H03D 3/002
Modifications of demodulators to reduce interference by undesired signals
Official title: {Modifications of demodulators to reduce interference by undesired signals (H03D3/248 takes precedence)}
H03D3/002 (Modifications of demodulators to reduce interference by undesired signals) appears on 66 US grants and 32 published applications in this corpus.
Search patents in H03D- Granted patents
- 66
- Published applications
- 32
- Assignees
- 53
- Inventors
- 132
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 3 |
| 2003 | 5 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 5 | 4 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile communication system26 May 2026US 12,640,763 B2Nokia Technologies Oy
- Local oscillator switching control for a very low intermediate frequency receiver25 Jul 2023US 11,711,102 B2Motorola Solutions, Inc.
- Signal cancellation system and method13 Oct 2020US 10,805,130 B2Intel IP Corporation
- Quadrature ADC feedback compensation for capacitive-based MEMS gyroscope22 Sep 2020US 10,782,131 B2Apple Inc.
- Peak to average power ratio reduction in multichannel digital front-ends (DFES)16 Jul 2019US 10,355,903 B2MaxLinear, Inc.
- Circuit of drift detection in electric signal filters, corresponding device and method30 Apr 2026US 2026/0121619 A1STMicroelectronics International N. V.
- Method and Device for Converting an Analog Input Signal into a Digital Output Signal12 Mar 2026US 2026/0074725 A1Siemens Aktiengesellschaft
- Input Facility, Controller, and Measurement Apparatus8 Jan 2026US 2026/0009824 A1Siemens Aktiengesellschaft
- Mobile communication system31 Aug 2023US 2023/0275607 A1Nokia Technologies Oy
- Local oscillator switching control for a very low intermediate frequency receiver4 May 2023US 2023/0140647 A1Motorola Solutions, Inc.
Most cited
By later US patents
- Method and apparatus for automatic gain control and DC offset cancellation in quadrature receiver167US 5,617,060 AQUALCOMM Incorporated · 1997
- Limiting audible noise introduction through FM antenna tuning139US 7,817,969 B2Broadcom Corporation · 2010
- Zero-IF receiver wih feedback loop for suppressing interfering signals127US 4,718,113 AAlcatel · 1988
- Removing low frequency interference in a digital FM receiver115US 5,680,418 AEricsson Inc. · 1997
- Apparatus with distortion cancelling feed forward signal45US 5,507,036 ARockwell International Corporation · 1996