{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11991494","patent":{"patent_number":"US-11991494","title":"Keyless control device and earphone","assignee":null,"inventors":[],"filing_date":"2021-08-20T00:00:00.000Z","publication_date":"2024-05-21T00:00:00.000Z","cpc_codes":["H04R","G01N","H04R","H04R","H04R","H04W"],"num_claims":12,"abstract":"A keyless control device is provided, wherein the first infrared sensor module generates an infrared trigger signal when the earphone is in a wearing state; the Bluetooth controller generates enable signals according to the infrared trigger signal, and the left-ear infrared sensor module generates a first detection signal according to a first enable signal; the right-ear infrared sensor module generates a second detection signal according to the second enable signal; the left-ear acceleration sensor module generates a third detection signal according to the third enable signal when detecting that the left-ear component is knocked; the right-ear acceleration sensor module generates a fourth detection signal according to the fourth enable signal when detecting that the right-ear component is knocked; and finally, the Bluetooth controller performs the functions according to the detection signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Keyless control device and earphone","description":"A keyless control device is provided, wherein the first infrared sensor module generates an infrared trigger signal when the earphone is in a wearing state; the Bluetooth controller generates enable s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11991494","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-11991494","citation_suggestion":"Patentable. \"Keyless control device and earphone\" (US-11991494). https://patentable.app/patents/US-11991494","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11991494","json":"https://patentable.app/api/llm-context/US-11991494","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:51:33.925Z"}