{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8472906","patent":{"patent_number":"US-8472906","title":"Systems and methods for recovery of a sub-carrier signal from a stereophonic multiplexed signal","assignee":null,"inventors":[],"filing_date":"2012-08-30T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["H04B"],"num_claims":20,"abstract":"Disclosed herein are systems and methods for recovering a sub-carrier signal from a multiplexed signal having an embedded pilot tone signal. The recovery system includes circuitry for recovering a pilot signal from the received multiplexed signal, for generating a frequency-doubled signal from the recovered pilot signal, and for phase-shifting the frequency-doubled signal by a pre-determined phase difference from the embedded pilot tone signal. Another recovery system includes circuitry for recovering a pilot signal from the received multiplexed signal, for phase-shifting the pilot signal by a pre-determined phase difference from the embedded pilot tone signal, and for generating a frequency-doubled signal from the phase-shifted signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and methods for recovery of a sub-carrier signal from a stereophonic multiplexed signal","description":"Disclosed herein are systems and methods for recovering a sub-carrier signal from a multiplexed signal having an embedded pilot tone signal. The recovery system includes circuitry for recovering a pil","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8472906","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-8472906","citation_suggestion":"Patentable. \"Systems and methods for recovery of a sub-carrier signal from a stereophonic multiplexed signal\" (US-8472906). https://patentable.app/patents/US-8472906","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8472906","json":"https://patentable.app/api/llm-context/US-8472906","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:58:00.038Z"}