{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9661473","patent":{"patent_number":"US-9661473","title":"Methods and apparatus for determining locations of devices in confined spaces","assignee":null,"inventors":[],"filing_date":"2016-06-17T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["H04W","H04W"],"num_claims":25,"abstract":"A location device (e.g., realized at one or more of a mobile device and/or a location server) includes a wireless transceiver, one or more location sensors and a floor-plan of a venue. The location device determines a plurality of hypothetical locations of a mobile device in the venue in response to data sets provided by the one or more location sensors. The data sets are associated with obstacle indication values calculated for the venue or for regions of the venue including locations corresponding to the data sets. The obstacle indication values indicate the proximity or orientation of the obstacle edges in the region or in the venue. The location device refines the one or more hypothetical locations based on the obstacle indication values to provide an estimate of the current location of the mobile device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and apparatus for determining locations of devices in confined spaces","description":"A location device (e.g., realized at one or more of a mobile device and/or a location server) includes a wireless transceiver, one or more location sensors and a floor-plan of a venue. The location de","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9661473","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-9661473","citation_suggestion":"Patentable. \"Methods and apparatus for determining locations of devices in confined spaces\" (US-9661473). https://patentable.app/patents/US-9661473","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9661473","json":"https://patentable.app/api/llm-context/US-9661473","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:32:28.991Z"}