H03F 3/45995
Using switching means
Official title: {using switching means}
H03F3/45995 (Using switching means) appears on 61 US grants and 56 published applications in this corpus.
Search patents in H03F- Granted patents
- 61
- Published applications
- 56
- Assignees
- 51
- Inventors
- 121
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 2 |
| 2003 | 5 | 7 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 4 |
| 2016 | 4 | 0 |
| 2017 | 2 | 2 |
| 2018 | 3 | 4 |
| 2019 | 6 | 0 |
| 2020 | 3 | 5 |
| 2021 | 4 | 4 |
| 2022 | 4 | 6 |
| 2023 | 4 | 3 |
| 2024 | 4 | 2 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Input stage circuit for an operational amplifier with enhanced input offset voltage trimming capabilities14 Jul 2026US 12,683,567 B2Zjw Microelectronics North America Inc.
- Sampling and holding electrical signals with rail-to-rail equivalent output swing17 Dec 2024US 12,170,509 B2Cisco Technology, Inc.
- Circuit element pair matching method and circuit12 Nov 2024US 12,143,078 B2Cirrus Logic, Inc.
- Trimming operational amplifiers20 Aug 2024US 12,068,730 B2Texas Instruments Incorporated
- Low power operational amplifier trim offset circuitry27 Feb 2024US 11,916,516 B2Texas Instruments Incorporated
- Method of operating a differential amplifier arrangement, corresponding differential amplifier, integrated circuit and system30 Apr 2026US 2026/0121584 A1STMicroelectronics International N. V.
- Adjustment circuit and adjustment method using the same, current adjustment circuit and current adjustment method using the same, operational amplifier, and offset adjustment method18 Sep 2025US 2025/0293649 A1Rohm Co., Ltd.
- Input stage circuit for an operational amplifier with enhanced input offset voltage trimming capabilities13 Mar 2025US 2025/0088158 A1Zjw Microelectronics North America Inc.
- Amplifier Auto-Zero Without Signal Switching27 Feb 2025US 2025/0070726 A1SiliconIntervention Inc.
- Capacitively coupled chopper instrumentation amplifier and control method thereof24 Oct 2024US 2024/0356508 A1Tritium Electronics Pte. Ltd.
Most cited
By later US patents
- Biomedical amplifier circuit55US 5,206,602 AHewlett-Packard Company · 1993
- Amplifier circuit with offset compensation44US 6,674,322 B2Infineon Technologies AG · 2004
- Sample and hold circuit and method with common mode differential signal feedback for converting single-ended signals to differential signals37US 5,963,156 ANational Semiconductor Corporation · 1999
- Circuit and method for DC offset calibration and signal processing apparatus using the same37US 6,756,924 B2Integrant Technologies Inc. · 2004
- Chopper-stabilized telescopic differential amplifier19US 6,259,313 B1National Semiconductor Corporation · 2001