H03M 1/504
Using pulse width modulation
Official title: {using pulse width modulation}
H03M1/504 (Using pulse width modulation) appears on 170 US grants and 105 published applications in this corpus.
Search patents in H03M- Granted patents
- 170
- Published applications
- 105
- Assignees
- 115
- Inventors
- 303
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 4 | 5 |
| 2008 | 2 | 6 |
| 2009 | 5 | 4 |
| 2010 | 6 | 7 |
| 2011 | 6 | 3 |
| 2012 | 3 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 4 | 1 |
| 2016 | 2 | 6 |
| 2017 | 5 | 2 |
| 2018 | 4 | 9 |
| 2019 | 9 | 7 |
| 2020 | 11 | 12 |
| 2021 | 8 | 5 |
| 2022 | 8 | 8 |
| 2023 | 9 | 8 |
| 2024 | 7 | 5 |
| 2025 | 6 | 6 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Programmable voltage to time converter25 Aug 2026US 12,719,492 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Self-calibrating delay line flash ADC and tracking circuitry7 Jul 2026US 12,676,624 B2Infineon Technologies Austria AG
- System and method of generating signals for analog-digital converter (ADC) calibration7 Jul 2026US 12,676,629 B2Avago Technologies International Sales Pte. Limited
- Method and apparatus for SAR analog-to-digital conversion5 May 2026US 12,621,001 B2Diodes Incorporated
- Analog-to-digital converter with 3rd order noise transfer function25 Nov 2025US 12,483,264 B2The Regents of the University of Michigan
- Method and Apparatus for SAR Analog-to-Digital Conversion20 Nov 2025US 2025/0357944 A1Diodes Incorporated
- Self-calibrating delay line flash adc and tracking circuitry16 Oct 2025US 2025/0323653 A1Infineon Technologies Austria AG
- Driver circuitry14 Aug 2025US 2025/0260414 A1Cirrus Logic International Semiconductor Ltd.
- Fault communication in voltage regulator systems5 Jun 2025US 2025/0181093 A1MaxLinear, Inc.
- System and method of generating signals for analog-digital converter (adc) calibration1 May 2025US 2025/0141466 A1Avago Technologies International Sales Pte. Limited
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
- Analog-to-digital converter with input voltage biasing DC level of resonant oscillator96US 8,711,027 B1Western Digital Technologies, Inc. · 2014
- Analog to digital converter with autoranging offset86US 5,329,281 AHewlett-Packard Company · 1994
- Reversible analog-to-digital converter33US 4,112,427 ASiemens Aktiengesellschaft · 1978