Location History:
- Freemont, CA (US) (2010)
- Newark, CA (US) (2012)
Company Filing History:
Years Active: 2010-2012
Title: Xu Duan Lin: Innovator in Digital Television Technology
Introduction
Xu Duan Lin is a notable inventor based in Newark, California, recognized for his contributions to digital television technology. He holds two patents that showcase his innovative approach to enhancing the viewer's experience in digital media.
Latest Patents
Xu Duan Lin's latest patents include a "Packet timing method and apparatus of a receiver system for controlling digital TV program start time." This invention focuses on a system for the delivery of video on demand (VOD). It features a wireless remote control device that generates keystroke signals for controlling a TV display, allowing users to restart a selected program at the beginning with a single button. The head-end unit supports separate downstream virtual channels for each TV set connected to a common feeder cable. It locally records and stores multiple programs, transmitting each using a compressed digital format, such as MPEG-2 or MPEG-4, while also incorporating measures to protect against signal theft.
Another significant patent is the "Conditional access method and apparatus of a receiver system for controlling digital TV program start time." This invention provides a conditional access method for authorizing subscriber access to digital program streams. It divides content into several working periods, each scrambled with a different working key, which is delivered ahead of the respective period. The working key is synchronized with scrambling control bits in a header, and the entitlement control message (ECM) packet is encrypted using a service key, ensuring secure access to content.
Career Highlights
Throughout his career, Xu Duan Lin has worked with prominent companies in the technology sector, including Goback TV, Inc. and Aurora Networks, Inc. His work has significantly impacted the development of digital television systems and video on demand services.
Collaborations
Xu Duan Lin has collaborated with notable figures in the industry, including Paul Baran and John Pickens. These collaborations have contributed to the advancement of technology in digital media.
Conclusion
Xu Duan Lin's innovative patents and career achievements highlight his significant contributions to the field of digital television technology. His work continues to influence the way viewers access and enjoy digital content.