H04B 1/1661
Reduction of noise by manipulation of the baseband composite stereophonic signal or
Official title: {Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels}
H04B1/1661 (Reduction of noise by manipulation of the baseband composite stereophonic signal or) appears on 192 US grants and 96 published applications in this corpus.
Search patents in H04B- Granted patents
- 192
- Published applications
- 96
- Assignees
- 107
- Inventors
- 284
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 10 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 10 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 6 |
| 2003 | 3 | 4 |
| 2004 | 5 | 4 |
| 2005 | 1 | 8 |
| 2006 | 5 | 5 |
| 2007 | 6 | 6 |
| 2008 | 1 | 3 |
| 2009 | 4 | 4 |
| 2010 | 5 | 1 |
| 2011 | 5 | 6 |
| 2012 | 2 | 3 |
| 2013 | 5 | 8 |
| 2014 | 1 | 3 |
| 2015 | 7 | 0 |
| 2016 | 7 | 4 |
| 2017 | 3 | 4 |
| 2018 | 6 | 7 |
| 2019 | 4 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 4 |
| 2022 | 3 | 2 |
| 2023 | 3 | 4 |
| 2024 | 3 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Full duplex adaptive array24 Mar 2026US 12,587,352 B2TM IP Holdings, LLC
- Determining LO leakage and quadrature error parameters of an RF front end29 Jul 2025US 12,375,115 B2Analog Devices, Inc.
- Remote radio unit using adaptive compression in a distributed radio access network25 Jun 2024US 12,021,672 B2CommScope Technologies LLC
- Receiver circuitry having a transistor pair for input voltage clipping23 Jan 2024US 11,881,884 B2Xilinx, Inc.
- Digital radio frequency transmitter and wireless communication device including the same9 Jan 2024US 11,870,471 B2Samsung Electronics Co., Ltd.
- Radio access network system with orchestration entity24 Oct 2024US 2024/0356789 A1CommScope Technologies LLC
- Digital cancellation of cim3 distortion for digital transmitters10 Oct 2024US 2024/0340030 A1Avago Technologies International Sales Pte. Limited
- Full duplex adaptive array8 Aug 2024US 2024/0267195 A1TM IP Holdings, LLC
- Receiver circuitry having a transistor pair for input voltage clipping21 Sep 2023US 2023/0299802 A1Xilinx, Inc.
- Digital radio frequency transmitter and wireless communication device including the same25 May 2023US 2023/0163790 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Remote radio unit with adaptive fronthaul link using adaptive compression56US 9,998,310 B22018
- Baseband unit with adaptive fronthaul link for a distributed radio access network45US 10,355,895 B22019
- Baseband unit with adaptive fronthaul link and bypass of MAC function40US 10,097,391 B22018
- High-quality reception indicating circuit for FM receivers35US 5,125,105 AFord Motor Company · 1992
- Reduction of adjacent channel interference33US 4,206,317 A1980