Tatsuya Okamoto

Title: Tatsuya Okamoto: Innovator in Navigation Technology

Introduction

Tatsuya Okamoto is a notable inventor based in Kawagoe, Japan. He has made significant contributions to the field of navigation technology, holding a total of six patents. His work focuses on improving the accuracy and reliability of navigation systems, particularly in vehicles.

Latest Patents

One of Okamoto's latest patents is a correction device for correcting acceleration data, which includes a method, program, and recording medium containing the program. This device calculates real acceleration based on outputs from a velocity sensor and GPS signals. It detects frequency changes in radio waves due to the Doppler effect, allowing it to acquire horizontal and vertical velocity components. The device then calculates a gradient angle and determines the gravitational acceleration sine of that angle. By combining real acceleration with this gravitational component, the device provides a theoretical acceleration for the acceleration sensor. This innovative approach enables the device to obtain accurate offset values even while the mobile body is in motion.

Another significant patent involves a method and apparatus for detecting vehicle speed pulse drops in an on-vehicle navigation system. This system utilizes a radio wave positioning apparatus and a vehicle speed sensor for dead reckoning positioning. The method calculates physical quantities from both the radio wave positioning data and the vehicle speed pulse, detecting any discrepancies to identify speed pulse drops.

Career Highlights

Throughout his career, Tatsuya Okamoto has worked with prominent companies such as Pioneer Corporation and Pioneer Electronic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in navigation technology.

Collaborations

Okamoto has collaborated with notable colleagues, including Hitoshi Kaneko and Motoki Ishiguro. Their combined expertise has contributed to the advancement of the technologies they have worked on together.

Conclusion

Tatsuya Okamoto is a distinguished inventor whose work in navigation technology has led to several important patents. His innovative approaches to correcting acceleration data and detecting vehicle speed pulse drops have significantly enhanced the reliability of navigation systems. His contributions continue to impact the field positively.