{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9594439","patent":{"patent_number":"US-9594439","title":"Handwriting input/output system, handwriting input sheet, information input system, and information input assistance sheet","assignee":null,"inventors":[],"filing_date":"2009-11-25T00:00:00.000Z","publication_date":"2017-03-14T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G08C"],"num_claims":50,"abstract":"A handwriting input/output system that allows letters, characters and figures to be input by hand. The handwriting input/output system includes an imaging device that captures and transmits the image of a medium provided with a writing area having a dot pattern that defines coordinate information and code information, a dot pattern analysis device that calculates trajectory information by storing the image data of the dot pattern and analyzing the code of the image data, a trajectory recognition device recognizes the trajectory information of the letter, character, and figure traced on the writing area based on a change in the analyzed coordinate information, and a process instruction device transmits a process instruction based on the recognized information together with the trajectory information to an information processing device, whereby a letter, character, or figure can be input by hand."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Handwriting input/output system, handwriting input sheet, information input system, and information input assistance sheet","description":"A handwriting input/output system that allows letters, characters and figures to be input by hand. The handwriting input/output system includes an imaging device that captures and transmits the image ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9594439","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-9594439","citation_suggestion":"Patentable. \"Handwriting input/output system, handwriting input sheet, information input system, and information input assistance sheet\" (US-9594439). https://patentable.app/patents/US-9594439","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9594439","json":"https://patentable.app/api/llm-context/US-9594439","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:35:43.656Z"}