fingerprint image reflected from the reflector unit; and an image sensor on which the fingerprint image passing through the lens unit is formed.
    • 提供了一种用于获取具有高分辨率和最小失真的指纹图像的光学结构。 光学结构包括棱镜,被配置为包括光照射的输入表面,水平形成为与手指接触的接触表面以及已经照射到输入表面并从其中反射的光的输出表面 与接触表面接触的手指通过; 照明单元,被配置为向棱镜的输入表面发射光束; 反射器单元,被配置为反射通过所述棱镜的输出表面的指纹图像; 配置为包括两个或更多个透镜的透镜单元,每个透镜被配置为接收从反射器单元反射的指纹图像; 以及形成有通过透镜单元的指纹图像的图像传感器。
    • 2. 发明申请
    • OPTICAL STRUCTURE FOR ACQUIRING FINGERPRINT IMAGE
    • 用于获取指纹图像的光学结构
    • US20120147168A1
    • 2012-06-14
    • US13198013
    • 2011-08-04
    • Dong Mok ShinJae Hyeon ParkJae Won Lee
    • Dong Mok ShinJae Hyeon ParkJae Won Lee
    • H04N7/18
    • G02B17/08G02B5/04G06K9/00046
    • An optical structure for acquiring a fingerprint image with high resolution and minimum distortion is provided. The optical structure includes a prism configured to comprise an input surface to which light is irradiated, a contact surface formed horizontally to be in contact with a finger, and an output surface through which the light that has been irradiated to the input surface and reflected from the finger in contact with the contact surface passes; a lighting unit configured to emit a beam to the input surface of the prism; a reflector unit configured to reflect a fingerprint image passing through the output surface of the prism; a lens unit configured to comprise two or more lenses, each being configured to receive the fingerprint image reflected from the reflector unit; and an image sensor on which the fingerprint image passing through the lens unit is formed.
    • 提供了一种用于获取具有高分辨率和最小失真的指纹图像的光学结构。 光学结构包括棱镜,被配置为包括光照射的输入表面,水平形成为与手指接触的接触表面以及已经照射到输入表面并从其中反射的光的输出表面 与接触表面接触的手指通过; 照明单元,被配置为向棱镜的输入表面发射光束; 反射器单元,被配置为反射通过所述棱镜的输出表面的指纹图像; 配置为包括两个或更多个透镜的透镜单元,每个透镜被配置为接收从反射器单元反射的指纹图像; 以及形成有通过透镜单元的指纹图像的图像传感器。