Isolated gate driver device for a power electrical system and corresponding power electrical system
US-11722133-B2 · Aug 8, 2023 · US
using pulse width modulation
using pulse width modulation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M1/504 |
| Official title | {using pulse width modulation} |
| Display label | using pulse width modulation |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 13 |
| 2024 | 8 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Programmable analog calibration circuit supporting iterative measurement of an input signal from a measured circuit, such as for calibration, and related methods
US-11705890-B2 · Jul 18, 2023 · US
Driver circuitry
US-2023216515-A1 · Jul 6, 2023 · US
Signal decoding method, decoding circuit, and stylus
US-2023168754-A1 · Jun 1, 2023 · US
Driver circuitry
US-11658673-B2 · May 23, 2023 · US
Non-linear inter-ADC calibration by time equidistant triggering
US-11621717-B1 · Apr 4, 2023 · US
Clockless programmable pulse width generation using an inverse chaotic map
US-2022416769-A1 · Dec 29, 2022 · US
Time encoding modulator circuitry
US-11509272-B2 · Nov 22, 2022 · US
Sorting networks using unary processing
US-11475288-B2 · Oct 18, 2022 · US
Clockless programmable pulse width generation using an inverse chaotic map
US-11381224-B2 · Jul 5, 2022 · US
Pulse width modulation decoder circuit, corresponding device and methods of operation
US-2022209763-A1 · Jun 30, 2022 · US
FTR loop of a gyro apparatus
US-11243078-B2 · Feb 8, 2022 · US
Driver circuitry
US-2022038111-A1 · Feb 3, 2022 · US
Pwm circuitry
US-2022038087-A1 · Feb 3, 2022 · US
Time encoding modulator circuitry
US-2021367567-A1 · Nov 25, 2021 · US
Modulators
US-11165436-B2 · Nov 2, 2021 · US
Digital-to-analog converter and amplifier for headphones
US-11133785-B2 · Sep 28, 2021 · US
Multi-stage sigma-delta analog-to-digital converter with dither
US-11121718-B1 · Sep 14, 2021 · US
Closed loop control in a camera module
US-11115046-B2 · Sep 7, 2021 · US
Predictive sample queueing for time-shared ADC in a multiphase PWM controller
US-11002771-B2 · May 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M1/504?
- CPC H03M1/504 is the Cooperative Patent Classification code for “using pulse width modulation.”
- How many patents are filed under CPC H03M1/504 (using pulse width modulation)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC H03M1/504 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).