H04B 3/14
Characterised by the equalising network used
Official title: characterised by the equalising network used
H04B3/14 (Characterised by the equalising network used) appears on 372 US grants and 218 published applications in this corpus.
Search patents in H04B- Granted patents
- 372
- Published applications
- 218
- Assignees
- 206
- Inventors
- 614
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 14 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 14 | 0 |
| 1981 | 13 | 0 |
| 1982 | 11 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 3 | 3 |
| 2003 | 9 | 6 |
| 2004 | 3 | 8 |
| 2005 | 6 | 8 |
| 2006 | 4 | 9 |
| 2007 | 7 | 10 |
| 2008 | 4 | 10 |
| 2009 | 11 | 8 |
| 2010 | 11 | 16 |
| 2011 | 8 | 9 |
| 2012 | 16 | 11 |
| 2013 | 16 | 13 |
| 2014 | 15 | 16 |
| 2015 | 13 | 12 |
| 2016 | 13 | 7 |
| 2017 | 16 | 15 |
| 2018 | 9 | 4 |
| 2019 | 11 | 12 |
| 2020 | 7 | 6 |
| 2021 | 6 | 4 |
| 2022 | 5 | 10 |
| 2023 | 6 | 5 |
| 2024 | 4 | 6 |
| 2025 | 5 | 4 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Equalizer with all-pass filter delay22 Sep 2026US 12,744,695 B2Cisco Technology, Inc.
- Electronic tunable cable simulator11 Aug 2026US 12,707,021 B2ARRIS Enterprises LLC
- Dual-mode receiver termination detection circuit9 Jun 2026US 12,652,075 B1Cadence Design Systems, Inc.
- Systems and methods for frequency equalization and temperature compensation in radio frequency devices26 May 2026US 12,640,701 B2Smiths Interconnect Americas, Inc.
- Graphical user interface for controlling extended spectrum DOCSIS amplifier5 May 2026US 12,619,344 B2ARRIS Enterprises LLC
- Hybrid circuit with high linearity for single-ended and bi-directional transceiver and extracting method of inbound signal thereof23 Jul 2026US 2026/0213784 A1National Cheng Kung University
- Equalizer with all-pass filter delay9 Jul 2026US 2026/0197212 A1Cisco Technology, Inc.
- Amplifier for extended spectrum docsis12 Mar 2026US 2026/0072583 A1ARRIS Enterprises LLC
- Wireline receiver with improved timing and related margins4 Dec 2025US 2025/0373284 A1M31 Technology Corporation
- Equalizer Circuits And Methods For Transmitting Data Using Three-Level Signaling10 Jul 2025US 2025/0226853 A1Altera Corporation
Most cited
By later US patents
- Analog receive equalizer for digital-subscriber-line communications system165US 6,226,322 B1Texas Instruments Incorporated · 2001
- Method and apparatus for equalization of data transmission system144US 4,797,898 ARacal Data Communications Inc. · 1989
- Channel equalizer and method for cancelling ghosts63US 4,359,778 AZenith Radio Corporation · 1982
- High bandwidth programmable transmission line pre-emphasis method and circuit57US 8,295,336 B2Micrel, Inc. · 2012
- Equalizer circuit, communication system, and method that is adaptive to varying launch amplitudes for reducing receiver error56US 7,620,101 B1Cypress Semiconductor Corporation · 2009