{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11509872","patent":{"patent_number":"US-11509872","title":"Projection video display apparatus with variable light adjustment for multi-screen projection mode","assignee":null,"inventors":[],"filing_date":"2021-06-14T00:00:00.000Z","publication_date":"2022-11-22T00:00:00.000Z","cpc_codes":["H04N","G06F","H04N","H04N"],"num_claims":23,"abstract":"A projection video display apparatus includes a video input unit, a light source, a display element, a projection optical system, and a variable light adjusting function which changes the amount of light incident on the display element. Display modes using the variable light adjusting function are prepared, and one display mode of the display modes can be selected from a menu screen. Further, the display modes of the display video using the variable light adjusting function includes: a first display mode where the input video is displayed while changing a light adjusting amount in accordance with light adjusting control information, which is input from external equipment and is capable of controlling the variable light adjusting function in unit of frame of a projected video; and a second display mode where the input video is displayed while changing a light adjusting amount in accordance with the input video."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Projection video display apparatus with variable light adjustment for multi-screen projection mode","description":"A projection video display apparatus includes a video input unit, a light source, a display element, a projection optical system, and a variable light adjusting function which changes the amount of li","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11509872","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-11509872","citation_suggestion":"Patentable. \"Projection video display apparatus with variable light adjustment for multi-screen projection mode\" (US-11509872). https://patentable.app/patents/US-11509872","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11509872","json":"https://patentable.app/api/llm-context/US-11509872","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:38:01.267Z"}