{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9819525","patent":{"patent_number":"US-9819525","title":"Signal generating apparatus and signal generating method","assignee":null,"inventors":[],"filing_date":"2013-07-31T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H04L","H04B","H04B","H04B","H04B","H04L"],"num_claims":20,"abstract":"To provide signal generating apparatus that is capable of controlling the DC bias of the optical modulator applicable to various kinds of modulation format, a signal processing apparatus includes a digital processing unit for deserializing an input digital data into parallel data lanes, for comparing the value of the digital data of symbol rate F to at least one predetermined threshold value, for selecting an offset value based on the result of the comparison; and for adding the selected offset value to the digital data, a converting unit for converting the digital data added the offset value to analog signals in each lane; an optical modulating unit for modulating a lightwave according to the analog signals with predetermined modulation format at the symbol rate F, where the modulated signal contains a frequency component at F/N."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Signal generating apparatus and signal generating method","description":"To provide signal generating apparatus that is capable of controlling the DC bias of the optical modulator applicable to various kinds of modulation format, a signal processing apparatus includes a di","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9819525","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-9819525","citation_suggestion":"Patentable. \"Signal generating apparatus and signal generating method\" (US-9819525). https://patentable.app/patents/US-9819525","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9819525","json":"https://patentable.app/api/llm-context/US-9819525","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:48:10.733Z"}