{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10520318","patent":{"patent_number":"US-10520318","title":"Method and system for providing map data of navigation device","assignee":null,"inventors":[],"filing_date":"2015-06-05T00:00:00.000Z","publication_date":"2019-12-31T00:00:00.000Z","cpc_codes":["G01C","G01C","G01C","G01C","G01C","G06F","G06F","G06F","G06T","G08G"],"num_claims":7,"abstract":"Disclosed is a method and system for providing map data of a navigation device. The system comprises: a server for comparing, for each mesh, old version map data and new version map data, generating delta data by extracting only changed spatial data from the meshes, and providing an update of the map data compressed and stored in a navigation device on the basis of the delta data; and the navigation device for receiving a delta file and a delta file header from the server, decompressing the compressed file header included in the old version map data, and extracting only the compressed data block included in an update item in the old version map data by referring to the decompressed file header and the delta file header, the navigation device being built in a car."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and system for providing map data of navigation device","description":"Disclosed is a method and system for providing map data of a navigation device. The system comprises: a server for comparing, for each mesh, old version map data and new version map data, generating d","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10520318","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-10520318","citation_suggestion":"Patentable. \"Method and system for providing map data of navigation device\" (US-10520318). https://patentable.app/patents/US-10520318","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10520318","json":"https://patentable.app/api/llm-context/US-10520318","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T06:39:40.515Z"}