Inductor and manufacturing method thereof, filter and electronic device
US-2024312693-A1 · Sep 19, 2024 · US
in which the lamp is fed by high frequency AC {, or with separate oscillator frequency} (H05B41/26 takes precedence)
in which the lamp is fed by high frequency AC {, or with separate oscillator frequency} (H05B41/26 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 | H05B41/24 |
| Official title | in which the lamp is fed by high frequency AC {, or with separate oscillator frequency} (H05B41/26 takes precedence) |
| Display label | in which the lamp is fed by high frequency AC {, or with separate oscillator frequency} (H05B41/26 takes precedence) |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 14 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light source device, dielectric barrier discharge lamp lighting circuit, and dielectric barrier discharge lamp lighting method
US-2024244724-A1 · Jul 18, 2024 · US
Excimer lamp light source device
US-11270879-B2 · Mar 8, 2022 · US
Dedicated bias supply for radio communications in light drivers
US-11184961-B2 · Nov 23, 2021 · US
Excimer lamp light source device
US-2021313165-A1 · Oct 7, 2021 · US
Microwave excited ultraviolet lamp system with data logging and retrieval circuit and method
US-11011368-B2 · May 18, 2021 · US
Dedicated bias supply for radio communications in light drivers
US-2020413499-A1 · Dec 31, 2020 · US
Discharge lamp drive device, light source device, projector, and discharge lamp drive method
US-10568192-B2 · Feb 18, 2020 · US
Universal voltage converter and inductive power coupling
US-10361752-B2 · Jul 23, 2019 · US
Discharge lamp drive device, light source device, projector, and discharge lamp drive method
US-2019199985-A1 · Jun 27, 2019 · US
Electrical ballast and driving method thereof
US-10152068-B1 · Dec 11, 2018 · US
Supply voltage management
US-10122252-B2 · Nov 6, 2018 · US
Discharge lamp lighting device, lamp failure detection method, and projector
US-10039176-B2 · Jul 31, 2018 · US
Inductively coupled ballast circuit
US-10014722-B2 · Jul 3, 2018 · US
Multiphase light fixture
US-10009972-B2 · Jun 26, 2018 · US
Discharge lamp driving device, projector, and discharge lamp driving method
US-9930305-B2 · Mar 27, 2018 · US
Common mode noise suppression of switchmode power converters by capacitive shield with damping network
US-9913356-B2 · Mar 6, 2018 · US
Discharge lamp driving device, projector, and discharge lamp driving method
US-9897902-B2 · Feb 20, 2018 · US
Discharge lamp driving device, projector, and discharge lamp driving method
US-2017295350-A1 · Oct 12, 2017 · US
Multiphase Light Fixture
US-2017231049-A1 · Aug 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B41/24?
- CPC H05B41/24 is the Cooperative Patent Classification code for “in which the lamp is fed by high frequency AC {, or with separate oscillator frequency} (H05B41/26 takes precedence).”
- How many patents are filed under CPC H05B41/24 (in which the lamp is fed by high frequency AC {, or with separate oscillator frequency} (H05B41/26 takes precedence))?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC H05B41/24 growing?
- Publication counts under this code: 1 in 2022 vs 2 in 2024 (latest complete years).