H04B 3/148
Variable equalisers
Official title: {variable equalisers}
H04B3/148 (Variable equalisers) appears on 15 US grants and 9 published applications in this corpus.
Search patents in H04B- Granted patents
- 15
- Published applications
- 9
- Assignees
- 17
- Inventors
- 32
- Latest grant
- 2 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and systems for use of common mode rejection (CMR) for echo cancellation in uplink communications2 Nov 2021US 11,165,464 B2MaxLinear, Inc.
- Differential pair group equalization system19 May 2020US 10,660,197 B2Dell Products L. P.
- System and method for modulating filter coefficients in a channelizer11 Jun 2019US 10,320,596 B2Raytheon Company
- Multi-stage equalisation method and apparatus for use in telemetry20 Nov 2018US 10,135,489 B2E.V. Offshore Limited
- Adaptive line equalizer for improving data communication over less than perfect power lines or transmission lines9 May 2017US 9,647,722 B2Dockon AG
- Differential pair group equalization system23 Jan 2020US 2020/0029425 A1Dell Products L. P.
- Methods and systems for use of common mode rejection (cmr) for echo cancellation in uplink communications14 Nov 2019US 2019/0349026 A1MaxLinear, Inc.
- System and method for modulating filter coefficients in a channelizer4 Apr 2019US 2019/0104002 A1Raytheon Company
- Multi-Stage Equalisation Method and Apparatus for Use in Telemetry21 Sep 2017US 2017/0272120 A1E.V. Offshore Limited
- Adaptive line equalizer for improving data communication over less than perfect power lines or transmission lines24 Aug 2017US 2017/0244447 A1Dockon AG
Most cited
By later US patents
- Amplifier for correcting group time delay of electrical signals and an intermediate frequency amplifier stage for radio equipment comprising an amplifier of this kind28US 4,559,503 AAlcatel Thomson Faiscequx Hertziens · 1985
- Multi-variate system having an intelligent telecommunications interface with automatic adaptive delay distortion equalization (and related method)23US 5,555,285 AWestell, Inc. · 1996
- Variable delay equalizer18US 3,967,220 ANippon Electric Co., Ltd. · 1976
- Apparatus and method for determining an optimum equalizer setting for a signal equalizer in a communication network receiver16US 6,097,767 AAdvanced Micro Devices, Inc. · 2000
- Microwave delay equalizer comprising a pair of distributed-constant_ elements as a directional coupler10US 4,197,514 ANippon Electric Co., Ltd. · 1980