Mr. Tatsuya Kumagai Profile

Tatsuya Kumagai

at Hitachi Cable Ltd

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 17 May 2011 Paper

Fiber-optic intrusion detection sensor for physical security system

Tatsuya Kumagai, Shinobu Sato, Wataru Ohnuki, Teruyuki Nakamura

Proceedings Volume 7753, 775331 (2011) https://doi.org/10.1117/12.883338

KEYWORDS: Sensors, Fiber optics sensors, Computer intrusion detection, Fiber optics, Signal processing, Information security, Optical fibers, Reliability, Cameras, Environmental sensing

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Proceedings Article | 1 September 1999 Paper

Industrial applications of FOG

Tatsuya Kumagai

Proceedings Volume 3746, 374637 (1999) https://doi.org/10.1117/12.2302105

KEYWORDS: Fiber optic gyroscopes, Navigation systems, Gyroscopes, Sensors, Agriculture, Telecommunications, Analog electronics, Control systems, Modulation, Fiber optics

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Proceedings Article | 12 November 1996 Paper

Commercial applications of mass-produced fiber optic gyros

Hiroshi Kajioka, Tatsuya Kumagai, Hisanori Nakai, Takumoto Dohsho, Hirokazu Soekawa, Toshiya Yuhara

Proceedings Volume 2837, (1996) https://doi.org/10.1117/12.258177

KEYWORDS: Fiber optic gyroscopes, Navigation systems, Gyroscopes, Agriculture, Telecommunications, Control systems, Fiber optics, Signal detection, Analog electronics, Fiber optics sensors

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Proceedings Article | 4 January 1995 Paper

Development of fiber optic gyroscopes for industrial and consumer applications

Yukio Ikeda, Toshiya Yuhara, Tatsuya Kumagai, Hirokazu Soekawa, Hiroshi Kajioka

Proceedings Volume 2349, (1995) https://doi.org/10.1117/12.198700

KEYWORDS: Fiber optic gyroscopes, Navigation systems, Gyroscopes, Fiber optics, Sensors, Interferometry, Signal processing, Telecommunications, Fiber optics sensors, Motion measurement

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Proceedings Article | 9 March 1994 Paper

Fiber optic gyroscope for automobiles utilizing integrated optical gyrochip and elliptical core polarization maintaining optical fiber

Toshiya Yuhara, Tatsuya Kumagai, Hisao Iizuka, Hiroshi Kajioka, Naoyuki Mekada

Proceedings Volume 2070, (1994) https://doi.org/10.1117/12.169907

KEYWORDS: Fiber optic gyroscopes, Integrated optics, Navigation systems, Electronics, Gyroscopes, Temperature metrology, Fiber optics, Control systems, Polarization maintaining fibers, Analog electronics

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Proceedings Article | 9 March 1994 Paper

Fiber optic gyroscopes for vehicle navigation systems

Tatsuya Kumagai, Hirokazu Soekawa, Toshiya Yuhara, Hiroshi Kajioka, Shigeru Oho, Hisao Sonobe

Proceedings Volume 2070, (1994) https://doi.org/10.1117/12.169899

KEYWORDS: Fiber optic gyroscopes, Navigation systems, Gyroscopes, Sensors, Fiber lasers, Semiconductor lasers, Temperature metrology, Electronics, Fiber optics, Laser optics

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Proceedings Article | 5 March 1993 Paper

Development of an optical gyrocompass using a high-sensitivity fiber optic gyroscope

Tatsuya Kumagai, Norihiro Ashizuka, Hisanori Nakai, Hiroshi Kajioka

Proceedings Volume 1795, (1993) https://doi.org/10.1117/12.141235

KEYWORDS: Fiber optic gyroscopes, Sensors, Fiber optics sensors, Fiber optics, Fiber lasers, Laser optics, Gyroscopes, Infrared sensors, Polarizers, Prototyping

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Proceedings Article | 5 March 1993 Paper

Development of open-loop fiber optic gyroscopes for industrial and consumer use

Tatsuya Kumagai, Hiroshi Kajioka, Shigeru Oho, Hisao Sonobe

Proceedings Volume 1795, (1993) https://doi.org/10.1117/12.141232

KEYWORDS: Fiber optic gyroscopes, Sensors, Temperature metrology, Semiconductor lasers, Fiber optics sensors, Signal processing, Laser optics, Phase modulation, Fiber optics, Fiber lasers

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Proceedings Article | 1 February 1992 Paper

Fiber optic gyro productization at Hitachi (Invited Paper)

Hiroshi Kajioka, Tatsuya Kumagai, Hisanori Nakai, Hisao Iizuka, Masashi Nakamura, Koodo Yamada

Proceedings Volume 1585, (1992) https://doi.org/10.1117/12.135032

KEYWORDS: Fiber optic gyroscopes, Navigation systems, Phase modulation, Polarization, Fiber optic components, Sensors, Gyroscopes, Robotic systems, Robots, Analytical research

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Proceedings Article | 1 February 1992 Paper

Signal processing schemes for open-loop optical fiber gyroscopes

Shigeru Oho, Hisao Sonobe, Takao Sasayama, Hiroshi Kajioka, Tatsuya Kumagai

Proceedings Volume 1585, (1992) https://doi.org/10.1117/12.135051

KEYWORDS: Gyroscopes, Signal processing, Modulation, Electronics, Phase shifts, Phase shift keying, Optical fibers, Digital signal processing, Detection theory, Signal detection

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Showing 5 of 10 publications

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