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Dive into the research topics where Takao Soma is active.

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Featured researches published by Takao Soma.


Japanese Journal of Applied Physics | 2001

Finite Element Method Simulation of Double-T Type Vibrators for Flatly Supported Piezoelectric Vibratory Gyro-Sensor.

Takayuki Kikuchi; Yoshiro Tomikawa; Takao Soma

In this study we deal with a flexural vibrating resonator for flatly supported vibratory gyro-sensors in parallel with the rotating plane. This type of gyro-sensor uses two vibration modes in only one plane of single crystal quartz, and therefore can be constructed to be very stable under operating conditions. The double-T type vibrator that has two T-type resonating arms and two resonant arms is designed for improving the quality factor Q of both driving and detecting vibration modes for this vibratory gyro-sensor. The result of finite element analysis of the double-T type vibrators shows the small influence of its vibration mode with the support at the center of gravity of the vibrator.


Archive | 1997

Vibrator, vibratory gyroscope, and vibration adjusting method

Takayuki Kikuchi; Shosaku Gouji; Yukihisa Osugi; Takao Soma


Archive | 1998

Vibrators, vibratory gyroscopes, devices for measuring a linear acceleration and a method of measuring a turning angular rate

Takayuki Kikuchi; Shosaku Gouji; Yukihisa Osugi; Takao Soma


Archive | 1998

VIBRATOR, VIBRATION GYROSCOPE, LINEAR ACCELERATOR, AND METHOD FOR MEASURING ROTARY ANGULAR VELOCITY

Shosaku Gouji; Takayuki Kikuchi; Yukihisa Osugi; Takao Soma; 幸久 大杉; 隆雄 相馬; 菊池 尊行; 庄作 郷治


Japanese Journal of Applied Physics | 1974

Structure determination of boron nitride transformed by shock compression

Akira Sawaoka; Takao Soma; Shinroku Saito


Archive | 1998

Vibrator, vibratory gyroscope, and linear accelerometer

Takayuki Kikuchi; Shosaku Gouji; Yukihisa Osugi; Takao Soma


Archive | 1999

Vibrators vibratory gyroscopes a method of detecting a turning angular rate and a linear accelerometer

Takayuki Kikuchi; Shosaku Gouji; Yukihisa Osugi; Takao Soma


Archive | 2000

Vibratory gyroscope, vibrator used in this gyroscope, method for analyzing vibration of the vibrator, method for supporting the vibrator, and method for manufacturing the vibratory gyroscope

Takayuki Kikuchi; Shosaku Gouji; Yukihisa Osugi; Takao Soma; Yuji Fujiwara


Archive | 1999

Oscillator and oscillation type gyroscope and method for measuring rotational angular velocity

Shiyousaku Gouji; Takayuki Kikuchi; Yukihisa Osugi; Takao Soma; 幸久 大杉; 隆雄 相馬; 菊池 尊行; 庄作 郷治


Archive | 1998

Vibration type gyroscope, vibrator used for the same, analysis method for vibration of vibrator, supporting method for vibrator, and manufacture of vibration type gyroscope

Shiyousaku Gouji; Takayuki Kikuchi; Yukihisa Osugi; Takao Soma; 幸久 大杉; 隆雄 相馬; 菊池 尊行; 庄作 郷治

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Shinroku Saito

Tokyo Institute of Technology

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Akira Sawaoka

Tokyo Institute of Technology

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