Patent SG-11201908763Y-A (SG)
Title: Systems and methods for mapping a navigational space
Inventor: TANG PEN SAN
IPC: G01C21/32
Filed: 2018-03-20
Abstract: 7 define a base layer of three-dimensional (3D) polygons that is distributed over a base of the navigational space 904 define one or more upper layers of 3D polygons that are above the base layer of 3D polygons assign an aircraft accessibility attribute to each 3D polygon of the base layer and the one or more upper layers 906 W O 20 18/ 17 48 20 Al 7 1' 900 Figure 9 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 27 September 2018 (27.09.2018) oimitia °nolo olomomilinvio (10) International Publication Number WO 2018/174820 Al WIPO I PCT (51) International Patent Classification: G01C 21/32 (2006.01) G01C 11/36 (2006.01) GO1C 11/02 (2006.01) (21) International Application Number: PCT/SG2018/050123 (22) International Filing Date: 20 March 2018 (20.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 10201702229W 20 March 2017 (20.03.2017) SG (71) Applicant: ARETE M PTE LTD [SG/SG]; 20 Sin Ming Lane, #03-63, Midview City, Singapore 573968 (SG). (72) Inventors: TANG, Pen San; Seastrand, 1 Pasir Ris Link, #11-02, Singapore 518185 (SG). LIM, Tse Cheng; Blk 469, Choa Chu Kang Avenue 3, #16-97, Singapore 680469 (SG). NAGAPPAN, Nagajothi; Blk 758, Woodlands Av- enue 6, #05-46, Singapore 730758 (SG). (74) Agent: SPRUSON & FERGUSON (ASIA) PTE LTD; P.O. Box 1531, Robinson Road Post Office, Singapore 903031 (SG). (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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, 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). Declarations under Rule 4.17: of inventorship (Rule 4.17(iv)) — (54) Title: SYSTEMS AND METHODS FOR MAPPING A NAVIGATIONAL SPACE (57) : A system and method for mapping a navigational space. The method comprising: defining a base layer of three-dimensional (3D) polygons that is distributed over a base of the navigational space, wherein a height of each 3D polygon of the base layer is the same; and defining one or more upper layers of 3D polygons that are above the base layer of 3D polygons, wherein each 3D polygon of the base layer and the one or more upper layers demarcates a distinct volume of the navigational space. [Continued on next page] WO 2018/174820 Al MIDEDIMOMMIDIREEMOMMEHIMENIIRIEHOIS Published: with international search report (Art. 21(3)) in black and white; the international application as filed contained color or greyscale and is available for download from PATENTSCOPE