H03F 3/45479
Characterised by the way of common mode signal rejection
Official title: {characterised by the way of common mode signal rejection}
H03F3/45479 (Characterised by the way of common mode signal rejection) appears on 3,052 US grants and 2,293 published applications in this corpus.
Search patents in H03F- Granted patents
- 3,052
- Published applications
- 2,293
- Assignees
- 862
- Inventors
- 4,758
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 12 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 19 | 0 |
| 1982 | 9 | 0 |
| 1983 | 13 | 0 |
| 1984 | 17 | 0 |
| 1985 | 23 | 0 |
| 1986 | 22 | 0 |
| 1987 | 18 | 0 |
| 1988 | 21 | 0 |
| 1989 | 19 | 0 |
| 1990 | 21 | 0 |
| 1991 | 28 | 0 |
| 1992 | 34 | 0 |
| 1993 | 27 | 0 |
| 1994 | 35 | 0 |
| 1995 | 45 | 0 |
| 1996 | 33 | 0 |
| 1997 | 35 | 0 |
| 1998 | 46 | 0 |
| 1999 | 52 | 0 |
| 2000 | 66 | 0 |
| 2001 | 78 | 22 |
| 2002 | 95 | 88 |
| 2003 | 125 | 90 |
| 2004 | 94 | 80 |
| 2005 | 89 | 138 |
| 2006 | 118 | 99 |
| 2007 | 113 | 101 |
| 2008 | 110 | 106 |
| 2009 | 105 | 105 |
| 2010 | 101 | 76 |
| 2011 | 100 | 61 |
| 2012 | 76 | 95 |
| 2013 | 90 | 87 |
| 2014 | 95 | 76 |
| 2015 | 60 | 74 |
| 2016 | 99 | 76 |
| 2017 | 98 | 86 |
| 2018 | 94 | 91 |
| 2019 | 111 | 91 |
| 2020 | 112 | 116 |
| 2021 | 95 | 98 |
| 2022 | 98 | 92 |
| 2023 | 78 | 94 |
| 2024 | 60 | 115 |
| 2025 | 69 | 72 |
| 2026 | 52 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03F 3/45632In differential amplifiers with fet transistors as the active amplifying circuit1,522
- H03F 3/45928Using ic blocks as the active amplifying circuit1,152
- H03F 3/45484In differential amplifiers with bipolar transistors as the active amplifying circuit356
- H03F 3/4578In differential amplifiers with bifet transistors as the active amplifying circuit44
Recent patents
- Device for converting a photonic signal, associated lidar and method29 Sep 2026US 12,748,187 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Device for converting a photonic signal, associated lidar and method29 Sep 2026US 12,748,188 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Methods and apparatus to determine a bias current of an amplifier29 Sep 2026US 12,750,024 B2Texas Instruments Incorporated
- Method for performing common mode voltage re-biasing in analog front-end circuit of receiver, associated common mode voltage re-biasing circuit, associated receiver and associated integrated circuit29 Sep 2026US 12,750,025 B2Realtek Semiconductor Corp.
- Source amplifier and source driver including source amplifier22 Sep 2026US 12,743,986 B2Korea Advanced Institute of Science and Technology
- Differential charge pump1 Oct 2026US 2026/0303103 A1International Business Machines Corporation
- Systems and methods for low power circuits10 Sep 2026US 2026/0269796 A1National University of Singapore
- Current shunt monitoring system10 Sep 2026US 2026/0269798 A1Faraday Technology Corp.
- Sense amplifier for a physiological sensor and/or other sensors20 Aug 2026US 2026/0240479 A1Inspire Medical Systems, Inc.
- Analog front end with compensated open loop stage20 Aug 2026US 2026/0246430 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Virtual right leg drive and augmented right leg drive circuits for common mode voltage reduction in ECG and EEG measurements219US 5,392,784 AHewlett-Packard Company · 1995
- Subthreshold CMOS amplifier with offset adaptation214US 4,935,702 ASynaptics Incorporated · 1990
- Operational amplifier apparatus211US 5,777,515 AMatsushita Electric Industrial Co., Ltd. · 1998
- High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability183US 6,002,299 ACirrus Logic, Inc. · 1999
- Differential DC offset compensation circuit181US 5,471,665 AMotorola, Inc. · 1995