{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9641937","patent":{"patent_number":"US-9641937","title":"Digital amplifier, three-value signal output method and speaker","assignee":null,"inventors":[],"filing_date":"2014-01-14T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["H04R","H04S","H04R","H04R"],"num_claims":4,"abstract":"Noise is reduced when three-value output is performed. In a digital amplifier 1, a three-value driver 18a associated with a positive electrode and a three-value driver 18b output three-value signals which are inverted to each other, and execute an output of three values on the basis of a differential output of the positive electrode and a negative electrode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital amplifier, three-value signal output method and speaker","description":"Noise is reduced when three-value output is performed. In a digital amplifier 1, a three-value driver 18a associated with a positive electrode and a three-value driver 18b output three-value signals w","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9641937","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-9641937","citation_suggestion":"Patentable. \"Digital amplifier, three-value signal output method and speaker\" (US-9641937). https://patentable.app/patents/US-9641937","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9641937","json":"https://patentable.app/api/llm-context/US-9641937","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:20:03.580Z"}