Radio detector
US-12519553-B2 · Jan 6, 2026 · US
for receivers in which no local oscillation is generated
for receivers in which no local oscillation is generated · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B1/22 |
| Official title | for receivers in which no local oscillation is generated |
| Display label | for receivers in which no local oscillation is generated |
| Total patents | 30 |
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 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Signal sending method, signal receiving method, and communication apparatus
US-2025023624-A1 · Jan 16, 2025 · US
Radio Detector
US-2024022341-A1 · Jan 18, 2024 · US
Ultra-low-power millimeter-wave to baseband receiver module for scalable massive MIMO
US-11664840-B2 · May 30, 2023 · US
Tuning analog front end response for jitter tolerance margins
US-11665031-B1 · May 30, 2023 · US
Signaling device for passively transmitting signals
US-11415667-B2 · Aug 16, 2022 · US
Envelope-detecting circuit and receiver incorporating this circuit
US-11381202-B2 · Jul 5, 2022 · US
Ultra-low-power millimeter-wave to baseband receiver module for scalable massive mimo
US-2022182092-A1 · Jun 9, 2022 · US
RF transmitter
US-11336314-B2 · May 17, 2022 · US
Ultra-low-power millimeter-wave to baseband receiver module for scalable massive MIMO
US-11296742-B2 · Apr 5, 2022 · US
Ultra-low-power millimeter-wave to baseband receiver module for scalable massive mimo
US-2022045705-A1 · Feb 10, 2022 · US
RF Transmitter
US-2021194516-A1 · Jun 24, 2021 · US
Envelope-detecting circuit and receiver incorporating this circuit
US-2021194431-A1 · Jun 24, 2021 · US
Receiving circuit, receiving apparatus and receiving method
US-10797742-B2 · Oct 6, 2020 · US
Receiving circuit, receiving apparatus and receiving method
US-2020252095-A1 · Aug 6, 2020 · US
Signaling Device For Passively Transmitting Signals
US-2020249313-A1 · Aug 6, 2020 · US
Conductive auxiliary agent, electrode material for battery, and method for manufacturing electrode material for battery
US-10658667-B2 · May 19, 2020 · US
Source-synchronous receiver using edge-detection clock recovery
US-10243571-B2 · Mar 26, 2019 · US
Conductive auxiliary agent, electrode material for battery, and method for manufacturing electrode material for battery
US-2018287159-A1 · Oct 4, 2018 · US
Source-synchronous receiver using edge-detection clock recovery
US-2018083639-A1 · Mar 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B1/22?
- CPC H04B1/22 is the Cooperative Patent Classification code for “for receivers in which no local oscillation is generated.”
- How many patents are filed under CPC H04B1/22 (for receivers in which no local oscillation is generated)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC H04B1/22 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).