Company Filing History:

11 out of 20,290

Motorola Corporation

patents

7 out of 13

Pico Mobile Networks, Inc.

patents

4 out of 1,360

Omnivision Technologies, Inc.

patents

4. 3 out of 5,162

Marvell International Limited

patents

Years Active: 1997-2021

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25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11082566 - Multiple camera calibration chart (2021-08-03),

2. 10957186 - Reducing false alarms in surveillance systems (2021-03-23),

3. 10841558 - Aligning two images by matching their feature points (2020-11-17),

4. 10360662 - Alignment of multiple camera images by matching projected one dimensional image profiles (2019-07-23),

5. 9332485 - Method and integrated circuit for discovering peers in a peer-to-peer network (2016-05-03),

6. 8937963 - Integrated adaptive jitter buffer (2015-01-20),

7. 8918051 - Method and apparatus for performing a handoff of a data communication session from one network to another network (2014-12-23),

8. 8825016 - Active phone book enhancements (2014-09-02),

9. 8428079 - Systems and methods for discovering a wireless network in a peer-to-peer network (2013-04-23),

10. 8374584 - Active phone book enhancements (2013-02-12),

11. 8279884 - Integrated adaptive jitter buffer (2012-10-02),

12. 7970384 - Active phone book enhancements (2011-06-28),

13. 7961756 - Integrated multimedia system (2011-06-14),

14. 7889686 - Seamless switching of media streams between different networks (2011-02-15),

15. 7266780 - Method for combining deterministic and non-deterministic user interaction data input models (2007-09-04),

Title: Innovations of Lu Chang: Pioneering Advances in Surveillance and Calibration Systems

Introduction

Lu Chang, based in Cupertino, CA, is an accomplished inventor with an impressive portfolio of 25 patents. His work primarily focuses on innovations that enhance surveillance systems and improve calibration techniques for imaging technologies.

Latest Patents

Among Lu's latest inventions is a Multiple Camera Calibration Chart, designed to calibrate systems of multiple cameras effectively. This chart features a background with an array of dots formatted in rows and columns. The innovative design includes two different dot arrays that occupy designated regions, helping ensure precise calibration. Another significant patent addresses the challenge of reducing false alarms in surveillance systems. This invention integrates an infrared sensor system, an audio recording system, and an image sensor system, all managed by a controller that facilitates accurate response activation.

Career Highlights

Lu Chang has had a notable career, working with prominent companies in the technology sector. He has gained valuable experience at Motorola Corporation and Pico Mobile Networks, Inc. Throughout his career, his inventive contributions have significantly influenced the development of modern surveillance technology and image calibration methods.

Collaborations

In his journey as an inventor, Lu has collaborated with accomplished professionals, including Paul Aerick Lambert and Jian-Cheng Huang. These partnerships have undoubtedly enriched his work and have played a role in the successful development of various technological advancements.

Conclusion

Lu Chang's dedication to innovation is evident through his remarkable achievements and contributions to the fields of surveillance and imaging technology. With a strong foundation in collaboration and a focus on pivotal advancements, Lu continues to be a driving force behind significant breakthroughs that benefit various industries.

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