{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9832365","patent":{"patent_number":"US-9832365","title":"Autofocus based on differential measurements","assignee":null,"inventors":[],"filing_date":"2017-01-24T00:00:00.000Z","publication_date":"2017-11-28T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":16,"abstract":"The present invention relates to the field of digital pathology and in particular to whole slide scanners. A tilted autofocus image sensor images an oblique cross-section of the slide. For focusing multiple sequential overlapping images, which have been taken by the tilted sensor, are compared. The axial position of the tissue layer can be determined from the polar error signal resulting from this differential measurement."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Autofocus based on differential measurements","description":"The present invention relates to the field of digital pathology and in particular to whole slide scanners. A tilted autofocus image sensor images an oblique cross-section of the slide. For focusing mu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9832365","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-9832365","citation_suggestion":"Patentable. \"Autofocus based on differential measurements\" (US-9832365). https://patentable.app/patents/US-9832365","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9832365","json":"https://patentable.app/api/llm-context/US-9832365","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:00:31.255Z"}