H04B 3/232
Using phase shift, phase roll or frequency offset correction
Official title: {using phase shift, phase roll or frequency offset correction}
H04B3/232 (Using phase shift, phase roll or frequency offset correction) appears on 74 US grants and 43 published applications in this corpus.
Search patents in H04B- Granted patents
- 74
- Published applications
- 43
- Assignees
- 57
- Inventors
- 166
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 2 | 3 |
| 2016 | 3 | 3 |
| 2017 | 3 | 6 |
| 2018 | 6 | 5 |
| 2019 | 6 | 4 |
| 2020 | 6 | 3 |
| 2021 | 6 | 2 |
| 2022 | 2 | 2 |
| 2023 | 6 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Segmented echo cancellation filter for use in full-duplex communication systems2 Jul 2024US 12,028,126 B1Ethernovia Inc.
- Echo canceller training in full duplex networks16 Jan 2024US 11,876,753 B2ARRIS Enterprises LLC
- Segmented echo cancellation filter for use in full-duplex communication systems20 Jun 2023US 11,683,068 B1Ethernovia Inc.
- Non-line-of-sight (NLOS) coverage for millimeter wave communication23 May 2023US 11,659,409 B2Movandi Corporation
- Transceiver16 May 2023US 11,652,506 B2Realtek Semiconductor Corp.
- Internal reflection tuning and optimization for full duplex node and amplifier25 Jun 2026US 2026/0180620 A1ARRIS Enterprises LLC
- Wireline receiver with improved timing and related margins4 Dec 2025US 2025/0373284 A1M31 Technology Corporation
- Internal reflection cancellation for multi-port full duplex node and amplifier10 Oct 2024US 2024/0340558 A1ARRIS Enterprises LLC
- Transceiver2 Mar 2023US 2023/0060378 A1Realtek Semiconductor Corp.
- Echo canceller training in full duplex networks8 Dec 2022US 2022/0393848 A1ARRIS Enterprises LLC
Most cited
By later US patents
- Echo canceller49US 4,682,358 AAmerican Telephone and Telegraph Company · 1987
- Method for cancelling echo in a transmitter and an apparatus therefor42US 5,018,134 AHitachi, Ltd. · 1991
- Method of and device for the digital cancellation of the echo generated in connections with time-varying characteristics25US 4,736,414 ACSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A. · 1988
- Process and device for adaptive digital cancellation of the echo generated in time-varying telephone connections23US 5,414,766 ASiemens Telecommunicazioni S.p.A. · 1995
- Near and far echo canceller for data communications21US 4,742,510 AMassachusetts Institute of Technology · 1988