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Title: Motoaki Hara: Innovator in Time Synchronization and Atomic Resonators
Introduction
Motoaki Hara is a distinguished inventor based in Tokyo, Japan. He holds a total of 3 patents that showcase his expertise in advanced technologies. His work primarily focuses on time synchronization devices and atomic resonators, contributing significantly to the fields of communication and precision measurement.
Latest Patents
Hara's latest patents include a time synchronization device and an atomic resonator. The time synchronization device features a node that includes a communication module for recovering a clock signal from another node, a high-precision clock module, and several comparison modules for phase and frequency. Additionally, it has a time estimation section, a counter value correction section, a fractional PLL, and a division ratio correction section. This innovative design enhances the accuracy of time synchronization across networks.
The atomic resonator patent describes a device that utilizes coherent population trapping (CPT) resonance. It consists of a gas cell containing alkali metal atoms, a photodetector for converting light into an electric signal, and a high-frequency oscillator that processes this signal. The device also includes a laser light source that modulates light based on the output from the high-frequency oscillator. Notably, the high-frequency oscillator incorporates an injection-locked frequency divider circuit with an acoustic resonator as its oscillation element.
Career Highlights
Throughout his career, Motoaki Hara has worked with notable institutions such as the National Institute of Information and Communications Technology and the Tokyo Institute of Technology. His contributions to these organizations have been instrumental in advancing research and development in his areas of expertise.
Collaborations
Hara has collaborated with esteemed colleagues, including Yuichiro Yano and Tetsuya Ido. These partnerships have fostered innovation and have led to significant advancements in their respective fields.
Conclusion
Motoaki Hara's contributions to the fields of time synchronization and atomic resonators highlight his role as a leading inventor. His patents reflect a commitment to innovation and precision in technology.