G01S 1/685
Using pulse modulation
Official title: {using pulse modulation, e.g. pulse frequency modulation}
G01S1/685 (Using pulse modulation) appears on 33 US grants and 27 published applications in this corpus.
Search patents in G01S- Granted patents
- 33
- Published applications
- 27
- Assignees
- 22
- Inventors
- 53
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 5 |
| 2018 | 3 | 2 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Low-frequency radio navigation system31 Dec 2024US 12,181,557 B2Arbiter Systems, Incorporated
- Coarse and fine compensation for frequency error15 Aug 2023US 11,729,040 B2Cypress Semiconductor Corporation
- Low-frequency radio navigation system23 May 2023US 11,656,313 B2Arbiter Systems, Incorporated
- Ultra wideband dynamic positioning method and system thereof5 Jul 2022US 11,378,644 B2Universal Scientific Industrial (Shanghai) Co., Ltd.
- Low-frequency radio navigation system10 Aug 2021US 11,085,989 B2
- Low-frequency radio navigation system13 Mar 2025US 2025/0085377 A1Arbiter Systems, Incorporated
- Low-frequency radio navigation system17 Aug 2023US 2023/0258757 A1Arbiter Systems, Incorporated
- Coarse and fine compensation for frequency error30 Mar 2023US 2023/0097689 A1Cypress Semiconductor Corporation
- Methods and systems for providing positioning information to aircraft23 Mar 2023US 2023/0092711 A1
- Information processing system, information processing method, management device, and program12 May 2022US 2022/0148431 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Method and apparatus for automatic distress call signal transmission67US 4,547,778 ATexas Instruments Incorporated · 1985
- Personnel locating system36US 6,339,709 B12002
- Target tracking transmitter having two levels of power operation23US 4,731,869 APlessey Overseas Limited · 1988
- Transmitter and receiver locating device19US 4,528,566 A1985
- Impact energy powered golf ball transmitter17US 7,791,982 B22010