{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8537809","patent":{"patent_number":"US-8537809","title":"Separation device and method for transmitting voice signal","assignee":null,"inventors":[],"filing_date":"2011-04-01T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["H04M","H04M","H04M","H04M"],"num_claims":15,"abstract":"A separation device and a method for transmitting voice signal are disclosed. The separation device includes a line interface adapted to provide an interface for connecting to a telecommunication access system which provides public switched telephone network (PSTN) and data services; a data interface adapted to provide an interface connected with customer premises equipment (CPE) and connected with the line interface; a first communication interface adapted to provide an interface connected with a PSTN communication terminal; a second communication interface adapted to provide an interface connected with a foreign exchange station (FXS) interface of the CPE; and a connection switching unit adapted to connect the first communication interface with the line interface or connect the first communication interface with the second communication interface, and to perform switching between the two connections to implement PSTN communication or VoIP communication respectively. The solution in the embodiment may help perform switching with a PSTN communication terminal connection line according to different call types so that the PSTN communication terminal may implement the PSTN communication and the VoIP communication respectively."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Separation device and method for transmitting voice signal","description":"A separation device and a method for transmitting voice signal are disclosed. The separation device includes a line interface adapted to provide an interface for connecting to a telecommunication acce","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8537809","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-8537809","citation_suggestion":"Patentable. \"Separation device and method for transmitting voice signal\" (US-8537809). https://patentable.app/patents/US-8537809","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8537809","json":"https://patentable.app/api/llm-context/US-8537809","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:30:19.488Z"}