{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11981287","patent":{"patent_number":"US-11981287","title":"On-board device, control system, control circuit, storage medium, and transmission control method","assignee":null,"inventors":[],"filing_date":"2022-03-14T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["H04W","H04W"],"num_claims":11,"abstract":"An on-board device in a control system in which frequencies used for transmitting and receiving a signal between the on-board device and an electronic key are known, and the electronic key transmits a response signal to a desired signal within a specified period when completing reception of the desired signal from the on-board device, the on-board device transmits the desired signal on a first frequency included in a specified frequency band; transmits a dummy signal on a second frequency included in the specified frequency band and different from the first frequency; receives the response signal to the desired signal from the electronic key; and controls to transmit the dummy signal in a period from before stopping transmitting the desired signal to after starting reception of the response signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"On-board device, control system, control circuit, storage medium, and transmission control method","description":"An on-board device in a control system in which frequencies used for transmitting and receiving a signal between the on-board device and an electronic key are known, and the electronic key transmits a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11981287","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-11981287","citation_suggestion":"Patentable. \"On-board device, control system, control circuit, storage medium, and transmission control method\" (US-11981287). https://patentable.app/patents/US-11981287","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11981287","json":"https://patentable.app/api/llm-context/US-11981287","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:40:25.003Z"}