H04L 2027/0046
Open loops
Official title: {Open loops}
H04L2027/0046 (Open loops) appears on 365 US grants and 247 published applications in this corpus.
Search patents in H04L- Granted patents
- 365
- Published applications
- 247
- Assignees
- 208
- Inventors
- 729
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 8 | 1 |
| 2002 | 9 | 15 |
| 2003 | 17 | 15 |
| 2004 | 12 | 13 |
| 2005 | 7 | 21 |
| 2006 | 13 | 18 |
| 2007 | 15 | 21 |
| 2008 | 14 | 16 |
| 2009 | 15 | 14 |
| 2010 | 18 | 10 |
| 2011 | 14 | 7 |
| 2012 | 21 | 11 |
| 2013 | 17 | 10 |
| 2014 | 8 | 13 |
| 2015 | 17 | 12 |
| 2016 | 9 | 12 |
| 2017 | 13 | 8 |
| 2018 | 10 | 9 |
| 2019 | 10 | 4 |
| 2020 | 7 | 10 |
| 2021 | 7 | 0 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for demodulating a RF signal in the presence of inband harmonic spurs14 Oct 2025US 12,445,331 B2STMicroelectronics (Grand Ouest) SAS
- System and method for remote digital time transfer23 Sep 2025US 12,425,033 B2National Research Council of Canada
- Electronic device and operation method therefor18 Feb 2025US 12,231,271 B2Samsung Electronics Co., Ltd.
- Harmonic filters for polar modulators2 Apr 2024US 11,949,546 B2Eridan Communications, Inc.
- Transmit spectrum management for Bluetooth communication and apparatus for management13 Jun 2023US 11,677,424 B1NXP USA, Inc.
- Test device for testing a distance sensor that operates using electromagnetic waves, and frequency divider assembly for such a test device2 Oct 2025US 2025/0306169 A1dSPACE GmbH
- Method for demodulating a rf signal in the presence of inband harmonic spurs27 Jun 2024US 2024/0214250 A1STMicroelectronics (Grand Ouest) SAS
- System and method for remote digital time transfer13 Jun 2024US 2024/0195426 A1National Research Council of Canada
- Electronic device and operation method therefor9 Nov 2023US 2023/0362043 A1Samsung Electronics Co., Ltd.
- Harmonic Filters for Polar Modulators8 Dec 2022US 2022/0393931 A1Eridan Communications, Inc.
Most cited
By later US patents
- Self-configurable radio receiver system and method for use with signals without prior knowledge of signal defining characteristics203US 8,358,723 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2013
- Signal processor with improved efficiency106US 5,729,577 AMotorola, Inc. · 1998
- Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing100US 6,275,543 B1ArrayComm, Inc. · 2001
- Carrier wave recovery system apparatus using synchronous detection93US 4,143,322 ANippon Electric Co., Ltd. · 1979
- Synchronization method and apparatus for modems based on jointly iterative turbo demodulation and decoding87US 6,968,021 B1Rockwell Collins, Inc. · 2005