H05B 45/347
Dynamic headroom control [dhc]
Official title: Dynamic headroom control [DHC]
H05B45/347 (Dynamic headroom control [dhc]) appears on 119 US grants and 126 published applications in this corpus.
Search patents in H05B- Granted patents
- 119
- Published applications
- 126
- Assignees
- 79
- Inventors
- 265
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 10 |
| 2010 | 3 | 13 |
| 2011 | 9 | 4 |
| 2012 | 7 | 11 |
| 2013 | 10 | 10 |
| 2014 | 12 | 5 |
| 2015 | 7 | 2 |
| 2016 | 7 | 4 |
| 2017 | 4 | 3 |
| 2018 | 4 | 5 |
| 2019 | 8 | 5 |
| 2020 | 5 | 4 |
| 2021 | 3 | 3 |
| 2022 | 10 | 13 |
| 2023 | 10 | 9 |
| 2024 | 6 | 6 |
| 2025 | 5 | 5 |
| 2026 | 5 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Light-emitting driving device and a backlight apparatus25 Aug 2026US 12,720,653 B2Lx Semicon Co., Ltd.
- LED driving device and LED lighting device including the same12 May 2026US 12,628,253 B2Lx Semicon Co., Ltd.
- Lamp system5 May 2026US 12,621,914 B2Hyundai Mobis Co., Ltd.
- Methods and apparatus to supply power to LED circuitry24 Feb 2026US 12,563,651 B2Texas Instruments Incorporated
- Two-stage operating device with an isolatable clocked converter as a power factor corrector and control method for the operating device27 Jan 2026US 12,538,401 B2Inventronics, Inc.
- A multi-channel light emitting diode, led, driver, as well as a corresponding method, led based lighting device and a computer program product27 Aug 2026US 2026/0255456 A1Signify Holding B. V.
- Power demultiplexer for high efficiency multi-channel led driver30 Jul 2026US 2026/0223265 A1Signify Holding B. V.
- Light-emitting element driving circuit and light-emitting element driving chip2 Jul 2026US 2026/0190195 A1Suzhou Novosense Microelectronics Co., Ltd.
- Led driving device, led light source device, and vehicle onboard display device16 Apr 2026US 2026/0107360 A1Rohm Co., Ltd.
- Light source driving systems and devices19 Mar 2026US 2026/0082469 A1O2Micro, Inc.
Most cited
By later US patents
- Power regulation for LED strings81US 7,843,150 B2Texas Instruments Incorporated · 2010
- Optical vehicle display60US 6,396,466 B1Agilent Technologies, Inc. · 2002
- Circuits and methods for controlling LCD backlights54US 8,044,609 B202Micro, Inc. · 2011
- Electronic circuit for driving a diode load with a predetermined average current35US 7,999,487 B2Allegro MicroSystems, LLC · 2011
- Driving circuit for powering light sources30US 7,919,936 B2O2 Micro, Inc. · 2011