Philippe Sirito-Olivier

Title: The Innovative Contributions of Philippe Sirito-Olivier

Introduction

Philippe Sirito-Olivier is a notable inventor based in Grenoble, France. He has made significant contributions to the field of electronics, particularly in the development of control circuits and oscillators. With a total of 3 patents to his name, Sirito-Olivier continues to push the boundaries of innovation in his industry.

Latest Patents

One of his latest inventions is the "Bias Source Control Circuit." This invention relates to a control circuit for a bias source that includes a stand-by device and a starting-aid device. The respective outputs of these devices are connected to a control input of the bias source. The starting-aid device features a switch that inhibits its operation, which is controlled by the bias source. The circuit also includes capacitive means for reactivating the starting-aid device when the "Stand-by" control signal changes state, indicating that the bias source should be reactivated.

Another significant patent is the "Quartz Crystal Oscillator Frequency Modulation Circuit." This invention pertains to a voltage-controlled quartz crystal oscillator that includes an oscillation transistor. The base of the transistor is connected to a first terminal of a quartz crystal, while the emitter is connected, via a first capacitor, to a second terminal of the quartz crystal linked to a first supply terminal. The circuit introduces a variable capacitance between the base and the emitter of the oscillation transistor, with the active circuit being voltage-controlled.

Career Highlights

Philippe Sirito-Olivier is currently employed at Sgs-Thomson Microelectronics S.A. His work at this company has allowed him to develop and refine his innovative ideas, contributing to advancements in electronic components and systems.

Collaborations

Throughout his career, Sirito-Olivier has collaborated with notable colleagues, including Colette Morche and Bernard Majoux. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Philippe Sirito-Olivier's contributions to the field of electronics through his patents and collaborations highlight his role as an influential inventor. His work continues to inspire innovation and advancement in technology.