{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9799025","patent":{"patent_number":"US-9799025","title":"Energy harvesting bidirectional audio interface","assignee":null,"inventors":[],"filing_date":"2014-08-19T00:00:00.000Z","publication_date":"2017-10-24T00:00:00.000Z","cpc_codes":["G06Q","G06Q","G06Q","G06Q","G07F","G07F"],"num_claims":21,"abstract":"A payment card reader connected to an audio port of a mobile computing device may include a card interface, the card interface configured to read data from a payment card; a TRRS connector to couple the payment card reader with the mobile computing device; and an audio interface circuit coupled with the TRRS connector. The audio interface circuit may include a communication circuit configured to transmit data to and receive data from the mobile computing device via the TRRS connector and an energy harvesting circuit configured to receive an audio signal via the TRRS connector, to harvest energy from the audio signal, and to provide energy to other components of the card reader."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Energy harvesting bidirectional audio interface","description":"A payment card reader connected to an audio port of a mobile computing device may include a card interface, the card interface configured to read data from a payment card; a TRRS connector to couple t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9799025","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-9799025","citation_suggestion":"Patentable. \"Energy harvesting bidirectional audio interface\" (US-9799025). https://patentable.app/patents/US-9799025","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9799025","json":"https://patentable.app/api/llm-context/US-9799025","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:55:44.885Z"}