H03B 5/1296
The feedback circuit comprising a transformer
Official title: {the feedback circuit comprising a transformer}
H03B5/1296 (The feedback circuit comprising a transformer) appears on 279 US grants and 246 published applications in this corpus.
Search patents in H03B- Granted patents
- 279
- Published applications
- 246
- Assignees
- 132
- Inventors
- 451
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 3 |
| 2003 | 6 | 2 |
| 2004 | 2 | 8 |
| 2005 | 4 | 4 |
| 2006 | 5 | 11 |
| 2007 | 9 | 4 |
| 2008 | 7 | 15 |
| 2009 | 7 | 7 |
| 2010 | 5 | 14 |
| 2011 | 13 | 12 |
| 2012 | 13 | 7 |
| 2013 | 6 | 7 |
| 2014 | 8 | 12 |
| 2015 | 11 | 15 |
| 2016 | 30 | 18 |
| 2017 | 13 | 14 |
| 2018 | 8 | 9 |
| 2019 | 17 | 16 |
| 2020 | 17 | 11 |
| 2021 | 13 | 15 |
| 2022 | 16 | 13 |
| 2023 | 15 | 5 |
| 2024 | 4 | 4 |
| 2025 | 5 | 8 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for implementing a dual-core voltage-controlled oscillator18 Aug 2026US 12,712,490 B2Avago Technologies International Sales Pte. Limited
- Integrated oscillator of low noise28 Jul 2026US 12,695,421 B1Realtek Semiconductor Corp.
- Compensation technique for the nonlinear behavior of digitally-controlled oscillator (DCO) gain21 Jul 2026US 12,689,379 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Multi-mode voltage-controlled oscillator (VCO) with transformer-based coupling30 Jun 2026US 12,671,364 B2QUALCOMM Incorporated
- Voltage controlled oscillator and method2 Jun 2026US 12,647,071 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Compensation Technique for the Nonlinear Behavior of Digitally-Controlled Oscillator (DCO) Gain8 Oct 2026US 2026/0312591 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Reducing Phase Noise for Oscillator Circuitry13 Aug 2026US 2026/0238161 A1Apple Inc.
- Implicit frequency multiplier2 Jul 2026US 2026/0189222 A1NXP USA, Inc.
- Semiconductor device and operating method thereof21 May 2026US 2026/0142620 A1National Cheng Kung University
- Transformer Based Filter for Complementary Oscillator Circuitry14 May 2026US 2026/0135514 A1Apple Inc.
Most cited
By later US patents
- Dual-band coupled VCO148US 8,125,282 B2Telefonaktiebolaget LM Ericsson (publ) · 2012
- Container for inductively heating food86US 4,020,310 A1977
- Oscillator having stripline loop resonator61US 4,749,963 AMatsushita Electric Industrial Co., Ltd. · 1988
- Resonant circuit and a voltage-controlled oscillator60US 7,183,870 B2Sony Ericsson Mobile Communications Japan, Inc. · 2007
- Low voltage VCO having two oscillator circuits of different frequencies48US 5,418,497 AMotorola, Inc. · 1995