{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9841842","patent":{"patent_number":"US-9841842","title":"Scrolling input device","assignee":null,"inventors":[],"filing_date":"2010-12-20T00:00:00.000Z","publication_date":"2017-12-12T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F"],"num_claims":17,"abstract":"An input device may include an image sensor having an imaging surface that includes an array of pixels, and an optical waveguide layer carried by the imaging surface and having an exposed user surface and a first refractive index associated therewith. The input device may also include a substrate between the optical waveguide layer and the image sensor and having a second refractive index associated therewith that is lower than first refractive index. A collimation layer may be between the image sensor and the substrate. A light source may be configured to transmit light into the optical waveguide so that the light therein undergoes a total internal reflection. The optical waveguide may be adjacent the imaging surface so that an object brought into contact with the exposed user surface disturbs the total internal reflection resulting in an image pattern on the imaging surface."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Scrolling input device","description":"An input device may include an image sensor having an imaging surface that includes an array of pixels, and an optical waveguide layer carried by the imaging surface and having an exposed user surface","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9841842","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-9841842","citation_suggestion":"Patentable. \"Scrolling input device\" (US-9841842). https://patentable.app/patents/US-9841842","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9841842","json":"https://patentable.app/api/llm-context/US-9841842","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:44:01.375Z"}