H04B 3/08
In negative-feedback path of line amplifier
Official title: in negative-feedback path of line amplifier
H04B3/08 (In negative-feedback path of line amplifier) appears on 20 US grants and 13 published applications in this corpus.
Search patents in H04B- Granted patents
- 20
- Published applications
- 13
- Assignees
- 21
- Inventors
- 44
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication circuitry for preventing loss of received signals, and electronic device comprising same19 May 2026US 12,633,950 B2Samsung Electronics Co., Ltd.
- Antenna system28 Oct 2025US 12,457,004 B2Harman Becker Automotive Systems GmbH
- Cable network system for bidirectional communication at an enhanced duplex frequency range14 Jan 2025US 12,199,690 B2Ppc Broadband, Inc.
- Cable network system for bidirectional communication at an enhanced duplex frequency range14 Nov 2023US 11,817,915 B2Ppc Broadband, Inc.
- Analog front-end receiver and electronic device including the same receiver6 Dec 2022US 11,522,736 B2Samsung Electronics Co., Ltd.
- Cable network system for bidirectional communication at an enchanced duplex frequency range27 Mar 2025US 2025/0105874 A1Ppc Broadband, Inc.
- Cable network system for bidirectional communication at an enhanced duplex frequency range1 Feb 2024US 2024/0039578 A1Ppc Broadband, Inc.
- Communication circuitry for preventing loss of received signals, and electronic device comprising same21 Dec 2023US 2023/0412200 A1Samsung Electronics Co., Ltd.
- Antenna system2 Nov 2023US 2023/0353190 A1Harman Becker Automotive Systems GmbH
- Cable network system for bidirectional communication at an enhanced duplex frequency range17 Nov 2022US 2022/0368372 A1Ppc Broadband, Inc.
Most cited
By later US patents
- Adaptive transmitter for digital transmission34US 6,229,855 B1ADC Telecommunications, Inc. · 2001
- Decision feedback equalizer with second-order recursive filter controlled with two feedback coefficients13US 5,440,583 ANEC Corporation · 1995
- Remote antenna compensation10US 10,021,652 B2NXP B. V. · 2018
- Repeater for a digital transmission system9US 4,592,068 AInternational Standard Electric Corporation · 1986
- Broadband amplifier5US 3,944,943 AGTE Sylvania Incorporated · 1976