# SignalTrace patent US 11,941,716 B2 > *Audited source extract. The dossier was used only as a lead; the underlying source was independently acquired and checked on 2026-07-20.* ## Source metadata - **Publisher:** United States Patent and Trademark Office - **Original dossier URL:** https://patents.google.com/patent/US11941716B2/en - **Resolved/canonical URL used:** https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/11941716 - **Publication date:** 2024-03-26 - **Underlying event or version:** not separately stated - **Archived:** 2026-07-20, from unauthenticated public access; no cookies, tokens, or login state retained - **Wayback snapshot:** save failed on 2026-07-20 after the archive service returned HTTP 403; retry pending ## Verification verdict **supported with narrower wording** — US 11,941,716 B2 supports the disclosed RF/Bluetooth/Wi-Fi/RFID, likelihood, association, off-road, and plate-correlation embodiments. Patent disclosure is not proof that every marketed or deployed sensor implements every embodiment. ## Claim boundary This source is authoritative only within the source class and limitations stated above. ## Extract **Extracted-text lines 1-3:** > US11941716B2 - Systems and methods for electronic signature tracking > - Google Patents > US11941716B2 - Systems and methods for electronic signature tracking **Extracted-text lines 210-214:** > G06V20/62 > — > Text, e.g. of license plates, overlay texts or captions on TV images > G06V20/625 > — **Extracted-text lines 348-352:** > is configured to receive information collected or captured by the collection systems 12 and to identify and/or track targets 11 based on this received information. > the intelligence system 40 > can be in wireless communication with the collection systems 12 , e.g., through a public or private network using Wifi, cellular, etc. . . . . > the intelligence system 40 and one or more of the collection systems 12 > can be connected through one or more wired connections. **Extracted-text lines 386-390:** > further can generate alerts or notifications when certain targets 11 are in proximity to the collection systems 12 . Still further, the surveillance system 10 further allows for the searches or queries of the intelligence database 44 , e.g., for investigating locations or movements of suspects or other persons of interest. > the correlation and search engine 42 > can use algorithms, models, etc., to infer relationships between transmitting electronic devices 26 and targets 11 based on consistency or likelihood of correlation of the visual identifiers and electronic signals of the transmitting electronic devices. > the correlation and search engine 42 > can be configured to evaluate and combine singular collection events at the collection systems 12 with other catalogued events in the intelligence database 44 to develop correlated information related to the intersection of multiple collected/captured electronic signals that occurred at a specific time and geographical area or location. **Wayback failure**: The bounded Save Page Now pass stopped after the archive service returned HTTP 403 on the first request. This source was not individually retried; retry pending. ## Notes - Tier: 2 — Tier 2 primary public record. - The excerpt is bounded to the claims audited here; consult the preserved original for full context. - Cited by: see `citing_pages:` frontmatter; populated after wiki integration.