Bidirectional Illuminated LED Bead Triggered by Power Line Pulse Signals
US-2024422877-A1 · Dec 19, 2024 · US
Antiparallel configurations
Antiparallel configurations · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B45/42 |
| Official title | Antiparallel configurations |
| Display label | Antiparallel configurations |
| Total patents | 227 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 25 |
| 2017 | 26 |
| 2018 | 11 |
| 2019 | 35 |
| 2020 | 27 |
| 2021 | 21 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 20 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light emitting diode chip for high voltage operation and light emitting diode package including the same
US-9847371-B2 · Dec 19, 2017 · US
High efficiency leds and led lamps
US-2017358625-A1 · Dec 14, 2017 · US
Systems and methods for optimizing power and control of a multicolored lighting system
US-9844115-B2 · Dec 12, 2017 · US
Multi-voltage and multi-brightness led lighting devices and methods of using same
US-2017354005-A1 · Dec 7, 2017 · US
Devices and systems having ac led circuits and methods of driving the same
US-2017295616-A1 · Oct 12, 2017 · US
Light regulating apparatus with feed forward compensation and light regulating method thereof
US-9781804-B2 · Oct 3, 2017 · US
Multi-voltage and multi-brightness LED lighting devices and methods of using same
US-9750098-B2 · Aug 29, 2017 · US
Color temperature controlled and low thd led lighting devices and systems and methods of driving the same
US-2017188426-A1 · Jun 29, 2017 · US
Light source substrate, display apparatus, and light source substrate inspection method
US-9693419-B2 · Jun 27, 2017 · US
Micro-light-emitting diode backlight system
US-2017167703-A1 · Jun 15, 2017 · US
Light-emitting device package and electronic device including light-emitting device
US-9681509-B2 · Jun 13, 2017 · US
Topology of distributing and connecting LEDs in a large area matrix
US-9655183-B2 · May 16, 2017 · US
Led circuits and assemblies
US-2017105256-A1 · Apr 13, 2017 · US
LED lighting system
US-9615420-B2 · Apr 4, 2017 · US
Wet processed electronic systems
US-9585205-B2 · Feb 28, 2017 · US
High efficiency LEDs and LED lamps
US-9559150-B2 · Jan 31, 2017 · US
Systems and methods for optimizing power and control of a multicolored lighting system
US-2017019973-A1 · Jan 19, 2017 · US
Color temperature controlled and low THD LED lighting devices and systems and methods of driving the same
US-9516716-B2 · Dec 6, 2016 · US
Light emitting device for ac power operation
US-2016345398-A1 · Nov 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B45/42?
- CPC H05B45/42 is the Cooperative Patent Classification code for “Antiparallel configurations.”
- How many patents are filed under CPC H05B45/42 (Antiparallel configurations)?
- Our database includes 227 publications tagged with this CPC code.
- Is patent activity under CPC H05B45/42 growing?
- Publication counts under this code: 20 in 2024 vs 12 in 2025 (latest complete years).