H03D 7/166
Using two or more quadrature frequency translation stages
Official title: {using two or more quadrature frequency translation stages}
H03D7/166 (Using two or more quadrature frequency translation stages) appears on 259 US grants and 179 published applications in this corpus.
Search patents in H03D- Granted patents
- 259
- Published applications
- 179
- Assignees
- 126
- Inventors
- 437
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 16 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 3 |
| 2002 | 7 | 12 |
| 2003 | 8 | 4 |
| 2004 | 8 | 6 |
| 2005 | 8 | 9 |
| 2006 | 13 | 16 |
| 2007 | 2 | 11 |
| 2008 | 8 | 10 |
| 2009 | 13 | 11 |
| 2010 | 6 | 18 |
| 2011 | 10 | 8 |
| 2012 | 21 | 10 |
| 2013 | 12 | 7 |
| 2014 | 11 | 5 |
| 2015 | 10 | 8 |
| 2016 | 6 | 7 |
| 2017 | 3 | 3 |
| 2018 | 3 | 7 |
| 2019 | 8 | 2 |
| 2020 | 4 | 13 |
| 2021 | 7 | 4 |
| 2022 | 4 | 0 |
| 2023 | 2 | 3 |
| 2024 | 4 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wireless circuitry with low-noise peak detection7 Jul 2026US 12,674,825 B2Apple Inc.
- Apparatus comprising a local oscillator for driving a mixer3 Jun 2025US 12,323,102 B2Renesas Design Netherlands B.V.
- In-phase/quadrature-phase generating device and phase shift device using the same6 May 2025US 12,294,334 B2Electronics and Telecommunications Research Institute
- Wearable devices for health monitoring using radio waves that include signal isolation28 May 2024US 11,992,299 B2Movano Inc.
- Systems for health monitoring using radio waves that include collocated RF components28 May 2024US 11,992,300 B2Movano Inc.
- Receiver system29 Jan 2026US 2026/0031846 A1u-blox AG
- Wireless Circuitry with Low-Noise Peak Detection4 Sep 2025US 2025/0277825 A1Apple Inc.
- In-phase/quadrature-phase generating device and phase shift device using the same2 Nov 2023US 2023/0353094 A1Electronics and Telecommunications Research Institute
- Systems for health monitoring using radio waves that include collocated rf components28 Sep 2023US 2023/0301533 A1Movano Inc.
- Apparatus Comprising a Local Oscillator for Driving a Mixer18 May 2023US 2023/0155552 A1Renesas Design Netherlands B.V.
Most cited
By later US patents
- Digital radio frequency receiver350US 4,893,316 AMotorola, Inc. · 1990
- Direct conversion FM receiver with offset196US 4,944,025 AAT&E Corporation · 1990
- Dual conversion FM receiver using phase locked direct conversion IF179US 4,653,117 AMotorola, Inc. · 1987
- Method and apparatus for detecting and compensating for undesired phase shift in a radio transceiver156US 5,894,496 AEricsson Inc. · 1999
- Adaptive predistortion technique for linearizing a power amplifier for digital data systems133US 4,291,277 AHarris Corporation · 1981