{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488433","patent":{"patent_number":"US-8488433","title":"Modulated signal detecting apparatus and modulated signal detecting method","assignee":null,"inventors":[],"filing_date":"2012-06-11T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G11B","G01D","G11B","G11B","G11B","G11B"],"num_claims":14,"abstract":"When ld0 denotes an initial optical path length that is a length of an optical path, along which the signal light travels, as converted using a refractive index in vacuum, lm0 denotes an initial optical path length that is a length of an optical path, along which the reference light travels, as converted using a refractive index in vacuum, Δl denotes a fluctuation width of a difference in optical path lengths between the signal light and the reference light as converted using a refractive index in vacuum, λ0 denotes a central oscillation wavelength of the wavelength-variable laser, and Δλ denotes an oscillation wavelength variable range of the wavelength-variable laser, then an initial optical path difference |ld0−lm0| satisfies |ld0−lm0|>(Δl/Δλ)λ0."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Modulated signal detecting apparatus and modulated signal detecting method","description":"When ld0 denotes an initial optical path length that is a length of an optical path, along which the signal light travels, as converted using a refractive index in vacuum, lm0 denotes an initial optic","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488433","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-8488433","citation_suggestion":"Patentable. \"Modulated signal detecting apparatus and modulated signal detecting method\" (US-8488433). https://patentable.app/patents/US-8488433","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488433","json":"https://patentable.app/api/llm-context/US-8488433","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:33:53.692Z"}