Enhanced PPM frequency offset detector
US-12549326-B2 · Feb 10, 2026 · US
Position modulation, i.e. PPM
Position modulation, i.e. PPM · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K7/04 |
| Official title | Position modulation, i.e. PPM |
| Display label | Position modulation, i.e. PPM |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enhanced ppm frequency offset detector
US-2025343669-A1 · Nov 6, 2025 · US
Impulse generation method and impulse-radio transmitter
US-12021557-B2 · Jun 25, 2024 · US
Data transfer with continuous weighted PPM duration signal
US-11789857-B2 · Oct 17, 2023 · US
Impulse generation method and impulse-radio transmitter
US-2023268955-A1 · Aug 24, 2023 · US
Method for determining an inverse impulse response of a communication channel
US-11711092-B2 · Jul 25, 2023 · US
Data transfer with continuous weighted ppm duration signal
US-2023046980-A1 · Feb 16, 2023 · US
Method for determining an inverse impulse response of a communication channel
US-2022407536-A1 · Dec 22, 2022 · US
Digital signal processing in mud pulse telemetry
US-11448065-B2 · Sep 20, 2022 · US
PFM control circuit, PFM control system and PFM control method
US-11387823-B2 · Jul 12, 2022 · US
Pfm control circuit, pfm control system and pfm control method
US-2021226538-A1 · Jul 22, 2021 · US
Method for generating an output signal having predetermined jitter characteristics
US-10972331-B2 · Apr 6, 2021 · US
Demodulator for pulse-width modulated clock signals
US-10749717-B2 · Aug 18, 2020 · US
Method for generating an output signal having predetermined jitter characteristics
US-2020252257-A1 · Aug 6, 2020 · US
Digital signal processing in mud pulse telemetry
US-2020208512-A1 · Jul 2, 2020 · US
Devices and methods for digital signal processing in mud pulse telemetry
US-10619479-B2 · Apr 14, 2020 · US
Pulse density modulation adjustment
US-10523190-B2 · Dec 31, 2019 · US
Pulse position modulation circuit
US-2019207646-A1 · Jul 4, 2019 · US
Pulse density modulation adjustment
US-2019165775-A1 · May 30, 2019 · US
Demodulator for pulse-width modulated clock signals
US-2019007243-A1 · Jan 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03K7/04?
- CPC H03K7/04 is the Cooperative Patent Classification code for “Position modulation, i.e. PPM.”
- How many patents are filed under CPC H03K7/04 (Position modulation, i.e. PPM)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC H03K7/04 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).