John L Fan

Title: The Innovations of John L. Fan

Introduction

John L. Fan is a prominent inventor based in Palo Alto, California. He has made significant contributions to the field of optical disc technology, holding a total of five patents. His work focuses on methods and systems for reading and writing multilevel signals from optical discs, showcasing his expertise in this specialized area.

Latest Patents

One of John L. Fan's latest patents is a method and apparatus for reading and writing a multilevel signal from an optical disc. This innovative system includes reading a raw analog data signal from a disc using an optical detector and adjusting the amplitude of the raw analog data signal. Additionally, a timing signal is recovered from the amplitude-adjusted analog data signal, allowing for corrections to be made for amplitude modulation of the raw analog data signal by processing both the raw analog data signal and the timing signal.

Career Highlights

Throughout his career, John L. Fan has worked with notable companies such as Calimetrics, Inc. and Iospan Wireless, Inc. His experience in these organizations has contributed to his development as a leading inventor in his field.

Collaborations

Some of his notable coworkers include David C. Lee and Yung-Cheng Lo. Their collaborations have likely played a role in advancing the technologies associated with optical disc systems.

Conclusion

John L. Fan's contributions to optical disc technology through his patents and collaborations highlight his innovative spirit and dedication to advancing this field. His work continues to influence the way data is read and written on optical media.