{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9791568","patent":{"patent_number":"US-9791568","title":"Device for determining the distance to an outer surface of a roll of material and related method","assignee":null,"inventors":[],"filing_date":"2014-12-31T00:00:00.000Z","publication_date":"2017-10-17T00:00:00.000Z","cpc_codes":["G01S","G01S","G01S"],"num_claims":21,"abstract":"A sensing device is for sensing an outer surface of a roll of material. An infrared (IR) laser source is configured to direct IR laser radiation to the outer surface of the roll of material. A single photon avalanche diode (SPAD) detector is configured to receive reflected IR laser radiation from the outer surface of the roll of material. A controller is coupled to the IR laser source and the SPAD detector to determine a distance to the outer surface of the roll of material based upon a time-of-flight of the IR laser radiation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Device for determining the distance to an outer surface of a roll of material and related method","description":"A sensing device is for sensing an outer surface of a roll of material. An infrared (IR) laser source is configured to direct IR laser radiation to the outer surface of the roll of material. A single ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9791568","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-9791568","citation_suggestion":"Patentable. \"Device for determining the distance to an outer surface of a roll of material and related method\" (US-9791568). https://patentable.app/patents/US-9791568","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9791568","json":"https://patentable.app/api/llm-context/US-9791568","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:21:58.344Z"}