Besancon, France

Jean-Francois Dufay


Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 28(Granted Patents)


Company Filing History:

goldMedal1 out of 832,812 
Other
 patents

Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: **Jean-Francois Dufay: Innovator of Quartz Analog Timepiece Technology**

Introduction

Jean-Francois Dufay, an inventive mind from Besancon, France, has made a notable contribution to horology with his innovative patent in the field of timekeeping technology. With one patent to his name, Dufay has developed a pioneering electronic time-setting mechanism that enhances the functionality of quartz analog watches.

Latest Patents

Dufay's patent, titled "Electronic time setting for a quartz analog watch," introduces an electronic analog timepiece equipped with advanced time zone and time-setting modes. This invention utilizes a high-speed stepping motor controlled by the crown's rotation and axial movements, allowing for precise time corrections. The stepping motor generates high-frequency signals, which enable the timepiece hands to accurately adjust in response to user inputs. The design features a deceleration ramp that gradually reduces the motor's speed to ensure smooth stopping after time correction.

Career Highlights

Throughout his career, Jean-Francois Dufay has exhibited a strong commitment to the field of electronics and timekeeping. His invention addresses common challenges in traditional quartz watches, such as manual time setting and time zone adjustments. By creating a mechanism that allows for both slow and high-speed corrections, he has improved user experience and functionality in modern timepieces.

Collaborations

Dufay has worked alongside esteemed colleagues Jean P Chambon and Paul Grand Chavin, contributing to the sharing of innovative ideas and enhancing the development of new technologies in timekeeping. Their collaboration has fostered an environment of creativity and technical advancement in their respective projects.

Conclusion

Jean-Francois Dufay's contribution to the quartz analog watch industry exemplifies the spirit of innovation. His patent not only showcases his engineering ingenuity but also paves the way for future advancements in timepiece technology. As the watch industry continues to evolve, Dufay's work serves as a testament to the impact of inventors and their ability to create solutions that improve everyday life.

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