H03F 2203/45592
The ic comprising one or more buffer stages other than emitter or
Official title: the IC comprising one or more buffer stages other than emitter or source followers between the input signal leads and input leads of the dif amp, e.g. inverter stages
H03F2203/45592 (The ic comprising one or more buffer stages other than emitter or) appears on 42 US grants and 55 published applications in this corpus.
Search patents in H03F- Granted patents
- 42
- Published applications
- 55
- Assignees
- 33
- Inventors
- 81
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 18 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 6 |
| 2006 | 3 | 5 |
| 2007 | 8 | 4 |
| 2008 | 4 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transconductance tuning in photon counting8 Jul 2025US 12,355,410 B2ams International AG
- Audio amplifier circuitry22 Apr 2025US 12,283,929 B2Cirrus Logic, Inc.
- Audio amplifier circuitry23 Jan 2024US 11,881,826 B2Cirrus Logic, Inc.
- Detection circuit for connection impedance and electronic device9 Jan 2024US 11,870,395 B2Shanghai Yaohuo Microelectronics Co., Ltd.
- Amplifier circuit using voltage-to-current conversion and associated envelope tracking supply modulator using the same19 Dec 2023US 11,848,646 B2Mediatek Inc.
- Amplifier circuits with guarding for mitigation of dielectric absorption10 Sep 2026US 2026/0269790 A1Avago Technologies International Sales Pte. Limited
- Methods and apparatus to operate a buffer stage in amplifier circuitry18 Sep 2025US 2025/0293651 A1Texas Instruments Incorporated
- Audio amplifier circuitry21 Mar 2024US 2024/0097633 A1Cirrus Logic International Semiconductor Ltd.
- Transconductance tuning in photon counting9 Nov 2023US 2023/0361736 A1ams International AG
- Detection circuit for connection impedance and electronic device11 Aug 2022US 2022/0255505 A1Shanghai Yaohuo Microelectronics Co., Ltd.
Most cited
By later US patents
- Low voltage differential signal (LVDS) input circuit64US 6,504,403 B2Telefonaktiebolaget LM Ericsson · 2003
- Amplifier system with current-mode servo feedback60US 7,253,680 B2World Energy Labs (2), Inc. · 2007
- Common mode early voltage compensation subcircuit for current driver50US 5,592,510 AApple Computer, Inc. · 1997
- MOS transconductance amplifier for active filters28US 4,823,092 AWolfson Microelectronics plc · 1989
- Differential-input/single-ended-output translator14US 6,252,432 B1Fairchild Semiconductor Corporation · 2001