{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9806843","patent":{"patent_number":"US-9806843","title":"Method and device for creating a control channel in an optical transmission signal and method and device for extracting the information included therein","assignee":null,"inventors":[],"filing_date":"2016-04-04T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["H04J","H04B","H04B","H04B","H04J","H04J","H04L","H04B"],"num_claims":20,"abstract":"The invention relates to a method for creating a control channel in an optical transmission signal, wherein the optical transmission signal (SDS,i, SUS,i) includes an optical carrier frequency component, a higher frequency modulation component carrying user information to be transported from a first end to a second end of an optical transmission link and a lower frequency modulation component carrying control information, the higher frequency modulation component realizing a user channel and the lower frequency modulation component realizing the control channel, and wherein the lower frequency modulation component is created by amplitude modulation. According to the invention, the lower frequency modulation component includes a binary digital pilot tone signal component which corresponds to a pilot tone signal having a predetermined pilot tone frequency (fi)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for creating a control channel in an optical transmission signal and method and device for extracting the information included therein","description":"The invention relates to a method for creating a control channel in an optical transmission signal, wherein the optical transmission signal (SDS,i, SUS,i) includes an optical carrier frequency compone","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9806843","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-9806843","citation_suggestion":"Patentable. \"Method and device for creating a control channel in an optical transmission signal and method and device for extracting the information included therein\" (US-9806843). https://patentable.app/patents/US-9806843","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9806843","json":"https://patentable.app/api/llm-context/US-9806843","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:26:54.046Z"}