Mary-Ann Ionascu

Title: Mary-Ann Ionascu: Innovator in Battery Charging Technologies

Introduction

Mary-Ann Ionascu, an accomplished inventor based in Cupertino, CA, has made significant contributions to the field of battery technology through her innovative patents. With a total of two patents to her name, she has demonstrated her expertise in developing solutions aimed at enhancing the efficiency and functionality of electronic devices, particularly wireless headphones.

Latest Patents

Mary-Ann's latest inventions include:

1. **Closed Loop Headroom Management for Battery Charging**: This electronic system includes a charged system and a charging system. The charged system consists of a charger and a battery, which is designed to be charged efficiently. The charger receives power from a power converter, which is controlled by a feedback system that adjusts the output voltage to maintain a preselected headroom between the target charging voltage and the delivered voltage.

2. **Battery Charging Control for Wireless Headphones**: This innovative method enhances the charging process of wireless headphone devices. It estimates a usage time value for the anticipated use of the headphones, allowing for the precise timing of charging sessions. The device's battery is charged to a predetermined state, with features that allow it to enter a deactivated mode and be activated based on the estimated resume time.

Career Highlights

Mary-Ann Ionascu is currently an inventor at Apple Inc., where she utilizes her knowledge and skills to push the boundaries of battery technology. Her contributions have been vital in creating advanced charging systems that enhance user experience and device performance.

Collaborations

Throughout her career, Mary-Ann has collaborated with notable colleagues such as Antonio R De Lima Fernandes and Kartik R Venkatraman. These partnerships reflect her ability to work effectively in a team-oriented environment, driving innovation together with fellow experts.

Conclusion

Mary-Ann Ionascu's dedication to innovation in battery charging technologies underscores her role as a leading inventor in the field. Her patents not only illustrate her expertise but also contribute to the advancement of electronic devices, paving the way for a more efficient and convenient user experience. As technology continues to evolve, the impact of her work will undoubtedly be felt in countless applications.