{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9661430","patent":{"patent_number":"US-9661430","title":"Method of identifying passive radiator parameters","assignee":null,"inventors":[],"filing_date":"2015-07-27T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["H04R","H04R"],"num_claims":20,"abstract":"Methods for modeling a loudspeaker having a passive radiator include applying a stimulus signal to a speaker within the cabinet, wherein the stimulus is applied over a frequency range. The sound pressure level (SPL) in the cabinet is measured as a function of frequency during application of the stimulus signal. At least one coefficient based on the measured SPL is derived, wherein at least one passive radiator parameter is a function of the at least one coefficient."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of identifying passive radiator parameters","description":"Methods for modeling a loudspeaker having a passive radiator include applying a stimulus signal to a speaker within the cabinet, wherein the stimulus is applied over a frequency range. The sound press","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9661430","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-9661430","citation_suggestion":"Patentable. \"Method of identifying passive radiator parameters\" (US-9661430). https://patentable.app/patents/US-9661430","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9661430","json":"https://patentable.app/api/llm-context/US-9661430","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:39:22.725Z"}