{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9609385","patent":{"patent_number":"US-9609385","title":"Methods and apparatus to detect people","assignee":null,"inventors":[],"filing_date":"2014-08-28T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["H04N","G06V","G06V","G06V","G06V","H04N","H04N","H04N","H04N","G06V"],"num_claims":41,"abstract":"Methods and apparatus to detect people are disclosed. An example apparatus includes a receiver to obtain respective light information for a plurality of segments of an image, each of the segments corresponding to a portion of a media exposure environment; a pulse identifier to detect a first human pulse pattern in the light information associated with a first one of the segments; and a grouper to determine whether the light information associated with a threshold amount of the segments proximate the first one of the segments includes the first human pulse pattern identified in the first one of the segments, and to generate a presence indication when the light information associated with the threshold amount of the segments proximate the first segment includes the first human pulse pattern."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and apparatus to detect people","description":"Methods and apparatus to detect people are disclosed. An example apparatus includes a receiver to obtain respective light information for a plurality of segments of an image, each of the segments corr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9609385","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-9609385","citation_suggestion":"Patentable. \"Methods and apparatus to detect people\" (US-9609385). https://patentable.app/patents/US-9609385","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9609385","json":"https://patentable.app/api/llm-context/US-9609385","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:57:12.590Z"}