{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9706309","patent":{"patent_number":"US-9706309","title":"Acoustic device","assignee":null,"inventors":[],"filing_date":"2016-01-19T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R"],"num_claims":19,"abstract":"One embodiment of the invention discloses an acoustic device having a housing with a sound hole formed thereon and a speaker unit accommodated in the housing. The speaker unit has a central part, an edge part surrounding the central part and a first strength means formed on the central part for reinforcing rigidity thereof. The first strength means has a first section away from the sound hole and a second section close to the sound hole, and a rigidity of the first section is less than that of the second section."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Acoustic device","description":"One embodiment of the invention discloses an acoustic device having a housing with a sound hole formed thereon and a speaker unit accommodated in the housing. The speaker unit has a central part, an e","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9706309","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-9706309","citation_suggestion":"Patentable. \"Acoustic device\" (US-9706309). https://patentable.app/patents/US-9706309","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9706309","json":"https://patentable.app/api/llm-context/US-9706309","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:51:25.577Z"}