Issued Patents All Time
Showing 1–25 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352420 | Retrofit LED tube with safety switch | — | 2025-07-08 |
| 12302472 | Method and system for supporting serviceability of luminaires | Matthias Wendt, Martinus Petrus Creusen, Bernd Ackermann | 2025-05-13 |
| 12294410 | Trigger-based optical wireless communication system | ANDREAS FELIX ALFRED BLUSCHKE, KARNEKUMAR ARULANDU | 2025-05-06 |
| 12244344 | Link establishment in a multi-cell wireless network | Michel Germe, ANDREAS FELIX ALFRED BLUSCHKE, Christian Jordan | 2025-03-04 |
| 12200844 | Systems and methods for wireless intra-luminaire communication and control of separate lamps | PETER DEIXLER | 2025-01-14 |
| 12163831 | APD bias circuit with dual analog feedback loop control | Christian Jordan, Aleksandar Sevo, KARNEKUMAR ARULANDU | 2024-12-10 |
| 12150221 | Method and system for setting a driving current of luminaires | Werner Friedrich Horikx, Matthias Wendt, Martinus Petrus Creusen, Bernd Ackermann | 2024-11-19 |
| 12113573 | Power supply for distributed optical wireless communication system | ANDREAS FELIX ALFRED BLUSCHKE, Christian Jordan | 2024-10-08 |
| 12031689 | Tubular device for fitting to a tubular light fitting | GaoXian Jin, Zhaoting Li, Raimundo De Heer Galisteo | 2024-07-09 |
| 11979958 | Power reduction for radar-based motion detection systems and methods | Frits Tobi De Jongh, Fetze Pijlman, Christian Hattrup | 2024-05-07 |
| 11910502 | LED driver for LED lighting systems for replacing a high-intensity discharge lamp | Paul R. Veldman, Jie Fu, Gang Wang, Zhiquan Chen, Jian Longqui | 2024-02-20 |
| 11758627 | Light emitting diode, LED, based lighting device having circuitry for detecting presence of a human body touching the live voltage | Guy Louis Paul De Bondt, Dalibor Cvoric, Franciscus Jacobus Vossen, Hermanus Johannes Maria Vos | 2023-09-12 |
| 11672073 | Lamp having a safety circuit, and a safety circuit for use in such lamps | Xiajuan Wu, Dalibor Cvoric, Ye Liu, Yun-Nan Wang, Han Lu +3 more | 2023-06-06 |
| 11483911 | Double ended retrofit light emitting diode, LED, based lighting device for preventing an excess of leakage current during installation of said lighting device, as well as a corresponding method | — | 2022-10-25 |
| 11421868 | Tube LED | — | 2022-08-23 |
| 11259381 | LED driver and LED lighting system for use with a high frequency electronic ballast | Brian Zhang, Derek Zheng | 2022-02-22 |
| 11137119 | Tubular device for fitting to a tubular light fitting | Tian Xiang Wen, Feng Ju, Frits Tobi De Jongh, Han Lu, PIETER JOHANNES STOBBELAAR | 2021-10-05 |
| 11118773 | Conversion circuit between fluorescent ballast and LED | Xianhui Zhang, Frits Tobi De Jongh, Han Lu | 2021-09-14 |
| 11109470 | Tubular lighting device, luminaire and method for operating with an electronic ballast | Bernd Ackermann, Theodorus Johannes Petrus Van Den Biggelaar, PIETER JOHANNES STOBBELAAR, Henricus Theodorus Van Der Zanden | 2021-08-31 |
| 11083058 | Lighting drive, lighting system and control method | Zhi Quan Chen, Xianhui Zhang, Hui Zheng | 2021-08-03 |
| 11079073 | Tubular solid state lighting | — | 2021-08-03 |
| 11057973 | Retrofit LED lighting device having improved timing event detection for increasing stable driver operation without light flicker | Frits Tobi De Jongh, Dmytro Viktorovych Malyna | 2021-07-06 |
| 11006490 | Electronic ballast interface circuit | Xianhui Zhang, Derek Zheng, Zhi Quan Chen, Huojun Long, Wen Ran | 2021-05-11 |
| 10904972 | Retrofit light emitting diode, LED, tube for reducing audible noise originating from a high frequency electronic ballast | Zhi Quan Chen, Xianhui Zhang | 2021-01-26 |
| 10841988 | Retrofit LED tube for replacing a fluorescent tube | Anteneh Alemu Abbo, Bernd Ackermann, Kumar Arulandu, Wai Pang Chow, PIETER JOHANNES STOBBELAAR +1 more | 2020-11-17 |