H03F 1/3294
Acting on the real and imaginary components of the input signal
Official title: {Acting on the real and imaginary components of the input signal}
H03F1/3294 (Acting on the real and imaginary components of the input signal) appears on 301 US grants and 272 published applications in this corpus.
Search patents in H03F- Granted patents
- 301
- Published applications
- 272
- Assignees
- 138
- Inventors
- 543
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 12 | 16 |
| 2003 | 9 | 22 |
| 2004 | 19 | 22 |
| 2005 | 10 | 35 |
| 2006 | 22 | 9 |
| 2007 | 20 | 20 |
| 2008 | 26 | 17 |
| 2009 | 13 | 14 |
| 2010 | 17 | 12 |
| 2011 | 14 | 11 |
| 2012 | 12 | 21 |
| 2013 | 21 | 20 |
| 2014 | 21 | 12 |
| 2015 | 15 | 6 |
| 2016 | 6 | 4 |
| 2017 | 3 | 3 |
| 2018 | 4 | 3 |
| 2019 | 8 | 4 |
| 2020 | 1 | 3 |
| 2021 | 3 | 2 |
| 2022 | 5 | 4 |
| 2023 | 3 | 3 |
| 2024 | 5 | 3 |
| 2025 | 1 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Neural volterra digital compensator with envelope neural network25 Aug 2026US 12,719,523 B2Analog Devices International Unlimited Company
- Methods of nonlinearity estimation, reporting, and compensation12 May 2026US 12,627,538 B2Telefonaktiebolaget LM Ericsson (publ)
- Local oscillator clock shaping for pre-distortion10 Jun 2025US 12,328,103 B2Analog Devices, Inc.
- Digital pre-distortion compensation in a wireless communications system24 Dec 2024US 12,177,060 B2Space Exploration Technologies Corp.
- Radio frequency phase shifter with variable input capacitance20 Aug 2024US 12,068,724 B2QUALCOMM Incorporated
- Practical machine learning based dpd for wideband multiband radios13 Aug 2026US 2026/0238242 A1Telefonaktiebolaget LM Ericsson (publ)
- Neural volterra digital compensator with envelope neural network18 Dec 2025US 2025/0385706 A1Analog Devices International Unlimited Company
- Digital pre-distortion compensation in a wireless communications system17 Apr 2025US 2025/0126011 A1Space Exploration Technologies Corp.
- Methods of nonlinearity estimation, reporting, and compensation23 Jan 2025US 2025/0030580 A1Telefonaktiebolaget LM Ericsson (publ)
- Local oscillator clock shaping for pre-distortion5 Sep 2024US 2024/0297622 A1Analog Devices, Inc.
Most cited
By later US patents
- Linear transmitter using predistortion283US 5,732,333 AGlenayre Electronics, Inc. · 1998
- Digital predistortion methods for wideband amplifiers282US 6,587,514 B1PMC-Sierra, Inc. · 2003
- Wideband digital predistortion linearizer for nonlinear amplifiers234US 6,798,843 B1PMC-Sierra, Inc. · 2004
- Transmission antenna array system with predistortion207US 6,697,436 B1PMC-Sierra, Inc. · 2004
- Adaptive predistortion technique for linearizing a power amplifier for digital data systems133US 4,291,277 AHarris Corporation · 1981