Glenn J Keller

Title: Glenn J Keller: Innovator in Optical Disk Technology

Introduction

Glenn J Keller is a notable inventor based in Los Gatos, California. He has made significant contributions to the field of optical disk technology, holding a total of 3 patents. His work focuses on enhancing the security and functionality of optical disks, which are widely used for data storage and media playback.

Latest Patents

Keller's latest patents include an innovative optical disk with copy protection. This invention encompasses an apparatus and method for creating a copy-protected optical disk format. It also includes an optical disk recording apparatus designed to create disks with such formats, as well as an optical disk reading apparatus that can determine the authenticity of these disks. One aspect of his invention involves data bit indications along a spiral centerline of the disk, which define a radial wobble with greater energy at a predefined frequency. Another aspect addresses the variations in channel clock frequencies across the disk, ensuring that unauthorized copies can be identified.

Career Highlights

Throughout his career, Glenn J Keller has worked with several companies, including Cagent Technologies, Inc. and Epyx, Inc. His experience in these organizations has contributed to his expertise in audio channel systems and optical disk technologies.

Collaborations

Keller has collaborated with notable individuals in the industry, including Hedley C Davis and Craig A Nelson. Their combined efforts have further advanced the development of innovative technologies in the field.

Conclusion

Glenn J Keller's contributions to optical disk technology and audio systems have made a lasting impact on the industry. His patents reflect a commitment to innovation and security in data storage solutions.