{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11308199","patent":{"patent_number":"US-11308199","title":"User authentication method using ultrasonic waves","assignee":null,"inventors":[],"filing_date":"2020-05-29T00:00:00.000Z","publication_date":"2022-04-19T00:00:00.000Z","cpc_codes":["G06F","G06F"],"num_claims":6,"abstract":"A user authentication method using ultrasonic waves is disclosed. The user authentication method using ultrasonic waves, according to an embodiment of the present invention, comprises the steps of: receiving a sound wave signal which includes analog data; sampling the sound wave signal at a preset sampling rate; generating a block by selecting a preset number of pieces of sampling data; converting sampled data included in the block into frequency components; and determining, as digital data in the block, a letter or number corresponding to the frequency component having the largest magnitude from among the frequency components."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"User authentication method using ultrasonic waves","description":"A user authentication method using ultrasonic waves is disclosed. The user authentication method using ultrasonic waves, according to an embodiment of the present invention, comprises the steps of: re","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11308199","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-11308199","citation_suggestion":"Patentable. \"User authentication method using ultrasonic waves\" (US-11308199). https://patentable.app/patents/US-11308199","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11308199","json":"https://patentable.app/api/llm-context/US-11308199","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:46:07.519Z"}