H03M 3/506
The final digital/analogue converter being constituted by a pulse width modulator
Official title: {the final digital/analogue converter being constituted by a pulse width modulator}
H03M3/506 (The final digital/analogue converter being constituted by a pulse width modulator) appears on 103 US grants and 70 published applications in this corpus.
Search patents in H03M- Granted patents
- 103
- Published applications
- 70
- Assignees
- 61
- Inventors
- 139
- Latest grant
- 27 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 0 |
| 2003 | 1 | 3 |
| 2004 | 5 | 6 |
| 2005 | 7 | 8 |
| 2006 | 3 | 6 |
| 2007 | 9 | 7 |
| 2008 | 11 | 4 |
| 2009 | 4 | 1 |
| 2010 | 3 | 3 |
| 2011 | 4 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 3 | 4 |
| 2016 | 6 | 3 |
| 2017 | 3 | 3 |
| 2018 | 4 | 1 |
| 2019 | 5 | 6 |
| 2020 | 2 | 3 |
| 2021 | 4 | 1 |
| 2022 | 4 | 3 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Power efficiency in an analog feedback class D modulator27 Feb 2024US 11,916,707 B2Analog Devices International Unlimited Company
- D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus19 Sep 2023US 11,764,803 B2Casio Computer Co., Ltd.
- Series-connected delta-sigma modulator28 Mar 2023US 11,616,512 B1National Cheng Kung University
- Device comprising a sensor, controller and corresponding methods29 Nov 2022US 11,515,887 B2Infineon Technologies AG
- D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus26 Apr 2022US 11,316,529 B2Casio Computer Co., Ltd.
- Circuitry comprising a loop filter26 Dec 2024US 2024/0429929 A1Cirrus Logic International Semiconductor Ltd.
- D/a conversion device, method, storage medium, electronic musical instrument, and information processing apparatus14 Jul 2022US 2022/0224351 A1Casio Computer Co., Ltd.
- Power efficiency in an analog feedback class d modulator7 Jul 2022US 2022/0217026 A1Analog Devices International Unlimited Company
- Driving Circuit with Energy Recycle Capability and Method Thereof3 Feb 2022US 2022/0037997 A1xMEMS Labs, Inc.
- Device comprising a sensor, controller and corresponding methods30 Sep 2021US 2021/0305997 A1Infineon Technologies AG
Most cited
By later US patents
- Analogue and digital convertors using pulse edge modulators with non-linearity error correction212US 5,548,286 AB & W Loudspeakers Limited · 1996
- Analogue and digital convertors146US 6,232,899 B1Cirrus Logic, Inc. · 2001
- Power supply compensation for noise shaped, digital amplifiers94US 6,344,811 B12002
- Real time correction of a digital PWM amplifier94US 6,373,334 B1Cirrus Logic, Inc. · 2002
- Data converters with digitally filtered pulse width modulation output stages and methods and systems using the same80US 6,727,832 B1Cirrus Logic, Inc. · 2004