Ehsan Khajeh

Title: Ehsan Khajeh: Innovator in Acoustic Technologies

Introduction

Ehsan Khajeh, based in San Jose, CA, is a renowned inventor with an impressive portfolio of 30 patents. His groundbreaking work primarily focuses on enhancing acoustic technologies, particularly in the fields of touch sensing and fingerprint imaging. Ehsan's innovative approaches have contributed significantly to the advancement of these technologies, making them more effective and reliable.

Latest Patents

Ehsan Khajeh's latest patents include innovative methods for geometric structures aimed at acoustic impedance matching, as well as advancements in touch sensing and fingerprint imaging. His work highlights the importance of minimizing acoustic impedance mismatches between ultrasonic transducer arrays and sensing plates. By employing a composite epoxy with a higher acoustic impedance, incorporating matching layers, and utilizing pores or geometric structures in the sensing plate, Ehsan maximizes energy transfer while reducing parasitic reflections. Additionally, he introduces an absorbent layer to suppress these reflections further.

Another significant patent involves a differential acoustic touch and force sensing system that can accurately detect both the position and the force applied by an object on a surface. Using time-of-flight techniques and piezoelectric transducers, this system transmits ultrasonic waves, effectively determining the object's location and the force exerted, even in wet conditions.

Career Highlights

Throughout his career, Ehsan has played crucial roles in several leading tech companies, notably Apple Inc. He has been instrumental in developing solutions that enhance user experience through advanced acoustic technologies, showcasing his innovative spirit and technical expertise.

Collaborations

Ehsan Khajeh has collaborated with talented professionals, including Brian Michael King and Marcus Yip. These partnerships have further advanced their collective work on acoustic technology, leading to more effective and innovative solutions in the industry.

Conclusion

Ehsan Khajeh stands out as a significant figure in the realm of acoustic technology innovations. His patents reflect a deep understanding of the challenges in touch sensing and fingerprint imaging, allowing him to devise practical solutions that push the boundaries of technology. As he continues to innovate, Ehsan's contributions will undoubtedly influence future developments in this critical area.