G01S 5/021
Calibration, monitoring or correction
Official title: {Calibration, monitoring or correction (G01S5/0252 takes precedence)}
G01S5/021 (Calibration, monitoring or correction) appears on 1,155 US grants and 1,329 published applications in this corpus.
Search patents in G01S- Granted patents
- 1,155
- Published applications
- 1,329
- Assignees
- 541
- Inventors
- 2,235
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 15 | 0 |
| 2001 | 13 | 6 |
| 2002 | 22 | 24 |
| 2003 | 16 | 32 |
| 2004 | 13 | 39 |
| 2005 | 22 | 33 |
| 2006 | 24 | 37 |
| 2007 | 29 | 29 |
| 2008 | 27 | 47 |
| 2009 | 30 | 24 |
| 2010 | 35 | 37 |
| 2011 | 30 | 52 |
| 2012 | 38 | 39 |
| 2013 | 35 | 68 |
| 2014 | 44 | 67 |
| 2015 | 67 | 69 |
| 2016 | 80 | 68 |
| 2017 | 72 | 70 |
| 2018 | 46 | 48 |
| 2019 | 61 | 55 |
| 2020 | 55 | 59 |
| 2021 | 55 | 53 |
| 2022 | 49 | 79 |
| 2023 | 46 | 76 |
| 2024 | 66 | 106 |
| 2025 | 67 | 84 |
| 2026 | 67 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultra-wideband location systems and methods6 Oct 2026US 12,756,996 B2Be Spoon
- Cellular tower and base station localization6 Oct 2026US 12,757,157 B2NextNav France
- System and method for classifying a type of calibration or maintenance event of a phone location unit in a volume based on sensor fusion22 Sep 2026US 12,742,850 B2Saverone 2014 Ltd.
- Counteracting human blockage in wireless indoor positioning15 Sep 2026US 12,736,609 B2Samsung Electronics Co., Ltd.
- Data processing system in which distance measurement is performed, control method therefor, and storage medium15 Sep 2026US 12,736,648 B2Canon Kabushiki Kaisha
- Bluetooth ranging correction method and apparatus, initiator, and medium1 Oct 2026US 2026/0299115 A1Kunshan Telink Semiconductor Co., Ltd.
- Systems and methods for remote monitoring care using wireless sensing technologies24 Sep 2026US 2026/0287704 A1Aerial Technologies Inc.
- Phase difference measurement for carrier phase-based positioning13 Aug 2026US 2026/0239046 A1QUALCOMM Incorporated
- Methods and apparatuses for verification of wireless device location over satellite access network6 Aug 2026US 2026/0231093 A1Shenzhen Tcl New Technology Co., Ltd.
- Calibration for wireless distance estimation30 Jul 2026US 2026/0219353 A1QUALCOMM Incorporated
Most cited
By later US patents
- Wireless location using multiple location estimators1,020US 6,249,252 B1TracBeam LLC · 2001
- Location of a mobile station using a plurality of commercial wireless infrastructures1,007US 6,236,365 B1TracBeam LLC · 2001
- Internet distributed real-time wireless location database804US 6,456,852 B2Motorola, Inc. · 2002
- Geographic location using multiple location estimators608US 7,298,327 B2TracBeam LLC · 2007
- Communication system and method for determining the location of a transponder unit570US 5,365,516 APinpoint Communications, Inc. · 1994