{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10503056","patent":{"patent_number":"US-10503056","title":"Projector and method of controlling projector that determines whether a lens has been replaced","assignee":null,"inventors":[],"filing_date":"2018-05-23T00:00:00.000Z","publication_date":"2019-12-10T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":8,"abstract":"A projector includes a drive section adapted to move a projection lens, a projection section adapted to project image light through the projection lens, and a determination section adapted to determine whether or not the projection lens has been replaced based on a first position as a position of the projection lens at a first time point at which power supply to the projector is stopped, and a second position as a position of the projection lens at a second time point at which the power supply is started after the first time point."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Projector and method of controlling projector that determines whether a lens has been replaced","description":"A projector includes a drive section adapted to move a projection lens, a projection section adapted to project image light through the projection lens, and a determination section adapted to determin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10503056","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-10503056","citation_suggestion":"Patentable. \"Projector and method of controlling projector that determines whether a lens has been replaced\" (US-10503056). https://patentable.app/patents/US-10503056","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10503056","json":"https://patentable.app/api/llm-context/US-10503056","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:39:46.081Z"}