SG11201903173UA - Lens examination equipment and method - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property ::::` , 1#1110111101110101011111 011010011111111111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number 03 (43) International Publication Date .....•\"\" WO 2018/073576 A2 26 April 2018 (26.04.2018) WIP0 I PCT (51) International Patent Classification: (72) Inventors: DREW, Thomas; c/o Aston Eyetech Limit- G01M 11/02 (2006.01) ed, Faraday Wharf, Holt Street, Birmingham West Mid- (21) International Application Number: lands B7 4BB (GB). KRAWCZYNSKI, Michal; c/o Aston PCT/GB2017/053135 Eyetech Limited, Faraday Wharf, Holt Street, Birmingham West Midlands B7 4BB (GB). JOSHI, Omkar; c/o Aston (22) International Filing Date: Eyetech Limited, Faraday Wharf, Holt Street, Birmingham 17 October 2017 (17.10.2017) West Midlands B7 4BB (GB). DAVIES, Joseph; c/o Aston Eyetech Limited, Faraday Wharf, Holt Street, Birmingham (25) Filing Language: English West Midlands B7 4BB (GB). SUDERA, Suraj; c/o Aston (26) Publication Language: English Eyetech Limited, Faraday Wharf, Holt Street, Birmingham West Midlands B7 4BB (GB). DEAN, Jonathan; c/o Aston (30) Priority Data: Eyetech Limited, Faraday Wharf, Holt Street Birmingham 1617652.1 18 October 2016 (18.10.2016) GB West Midlands B7 4BB (GB). 1619772.5 23 November 2016 (23.11.2016) GB (74) Agent: WILSON GUNN (BIRMINGHAM); Charles (71) Applicant: ASTON EYETECH LIMITED [GB/GB]; House, 148/9 Great Charles Street, Birmingham West Mid- Faraday Wharf, Holt Street, Birmingham West Midlands B7 lands B3 3HT (GB). 4BB (GB). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, Title: LENS EXAMINATION EQUIPMENT AND METHOD (54) = = 130b 130 = = = ,--130a 101 = _ 160b 162 158 = 4... w o w i... 152 = — = = 110 150 = . 113 = 160a = Figure 5 154 ei (57) : A system (101) for examining lenses in a pair of glasses includes a tablet computer (112), a camera (128) mounted IN in above the computer screen and a glasses mount (156) for holding a lens in a pair of glasses between the camera and the display screen. M The camera (128) is operatively connected to the computer for storing and processing image data captured by the camera. In use, a IN test pattern is displayed on the screen below the camera and an image of the test pattern seen through a lens is captured by the camera. 0 ---- Image data is saved to the computer which processes the data to determine the power of the lens from the distortion to the test pattern c)1: 1-1 caused by the lens. The results are displayed on another section of display screen. The camera mount (156) may be a plinth slidably cz positioned on the display screen. ei C [Continued on next page] WO 2018/073576 A2 IMIOHOIIIMIIMENH 0 OIKIIIIIEHROMMOIS 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, JO, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — without international search report and to be republished upon receipt of that report (Rule 48.2(g))