{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9608849","patent":{"patent_number":"US-9608849","title":"Method, system and apparatus for audio communication modulation mode self-adaptation and electronic signature token","assignee":null,"inventors":[],"filing_date":"2013-06-09T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["H04L","G06F","G06F","H04L","H04L","H04L","H04L","H04R","H04L","H04L","H04L"],"num_claims":20,"abstract":"A method, system, and apparatus for audio communication modulation mode self-adaptation and an electronic signature token are provided. The method includes modulating first audio data using at least two modulation modes supported by the first device to generate first audio data frame streams; selecting an optimal modulation mode used in the second device from the modulation modes correctly received by the second device and supported by the first device according to a predetermined rule; demodulating the second audio data stream to obtain modulation modes correctly received by the first device and supported by the second device and the optimal modulation mode used in the second device; and selecting an optimal modulation mode used in the first device from the modulation modes correctly received by the first device and supported by the second device according to the predetermined rule."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method, system and apparatus for audio communication modulation mode self-adaptation and electronic signature token","description":"A method, system, and apparatus for audio communication modulation mode self-adaptation and an electronic signature token are provided. The method includes modulating first audio data using at least t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9608849","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-9608849","citation_suggestion":"Patentable. \"Method, system and apparatus for audio communication modulation mode self-adaptation and electronic signature token\" (US-9608849). https://patentable.app/patents/US-9608849","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9608849","json":"https://patentable.app/api/llm-context/US-9608849","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:29:36.156Z"}