{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11300647","patent":{"patent_number":"US-11300647","title":"Long range navigation system having direct sequence spread spectrum (DSSS) RF signal","assignee":null,"inventors":[],"filing_date":"2019-03-01T00:00:00.000Z","publication_date":"2022-04-12T00:00:00.000Z","cpc_codes":["G01S","G01S","G01S","G01S","G01S","G01S"],"num_claims":27,"abstract":"A long range navigation system may include radio frequency (RF) transmitter stations at fixed geographical locations, each having an RF transmitter and an RF modulator coupled to the RF transmitter, and configured to generate a direct sequence spread spectrum (DSSS) RF signal being spectrally shaped so that 99% of power from the RF transmitter is within the frequency range of 90-110 KHz. Movable RF receiver units each include an RF receiver and a demodulator coupled to the RF receiver configured to demodulate the DSSS RF signal to determine a position of the movable RF receiver unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Long range navigation system having direct sequence spread spectrum (DSSS) RF signal","description":"A long range navigation system may include radio frequency (RF) transmitter stations at fixed geographical locations, each having an RF transmitter and an RF modulator coupled to the RF transmitter, a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11300647","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-11300647","citation_suggestion":"Patentable. \"Long range navigation system having direct sequence spread spectrum (DSSS) RF signal\" (US-11300647). https://patentable.app/patents/US-11300647","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11300647","json":"https://patentable.app/api/llm-context/US-11300647","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T08:29:05.203Z"}