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1. (WO2018119583) OPTICAL SYSTEM AND METHOD FOR ADJUSTING DIOPTER
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Pub. No.:
WO/2018/119583
International Application No.:
PCT/CN2016/112127
Publication Date:
05.07.2018
International Filing Date:
26.12.2016
IPC:
G02B 27/01
(2006.01)
G
PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27
Other optical systems; Other optical apparatus
01
Head-up displays
Applicants:
深圳市柔宇科技有限公司 SHENZHEN ROYOLE TECHNOLOGIES CO., LTD
[CN/CN]; 中国广东省深圳市 南山区科技园科苑路15号科兴科学园A4-1501 A4-1501, Kexing Science Park, No.15 Keyuan Rd., Science and Technology Park, Nanshan District Shenzhen, Guangdong 518052, CN
Inventors:
何芳 HE, Fang
; CN
Agent:
广州三环专利商标代理有限公司 SCIHEAD IP LAW FIRM
; 中国广东省广州市 越秀区先烈中路80号汇华商贸大厦1508室 Room 1508, Huihua Commercial & Trade Building No. 80, XianLie Zhong Road, Yuexiu District Guangzhou, Guangdong 510070, CN
Priority Data:
Title
(EN)
OPTICAL SYSTEM AND METHOD FOR ADJUSTING DIOPTER
(FR)
SYSTÈME OPTIQUE ET PROCÉDÉ PERMETTANT D'AJUSTER UNE DIOPTRIE
(ZH)
光学系统及调节屈光度的方法
Abstract:
(EN)
An optical system and a method for adjusting diopter using the optical system. The optical system comprises: an eyepiece (10), a semi-transparent and semi-reflective lens (20), a display screen (30), a first stepper motor (40) connected to the display screen (30), an image sensor (50), and an image analysis system (60). The image analysis system (60) is connected to the display screen (30), the first stepper motor (40), and the image sensor (50). The eyepiece (10), the semi-transparent and semi-reflective lens (20), and the display screen (30) are configured sequentially along a first optical axis (70). The semi-transparent and semi-reflective lens (20) and the image sensor (50) are configured sequentially along a second optical axis (80). The first stepper motor (40) can control the display screen (30) to move back and forth along the first optical axis (70). Light emitted from the display screen (30) enters the eyes by means of the semi-transparent and semi-reflective lens (20) and the eyepiece (10). Light reflected from the eyes enters the image sensor (50) by means of the eyepiece (10) and the semi-transparent and semi-reflective lens (20). The image sensor (50) converts an optical signal into a fundus image. The image analysis system (60) controls, according to the fundus image, the first stepper motor (40) to adjust the distance between the display screen (30) and the semi-transparent and semi-reflective lens (20). Therefore, the optical system is adopted to accurately adjust the diopter.
(FR)
La présente invention se rapporte à un système optique, et à un procédé permettant d'ajuster une dioptrie à l'aide du système optique. Le système optique comprend un oculaire (10), une lentille semi-transparente et semi-réfléchissante (20), un écran (30), un premier moteur pas à pas (40) connecté à l'écran (30), un capteur d'image (50), et un système d'analyse d'image (60). Le système d'analyse d'image (60) est connecté à l'écran (30), au premier moteur pas à pas (40), et au capteur d'image (50). L'oculaire (10), la lentille semi-transparente et semi-réfléchissante (20) et l'écran (30) sont disposés de manière séquentielle le long d'un premier axe optique (70). Ladite lentille semi-transparente et semi-réfléchissante (20) et ledit capteur d'image (50) sont disposés de manière séquentielle le long d'un second axe optique (80). Le premier moteur pas à pas (40) peut commander l'écran (30) afin qu'il se déplace vers l'avant et vers l'arrière le long du premier axe optique (70). La lumière émise à partir de cet écran (30) pénètre dans les yeux au moyen de la lentille semi-transparente et semi-réfléchissante (20) et de l'oculaire (10). La lumière réfléchie par les yeux pénètre dans le capteur d'image (50) au moyen de l'oculaire (10) et de la lentille semi-transparente et semi-réfléchissante (20). Le capteur d'image (50) convertit un signal optique en une image de fond d’œil. Le système d'analyse d'image (60) commande, selon l'image de fond d’œil, le premier moteur pas à pas (40) afin d'ajuster la distance entre l'écran (30) et la lentille semi-transparente et semi-réfléchissante (20). Par conséquent, le système optique est adopté pour ajuster avec précision la dioptrie.
(ZH)
一种光学系统和采用光学系统调节屈光度的方法,其中光学系统包括:目镜(10)、半透半反透镜(20)、显示屏(30)、与显示屏(30)连接的第一步进电机(40)、图像传感器(50)、以及图像分析系统(60),图像分析系统(60)与显示屏(30)、第一步进电机(40)、图像传感器(50)连接;目镜(10)、半透半反透镜(20)和显示屏(30)沿第一光轴(70)依次配置,半透半反透镜(20)和图像传感器(50)沿第二光轴(80)依次配置,第一步进电机(40)能够控制显示屏(30)沿第一光轴(70)前后移动;显示屏(30)发出的光经半透半反透镜(20)以及目镜(10)进入眼睛,眼睛反射出来的光经目镜(10)以及半透半反透镜(20)进入图像传感器(50),图像传感器(50)将光信号转换为眼底图像,图像分析系统(60)根据眼底图像控制第一步进电机(40)调节显示屏(30)到半透半反透镜(20)的距离,进而采用光学系统精确调节屈光度。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language:
Chinese (
ZH
)
Filing Language:
Chinese (
ZH
)