H03D 3/00
Demodulation of angle-, frequency- or phase- modulated oscillations
Official title: Demodulation of angle-, {frequency- or phase-} modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence)
H03D3/00 (Demodulation of angle-, frequency- or phase- modulated oscillations) appears on 1,791 US grants and 958 published applications in this corpus.
Search patents in H03D- Granted patents
- 1,791
- Published applications
- 958
- Assignees
- 629
- Inventors
- 2,730
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 20 | 0 |
| 1978 | 21 | 0 |
| 1979 | 11 | 0 |
| 1980 | 11 | 0 |
| 1981 | 24 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 31 | 0 |
| 1985 | 34 | 0 |
| 1986 | 44 | 0 |
| 1987 | 26 | 0 |
| 1988 | 26 | 0 |
| 1989 | 32 | 0 |
| 1990 | 23 | 0 |
| 1991 | 28 | 0 |
| 1992 | 34 | 0 |
| 1993 | 25 | 0 |
| 1994 | 27 | 0 |
| 1995 | 47 | 0 |
| 1996 | 35 | 0 |
| 1997 | 46 | 0 |
| 1998 | 60 | 0 |
| 1999 | 48 | 0 |
| 2000 | 55 | 0 |
| 2001 | 45 | 17 |
| 2002 | 44 | 61 |
| 2003 | 56 | 61 |
| 2004 | 50 | 70 |
| 2005 | 50 | 82 |
| 2006 | 63 | 71 |
| 2007 | 59 | 69 |
| 2008 | 45 | 70 |
| 2009 | 68 | 49 |
| 2010 | 66 | 49 |
| 2011 | 60 | 25 |
| 2012 | 61 | 32 |
| 2013 | 44 | 27 |
| 2014 | 49 | 47 |
| 2015 | 39 | 28 |
| 2016 | 31 | 20 |
| 2017 | 20 | 19 |
| 2018 | 24 | 22 |
| 2019 | 26 | 43 |
| 2020 | 35 | 22 |
| 2021 | 26 | 20 |
| 2022 | 25 | 19 |
| 2023 | 11 | 13 |
| 2024 | 12 | 3 |
| 2025 | 13 | 12 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03D 3/007Demodulation of angle-, frequency- or phase- modulated oscillations: by converting the oscillations927
- H03D 3/02Demodulation of angle-, frequency- or phase- modulated oscillations: by detecting phase difference498
- H03D 3/006Demodulation of angle-, frequency- or phase- modulated oscillations: by sampling the oscillations227
- H03D 3/001Details of arrangements applicable to more than one type of frequency demodulator176
- H03D 3/26Demodulation of angle-, frequency- or phase- modulated oscillations: by means of sloping26
- H03D 3/34Demodulation of angle-, frequency- or phase- modulated oscillations: by means of electromechanical10
- H03D 3/28Modifications of demodulators to reduce effects of temperature variations2
- H03D 3/30Demodulation of angle-, frequency- or phase- modulated oscillations: by means of transit-time1
Recent patents
- DC offset calibration in an interdependent quadrature receiver7 Jul 2026US 12,676,580 B2Silicon Laboratories Inc.
- Dual-polarization and dual-band radio frequency (RF) transceivers with leakage and image rejection calibration16 Jun 2026US 12,658,854 B1PseudolithIC, Inc.
- Mobile communication system26 May 2026US 12,640,763 B2Nokia Technologies Oy
- Coherence bandwidth signaling for frequency domain imbalance correction26 May 2026US 12,641,585 B2QUALCOMM Incorporated
- Circuit and method to detect faults of a MEMS device including an oscillating mass5 May 2026US 12,620,935 B2STMicroelectronics International N. V.
- A local oscillator (lo) double edge-tuning iq imbalance calibration technique for modern-day transceivers13 Aug 2026US 2026/0238162 A1King Fahd University of Petroleum and Minerals
- Circuit of drift detection in electric signal filters, corresponding device and method30 Apr 2026US 2026/0121619 A1STMicroelectronics International N. V.
- Lsk demodulator23 Apr 2026US 2026/0112999 A1Postech Research and Business Development Foundation
- Method and Device for Converting an Analog Input Signal into a Digital Output Signal12 Mar 2026US 2026/0074725 A1Siemens Aktiengesellschaft
- Receiver system29 Jan 2026US 2026/0031846 A1u-blox AG
Most cited
By later US patents
- Digital radio frequency receiver350US 4,893,316 AMotorola, Inc. · 1990
- Adaptive data rate modem346US 5,541,955 APericle Communications Company · 1996
- Highly integrated television tuner on a single microcircuit330US 5,737,035 AMicrotune, Inc. · 1998
- Phase lock loop multitone interference canceling system199US 4,027,264 AThe United States of America as represented by the Secretary of the Army · 1977
- Apparatus and method for receiving a modulated radio frequency signal by converting the radio frequency signal to a very low intermediate frequency signal199US 5,802,463 AAdvanced Micro Devices, Inc. · 1998