Patrick Douziech

Title: The Innovations of Patrick Douziech

Introduction

Patrick Douziech is an accomplished inventor based in Cessy, France. He holds two patents that showcase his expertise in the field of electronics and signal processing. His work has significantly contributed to advancements in television technology and filter tuning methods.

Latest Patents

One of Douziech's latest patents is an "Apparatus and method for tuning a filter." This invention involves an apparatus that allows for the tuning of a filter with oscillator alignment, particularly useful in applications such as terrestrial and cable TV broadcasting, which operates within a frequency range of 40 to 860 MHz. The method includes generating a filter tuning modulation signal and measuring output values at two different frequencies to adjust the filter accordingly.

Another notable patent is the "Television vertical timebase circuit." This invention features a circuit that generates a vertical ramp voltage with slopes corresponding to different aspect ratios, specifically 4:3 and 16:9. The design ensures that unwanted visible signals are positioned outside the visible screen area when displaying images in the 16:9 aspect ratio.

Career Highlights

Throughout his career, Patrick Douziech has worked with prominent companies in the technology sector, including Freescale Semiconductor and Motorola Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex challenges in electronics.

Collaborations

Douziech has collaborated with various professionals in his field, including John Avis Shepherd, enhancing his projects through shared expertise and insights.

Conclusion

Patrick Douziech's contributions to the field of electronics through his patents and career experiences highlight his role as a significant innovator. His work continues to influence advancements in television technology and filter tuning methods.