Envelope detector with clamping circuitry
US-12273072-B2 · Apr 8, 2025 · US
A diode as rectifier being used as a detecting circuit in an amplifying circuit
A diode as rectifier being used as a detecting circuit in an amplifying circuit · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F2200/99 |
| Official title | A diode as rectifier being used as a detecting circuit in an amplifying circuit |
| Display label | A diode as rectifier being used as a detecting circuit in an amplifying circuit |
| Total patents | 34 |
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 | 2 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amplifier circuit with an output limiter
US-12040754-B2 · Jul 16, 2024 · US
Multiple-Port Signal Boosters
US-2023396225-A1 · Dec 7, 2023 · US
Gain compression compensation circuit of radio frequency power amplifier
US-11837998-B2 · Dec 5, 2023 · US
Envelope detector with clamping circuitry
US-2023208362-A1 · Jun 29, 2023 · US
Multiple-Port Signal Booster
US-2022069791-A1 · Mar 3, 2022 · US
Amplifier circuit with an output limiter
US-2021408974-A1 · Dec 30, 2021 · US
Optical detection circuit comprising an optical detector to generate voltage between an anode and a cathode due to photoelectromotive force generated in accordance with incident light quantity
US-11118970-B2 · Sep 14, 2021 · US
Gain compression compensation circuit of radio frequency power amplifier
US-2021194441-A1 · Jun 24, 2021 · US
Self-biasing and self-sequencing of depletion mode transistors
US-10825928-B2 · Nov 3, 2020 · US
Optical detection circuit
US-2020271514-A1 · Aug 27, 2020 · US
Multiple-port signal boosters
US-2020204132-A1 · Jun 25, 2020 · US
Self-biasing and self-sequencing of depletion-mode transistors
US-2020168734-A1 · May 28, 2020 · US
Self-biasing and self-sequencing of depletion-mode transistors
US-10580892-B2 · Mar 3, 2020 · US
Linear CMOS PA with low quiescent current and boosted maximum linear output power
US-10560060-B2 · Feb 11, 2020 · US
Multiple-port signal booster
US-2020044618-A1 · Feb 6, 2020 · US
Multiple-port signal booster
US-2019386625-A1 · Dec 19, 2019 · US
Bias modulation active linearization for broadband amplifiers
US-10389312-B2 · Aug 20, 2019 · US
Self-biasing and self-sequencing of depletion-mode transistors
US-2019245085-A1 · Aug 8, 2019 · US
Multiple-port signal boosters
US-2019068154-A1 · Feb 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F2200/99?
- CPC H03F2200/99 is the Cooperative Patent Classification code for “A diode as rectifier being used as a detecting circuit in an amplifying circuit.”
- How many patents are filed under CPC H03F2200/99 (A diode as rectifier being used as a detecting circuit in an amplifying circuit)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC H03F2200/99 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).