H03B 27/00
Generation of oscillations providing a plurality of outputs of the same frequency
Official title: Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
H03B27/00 (Generation of oscillations providing a plurality of outputs of the same frequency) appears on 443 US grants and 330 published applications in this corpus.
Search patents in H03B- Granted patents
- 443
- Published applications
- 330
- Assignees
- 243
- Inventors
- 820
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 1 |
| 2002 | 12 | 10 |
| 2003 | 7 | 11 |
| 2004 | 13 | 18 |
| 2005 | 18 | 19 |
| 2006 | 20 | 15 |
| 2007 | 13 | 20 |
| 2008 | 18 | 18 |
| 2009 | 15 | 17 |
| 2010 | 16 | 11 |
| 2011 | 14 | 15 |
| 2012 | 19 | 15 |
| 2013 | 10 | 10 |
| 2014 | 15 | 19 |
| 2015 | 18 | 14 |
| 2016 | 29 | 23 |
| 2017 | 17 | 16 |
| 2018 | 8 | 19 |
| 2019 | 17 | 9 |
| 2020 | 18 | 10 |
| 2021 | 10 | 11 |
| 2022 | 11 | 8 |
| 2023 | 8 | 7 |
| 2024 | 7 | 7 |
| 2025 | 9 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Four-phase generation circuit with feedback28 Apr 2026US 12,615,023 B2NXP B. V.
- Quadrature oscillator14 Apr 2026US 12,603,609 B2STMicroelectronics International N. V.
- Injection locked phase rotator10 Feb 2026US 12,549,159 B2Xilinx, Inc.
- Quadrature oscillator30 Dec 2025US 12,512,789 B2Telefonaktiebolaget LM Ericsson (publ)
- Active mixers with enhanced image rejection ratio (IRR)4 Nov 2025US 12,463,592 B2QUALCOMM Incorporated
- Electronic circuit for delivering signals in quadrature5 Feb 2026US 2026/0039520 A1STMicroelectronics France
- Injection locked phase rotator14 Aug 2025US 2025/0260393 A1Xilinx, Inc.
- Single-tank quadrature voltage-controlled oscillator (qvco) and method of operation thereof14 Aug 2025US 2025/0260406 A1Indian Institute of Technology Ropar
- Method, Device and Apparatus for Generating In-Phase (I) and Quadrature- Phase (Q) Local Oscillator Signals19 Jun 2025US 2025/0202517 A1MMRFIC Technology Pvt. Ltd.
- Multi-phase oscillators5 Jun 2025US 2025/0183845 A1Texas Instruments Incorporated
Most cited
By later US patents
- Digital radio frequency receiver350US 4,893,316 AMotorola, Inc. · 1990
- Adaptive radio transceiver with low noise amplification211US 6,417,737 B1Broadcom Corporation · 2002
- Orthogonal signal generation using vector spreading and combining174US 7,746,764 B2ParkerVision, Inc. · 2010
- Mixer for direct conversion receiver159US 5,303,417 APlessey Semiconductors Limited · 1994
- Ring oscillator using even numbers of differential stages with current mirrors131US 5,596,302 ALucent Technologies Inc. · 1997