Company Filing History:

12 out of 1,092

Abl IP Holding LLC

Acuity Brands Lighting, Inc.

patents

Years Active: 2016-2024

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12022585 - Dynamic PWM frequency control (2024-06-25),

2. 11652287 - Antenna systems for wireless communication in luminaires (2023-05-16),

3. 11268690 - Luminaire system with integrated, dynamic audio visual control (2022-03-08),

4. 11149938 - Luminaire system with trim component and integrated user experience elements (2021-10-19),

5. 10952292 - Programmable driver for variable light intensity (2021-03-16),

6. 10856384 - Lighting system with configurable color temperatures (2020-12-01),

7. 10448471 - Lighting system with configurable dimming (2019-10-15),

8. 10299337 - Systems to control dimming operations of a light-emitting diode light fixture using multiple dimming modes (2019-05-21),

9. 10104731 - Combination dimmable driver (2018-10-16),

10. 9867254 - Solid state lighting fixture with incandescent dimming characteristics (2018-01-09),

11. 9860951 - Systems and methods for balancing current among light-emitting diode boards (2018-01-02),

12. 9844114 - Color mixing for solid state lighting using direct AC drives (2017-12-12),

13. 9769894 - Controlling LED current from a constant voltage source (2017-09-19),

14. 9392658 - Skip-phase wireless dimmer for solid-state lighting (2016-07-12),

Title: Towfiq M Chowdhury: Innovator in PWM Systems and Wireless Communication

Introduction

Towfiq M Chowdhury is a notable inventor based in Lake Forest, IL (US), recognized for his contributions to pulse width modulation (PWM) systems and wireless communication technologies. With a total of 14 patents to his name, Chowdhury has made significant advancements in the field of electrical engineering.

Latest Patents

Chowdhury's latest patents include innovative technologies such as a dynamic PWM frequency control system. This system features current frequency determination circuitry that assesses the DC value of a source current and generates multiple pulses from an AC power source. Additionally, it includes PWM generation circuitry that produces a first PWM signal with a frequency based on the DC value and a second PWM signal based on the frequency of the current source, ensuring that the first frequency is less than the second frequency. Another notable patent is for antenna systems designed for wireless communication in luminaires. This invention incorporates a light source within a luminaire housing and an aperture antenna that facilitates wireless signal transmission and reception, enhancing communication capabilities in lighting systems.

Career Highlights

Throughout his career, Chowdhury has worked with various companies, including Abl IP Holding LLC and Alb IP Holding LLC. His experience in these organizations has contributed to his expertise in developing cutting-edge technologies.

Collaborations

Chowdhury has collaborated with notable professionals in his field, including Feng Chen and Charles Jeffrey Spencer. These partnerships have likely fostered innovation and creativity in his projects.

Conclusion

Towfiq M Chowdhury stands out as a prominent inventor whose work in PWM systems and wireless communication continues to influence the industry. His innovative patents and collaborative efforts reflect his commitment to advancing technology.

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3 patents (CIPO):

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