{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9618621","patent":{"patent_number":"US-9618621","title":"Compact optical tracker having at least one visual indicator coupled to each of optical tracker sensors","assignee":null,"inventors":[],"filing_date":"2014-11-19T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["G01S","A61B","G01S","G01S","G01S","G01S","A61B"],"num_claims":19,"abstract":"An optical tracker is provided herein. The tracker may include at least two optical tracker sensors, facing at least partially each other. Each optical tracker sensor may include: a pixel array sensor configured to generate a pixel-by-pixel stream of values representing a scene; at least one visual indicator physically coupled to said pixel array sensor; and an integrated circuit (IC) physically coupled to said at least one pixel array sensor, and configured to: receive said pixel-by-pixel stream of values; and apply a binary large object (BLOB) analysis to said stream, to yield BLOB parameters indicative of the at least one visual indicator present in the scene in a single pass of the pixels representing the scene; and a computer processor configured to receive said BLOB parameters and calculate a relative position and/or orientation, or a partial data thereof, of the at least two optical tracker sensors."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Compact optical tracker having at least one visual indicator coupled to each of optical tracker sensors","description":"An optical tracker is provided herein. The tracker may include at least two optical tracker sensors, facing at least partially each other. Each optical tracker sensor may include: a pixel array sensor","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9618621","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-9618621","citation_suggestion":"Patentable. \"Compact optical tracker having at least one visual indicator coupled to each of optical tracker sensors\" (US-9618621). https://patentable.app/patents/US-9618621","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9618621","json":"https://patentable.app/api/llm-context/US-9618621","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:41:09.875Z"}