{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10516657","patent":{"patent_number":"US-10516657","title":"Methods and apparatus to enhance security of authentication","assignee":null,"inventors":[],"filing_date":"2014-04-24T00:00:00.000Z","publication_date":"2019-12-24T00:00:00.000Z","cpc_codes":["H04L","G06F","H04L","H04L","H04L","G06F"],"num_claims":18,"abstract":"A system is disclosed that includes a processor including watermark logic to output a first watermark to an output device that outputs a first watermark signal, based on the first watermark, to an acoustic transmission medium. The processor also includes recording logic to capture, at a first time period, an authentication submission comprising the first watermark signal convolved, via the acoustic transmission medium, with a first passphrase signal. The system also includes a dynamic random access memory (DRAM). Other embodiments are disclosed and claimed."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and apparatus to enhance security of authentication","description":"A system is disclosed that includes a processor including watermark logic to output a first watermark to an output device that outputs a first watermark signal, based on the first watermark, to an aco","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10516657","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-10516657","citation_suggestion":"Patentable. \"Methods and apparatus to enhance security of authentication\" (US-10516657). https://patentable.app/patents/US-10516657","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10516657","json":"https://patentable.app/api/llm-context/US-10516657","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:34:24.353Z"}