Canon Kabushiki Kaisha

Ricoh Company, Ltd.

Kabushiki Kaisha Toshiba

Sony Corporation

Oki Electric Industry Co., Ltd.

Hitachi, Ltd.

Olympus Corporation

Victor Company of Japan, Limited

Lapis Semiconductor Co., Ltd.

Asahi Glass Company, Limited

Japan Science and Technology Agency

Olympus Imaging Corporation

National Institute of Advanced Industrial Science and Technology

Toshiba Electronic Devices & Storage Corporation

The University of Tokyo

Koji Suzuki

Naoki Iwata

Shigekazu Enoki

Yuichi Ueno

Kouki Kuroda

Kazuo Takahashi

Teruo Inaguma

Yoshiaki Takayanagi

Nao Nagashima

Eiji Nakashio

Tadashi Ishikawa

Junichi Honda

Shin Sasaki

Kazuyoshi Takahashi

Masahiko Yamamoto

Kunio Yoshihara

Koji Takahashi

Yuji Takahashi

Akira Sawada

Yoshitaka Naito

Yoshikazu Yokomizo

Minoru Saito

Noriyuki Kitamura

Hiroyuki Maehara

Shiro Maruyama

Tadashi Koshizuka

Katsuichi Shimizu

Minoru Ikeda

Takatsugu Fujishiro

Shunichi Masuda

Katsuhiro Aoki

Hatsuo Tajima

Seishi Hanaoka

Haruhisa Miyake

Yasushi Koichi

Hajime Motoyama

Hironori Asai

Kumiko Hatakeyama

Masami Tomita

Hajime Oyama

Takashi Tamura

Nobuo Iwata

Hiroshi Mori

Shinji Kato

Atsushi Ikeda

Hiroaki Matsuda

Toshiyuki Kabata

Masahide Yamashita

Tadashi Kasai

Yutaka Yamada

Masahiro Yamazaki

Sadao Takahashi

Mitsuo Aoki

Yutaka Takahashi

Hiroshi Yamada

Kazuhisa Sudo

Hiroshi Ogawa

Kimio Nakahata

Yumi Fukuda

Naoki Mori

Keiko Albessard

Shinichi Kuramoto

Kenji Tajima

Akihiro Itoh

Koichi Kato

Tsuneki Inuzuka

Tsuyoshi Watanabe

Atsushi Watakabe

Hideki Adachi

Naohito Shimota

Shinichi Namekata

Masato Hiramatsu

Koji Doi

Hiromitsu Takagaki

Masanori Miyata

Jun Yura

Seiji Sagara

Hiroyuki Miyake

Masahiro Tomosada

Yutaka Komiya

Jun Aoto

Hiroaki Tsuchiya

Masayuki Hirose

Chikara Imai

Yoshihiro Hayashi

Hajime Katayama

Toshiyuki Sekiya

Osamu Ariizumi

Yasuo Hirano

Yoshio Sugaya

Mitsuo Tanaka

Kenji Kurita

Masato Iyoki

Masayoshi Takahashi

Takayuki Koike

Kazuo Nojima

Norimasa Sohmiya

Kenji Kataoka

A motor controller includes a first control circuit, a second control circuit, a determination circuit, and a command circuit. The first control circuit outputs a first control value based on a rule base from a command value of an angular velocity and a measured value of an angular velocity. The second control circuit outputs a second control value based on a learned model from the command value of the angular velocity and the measured value of the angular velocity. The determination circuit determines a state based on at least the second control value. The command circuit acquires and outputs a control command value from the first control value and the second control value based on a result determined by the determination circuit.

Motor controller

A cell count determination device is configured to determine a cell count of a battery pack having installed therein a plurality of battery cells. The cell count determination device includes a plurality of switch elements provided in association with the plurality of battery cells, which can be increased or decreased in number in the battery pack. Each of the switch elements is configured to enter a conductive state if, while connected to the battery pack, a corresponding battery cell is present, and enter a non-conductive state if the corresponding battery cell is not present. The cell count determination device further includes a determination unit that is configured to determine the cell count of the connected battery pack on the basis of a combination of conductive states and non-conductive states among the plurality of switch elements.

Cell count determination device, charger, battery pack, and charging system

To provide a magnetic recording tape and the like that have excellent magnetic properties and exhibit a favorable SNR. There are provided a magnetic recording tape and the like including at least: a base layer that includes a long film having flexibility; and a magnetic layer formed on a side of one main surface of the base layer, in which an under layer and a seed layer are provided in the stated order from a side of the magnetic layer toward a side of the base layer between the magnetic layer and the base layer, the underlayer contains at least Co and Cr, and has an average atomic number ratio represented by the following formula (1): CoCr(where y is within a range of 37&#x2264;y&#x2264;45.), and the seed layer formed directly on the base layer has a film thickness of 5 nm or more and 30 nm or less, and contains Ti and O and has an average atomic number ratio represented by the following formula (2): TiO(where x&#x2264;10.) or contains Ti&#x2014;Cr&#x2014;O and has an average atomic number ratio represented by the following formula (3): (TiCr)O(where x&#x2264;10.).

Magnetic recording tape and magnetic recording tape cartridge

An image forming apparatus including an image forming portion, a heating portion, a discharging portion, a cooling portion, and a controller. A toner amount per predetermined sheet area of a toner image formed on a sheet is a toner image density. A first toner image does not have regions where the toner image density is a predetermined first density or more, and when the first toner image is formed on the sheet, the controller executes an operation in a first mode. A second toner image includes the region, and when the second toner image is formed on the sheet, the controller executes an operation in a second mode higher in cooling power than the first mode irrespective of a toner amount of the second toner image over entirety of the sheet.

Image forming apparatus having a cooling portion and a controller configured to operate the cooling portion in one mode of a plurality of modes

There is provided a series of coelenterazine (CTZ) derivatives as a substrate with high luminescence intensity, which is optimal for maximum luminescence wavelengths at both 400 nm (blue-shifted RLuc luminescence system) and 500 nm (ALuc luminescence system) for bioassays which is more sensitive than known techniques. The novel CTZ derivatives are compounds in which a specific position(s) of the CTZ is/are substituted with a specific substituent(s) as shown, for example, by the Formula [I], and has a higher luminescence intensity than known CTZ derivatives in blue-shifted RLuc luminescence system or ALuc luminescence system.

Coelenterazine compounds and uses thereof

A semiconductor device including: lines connected to lines between respective neighboring battery cells of plural battery cells connected in series; at each of the battery cells, a voltage detection portion that detects a battery voltage value of the battery cell based on a voltage provided by the lines connected to the high potential side of the battery cell and to the low potential side of the battery cell; and at each of the lines, a regulation portion that regulates current to make a first current and a second current cancel out, the first current being caused to flow in a first direction in the resistor element by the battery cell at the high potential side of the line, and the second current being caused to flow in a second direction in the resistor element by the battery cell at the low potential side of the line.

Semiconductor device and battery monitoring system

According to one embodiment, a magnetizing inrush current suppressing device is configured to measure a three-phase alternating current flowing from the power supply bus to the load, detect a first interruption phase as a phase of an electric current which is interrupted first among the three phases, detect a phase of a phase voltage zero point through which a phase voltage of the first interruption phase of the three-phase AC voltage passes when changing from the same polarity as that of an electric current immediately before interruption of the first interruption phase to an opposite polarity, and close the circuit-breaker at a phase within 60&#xb0; from the detected phase.

Magnetizing inrush current suppression device

A comparator circuit includes: a switching element that is disposed between a positive electrode of a battery cell and a fixed potential supply source, that has a control terminal connected to a negative electrode of the battery cell, and that operates in response to a voltage applied from the battery cell to the control terminal; a voltage regulating unit that is disposed between the battery cell and the switching element and that regulates the voltage applied from the battery cell to the switching element; and an output signal line that outputs a potential between the switching element and the fixed potential supply source.

Comparator circuit, semiconductor device, battery monitoring system, charging prohibition method, and computer-readable medium

According to one embodiment, a magnetizing inrush current suppressing device includes, a first closing unit closes the circuit-breaker at the notable phase by the first phase determined by the first-phase determination unit, a second-phase determination unit determines a second phase at which the notable phase detected by the notable phase detection unit from the three-phase AC voltage measured by the power-supply-side voltage measurement unit becomes a zero point after the first phase determined by the first-phase determination unit, and a second closing unit closes the circuit-breaker at two phases other than the notable phase by the second phase determined by the second-phase determination unit.

Magnetizing inrush current suppressing device

According to one embodiment, there is provided a magnetizing inrush current suppression device. A closing phase determination unit determines a phase position for suppressing the magnetizing inrush current among phase positions in which the prospective magnetic flux calculated by the prospective magnetic flux calculation unit and the residual magnetic flux calculated by the residual magnetic flux calculation unit coincide between the lines of the minimum residual magnetic flux determined by the minimum residual magnetic flux determination unit, as a closing phase position. A closing unit simultaneously closes the three phases of the circuit-breaker at the determined closing phase position.

Comparator circuit, semiconductor device, battery monitoring system, charging prohibition method, and computer-readable medium that detects battery voltages lower than a lowest operational power supply voltage

According to an embodiment of the invention, there is provided a switching power supply device including an integrated body and a plurality of external terminals. In the integrated body, a first switching element, a constant current element, and a diode are connected in series. The plurality of external terminals include a first external terminal connected to a main terminal of an element disposed on one end side of the integrated body and a second external terminal connected to a main terminal of an element disposed on another end side of the integrated body.

Switching power supply device, switching power supply circuit, and electrical equipment

A timer circuit is provided with a comparator CMP, a control unit and a comparator CMP. The comparator CMPcompares a potential of the capacitance element with the potential of a reference voltage VREF_H, and if the potential of the capacitance element reaches the potential of the reference voltage VREF_H, outputs a pre-specified time-up signal. The control unit performs control such that the potential of the capacitance element is higher than a potential of a reference voltage VREF_S, which is higher than the ground potential and lower than the potential of the reference voltage VREF_H. The comparator CMPcompares the potential of the capacitance element with the potential of the reference voltage VREF_S, and if the potential of the capacitance element is lower than the potential of the reference voltage VREF_S, outputs a short circuit detection signal indicating that a short circuit state of the capacitance element has been detected.

Timer circuit

According to one embodiment of the invention, there is provided a switching power supply device including a rectifying circuit and a switching operation conversion circuit. The rectifying circuit receives a phase-controlled alternating voltage to rectify to a direct voltage. The switching operation conversion circuit starts up by being applied with the direct voltage, and includes a normally on type switching element and an off driving circuit. The normally on type switching element passes an input current, and the off driving circuit turns off the switching element when the input current reaches a prescribed value. The switching operation conversion circuit converts the direct voltage to an output voltage different from the direct voltage by repeating a switching operation of turning on and off the switching element.

Switching power supply device, and adjustable power supply system including the same

A switching power supply includes a switching element, a constant current element, a rectifying element, a first inductor, a second inductor, and a control circuit. If the switching element is on, the switching element supplies a power supply voltage to the first inductor and feeds an electric current. The constant current element turns off the switching element if the electric current of the switching element exceeds a predetermined upper limit. The rectifying element feeds the electric current of the first inductor if the switching element is turned off. The second inductor supplies the induced potential to a control terminal of the switching element. The control circuit supplies a pulse-like potential to a control terminal of the constant current element and outputs if an average of the potential is lower than a lower limit.

Switching power supply, luminaire, and control method for the luminaire

Growing community of inventors

Yokohama, Japan

Koji Suzuki