Image type dial indicator dial gauge automatic verification instrument.The national invention patent.Application number: 1112806.2. The date of application: 2001.4.30.Publication No. CN: 1313502, Patent number: ZL 1112806.2.Authorized date:2004.2.4. Certificate No. 142569th. Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui.

Elastic element stiffness tester.The national invention patent.Application number: 1105717.3.The date of application: 2001.3.22. Publication No. CN1308228.Patent number: ZL 1105717.3.Authorized date: 2003.8.27.Certificate No. 121327th. Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui, Yu Pu.

Waterproof type electronic digital calipers.The national invention patent. Application number: 3115904.4. The date of application: 2003.04.Publication No. CN1439861.Patent number: ZL 3115904.4.Authorized date: 2004.12.15. Applicant: Shanghai Jiao Tong University, Guilin Guanglu measuring instrument Limited by Share Ltd. Inventor: Zhao Hui, Yu Pu, Ma Dongli.

Large range waterproof displacement sensor.The national invention patent,Application number:  200310122731.5.The date of application: 2003.12.19.Publication No. CN1553138. Patent number: ZL 200310122731.5.Authorized date:2008.05.07. Applicant: Shanghai Jiao Tong University, Guilin Guanglu measuring instrument Limited by Share Ltd. Inventor: Zhao Hui, Liu Weiwen, Yu Pu.

Eddy current absolute position sensor witherror averaging effect.The national invention patent.Application number: 200810040920. The date of application: 2008.07.24. Publication No. CN101324420.Publication date: 2008.12.17.Authorized number: CN101324420. Authorized date:2010.06.02 . Patent number: ZL 200810040920. Applicant: Shanghai Jiao Tong University, Inventor: Zhao Hui, Liu Weiwen, Tao Wei, QiHongli.

Plant morphological parameters vision measuring instrument with automatic calibration function.The national invention patent.Application number: 200810039191.7. The date of application: 2008.06.19.Open CN101294792.Authorization number: CN 101294792. Authorization date: 2010.06.02. Applicant: Cao Yueping, Zhao Hui, Liu Wei, Tao Wei.

Internal contour outline automatic detection system. The national invention patent. Application number: 200810201244. The date of application: 2008.10.16. Open CN101382422. Publication date: 2009.03.11.Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui, Tao Wei, Wang Zhanbin, Li Jie, Yan Liang

Self calibration system and method for visual detection system.The national invention patent.Application number: 200910045402.2. The date of application: 2009.01.15.Open CN101509759.Publication date: CN 101509759B.The authorization number: 2009.08.19. Date of grant :2010.12.29. Patent number: 200910045402.2. Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui, Liu Weiwen, Tao Wei; Yang Jinfeng,Song Xuhui.

Combined coding type eddy current absolute position sensor.Application No. 201010154489.X.The date of application: 2010.04.24. Open CN101806575A.Publication date: 2010.08.18.Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui, Liu Weiwen, Tao Wei, Qi Hongli, Wang Mengxue,LvChunfeng.

Laser triangulation sensor.Application number: 201110004063.The date of application: 2011.01.11.Open CN102147234A. Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui, Tao Wei, Liu Weiwen, Zhang Haibo; Zhou Ying,NieChenchen.

Rail fastener speed detection system and method based on structure light.Application number: 201110073637.X.The date of application: 2011.03.25. Publication No.: CN102221553A.Publication date: 2011.10.19. Applicant: Shanghai Jiao Tong University, China Academy of Railway Sciences. Inventor: Zhao Hui, Tao Wei, Liu Weiwen, Liu Manhua, Wang Weidong,Ren Sheng Wei, Yang Jinfeng, Liu Hui,QianGuangchun, Liu Weihao.

Differential structure combined coding type eddy current absolute position sensor.Application number: 201110094142.5. The date of application: 2011.04.14.Publication No.: CN102252697A.Publication date: 2011.11.23.Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui, Liu Weiwen, Tao Wei, Wang Chenglong,LvChunfeng.

The visual detection system and method resistance to sunlight.Application number: 201110108191.X. The date of application: 2011.04.28. Publication No.: CN102261910A. Publication date: 2011.11.30.Applicant: Shanghai Jiao Tong University. Inventor: Zhao Hui, Tao Wei, Liu Wei, Yang Jinfeng, Liu Weihao.