H03F 2203/21169
A parallel resonance circuit being coupled at the output of a power
Official title: A parallel resonance circuit being coupled at the output of a power amplifier
H03F2203/21169 (A parallel resonance circuit being coupled at the output of a power) appears on 7 US grants and 9 published applications in this corpus.
Search patents in H03F- Granted patents
- 7
- Published applications
- 9
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year.
Recent patents
- Power amplifier19 Apr 2022US 11,309,844 B2Murata Manufacturing Co., Ltd.
- Power amplifier11 Aug 2020US 10,742,172 B2Murata Manufacturing Co., Ltd.
- Power amplifying device3 Mar 2020US 10,581,392 B2Samsung Electro-Mechanics Co., Ltd.
- Quadrature lattice matching network1 Dec 2015US 9,203,362 B2TriQuint Semiconductor, Inc.
- System and method for transmitting a radio frequency signal through a speaker coil9 Dec 2014US 8,909,162 B2Infineon Technologies AG
- Device including power amplifier in wireless communication system1 May 2025US 2025/0141479 A1Samsung Electronics Co., Ltd.
- Electronic circuit for multi-band transmitting / receiving6 Mar 2025US 2025/0080154 A1Samsung Electronics Co., Ltd.
- Power amplifier5 Nov 2020US 2020/0350867 A1Murata Manufacturing Co., Ltd.
- Power amplifying device18 Apr 2019US 2019/0115881 A1Samsung Electro-Mechanics Co., Ltd.
- Power amplifier13 Dec 2018US 2018/0358931 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Multi-bit class-D power amplifier system5US 7,948,312 B2QUALCOMM Incorporated · 2011
- System and method for transmitting a radio frequency signal through a speaker coil5US 8,909,162 B2Infineon Technologies AG · 2014
- Quadrature lattice matching network1US 8,811,531 B2TriQuint Semiconductor, Inc. · 2014
- Quadrature lattice matching network1US 9,203,362 B2TriQuint Semiconductor, Inc. · 2015