G01S 15/526
By comparing echos in different sonar periods
Official title: {by comparing echos in different sonar periods}
G01S15/526 (By comparing echos in different sonar periods) appears on 28 US grants and 27 published applications in this corpus.
Search patents in G01S- Granted patents
- 28
- Published applications
- 27
- Assignees
- 33
- Inventors
- 75
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 4 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 5 |
| 2024 | 3 | 5 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Displacement detection device and method24 Mar 2026US 12,585,013 B2Murata Manufacturing Co., Ltd.
- Human presence detection23 Dec 2025US 12,504,805 B2Elliptic Laboratories ASA
- Ultrasonic device coexistence7 Oct 2025US 12,436,275 B2InvenSense, Inc.
- Ultrasonic testing device, method, program, and ultrasonic testing system21 Jan 2025US 12,203,896 B2Mitsubishi Heavy Industries, Ltd.
- Method and apparatus for detecting a moving object and object counting system15 Oct 2024US 12,117,522 B2Infineon Technologies AG
- Method and system for identifying a stationary target with ultrasound22 May 2025US 2025/0164638 A1InvenSense, Inc.
- Human presence detection11 Jul 2024US 2024/0231464 A1Elliptic Laboratories ASA
- Object detection device27 Jun 2024US 2024/0210557 A1Aisin Corporation
- Displacement detection device and method11 Apr 2024US 2024/0118415 A1Murata Manufacturing Co., Ltd.
- Detection device, image forming apparatus, non-transitory computer readable medium, and detection method14 Mar 2024US 2024/0085556 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Surveillance system in which a reflected signal pattern is compared to a reference pattern80US 4,382,291 ASecom Co., Ltd. · 1983
- Intrusion detection system40US 4,991,146 ADeere & Company · 1991
- Method and an arrangement for distance measurement using the pulse transit time principle29US 5,323,361 AEndress u. Hauser GmbH u. Co. · 1994
- Method and apparatus for fixed target echo suppression in distance measurement on the principle of pulse transit time19US 5,822,275 AEndress + Hauser GmbH + Co. KG · 1998
- Pattern comparison ultrasonic surveillance system with noise suppression18US 4,499,564 ASecom Co., Ltd. · 1985