{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9648221","patent":{"patent_number":"US-9648221","title":"Autofocus system using phase difference data for electronic device and electronic device using the same","assignee":null,"inventors":[],"filing_date":"2014-04-03T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":8,"abstract":"An electronic device including an image sensor, a phase difference autofocus (AF) sensor module, a reflection-type infrared (IR) cut-off filter, and an absorption-type IR cut-off filter, wherein the reflection-type IR cut-off filter is disposed on an optical axis to reflect a first portion of light incident thereon through an imaging lens to the phase difference AF sensor module and to allow a second portion of the light to be transmitted therethrough, the absorption-type IR cut-off filter is disposed between the image sensor and the reflection-type IR cut-off filter on the optical axis to filter the second portion of the light transmitted through the reflection-type IR cut-off filter, and the phase difference AF sensor module performs auto-focusing on a subject using the first portion of the light reflected from the reflection-type IR cut-off filter."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Autofocus system using phase difference data for electronic device and electronic device using the same","description":"An electronic device including an image sensor, a phase difference autofocus (AF) sensor module, a reflection-type infrared (IR) cut-off filter, and an absorption-type IR cut-off filter, wherein the r","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9648221","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-9648221","citation_suggestion":"Patentable. \"Autofocus system using phase difference data for electronic device and electronic device using the same\" (US-9648221). https://patentable.app/patents/US-9648221","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9648221","json":"https://patentable.app/api/llm-context/US-9648221","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:39:34.150Z"}