H04L 2027/0051
Harmonic tracking
Official title: {Harmonic tracking}
H04L2027/0051 (Harmonic tracking) appears on 62 US grants and 47 published applications in this corpus.
Search patents in H04L- Granted patents
- 62
- Published applications
- 47
- Assignees
- 50
- Inventors
- 128
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 3 | 1 |
| 2012 | 3 | 4 |
| 2013 | 4 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 4 | 5 |
| 2017 | 3 | 4 |
| 2018 | 5 | 5 |
| 2019 | 7 | 2 |
| 2020 | 1 | 5 |
| 2021 | 3 | 0 |
| 2022 | 3 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for demodulating a RF signal in the presence of inband harmonic spurs14 Oct 2025US 12,445,331 B2STMicroelectronics (Grand Ouest) SAS
- Harmonic filters for polar modulators2 Apr 2024US 11,949,546 B2Eridan Communications, Inc.
- Carrier and sampling frequency offset estimation for RF communication with crystal-less nodes8 Nov 2022US 11,496,174 B1The Regents of the University of Michigan
- Method and apparatus for transmitting information to avoid in-device interference12 Apr 2022US 11,304,191 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Acoustic secure transmission (AST)4 Jan 2022US 11,218,348 B2Samsung Electronics Co., Ltd.
- 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
- Harmonic Filters for Polar Modulators8 Dec 2022US 2022/0393931 A1Eridan Communications, Inc.
- Carrier And Sampling Frequency Offset Estimation For RF Communication With Crystal-Less Nodes27 Oct 2022US 2022/0345340 A1The Regents of the University of Michigan
- Method and apparatus for transmitting information16 Apr 2020US 2020/0120678 A1Beijing Xiaomi Mobile Software Co., Ltd.
Most cited
By later US patents
- Apparatus and method for measuring sub-carrier frequencies and sub-carrier frequency offsets75US 6,757,344 B2Nortel Networks Limited · 2004
- Tuner with quadrature downconverter for pulse amplitude modulated data applications45US 5,528,633 AComstream Corporation · 1996
- Method and apparatus for partial response demodulation41US 5,214,390 AScientific-Atlanta, Inc. · 1993
- L-band tuner with quadrature downconverter for PSK data applications38US 5,325,401 AComstream Corporation · 1994
- Transpositional modulation systems and methods37US 9,014,293 B2TM IP Holdings, LLC · 2015