H03D 7/165
At least two frequency changers being located in different paths
Official title: {at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature (combined with amplitude demodulation H03D1/2245, combined with angle demodulation H03D3/007; N-path filters H03H19/002)}
H03D7/165 (At least two frequency changers being located in different paths) appears on 1,111 US grants and 816 published applications in this corpus.
Search patents in H03D- Granted patents
- 1,111
- Published applications
- 816
- Assignees
- 409
- Inventors
- 1,801
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 15 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 19 | 0 |
| 1996 | 22 | 0 |
| 1997 | 17 | 0 |
| 1998 | 31 | 0 |
| 1999 | 37 | 0 |
| 2000 | 29 | 0 |
| 2001 | 30 | 10 |
| 2002 | 32 | 30 |
| 2003 | 25 | 28 |
| 2004 | 29 | 37 |
| 2005 | 25 | 45 |
| 2006 | 49 | 52 |
| 2007 | 27 | 53 |
| 2008 | 37 | 34 |
| 2009 | 50 | 47 |
| 2010 | 28 | 46 |
| 2011 | 49 | 40 |
| 2012 | 54 | 41 |
| 2013 | 47 | 36 |
| 2014 | 54 | 40 |
| 2015 | 43 | 32 |
| 2016 | 34 | 20 |
| 2017 | 19 | 19 |
| 2018 | 19 | 27 |
| 2019 | 40 | 31 |
| 2020 | 32 | 32 |
| 2021 | 25 | 29 |
| 2022 | 32 | 20 |
| 2023 | 16 | 19 |
| 2024 | 15 | 24 |
| 2025 | 15 | 15 |
| 2026 | 20 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Array antenna device1 Sep 2026US 12,725,936 B2Hiroshima University
- NPF radiofrequency device11 Aug 2026US 12,706,604 B2Centre National De La Recherche Scientifique
- Wireless circuitry with low-noise peak detection7 Jul 2026US 12,674,825 B2Apple Inc.
- DC offset calibration in an interdependent quadrature receiver7 Jul 2026US 12,676,580 B2Silicon Laboratories Inc.
- Multiband radio receivers7 Jul 2026US 12,676,640 B2Nordic Semiconductor ASA
- Processing device, processing method, and storage medium17 Sep 2026US 2026/0280487 A1NEC Corporation
- Photonic image rejection rf mixer, a phased-array radio frequency receiver implementing the same and related methods of operation3 Sep 2026US 2026/0261240 A1Phase Sensitive Innovations, Inc.
- Mixer with bias sharing9 Jul 2026US 2026/0197022 A1QUALCOMM Incorporated
- Active frequency mixer and frequency mixing method with improved gain and noise30 Apr 2026US 2026/0121581 A1The Industry & Academic Cooperation in Chungnam National University (IAC)
- Symmetrical resistive harmonic rejection mixer (hrm)23 Apr 2026US 2026/0113047 A1QUALCOMM Incorporated
Most cited
By later US patents
- Digital radio frequency receiver350US 4,893,316 AMotorola, Inc. · 1990
- Multi-channel digital transceiver and method218US 5,579,341 AMotorola, Inc. · 1996
- Transmitter/receiver for transmitting and receiving of an RF signal in two frequency bands204US 5,896,562 ANokia Mobile Phones Ltd. · 1999
- Direct conversion FM receiver with offset196US 4,944,025 AAT&E Corporation · 1990
- Differential DC offset compensation circuit181US 5,471,665 AMotorola, Inc. · 1995