{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9743264","patent":{"patent_number":"US-9743264","title":"Systems and methods for space-based digital selective calling","assignee":null,"inventors":[],"filing_date":"2016-10-24T00:00:00.000Z","publication_date":"2017-08-22T00:00:00.000Z","cpc_codes":["H04W","G01S","G01S","G08G","H04B","H04B","H04W","H04W","H04W","G01S","H04W"],"num_claims":20,"abstract":"Systems (100) and methods (400) for providing Digital Selective Calling (“DSC”) based services. The methods involve: using Space-Born Maritime (“SBM”) receivers of satellites (104) deployed in space as a satellite constellation to collect and process DSC emergency messages transmitted from DSC transmitters of terrestrial radios; using the satellites to position validate the DSC emergency messages; determining first positions of the DSC transmitters in transit based on geolocation data and time location data respectively assigned by the satellites to the DSC emergency messages; and validating the first positions to more precise second positions based on results of cross-correlations of the geolocation data and time location data with Automatic Identification Systems (“AIS”) data obtained for the DSC transmitters."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and methods for space-based digital selective calling","description":"Systems (100) and methods (400) for providing Digital Selective Calling (“DSC”) based services. The methods involve: using Space-Born Maritime (“SBM”) receivers of satellites (104) deployed in space a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9743264","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-9743264","citation_suggestion":"Patentable. \"Systems and methods for space-based digital selective calling\" (US-9743264). https://patentable.app/patents/US-9743264","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9743264","json":"https://patentable.app/api/llm-context/US-9743264","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:39:38.239Z"}