{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8531766","patent":{"patent_number":"US-8531766","title":"Polarization-separation device, optical scanning apparatus, and image forming apparatus","assignee":null,"inventors":[],"filing_date":"2010-06-29T00:00:00.000Z","publication_date":"2013-09-10T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N"],"num_claims":25,"abstract":"A polarization-separation device includes: a beam splitter that includes a beam-separating surface, on which a light beam that contains a first light beam and a second light beam impinges, wherein polarization direction of the first light beam and polarization direction of the second light beam are perpendicular to each other, and incident angle of the first light beam and incident angle of the second beam vary independently while incident into the beam-separating surface; a first polarizer arranged in an optical path of light beams having transmitted through the beam splitter, and allows the first light beam to transmit therethrough; and a second polarizer arranged in an optical path of light beams reflected from the beam splitter, and allows the second light beam to transmit therethrough."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Polarization-separation device, optical scanning apparatus, and image forming apparatus","description":"A polarization-separation device includes: a beam splitter that includes a beam-separating surface, on which a light beam that contains a first light beam and a second light beam impinges, wherein pol","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8531766","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-8531766","citation_suggestion":"Patentable. \"Polarization-separation device, optical scanning apparatus, and image forming apparatus\" (US-8531766). https://patentable.app/patents/US-8531766","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8531766","json":"https://patentable.app/api/llm-context/US-8531766","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T12:44:46.986Z"}