{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9606849","patent":{"patent_number":"US-9606849","title":"Watchdog apparatus and control method thereof","assignee":null,"inventors":[],"filing_date":"2014-09-04T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["G06F","G05B","G06F"],"num_claims":7,"abstract":"The present invention provides a watchdog apparatus in which a main MCU and a sub MCU are connected by SPI communication, including: a token generating unit which generates a seed value and generates at least two tokens using the seed value; a watchdog signal generating unit which generates a watchdog signal corresponding to the generated token; a signal determining unit which determines whether the generated watchdog signal is in a normal state and thus provides an advantageous effect which may detect an abnormality of the MCU only using a software logic without providing an additional configuration."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Watchdog apparatus and control method thereof","description":"The present invention provides a watchdog apparatus in which a main MCU and a sub MCU are connected by SPI communication, including: a token generating unit which generates a seed value and generates ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9606849","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-9606849","citation_suggestion":"Patentable. \"Watchdog apparatus and control method thereof\" (US-9606849). https://patentable.app/patents/US-9606849","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9606849","json":"https://patentable.app/api/llm-context/US-9606849","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:52:35.967Z"}