Systems and methods for switching reference crystal oscillators for a transceiver of a wireless device
US-12574054-B2 · Mar 10, 2026 · US
Automatic frequency control (H03J7/18 takes precedence)
Automatic frequency control (H03J7/18 takes 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 | H03J7/02 |
| Official title | Automatic frequency control (H03J7/18 takes precedence) |
| Display label | Automatic frequency control (H03J7/18 takes precedence) |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vehicle, server, control method of vehicle and control method of server
US-2025024226-A1 · Jan 16, 2025 · US
Systems and Methods for Switching Reference Crystal Oscillators for a Transceiver of a Wireless Device
US-2024030943-A1 · Jan 25, 2024 · US
Systems and Methods for Switching Reference Crystal Oscillators for a Transceiver of a Wireless Device
US-2023006699-A1 · Jan 5, 2023 · US
Vehicle, server, control method of vehicle and control method of server
US-2022417700-A1 · Dec 29, 2022 · US
Systems and methods for switching reference crystal oscillators for a transceiver of a wireless device
US-11476877-B2 · Oct 18, 2022 · US
Tuner device
US-11265026-B2 · Mar 1, 2022 · US
Amplitude and phase detection circuit
US-11150283-B2 · Oct 19, 2021 · US
Systems and Methods for Switching Reference Crystal Oscillators for a Transceiver of a Wireless Device
US-2020389190-A1 · Dec 10, 2020 · US
Tuner device
US-2020328765-A1 · Oct 15, 2020 · US
Systems and methods for switching reference crystal oscillators for a transceiver of a wireless device
US-10784902-B2 · Sep 22, 2020 · US
Amplitude and phase detection circuit
US-2020150164-A1 · May 14, 2020 · US
Resonant magnetic coupling wireless power transfer system with calibration capabilities of its inductor-capacitor resonant frequencies
US-10622841-B2 · Apr 14, 2020 · US
Method and system for detecting useful signals with significant respective frequency drifts in an overall signal
US-10554291-B2 · Feb 4, 2020 · US
Automatic frequency controllers for adjusting digital loop filter gain based on wireless channel classification, wireless communication devices including the same, automatic frequency control methods. and wireless communication methods
US-10536317-B2 · Jan 14, 2020 · US
Systems and Methods for Switching Reference Crystal Oscillators for a Transceiver of a Wireless Device
US-2019356343-A1 · Nov 21, 2019 · US
Method and system for detecting useful signals with significant respective frequency drifts in an overall signal
US-2019341996-A1 · Nov 7, 2019 · US
Automatic frequency controllers for adjusting digital loop filter gain based on wireless channel classification, wireless communication devices including the same, automatic frequency control methods, and wireless communication methods
US-2019215207-A1 · Jul 11, 2019 · US
Automatic frequency controllers for adjusting digital loop filter gain based on wireless channel classification, wireless communication devices including the same, automatic frequency control methods and wireless communication methods
US-10291456-B2 · May 14, 2019 · US
Antenna tuning device
US-10277267-B1 · Apr 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03J7/02?
- CPC H03J7/02 is the Cooperative Patent Classification code for “Automatic frequency control (H03J7/18 takes precedence).”
- How many patents are filed under CPC H03J7/02 (Automatic frequency control (H03J7/18 takes precedence))?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC H03J7/02 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).