Company Filing History:
Years Active: 2014-2017
Title: Innovations of Inventor Tina Shen
Introduction
Tina Shen is a prominent inventor based in Shanghai, China. She has made significant contributions to the field of electrical engineering, particularly in the development of advanced motor technologies. With a total of two patents to her name, her work showcases her innovative spirit and technical expertise.
Latest Patents
Tina Shen's latest patents include a brushless direct current motor and a driving apparatus for it. This invention relates to a driving apparatus that comprises at least three half-bridge circuits, each with two switches connected in series. These circuits are designed to supply voltage to a rotor coil terminal. The invention also features a zero crossing detection module that detects BEMF zero crossing in the rotor coils and provides an indication signal to a control module. This control module transmits information regarding the type of brushless direct current motor and generates pulse width modulation signals to control the switches of the half-bridge circuits. This driving apparatus is capable of driving multiple types of brushless direct current motors.
Another notable patent focuses on the efficient reduction of electromagnetic emission in a Local Interconnect Network (LIN) driver circuit. This circuit employs a charging and discharging current applied to the gate of a driver transistor coupled to an LIN bus. The design includes a constant charging current and an additional soft charging current, as well as a constant discharging current and an additional soft discharging current. The incorporation of these soft charge and discharge components leads to a significant reduction in electromagnetic emissions on the LIN bus.
Career Highlights
Tina Shen has worked with notable companies such as STMicroelectronics R&D (Shanghai) Co. Ltd. and Robert Bosch GmbH. Her experience in these organizations has allowed her to hone her skills and contribute to various innovative projects in the field of electrical engineering.
Collaborations
Some of her coworkers include Anderson Yin and Yi Sun. Their collaboration has likely contributed to the success of her projects and patents.
Conclusion
Tina Shen is an accomplished inventor whose work in brushless direct current motors and LIN driver circuits demonstrates her innovative capabilities. Her contributions to the field continue to influence advancements in electrical engineering.