Estimating and compensating for crystal oscillator differences in a multi-crystal-oscillator radar
US-2026023158-A1 · Jan 22, 2026 · US
Demodulation of angle-, {frequency- or phase-} modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence)
Demodulation of angle-, {frequency- or phase-} modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03D3/00 |
| Official title | Demodulation of angle-, {frequency- or phase-} modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence) |
| Display label | Demodulation of angle-, {frequency- or phase-} modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence) |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Estimating and compensating for crystal oscillator differences in a multi-crystal-oscillator radar
US-12455349-B2 · Oct 28, 2025 · US
Methods and apparatus for phase change detection using a resonator
US-12362975-B2 · Jul 15, 2025 · US
Estimating and compensating for crystal oscillator differences in a multi-crystal-oscillator radar
US-2025035744-A1 · Jan 30, 2025 · US
Reading device for capacitive sensing element
US-12209888-B2 · Jan 28, 2025 · US
Reading device for capacitive sensing element
US-2024230379-A9 · Jul 11, 2024 · US
Reading device for capacitive sensing element
US-2024133716-A1 · Apr 25, 2024 · US
Demodulator and wireless receiver including the same
US-11870394-B2 · Jan 9, 2024 · US
Methods and apparatus for phase change detection using a resonator
US-2023370313-A1 · Nov 16, 2023 · US
Methods and apparatus for phase change detection using a resonator
US-11743083-B2 · Aug 29, 2023 · US
System and method for cancelling strong signals from combined weak and strong signals in communications systems
US-11711103-B2 · Jul 25, 2023 · US
Demodulator and wireless receiver including the same
US-2022247356-A1 · Aug 4, 2022 · US
Digital isolator
US-11405241-B2 · Aug 2, 2022 · US
System and method for cancelling strong signals from combined weak and strong signals in communications systems
US-2022209801-A1 · Jun 30, 2022 · US
Electronic envelope detection circuit and corresponding demodulator
US-11296654-B2 · Apr 5, 2022 · US
System and method for cancelling strong signals from combined weak and strong signals in communications systems
US-11283476-B2 · Mar 22, 2022 · US
Digital isolator
US-2021266199-A1 · Aug 26, 2021 · US
Transceiver with inseparable modulator demodulator circuits
US-11095427-B1 · Aug 17, 2021 · US
Methods and apparatus for performing a high speed phase demodulation scheme using a low bandwidth phase-lock loop
US-11082271-B2 · Aug 3, 2021 · US
Digital isolator
US-11038721-B2 · Jun 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03D3/00?
- CPC H03D3/00 is the Cooperative Patent Classification code for “Demodulation of angle-, {frequency- or phase-} modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence).”
- How many patents are filed under CPC H03D3/00 (Demodulation of angle-, {frequency- or phase-} modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence))?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC H03D3/00 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).