H03M 3/432
The quantiser being a pulse width modulation type analogue/digital converter, i.e. differential
Official title: {the quantiser being a pulse width modulation type analogue/digital converter, i.e. differential pulse width modulation}
H03M3/432 (The quantiser being a pulse width modulation type analogue/digital converter, i.e. differential) appears on 57 US grants and 49 published applications in this corpus.
Search patents in H03M- Granted patents
- 57
- Published applications
- 49
- Assignees
- 39
- Inventors
- 93
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 5 | 4 |
| 2009 | 5 | 6 |
| 2010 | 5 | 2 |
| 2011 | 3 | 2 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 3 | 3 |
| 2023 | 4 | 4 |
| 2024 | 5 | 6 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Pulse width modulation generated by a sigma delta loop12 Nov 2024US 12,143,127 B2Infineon Technologies Austria AG
- Compensation device and method for excess loop delay using time division switching technique1 May 2025US 2025/0141468 A1The Industry & Academic Cooperation in Chungnam National University
- Amplifier with vco-based adc19 Dec 2024US 2024/0421784 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Transition smoothing apparatus for reducing spurious input to a system under feedback control21 Nov 2024US 2024/0388304 A1Skyworks Solutions, Inc.
- Delta-sigma modulator with anti-windup circuit3 Oct 2024US 2024/0333302 A1Politecnico Di Torino
- Systems and methods for error amplification and processing25 Jul 2024US 2024/0250648 A1On-Bright Electronics (Shanghai) Co., Ltd.
Most cited
By later US patents
- Analog to digital converter comprising an asynchronous sigma delta modulator and decimating digital filter64US 6,087,968 AU. S. Philips Corporation · 2000
- Apparatus and method for converting analog signal to pulse-width-modulated signal58US 6,970,503 B1National Semiconductor Corporation · 2005
- Closed loop power controller34US 5,352,986 ADigital Fidelity, Inc. · 1994
- Time encoding and decoding of a signal22US 7,573,956 B2The Trustees of Columbia University in the City of New York · 2009
- Analog to digital converter using asynchronous pulse technology21US 7,750,835 B1HRL Laboratories, LLC · 2010