H03F 2203/45174
The application of the differential amplifier being in an integrator circuit
Official title: the application of the differential amplifier being in an integrator circuit
H03F2203/45174 (The application of the differential amplifier being in an integrator circuit) appears on 38 US grants and 41 published applications in this corpus.
Search patents in H03F- Granted patents
- 38
- Published applications
- 41
- Assignees
- 30
- Inventors
- 86
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 4 |
| 2018 | 3 | 1 |
| 2019 | 2 | 6 |
| 2020 | 5 | 4 |
| 2021 | 7 | 4 |
| 2022 | 4 | 8 |
| 2023 | 2 | 2 |
| 2024 | 6 | 4 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Analog implementation of variable-gain differentiators based on voltage-controlled amplifiers14 Jan 2025US 12,199,580 B2King Fahd University of Petroleum and Minerals
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- Sensing of signals with common mode variation2 Apr 2026US 2026/0095135 A1Cirrus Logic International Semiconductor Ltd.
- Methods and apparatus to regulate an amplifier5 Mar 2026US 2026/0066857 A1Texas Instruments Incorporated
- Integrator circuit with trimmable component and calibration control circuit30 Oct 2025US 2025/0337393 A1
- Variable gain differentiator for analog signal differentiation20 Mar 2025US 2025/0096760 A1King Fahd University of Petroleum and Minerals
- Analog front-end circuit and touch-sensing circuit24 Oct 2024US 2024/0356506 A1Kunshan Yunyinggu Electronic Technology Co., Ltd.
Most cited
By later US patents
- Gain enhancement technique for operational amplifiers40US 5,442,318 AHewlett-Packard Company · 1995
- Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier13US 9,166,541 B2Renesas Electronics Corporation · 2015
- Data storage apparatus and internal voltage trimming circuit and method for trimming an internal voltage6US 10,885,989 B1SK hynix Inc. · 2021
- Auto zero offset current mitigation at an integrator input2US 10,790,791 B2STMicroelectronics Asia Pacific Pte Ltd · 2020
- Current integrator and related signal processing system2US 10,804,865 B1Novatek Microelectronics Corp. · 2020