H03M 3/322
Continuously compensating for, or preventing, undesired influence of physical parameters
Official title: {Continuously compensating for, or preventing, undesired influence of physical parameters (periodically, e.g. by using stored correction values, H03M3/378)}
H03M3/322 (Continuously compensating for, or preventing, undesired influence of physical parameters) appears on 1,325 US grants and 981 published applications in this corpus.
Search patents in H03M- Granted patents
- 1,325
- Published applications
- 981
- Assignees
- 425
- Inventors
- 1,811
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 17 | 0 |
| 1992 | 6 | 0 |
| 1993 | 14 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 13 | 0 |
| 2000 | 25 | 0 |
| 2001 | 21 | 3 |
| 2002 | 34 | 19 |
| 2003 | 19 | 22 |
| 2004 | 34 | 35 |
| 2005 | 50 | 42 |
| 2006 | 49 | 40 |
| 2007 | 53 | 49 |
| 2008 | 50 | 39 |
| 2009 | 47 | 37 |
| 2010 | 50 | 41 |
| 2011 | 40 | 38 |
| 2012 | 30 | 28 |
| 2013 | 41 | 52 |
| 2014 | 51 | 35 |
| 2015 | 51 | 52 |
| 2016 | 67 | 50 |
| 2017 | 68 | 51 |
| 2018 | 49 | 25 |
| 2019 | 43 | 52 |
| 2020 | 82 | 51 |
| 2021 | 50 | 39 |
| 2022 | 45 | 41 |
| 2023 | 36 | 43 |
| 2024 | 35 | 39 |
| 2025 | 38 | 33 |
| 2026 | 25 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Three-state buffer circuit22 Sep 2026US 12,744,543 B2Telefonaktiebolaget LM Ericsson (publ)
- Reducing non-linearity in a digital-to-time converter (DTC) when an input clock changes between lower and higher periods8 Sep 2026US 12,732,199 B2Ningbo Aura Semiconductor Co., Limited
- DTC linearization via mismatch-noise cancellation for digital fractional-N PLLs1 Sep 2026US 12,726,212 B2The Regents of the University of California
- Sigma-delta modulator and a class D amplifier18 Aug 2026US 12,712,566 B1Renesas Design Netherlands B.V.
- Sensor circuit18 Aug 2026US 12,712,567 B2Infineon Technologies AG
- Phase-Locked Loop Circuit8 Oct 2026US 2026/0312593 A1Novatek Microelectronics Corp.
- Delta-sigma sensing device8 Oct 2026US 2026/0312600 A1Consejo Superior De Investigaciones Cientificas (Csic)
- A/d converter13 Aug 2026US 2026/0238222 A1Sony Semiconductor Solutions Corporation
- Flat spot suppression in sigma delta converters13 Aug 2026US 2026/0238223 A1Cypress Semiconductor Corporation
- Methods and apparatus to notch filter using parallel filter circuitry30 Jul 2026US 2026/0221981 A1
Most cited
By later US patents
- High performance sigma delta based analog modem front end180US 4,972,436 AHayes Microcomputer Products, Inc. · 1990
- Multi-loop .SIGMA. .DELTA. analog to digital converter153US 5,982,315 AQUALCOMM Incorporated · 1999
- Delta-sigma ADC with multi-stage decimation filter and gain compensation filter122US 5,646,621 AAdvanced Micro Devices, Inc. · 1997
- Switched-capacitor integrator with chopper stabilization performed at the sampling rate111US 5,477,481 ACrystal Semiconductor Corporation · 1995
- Variable resistor circuit and a digital-to-analog converter106US 6,204,789 B1Kabushiki Kaisha Toshiba · 2001