Driving circuit of a lamp and method for operating the driving circuit of the lamp
US-11839004-B2 · Dec 5, 2023 · US
with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B41/295 |
| Official title | with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps |
| Display label | with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for determining a target light intensity from a phase-control signal
US-11696379-B2 · Jul 4, 2023 · US
Method and Apparatus for Determining a Target Light Intensity From a Phase-Control Signal
US-2023038540-A1 · Feb 9, 2023 · US
Driving circuit of a lamp and method for operating the driving circuit of the lamp
US-2022361306-A1 · Nov 10, 2022 · US
Method and apparatus for determining a target light intensity from a phase-control signal
US-11490475-B2 · Nov 1, 2022 · US
Light emission control device, light source device, and projection-type video display device
US-11057594-B2 · Jul 6, 2021 · US
Method and Apparatus for Determining a Target Light Intensity From a Phase-Control Signal
US-2021029790-A1 · Jan 28, 2021 · US
Light emission control device, light source device, and projection-type video display device
US-2020374494-A1 · Nov 26, 2020 · US
Method and apparatus for determining a target light intensity from a phase-control signal
US-10805994-B2 · Oct 13, 2020 · US
Lamp system having a gas-discharge lamp and operating method adapted therefor
US-10652975-B2 · May 12, 2020 · US
Lamp system having a gas-discharge lamp and operating method adapted therefor
US-2019254151-A1 · Aug 15, 2019 · US
Method and Apparatus for Determining a Target Light Intensity From a Phase-Control Signal
US-2018376573-A1 · Dec 27, 2018 · US
Method and apparatus for determining a target light intensity from a phase-control signal
US-10070507-B2 · Sep 4, 2018 · US
Electronic ballast system for signage light
US-2018108281-A1 · Apr 19, 2018 · US
Method and Apparatus for Determining a Target Light Intensity From a Phase-Control Signal
US-2018042093-A1 · Feb 8, 2018 · US
Method and apparatus for determining a target light intensity from a phase-control signal
US-9795019-B2 · Oct 17, 2017 · US
Driving device and illumination system
US-9544980-B2 · Jan 10, 2017 · US
Multi-output electronic ballast
US-9426869-B2 · Aug 23, 2016 · US
Low pressure lamp using non-mercury materials
US-9418829-B2 · Aug 16, 2016 · US
Filament miswire protection in an electronic dimming ballast
US-9414472-B2 · Aug 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B41/295?
- CPC H05B41/295 is the Cooperative Patent Classification code for “with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps.”
- How many patents are filed under CPC H05B41/295 (with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC H05B41/295 growing?
- Publication counts under this code: 2 in 2022 vs 3 in 2023 (latest complete years).