H03M 3/40
Arrangements for handling quadrature signals
Official title: {Arrangements for handling quadrature signals, e.g. complex modulators}
H03M3/40 (Arrangements for handling quadrature signals) appears on 73 US grants and 56 published applications in this corpus.
Search patents in H03M- Granted patents
- 73
- Published applications
- 56
- Assignees
- 50
- Inventors
- 148
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 2 |
| 2003 | 2 | 3 |
| 2004 | 4 | 2 |
| 2005 | 2 | 2 |
| 2006 | 2 | 5 |
| 2007 | 3 | 2 |
| 2008 | 2 | 4 |
| 2009 | 1 | 1 |
| 2010 | 3 | 3 |
| 2011 | 3 | 2 |
| 2012 | 2 | 3 |
| 2013 | 6 | 3 |
| 2014 | 7 | 2 |
| 2015 | 4 | 3 |
| 2016 | 3 | 2 |
| 2017 | 1 | 3 |
| 2018 | 4 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 3 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Interface between radio receiver and baseband receiver and a method for converting RF-signals to BB-signals10 May 2022US 11,329,678 B2Commsolid GmbH
- Integrated circuit5 Mar 2026US 2026/0066920 A1Wacom Co., Ltd.
- Control circuit of a mems gyroscope, mems gyroscope and control method7 Aug 2025US 2025/0251241 A1STMicroelectronics S,r.l.
- Multi-loop signal processing12 Dec 2024US 2024/0413844 A1Anlotek Limited
- Systems, methods, and apparatus for spur reduction including analog frequency shift1 Feb 2024US 2024/0039549 A1Precision Receivers Incorporated
- Integrated circuit4 Jan 2024US 2024/0007126 A1Wacom Co., Ltd.
Most cited
By later US patents
- Flexible and programmable delta-sigma analog signal converter98US 5,952,947 ARaytheon Company · 1999
- Selective call receiver having an apparatus for modifying an analog signal to a digital signal and method therefor46US 6,275,540 B1Motorola, Inc. · 2001
- Frequency translating sigma-delta modulator40US 6,121,910 AThe Trustees of Columbia University in the City of New York · 2000
- Quadrature signal conversion device36US 5,764,171 AU. S. Philips Corporation · 1998
- Digital reception with radio frequency sampling33US 6,459,743 B1Telefonaktiebolaget LM Ericsson (publ) · 2002