{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9781504","patent":{"patent_number":"US-9781504","title":"Voice signal return type earphone for smart device","assignee":null,"inventors":[],"filing_date":"2016-06-23T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04R","G10L","H04R","H04R","H04R","H04R","H04R"],"num_claims":5,"abstract":"An earphone connected to a smart device is provided. The earphone connected to a smart device includes a voice signal input and output function that returns a sound generated by the smart device itself as well as a sound generated from the exterior into the smart device as a high-quality sound. The voice signal is extracted from a wire that connects the smart device and the ear receiver and inputs the extracted voice signal into the input terminal of the microphone of the smart device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Voice signal return type earphone for smart device","description":"An earphone connected to a smart device is provided. The earphone connected to a smart device includes a voice signal input and output function that returns a sound generated by the smart device itsel","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9781504","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-9781504","citation_suggestion":"Patentable. \"Voice signal return type earphone for smart device\" (US-9781504). https://patentable.app/patents/US-9781504","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9781504","json":"https://patentable.app/api/llm-context/US-9781504","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:52:12.905Z"}