Ken Ohsima

Title: **Innovator Ken Ohsima: Advancements in Optical Technologies**

Introduction

Ken Ohsima, an accomplished inventor hailing from Hachioji, Japan, has made significant contributions to the field of optical technologies. With a total of four patents to his name, Ohsima's work demonstrates a commitment to innovation, particularly within the realms of optical devices and signal detection.

Latest Patents

Ohsima's latest patents reflect his innovative approach and technical expertise. One notable invention is an **optical recording/reproducing device**, which features an optical pickup located beneath an optical disk. This device utilizes a semiconductor laser that emits a laser beam through an objective lens. The lens can shift direction by a magnetic force from a tracking actuator, ensuring precise lens tracking. Mounted on a carriage that shifts along the radial direction of the optical disk via a voice coil motor, this device enhances track access capabilities. Upon receiving an access command, the system enters a velocity control mode, regulating the shift velocity of the carriage according to the distance from the target track. This adaptive technology helps fine-tune both location and velocity control, offering an efficient method for accessing data on optical disks.

Another noteworthy patent is an **apparatus for detecting input signals**, designed to handle input signals with fluctuating base lines. This invention compares the input signal against variable reference levels that adjust according to baseline fluctuations. By sampling the signal at a variable rate and deriving an average over a predetermined period, the system produces a profile signal that accurately reflects the baseline's fluctuations. This innovative approach enables robust signal detection and restoration, a valuable advancement in the field.

Career Highlights

Ken Ohsima currently works at Olympus Optical Company, Ltd., where he continues to contribute to technological advancements in optics. His career is marked by significant achievements and a deep understanding of optical mechanics and signal processing. Throughout his tenure at the company, Ohsima has consistently pushed the boundaries of innovation, leading to developments that enhance the functionality of optical devices.

Collaborations

In his journey of innovation, Ohsima has collaborated with talented coworkers, including Kiichi Kato and Masaharu Sakamoto. These collaborations have fostered an environment of creativity and technical exploration, allowing them to combine their expertise to develop cutting-edge technologies.

Conclusion

Ken Ohsima's pioneering work in optical technologies stands as a testament to his dedication as an inventor. With multiple patents and valuable contributions to Olympus Optical Company, he continues to make strides in innovation. His inventions not only advance optical devices but also significantly improve the ways in which we interact with and utilize technology.