Radio-frequency signal processing systems and methods
US-2024333403-A1 · Oct 3, 2024 · US
Monitoring during normal operation
Monitoring during normal operation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B17/18 |
| Official title | Monitoring during normal operation |
| Display label | Monitoring during normal operation |
| Total patents | 441 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 19 |
| 2017 | 36 |
| 2018 | 26 |
| 2019 | 48 |
| 2020 | 41 |
| 2021 | 44 |
| 2022 | 58 |
| 2023 | 56 |
| 2024 | 51 |
| 2025 | 35 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Active receiver to monitor transmitter radio frequency performance
US-2024080113-A1 · Mar 7, 2024 · US
Electronic device and cable and method of driving the same
US-2017353215-A1 · Dec 7, 2017 · US
Noise floor level reduction device and noise floor level reduction method
US-9838144-B2 · Dec 5, 2017 · US
Closed loop aperture tunable antenna
US-2017346178-A1 · Nov 30, 2017 · US
Monitoring system, monitoring method, and storage medium having monitoring program stored therein
US-2017346577-A1 · Nov 30, 2017 · US
Transceiver array with adjustment of local oscillator signals based on phase difference
US-9825694-B2 · Nov 21, 2017 · US
Configurable segmented antenna
US-9819070-B2 · Nov 14, 2017 · US
Automatic self-protection for a portable electronic device
US-9793939-B2 · Oct 17, 2017 · US
Techniques for RF transceiver self-calibration
US-9780889-B1 · Oct 3, 2017 · US
Method and Arrangement for Multi Band Communication
US-2017251374-A1 · Aug 31, 2017 · US
Configurable segmented antenna
US-2017244150-A1 · Aug 24, 2017 · US
Radio Frequency System and Method for Monitoring Engine-Out Exhaust Constituents
US-2017211453-A1 · Jul 27, 2017 · US
Remote spectrum analysis of transmit bands in communication systems
US-2017187400-A1 · Jun 29, 2017 · US
Apparatus and method for estimating parameter of multi path signal
US-2017142606-A1 · May 18, 2017 · US
Method and system for estimating and use of device location based on radio frequency signature of coverage from a single base station
US-9622036-B1 · Apr 11, 2017 · US
Test system and method for testing multiple devices under test simultaneously
US-2017094540-A1 · Mar 30, 2017 · US
Beamforming calibration
US-2017093539-A1 · Mar 30, 2017 · US
Detection of device compliance with an operational policy
US-9602299-B1 · Mar 21, 2017 · US
Noise localization within cable based communication systems
US-9596041-B2 · Mar 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B17/18?
- CPC H04B17/18 is the Cooperative Patent Classification code for “Monitoring during normal operation.”
- How many patents are filed under CPC H04B17/18 (Monitoring during normal operation)?
- Our database includes 441 publications tagged with this CPC code.
- Is patent activity under CPC H04B17/18 growing?
- Publication counts under this code: 51 in 2024 vs 35 in 2025 (latest complete years).