H03C 3/406
Using a feedback loop containing mixers or demodulators
Official title: {using a feedback loop containing mixers or demodulators}
H03C3/406 (Using a feedback loop containing mixers or demodulators) appears on 68 US grants and 46 published applications in this corpus.
Search patents in H03C- Granted patents
- 68
- Published applications
- 46
- Assignees
- 49
- Inventors
- 148
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 6 |
| 2003 | 3 | 5 |
| 2004 | 3 | 6 |
| 2005 | 2 | 5 |
| 2006 | 9 | 4 |
| 2007 | 1 | 5 |
| 2008 | 8 | 2 |
| 2009 | 2 | 5 |
| 2010 | 3 | 2 |
| 2011 | 4 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Calibration circuit and method, phase-shift circuit, radio-frequency transceiver circuit, radar and device26 May 2026US 12,638,547 B2Calterah Semiconductor Technology (Shanghai) Co., Ltd.
- Envelope detector-based feedback for radio frequency (RF) transmitters25 Jun 2019US 10,333,764 B1Intel Corporation
- Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment2 Oct 2018US 10,090,971 B2Aviat U.S., Inc.
- Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment7 Nov 2017US 9,813,198 B2Aviat U.S., Inc.
- Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment10 May 2016US 9,337,965 B2Aviat U.S., Inc.
- Calibration circuit and method, phase-shift circuit, radio-frequency transceiver circuit, radar and device30 May 2024US 2024/0175980 A1Calterah Semiconductor Technology (Shanghai) Co., Ltd.
- Systems and methods for asynchronous re-modulation with adaptive i/q adjustment12 Jul 2018US 2018/0198573 A1Aviat U.S., Inc.
- Systems and methods for asynchronous re-modulation with adaptive i/q adjustment30 Jul 2015US 2015/0215084 A1Aviat U.S., Inc.
- Systems and methods for asynchronous re-modulation with adaptive i/q adjustment22 Jan 2015US 2015/0023456 A1Aviat U.S., Inc.
- Systems and methods for asynchronous re-modulation with adaptive i/q adjustment8 May 2014US 2014/0128016 A1Aviat U.S., Inc.
Most cited
By later US patents
- Linear transmitter using predistortion283US 5,732,333 AGlenayre Electronics, Inc. · 1998
- Linearized power amplifier177US 5,420,536 AVictoria University of Technology · 1995
- Radio apparatus177US 6,091,941 AFujitsu Limited · 2000
- Adaptively self-correcting modulation system and method123US 5,351,016 AEricsson GE Mobile Communications Inc. · 1994
- DC offset reduction in a transmitter114US 5,793,817 AU. S. Philips Corporation · 1998