{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9726746","patent":{"patent_number":"US-9726746","title":"Audio navigation system for the visually impaired","assignee":null,"inventors":[],"filing_date":"2016-03-07T00:00:00.000Z","publication_date":"2017-08-08T00:00:00.000Z","cpc_codes":["G01S","G01C","G01S","G01S","G01S","G01S","H04W","H04W","H04W","H04W","H04W","G01C","H04W"],"num_claims":5,"abstract":"A navigation system featuring audio prompts including: a database including a plurality of beacon identifiers corresponding to physical beacons that are members of quadrants including one or more beacons, the database including navigation instructions between beacons in a quadrant and between beacons and adjacent quadrants; a controller adapted to: provide a first beacon and a destination beacon, determine a route from the first beacon to the destination beacon in a destination quadrant, announce, via the speaker, navigation instructions from the first beacon to a first quadrant of the route, for each quadrant along the route: receive, a newly encountered beacon identifier; and announce navigation instructions for the user to navigate from the newly encountered beacon to the next quadrant in the ordered list, and upon receiving a beacon identifier of a detected beacon in the destination quadrant, announce navigation instructions to navigate from the detected beacon to the destination beacon."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Audio navigation system for the visually impaired","description":"A navigation system featuring audio prompts including: a database including a plurality of beacon identifiers corresponding to physical beacons that are members of quadrants including one or more beac","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9726746","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-9726746","citation_suggestion":"Patentable. \"Audio navigation system for the visually impaired\" (US-9726746). https://patentable.app/patents/US-9726746","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9726746","json":"https://patentable.app/api/llm-context/US-9726746","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:01:55.451Z"}