H04L 25/03828
Arrangements for spectral shaping
Official title: {Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties (partial response systems H04L25/497)}
H04L25/03828 (Arrangements for spectral shaping) appears on 2,210 US grants and 2,181 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,210
- Published applications
- 2,181
- Assignees
- 710
- Inventors
- 3,513
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 16 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 27 | 0 |
| 1999 | 19 | 0 |
| 2000 | 20 | 0 |
| 2001 | 23 | 9 |
| 2002 | 30 | 50 |
| 2003 | 33 | 49 |
| 2004 | 25 | 59 |
| 2005 | 21 | 57 |
| 2006 | 51 | 79 |
| 2007 | 52 | 133 |
| 2008 | 68 | 104 |
| 2009 | 64 | 117 |
| 2010 | 75 | 92 |
| 2011 | 86 | 79 |
| 2012 | 95 | 81 |
| 2013 | 129 | 89 |
| 2014 | 142 | 111 |
| 2015 | 125 | 108 |
| 2016 | 104 | 88 |
| 2017 | 105 | 90 |
| 2018 | 92 | 99 |
| 2019 | 114 | 121 |
| 2020 | 114 | 117 |
| 2021 | 116 | 97 |
| 2022 | 80 | 63 |
| 2023 | 70 | 76 |
| 2024 | 68 | 119 |
| 2025 | 85 | 67 |
| 2026 | 48 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transmission and reception of system information in parts6 Oct 2026US 12,757,106 B2Telefonaktiebolaget LM Ericsson (publ)
- Methods and apparatus for pulse shaped and overlapped phase tracking reference signals29 Sep 2026US 12,750,261 B2Huawei Technologies Co., Ltd.
- Radio communication apparatus and radio communication method22 Sep 2026US 12,744,614 B2Panasonic Holdings Corporation
- Digital domain self-interference cancellation method and apparatus, device, and storage medium15 Sep 2026US 12,738,962 B2Zte Corporation
- Pulse drive circuit and signal transmission device11 Aug 2026US 12,706,598 B2Rohm Co., Ltd.
- Reduced bandwidth pulse shaping schemes for spectral efficiency8 Oct 2026US 2026/0312756 A1QUALCOMM Incorporated
- Signal generator system8 Oct 2026US 2026/0312845 A1
- Dynamic scrambling for wired communications between systems8 Oct 2026US 2026/0312846 A1Micron Technology, Inc.
- Sink device, source device, and control methods for same24 Sep 2026US 2026/0291707 A1Samsung Electronics Co., Ltd.
- Communication method and apparatus24 Sep 2026US 2026/0291784 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Optical communications network466US 4,977,593 ABritish Telecommunications plc · 1990
- Device for in-vivo imaging441US 7,009,634 B2Given Imaging Ltd. · 2006
- Transport of payload information and control messages on multiple orthogonal carriers spread throughout substantially all of a frequency bandwith320US 6,275,990 B1ADC Telecommunications, Inc. · 2001
- Digital compensation for wideband modulation of a phase locked loop frequency synthesizer313US 6,008,703 AMassachusetts Institute of Technology · 1999
- Intelligent backhaul radio and antenna system311US 8,467,363 B2CBF Networks, Inc. · 2013