Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Shotaro Sakurai"'
Autor:
Jing Li, Minh Tri Tran, Haruo Kobayashi, Yifei Sun, Shotaro Sakurai, Noriyuki Oiwa, Yasunori Kobori
Publikováno v:
2018 14th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT).
This paper proposes a new Power Factor Correction (PFC) converter with Electro-Magnetic Interference (EMI) noise reduction and improved efficiency using 500kHz clock. Using Schottky Barrier Diodes (SBDs) of Silicon Carbide (SiC), the efficiency is im
Autor:
Takashi Yokawa, Chieko Seike, Kozo Takayama, Shotaro Sakurai, Yoshiaki Machida, Yoshinori Onuki
Publikováno v:
Chemical and Pharmaceutical Bulletin. 63(6):457-462
A cream that contains menthol and diphenhydramine is widely prepared in hospital pharmacies and prescribed to patients for the treatment of pruritus associated with chronic kidney disease. However, there is a serious concern regarding its physical st
Autor:
Shotaro Sakurai, Ryoji Shiota, Haruo Kobayashi, Takashi Ida, Seiya Takigami, Nobukazu Tsukiji, Yuki Ozawa, Richen Jiang
Publikováno v:
ATS
This paper presents a time-to-digital converter (TDC) architecture with reduced hardware suitable for timing built-in self-test (BIST) / built-out self-test (BOST) implementation. In order to reduce the number of buffers and D Flip-Flops (DFFs) in a
Autor:
Takashi Ida, Haruo Kobayashi, Richen Jiang, Yuki Ozawa, Shotaro Sakurai, Ryoji Shiota, Rino Takahashi
Publikováno v:
ISPACS
This paper proposes a successive approximation register (SAR) time-to-digital converter (TDC) architecture capable of measuring the timing difference between two single-shot signals with full digital FPGA. The SAR TDC is suitable for multi-channel ti
Publikováno v:
ISPACS
This paper proposes an estimation method of the circuit component values in the power stage by fitting the power conversion efficiency curve of the step-down DC/DC power supply circuit with the measured values by using the theoretical loss equations.
Autor:
Seiya Takigami, Nobukazu Tsukiji, Yuki Ozawa, Ryoji Shiota, Takashi Ida, Yasunori Kobori, Shotaro Sakurai, Haruo Kobayashi
Publikováno v:
ISPACS
This paper describes a general equation of the input and output relation in N-stage configuration of a trigger circuit, which outputs a sine wave (or a cosine wave) with a zero phase at the timing when a trigger signal input is applied. Its conventio
Autor:
Ryoji Shiota, Takashi Ida, Yuki Ozawa, Haruo Kobayashi, Jiang Richen, Shotaro Sakurai, Hirotaka Arai, Nobukazu Tsukiji, Seiya Takigami
Publikováno v:
ISPACS
This paper describes three techniques for a high performance successive-approximation-register time-to-digital converter (SAR TDC) measuring the time difference between two timing signals. (1) Two-step SAR TDC configuration for fine time resolution a
Autor:
Kimiko, Matsuda, Koji, Kase, Koichiro, Hara, Yoshiyuki, Asai, Kuniya, Asai, Shotaro, Sakurai, Tetsuro, Yumoto, Kohzo, Takayama, Takehiko, Shuno
Publikováno v:
Seishin shinkeigaku zasshi = Psychiatria et neurologia Japonica. 117(10)
We retrospectively evaluated factors affecting the lifespan of schizophrenic patients, who are known to have a shorter life expectancy than healthy people, focusing on the relationship with QT prolongation associated with antipsychotics. In a total o
Publikováno v:
Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences). 35:18-23
The frequency of accidental falls in psychiatric patients is reported to be markedly higher (46.5%) than in patients in other medical departments (15.7%).In order to prevent accidental falls,we provided physicians and nurses with pharmaceutical infor
Autor:
Hiromitsu Kouno, Shigeru Yakou, Toru Asayama, Shotaro Sakurai, Yasunori Miyazaki, Chuji Yanagawa
Publikováno v:
Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences). 34:1077-1085
We compared the in vitro performance of brand-name and generic spherical carbon absorbents by studying their physicochemical and adsorptive properties.There was no correlation between specific surface area and adsorption rate for pigment substances.T