Title:
AUTOFOCUS TESTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/173871
Kind Code:
A1
Abstract:
Provided in the embodiments of the present disclosure is an autofocus testing system, comprising a testing apparatus and a transfer apparatus, the testing apparatus comprising a testing box body, a relay lens, an image card distance adjusting device and a light-emitting part. The relay lens is arranged on the testing box body, an image side end of the relay lens faces the outside of the testing box body, and an object side end of the relay lens faces the inside of the testing box body. The image card distance adjusting device is arranged in the testing box body, and the image card distance adjusting device is used for arrangement of a test image card and for adjusting the distance between the test image card and the object side end of the relay lens. The light-emitting part is arranged in the box body and is used for providing illumination for the test image card, the transfer apparatus is arranged on one side of the testing apparatus and is used for transferring a material to be tested to a test position, the test position being a position where the imaging optical axis of said material coincides with the optical axis of the relay lens, and the object side end of said material faces the image side end of the relay lens.
Inventors:
BI CHEN (CN)
Application Number:
PCT/CN2022/140934
Publication Date:
September 21, 2023
Filing Date:
December 22, 2022
Export Citation:
Assignee:
SHANGHAI WINGTECH INFORMATION TECH CO LTD (CN)
International Classes:
H04N17/00; G03B5/00
Foreign References:
| CN114650415A | 2022-06-21 | |||
| CN113242423A | 2021-08-10 | |||
| CN216057234U | 2022-03-15 | |||
| CN209448843U | 2019-09-27 | |||
| CN213462070U | 2021-06-15 | |||
| CN107806983A | 2018-03-16 | |||
| US20210396656A1 | 2021-12-23 | |||
| JP2013011741A | 2013-01-17 |
Attorney, Agent or Firm:
GUANGZHOU DEKE INTELLECTUAL PROPERTY AGENT LTD. (CN)
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