Tatsuro Shimizu

Title: Innovations of Tatsuro Shimizu: A Pioneer in Light Emitting and Image Sensor Technologies

Introduction: Tatsuro Shimizu, an accomplished inventor based in Kyoto, Japan, has made significant contributions to the fields of light emitting and image sensor technologies. With a total of 11 patents to his name, Shimizu has demonstrated a remarkable ability to innovate and drive advancements in electronic devices.

Latest Patents: Among his latest inventions is a **Control Circuit of Light Emitting and Receiving Device**, which includes a light emitting element, a first light receiving element, and a second light receiving element. This device incorporates a reference signal generator that produces a reference signal with a predetermined frequency. The innovative drive circuit ensures that the feedback signal from the first light receiving element aligns with the reference signal. Furthermore, a correlation detector enhances the device's functionality by detecting the output of the second light receiving element in relation to the reference frequency.

Another noteworthy patent is the **Actuator Driver**, which is critical for image sensors. This invention features a pixel array, a lens for incident light, and an actuator containing a coil that allows for lens positioning based on a driving signal. Moreover, a position detection coil, which magnetically couples with the actuator coil, helps convey the lens’s position accurately. The actuator driver then processes this information, ensuring precise operation through a position detection circuit that generates feedback based on induced electromotive forces.

Career Highlights: Throughout his impressive career, Tatsuro Shimizu has worked with prominent companies such as Rohm Co., Ltd. and Sony Semiconductor Solutions Corporation. His roles in these companies have provided him with opportunities to hone his skills and contribute to groundbreaking technologies.

Collaborations: Shimizu's journey has included fruitful collaborations with talented individuals, including his coworkers Hiroyuki Ishii and Nobuo Komura. These partnerships have been instrumental in fostering a creative environment where innovation can thrive.

Conclusion: Tatsuro Shimizu's contributions to technology, particularly in the realm of light emitting devices and image sensors, showcase his dedication to innovation and excellence. With his impressive track record of patents and collaboration with leading companies and colleagues, he continues to pave the way for future advancements in electronic technology.