Half duplex amplifier
US-2024162872-A1 · May 16, 2024 · US
Control by a pilot signal (H03G3/001 takes precedence)
Control by a pilot signal (H03G3/001 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 | H03G3/005 |
| Official title | {Control by a pilot signal (H03G3/001 takes precedence)} |
| Display label | Control by a pilot signal (H03G3/001 takes precedence) |
| Total patents | 45 |
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 | 5 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Half duplex amplifier
US-11870403-B2 · Jan 9, 2024 · US
Methods and apparatuses for driving audio and ultrasonic signals from the same transducer
US-11856366-B2 · Dec 26, 2023 · US
Half duplex amplifier
US-2023098958-A1 · Mar 30, 2023 · US
Method and apparatus for level control in blending an audio signal in an in-band on-channel radio system
US-RE49210-E · Sep 13, 2022 · US
Speaker amplifier
US-11425498-B2 · Aug 23, 2022 · US
Inference and correction of automatic gain compensation
US-11206001-B2 · Dec 21, 2021 · US
Acoustic signal processing device, acoustic signal processing method, and non-transitory computer-readable recording medium therefor
US-2021384879-A1 · Dec 9, 2021 · US
Speaker amplifier
US-2021289295-A1 · Sep 16, 2021 · US
Current vectoring to electroacoustic output transducers having multiple voice coils
US-11102583-B1 · Aug 24, 2021 · US
Methods and apparatuses for driving audio and ultrasonic signals from the same transducer
US-2021044906-A1 · Feb 11, 2021 · US
Analog based speaker thermal protection in class-D amplifiers
US-10903802-B2 · Jan 26, 2021 · US
Methods and apparatuses for driving audio and ultrasonic signals from the same transducer
US-10863284-B2 · Dec 8, 2020 · US
Audio distortion compensation
US-10778173-B2 · Sep 15, 2020 · US
Speaker excursion protection
US-2020288242-A1 · Sep 10, 2020 · US
Inference and correction of automatic gain compensation
US-2020274509-A1 · Aug 27, 2020 · US
Analog based speaker thermal protection in class-d amplifiers
US-2020252034-A1 · Aug 6, 2020 · US
Non-linear feedback control for temperature and power protection of loudspeakers
US-10701484-B2 · Jun 30, 2020 · US
Speaker excursion protection
US-2020186921-A1 · Jun 11, 2020 · US
Speaker excursion protection
US-10674263-B1 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03G3/005?
- CPC H03G3/005 is the Cooperative Patent Classification code for “Control by a pilot signal (H03G3/001 takes precedence).”
- How many patents are filed under CPC H03G3/005 (Control by a pilot signal (H03G3/001 takes precedence))?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC H03G3/005 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2024 (latest complete years).