H03M 3/436
Characterised by the order of the loop filter
Official title: {characterised by the order of the loop filter, e.g. error feedback type}
H03M3/436 (Characterised by the order of the loop filter) appears on 1,146 US grants and 826 published applications in this corpus.
Search patents in H03M- Granted patents
- 1,146
- Published applications
- 826
- Assignees
- 423
- Inventors
- 1,594
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 14 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 23 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 21 | 4 |
| 2002 | 22 | 16 |
| 2003 | 24 | 22 |
| 2004 | 27 | 24 |
| 2005 | 39 | 35 |
| 2006 | 48 | 32 |
| 2007 | 39 | 42 |
| 2008 | 53 | 51 |
| 2009 | 43 | 38 |
| 2010 | 48 | 46 |
| 2011 | 53 | 47 |
| 2012 | 36 | 45 |
| 2013 | 41 | 32 |
| 2014 | 50 | 34 |
| 2015 | 48 | 34 |
| 2016 | 46 | 37 |
| 2017 | 50 | 26 |
| 2018 | 41 | 22 |
| 2019 | 50 | 56 |
| 2020 | 59 | 34 |
| 2021 | 31 | 25 |
| 2022 | 28 | 35 |
| 2023 | 33 | 32 |
| 2024 | 30 | 28 |
| 2025 | 24 | 18 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Digital temperature sensor, corresponding device and method22 Sep 2026US 12,742,688 B2STMicroelectronics International N. V.
- Sigma-delta modulator and a class D amplifier18 Aug 2026US 12,712,566 B1Renesas Design Netherlands B.V.
- Tamper detector based on power network electrical characteristic23 Jun 2026US 12,664,323 B2Microsemi SoC Corporation
- Second order audio continuous time delta sigma modulator with resonator16 Jun 2026US 12,658,936 B2Skyworks Solutions, Inc.
- Low-latency delta-sigma modulator28 Apr 2026US 12,615,059 B2Texas Instruments Incorporated
- Current-mode analog-to-digital converter systems, devices and methods for multi-sensing20 Aug 2026US 2026/0246479 A1Cypress Semiconductor Corporation
- Flat spot suppression in sigma delta converters13 Aug 2026US 2026/0238223 A1Cypress Semiconductor Corporation
- Delta-sigma modulator and control method thereof23 Jul 2026US 2026/0213765 A1Asahi Kasei Microdevices Corporation
- Delta sigma modulator with output controlled feedback current11 Jun 2026US 2026/0163585 A1NXP B. V.
- Ad conversion circuit, photoelectric conversion device, image capturing device, moving body, and method of driving ad conversion circuit16 Apr 2026US 2026/0107078 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- CMOS image sensor with pixel level A/D conversion381US 5,461,425 AStanford University · 1995
- Method and apparatus for multiplexed oversampled analog to digital modulation228US 5,248,971 A1993
- Method and arrangement for a sigma delta converter for bandpass signals146US 4,857,928 AMotorola, Inc. · 1989
- Combined angle demodulator and digitizer141US 5,369,404 AThe Regents of the University of California · 1994
- Sigma-delta analog-to-digital converter with filtration having controlled pole-zero locations, and apparatus therefor113US 5,392,042 AMartin Marietta Corporation · 1995