G01S 7/406
Using internally generated reference signals
Official title: {using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder}
G01S7/406 (Using internally generated reference signals) appears on 326 US grants and 287 published applications in this corpus.
Search patents in G01S- Granted patents
- 326
- Published applications
- 287
- Assignees
- 193
- Inventors
- 704
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 1 |
| 2002 | 6 | 3 |
| 2003 | 5 | 5 |
| 2004 | 4 | 0 |
| 2005 | 2 | 5 |
| 2006 | 2 | 2 |
| 2007 | 4 | 2 |
| 2008 | 4 | 6 |
| 2009 | 9 | 8 |
| 2010 | 4 | 2 |
| 2011 | 7 | 5 |
| 2012 | 4 | 6 |
| 2013 | 2 | 5 |
| 2014 | 5 | 7 |
| 2015 | 7 | 8 |
| 2016 | 5 | 6 |
| 2017 | 6 | 9 |
| 2018 | 9 | 18 |
| 2019 | 15 | 26 |
| 2020 | 21 | 25 |
| 2021 | 16 | 41 |
| 2022 | 29 | 31 |
| 2023 | 28 | 18 |
| 2024 | 27 | 21 |
| 2025 | 15 | 17 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Testing device for testing a distance sensor that operates using electromagnetic waves29 Sep 2026US 12,748,183 B2dSPACE GmbH
- Device and method for emulating a moving object in a radio frequency (RF) channel15 Sep 2026US 12,736,621 B2Rohde & Schwarz GmbH & Co.KG
- Pulse radar device and operating method thereof8 Sep 2026US 12,730,207 B2Electronics and Telecommunications Research Institute
- Radar target simulation with range migration25 Aug 2026US 12,716,997 B2GM Cruise Holdings LLC
- Devices having a phased-array antenna and calibration method therefor11 Aug 2026US 12,706,378 B2Rafael Advanced Defense Systems Ltd.
- Radar apparatus and method for operating a radar apparatus20 Aug 2026US 2026/0243867 A1
- Wireless network device and radar transmission method using the same6 Aug 2026US 2026/0227488 A1Realtek Semiconductor Corp.
- Electronic device for outputting wireless signal based on chirp signal by modifying frequency of frequency synthesizing circuit and method thereof6 Aug 2026US 2026/0230365 A1Samsung Electronics Co., Ltd.
- Vehicular radar sensing system with noise cancellation element18 Jun 2026US 2026/0169145 A1Magna Electronics Inc.
- Method for reducing radar signal noise and computer4 Jun 2026US 2026/0153598 A1Vitesco Technologies GmbH
Most cited
By later US patents
- Advanced touchless plumbing systems203US 6,250,601 B1Kohler Co. · 2001
- All weather tactical strike system (AWTSS) and method of operation145US 5,245,347 ARaytheon Company · 1993
- Methods and apparatus for optimizing interferometric radar altimeter cross track accuracy107US 6,731,236 B1Honeywell International Inc. · 2004
- Earth-penetrating synthetic image radar89US 5,339,080 AColeman Research Corporation · 1994
- Method and apparatus for material level measurement using stepped frequency microwave signals74US 5,406,842 AMotorola, Inc. · 1995