H04L 2025/03471
Tapped delay lines
Official title: {Tapped delay lines (H04L2025/03464 takes precedence)}
H04L2025/03471 (Tapped delay lines) appears on 1,161 US grants and 965 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,161
- Published applications
- 965
- Assignees
- 394
- Inventors
- 1,850
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 17 | 0 |
| 2000 | 25 | 0 |
| 2001 | 47 | 26 |
| 2002 | 44 | 70 |
| 2003 | 32 | 84 |
| 2004 | 67 | 105 |
| 2005 | 46 | 107 |
| 2006 | 87 | 61 |
| 2007 | 83 | 62 |
| 2008 | 86 | 58 |
| 2009 | 73 | 66 |
| 2010 | 68 | 57 |
| 2011 | 43 | 33 |
| 2012 | 64 | 35 |
| 2013 | 60 | 32 |
| 2014 | 49 | 10 |
| 2015 | 40 | 30 |
| 2016 | 30 | 9 |
| 2017 | 15 | 12 |
| 2018 | 17 | 18 |
| 2019 | 26 | 17 |
| 2020 | 18 | 10 |
| 2021 | 18 | 21 |
| 2022 | 17 | 15 |
| 2023 | 15 | 11 |
| 2024 | 12 | 3 |
| 2025 | 6 | 6 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Receiver receiving data signal of multi-level and electronic system including the same22 Sep 2026US 12,744,692 B2Samsung Electronics Co., Ltd.
- Low-power analog decision feedback equalizer18 Aug 2026US 12,712,767 B2NVIDIA Corporation
- Floating tap partially rolled digital feedback equalization architecture14 Jul 2026US 12,683,835 B1Cadence Design Systems, Inc.
- Slicers and temperature offset cancelation circuits for decision feedback equalizers10 Feb 2026US 12,549,417 B2Infineon Technologies Americas Corp.
- Expedited training for fast linkup11 Nov 2025US 12,470,432 B1Credo Technology Group Limited
- Decision feedback equalizer with lower power consumption and high speed13 Aug 2026US 2026/0238522 A1Mediatek Inc.
- Systems and methods for reducing loss and distortion for beamforming2 Jul 2026US 2026/0189272 A1Skyworks Solutions, Inc.
- Decision feedback equaliser circuit23 Apr 2026US 2026/0113219 A1Wave Photonics Ltd
- Semiconductor device and transmission device26 Mar 2026US 2026/0089037 A1
- Monitor circuitry for decision feedback equalized receiver19 Feb 2026US 2026/0052045 A1Rambus Inc.
Most cited
By later US patents
- Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant683US 5,991,308 ATerayon Communication Systems, Inc. · 1999
- Channel equalization system and method265US 6,904,110 B22005
- Low-latency equalization in multi-level, multi-line communication systems264US 7,269,212 B1Rambus Inc. · 2007
- Phase interpolator device and method223US 6,509,773 B2Broadcom Corporation · 2003
- Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems222US 6,760,388 B2QUALCOMM Incorporated · 2004