G01S 13/79
Systems using random coded signals or random pulse repetition frequencies
Official title: Systems using random coded signals or random pulse repetition frequencies {, e.g. "Separation and Control of Aircraft using Non synchronous Techniques" [SECANT]}
G01S13/79 (Systems using random coded signals or random pulse repetition frequencies) appears on 42 US grants and 32 published applications in this corpus.
Search patents in G01S- Granted patents
- 42
- Published applications
- 32
- Assignees
- 32
- Inventors
- 88
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 5 |
| 2017 | 2 | 1 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 4 |
| 2024 | 2 | 3 |
| 2025 | 4 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication system and communication instruments23 Jun 2026US 12,662,084 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Backscatter-based positioning2 Dec 2025US 12,487,311 B2QUALCOMM Incorporated
- Up-sampling and cross-correlation for time of arrival determinations in passive entry/passive start systems8 Apr 2025US 12,270,894 B2Denso Corporation
- Techniques for wide bandwidth positioning in a wireless local area network1 Apr 2025US 12,267,709 B2QUALCOMM Incorporated
- Radar interference detection and mitigation14 Jan 2025US 12,196,844 B2GM Cruise Holdings LLC
- Method for secure time of arrival measurement12 Mar 2026US 2026/0072158 A1Infineon Technologies Switzerland AG
- Up-sampling and cross-correlation for time of arrival determinations in passive entry/passive start systems17 Jul 2025US 2025/0231292 A1Denso Corporation
- Short-range wireless distance ranging12 Jun 2025US 2025/0189657 A1NXP B. V.
- Communication system and communication instruments6 Feb 2025US 2025/0042362 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Method and system for ultra-wideband two-way ranging21 Nov 2024US 2024/0385309 A1Qorvo US, Inc.
Most cited
By later US patents
- Dual band communication receiver166US 4,910,521 ATexas Instruments Incorporated · 1990
- Tactical nagivation and communication system115US 4,232,313 AThe United States of America as represented by the Secretary of the Navy · 1980
- Discrete address beacon, navigation and landing system (DABNLS)96US 4,454,510 A1984
- Method and apparatus for integrating wireless communication and asset location73US 7,411,921 B2RF Technologies, Inc. · 2008
- Range determining system66US 4,278,977 ARCA Corporation · 1981