H04B 1/0032
With analogue quadrature frequency conversion to and from the baseband
Official title: {with analogue quadrature frequency conversion to and from the baseband (quadrature modulators and demodulators per se H03D3/007, H03C3/40)}
H04B1/0032 (With analogue quadrature frequency conversion to and from the baseband) appears on 109 US grants and 90 published applications in this corpus.
Search patents in H04B- Granted patents
- 109
- Published applications
- 90
- Assignees
- 78
- Inventors
- 283
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 1 |
| 2003 | 4 | 3 |
| 2004 | 5 | 2 |
| 2005 | 2 | 5 |
| 2006 | 2 | 5 |
| 2007 | 2 | 7 |
| 2008 | 3 | 3 |
| 2009 | 6 | 4 |
| 2010 | 4 | 4 |
| 2011 | 4 | 4 |
| 2012 | 4 | 4 |
| 2013 | 7 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 2 |
| 2016 | 4 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 6 |
| 2019 | 9 | 7 |
| 2020 | 4 | 2 |
| 2021 | 2 | 6 |
| 2022 | 3 | 7 |
| 2023 | 6 | 1 |
| 2024 | 7 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Waveform-triggered reception and buffering for millimeter-wave software-defined radios29 Sep 2026US 12,750,072 B2University of South Carolina
- Decode signal compensation in a wireless system12 Aug 2025US 12,388,501 B2Charter Communications Operating, LLC
- Redundant transmission for wideband radio systems24 Dec 2024US 12,176,931 B2Apple Inc.
- Programmable baseband filter for selectively coupling with at least a portion of another filter16 Apr 2024US 11,962,278 B2QUALCOMM Incorporated
- Redundant transmission for wideband radio systems19 Mar 2024US 11,936,407 B2Apple Inc.
- Radio frequency communication system, device and method27 Aug 2026US 2026/0254467 A1Beijing BOE Technology Development Co., Ltd.
- Differentiated ultra-wideband sensing architecture13 Aug 2026US 2026/0238237 A1Infineon Technologies AG
- Transmitter with local oscillator feedthrough (loft) and in-phase and quadrature mismatch (iqm) compensation30 Apr 2026US 2026/0121666 A1Cypress Semiconductor Corporation
- Radiofrequency device with multiple operating modes2 Oct 2025US 2025/0309848 A1STMicroelectronics International N. V.
- Waveform-triggered reception and buffering for millimeter-wave software-defined radios11 Jul 2024US 2024/0235580 A1University of South Carolina
Most cited
By later US patents
- Direct conversion receiver for multiple protocols177US 5,557,642 AWireless Access · 1996
- Receiver with sigma-delta analog-to-digital converter for sampling a received signal170US 6,005,506 AQUALCOMM Incorporated · 1999
- Receiving circuit92US 6,600,795 B1Matsushita Electric Industrial Co., Ltd. · 2003
- Wireless receiver including tunable RF bandpass filter70US 5,963,856 ALucent Technologies Inc. · 1999
- Dynamic range on demand receiver and method of varying same66US 6,670,901 B2Motorola, Inc. · 2003