Demodulator circuits for amplitude shift keying (ASK) communication demodulation
US-12506443-B2 · Dec 23, 2025 · US
Demodulation of amplitude-modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence)
Demodulation of amplitude-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 | H03D1/00 |
| Official title | Demodulation of amplitude-modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence) |
| Display label | Demodulation of amplitude-modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence) |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switching interval modulation with pulse encoded transitions
US-12425108-B2 · Sep 23, 2025 · US
Isolation communications channel using direct demodulation and data-edge encoding
US-2025247066-A1 · Jul 31, 2025 · US
Demodulation signal generator for air pulse generator
US-12261567-B2 · Mar 25, 2025 · US
Isolation communications channel using direct demodulation and data-edge encoding
US-12218645-B2 · Feb 4, 2025 · US
Demodulation Signal Generator for Air Pulse Generator
US-2024128928-A1 · Apr 18, 2024 · US
Method and control unit for demodulation
US-11946949-B2 · Apr 2, 2024 · US
Isolation communications channel using direct demodulation and data-edge encoding
US-2023402984-A1 · Dec 14, 2023 · US
Physiological signal detection system
US-2023327606-A1 · Oct 12, 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
Isolation communications channel using direct demodulation and data-edge encoding
US-11689174-B2 · Jun 27, 2023 · US
Isolation communications channel using direct demodulation and data-edge encoding
US-2022385258-A1 · Dec 1, 2022 · US
Switching interval modulation with pulse encoded transitions
US-2022239384-A1 · Jul 28, 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
Method And Control Unit For Demodulation
US-2022120783-A1 · Apr 21, 2022 · US
Receiving device, receiving method, and receiving system
US-11296741-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
Dual frequency transceiver device
US-10984300-B2 · Apr 20, 2021 · US
Multiple user interaction with audio devices using speech and gestures
US-10928917-B2 · Feb 23, 2021 · US
System and method for cancelling strong signals from combined weak and strong signals in communications systems
US-2021013914-A1 · Jan 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03D1/00?
- CPC H03D1/00 is the Cooperative Patent Classification code for “Demodulation of amplitude-modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence).”
- How many patents are filed under CPC H03D1/00 (Demodulation of amplitude-modulated oscillations (H03D5/00, H03D9/00, H03D11/00 take precedence))?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC H03D1/00 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).