{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9609428","patent":{"patent_number":"US-9609428","title":"Method and device for automatically identifying microphone pin and ground pin of audio interface and electronic signature token","assignee":null,"inventors":[],"filing_date":"2013-06-13T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R"],"num_claims":16,"abstract":"A method and a device for automatically identifying a microphone pin and a ground pin of an audio interface and an electronic signature token are provided. The method comprises: not implementing an identification operation on the first pin and the second pin of the audio interface when an absolute value of a voltage difference between the first pin and the second pin is less than a first threshold; and determining a type of each of the first pin and the second pin according to a sign of the voltage difference between the first pin and the second pin when the absolute value of the voltage difference is greater than or equal to a second threshold, in which the second threshold is greater than or equal to the first threshold."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for automatically identifying microphone pin and ground pin of audio interface and electronic signature token","description":"A method and a device for automatically identifying a microphone pin and a ground pin of an audio interface and an electronic signature token are provided. The method comprises: not implementing an id","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9609428","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-9609428","citation_suggestion":"Patentable. \"Method and device for automatically identifying microphone pin and ground pin of audio interface and electronic signature token\" (US-9609428). https://patentable.app/patents/US-9609428","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9609428","json":"https://patentable.app/api/llm-context/US-9609428","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:03:10.510Z"}