H04L 27/2271
Wherein the carrier recovery circuit uses only the demodulated signals
Official title: {wherein the carrier recovery circuit uses only the demodulated signals}
H04L27/2271 (Wherein the carrier recovery circuit uses only the demodulated signals) appears on 617 US grants and 249 published applications in this corpus.
Search patents in H04L- Granted patents
- 617
- Published applications
- 249
- Assignees
- 280
- Inventors
- 981
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 14 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 10 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 11 | 0 |
| 1987 | 19 | 0 |
| 1988 | 4 | 0 |
| 1989 | 21 | 0 |
| 1990 | 15 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 18 | 0 |
| 1999 | 22 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 8 |
| 2002 | 18 | 13 |
| 2003 | 16 | 14 |
| 2004 | 23 | 12 |
| 2005 | 13 | 9 |
| 2006 | 16 | 8 |
| 2007 | 14 | 15 |
| 2008 | 7 | 12 |
| 2009 | 9 | 3 |
| 2010 | 12 | 8 |
| 2011 | 10 | 7 |
| 2012 | 10 | 9 |
| 2013 | 7 | 15 |
| 2014 | 21 | 11 |
| 2015 | 19 | 19 |
| 2016 | 15 | 8 |
| 2017 | 13 | 16 |
| 2018 | 17 | 9 |
| 2019 | 16 | 15 |
| 2020 | 14 | 14 |
| 2021 | 11 | 6 |
| 2022 | 2 | 5 |
| 2023 | 6 | 3 |
| 2024 | 5 | 6 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for processing variable coding and modulation (VCM) based communication signals using feedforward carrier and timing recovery10 Mar 2026US 12,574,272 B2Kratos Integral Holdings, LLC
- Electronic circuit for delivering signals in quadrature11 Nov 2025US 12,470,447 B2STMicroelectronics France
- Hybrid clocking scheme for SERDES physical layer circuits12 Aug 2025US 12,388,692 B2QUALCOMM Incorporated
- Method and apparatus for transmitting PLCP frame in wireless local area network system3 Jun 2025US 12,323,283 B2Telefonaktiebolaget LM Ericsson (publ)
- Demodulation device and demodulation method25 Mar 2025US 12,261,569 B2Furuno Electric Co., Ltd.
- Phase-based demodulation in wireless power transfer systems14 May 2026US 2026/0135412 A1STMicroelectronics International N. V.
- Electronic circuit for delivering signals in quadrature5 Feb 2026US 2026/0039520 A1STMicroelectronics France
- 50 gb/s pam4 bi-directional plastic waveguide link having carrier synchronization using pi-based costas loop19 Jun 2025US 2025/0202510 A1Point2 Technology, Inc.
- Hybrid clocking scheme for serdes physical layer circuits15 May 2025US 2025/0158858 A1QUALCOMM Incorporated
- Systems and methods for processing variable coding and modulation (vcm) based communication signals using feedforward carrier and timing recovery5 Dec 2024US 2024/0406044 A1Kratos Integral Holdings, LLC
Most cited
By later US patents
- Apparatus and method for efficient wireless communications in the presence of frequency error210US 5,970,105 ACleveland Medical Devices Inc. · 1999
- 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
- System for remote data collection172US 6,163,276 ACellNet Data Systems, Inc. · 2000
- Carrier recovery circuit for offset QPSK demodulators161US 4,871,975 ANEC Corporation · 1989
- Universal platform for software defined radio148US 6,823,181 B1Sony Corporation · 2004