Taiyo Yuden Co., Ltd.

Mitsubishi Heavy Industries Limited

Panasonic Intellectual Property Corporation of America

Nec Corporation

Renesas Electronics Corporation

Victor Company of Japan, Limited

Hitachi Metals, Ltd.

Toyo Kogyo Co., Ltd.

Artemis Intelligent Power Limited

Masayuki Shimizu

Kenichiro Nogi

Kazuhisa Tsutsumi

Satoshi Kazama

Akihiro Hoshino

Masakazu Fujita

Naganori Shirakata

Koji Takinami

Takeshi Matsuo

Hirokazu Tohya

Takeshi Miki

Akira Fukushima

Daniil Sergeevich Dumnov

Kazuyuki Shibuya

Yasutoshi Matsuo

Daigo Watanabe

Masashi Sasaki

Uwe Stein

Hauke Karstens

Naoto Yokoyama

Atsushi Maekawa

Hidemi Iwao

Atsushi Yuge

Shiro Yoshida

Shin Nakayama

Iwao Fujikawa

Toshihide Noguchi

Yoshiyuki Motomiya

William Rampen

Wataru Hirayama

Shinichiro Mori

Shinji Kawabata

Haruhiko Hirano

Koji Taketomi

Hidekazu Ichinose

Kazuya Iwase

Takumi Takahashi

Katsuhiko Takeda

Hiromi Funahashi

Robert Fox

Venkata Pappala

Stephen Laird

Alasdair Robertson

Yasuhiro Korematsu

Noguchi Toshihide

Haruki Hitomi

Ichiro Nakayama

Tamotsu Kido

Tsuyoshi Mitsuboshi

Stephen Salter

Masahiro Fujisaka

Shashank Gupta

John Stevenson

Fergus Mcintyre

Toyotsugu Masuda

Hiroyasu Ochiai

Michiya Uchida

Osamu Uehara

A wireless communication apparatus includes a first antenna circuit that forms a beam selected from among a plurality of first beams through a beamforming process performed for communication using a millimeter wave band and a monitor that displays a first pattern indicating a radiation direction of the selected beam.

Wireless communication apparatus and display method for use in wireless communication apparatus

A semiconductor device capable of reducing power consumption is provided. A semiconductor device having a processor executing a plurality of tasks while switching the tasks in synchronization with a supplied operational clock signal includes: a processor-use-rate measuring unit configured to measure a use rate of the processor during a first term; and a frequency-dividing-value selecting circuit and a frequency dividing circuit configured to change a frequency of the operational clock signal supplied to the processor during a second term later than the first term on the basis of the use rate measured by the processor-use-rate measuring unit.

Semiconductor device and processor control method

A common mode choke coil according to one embodiment of the present invention includes a first coil conductor, a second coil conductor, and a third coil conductor. In the embodiment, the second coil conductor has a different shape than the first coil conductor and the third coil conductor. In the embodiment, the first coil conductor, the second coil conductor, and the third coil conductor extend parallel with each other in a first region in plan view as seen from an axial direction along the coil axis. In the embodiment, in the first region, when seen in a cross section cut along a plane including the coil axis, in an n-th turn, an arranging order of the first coil conductor, the second coil conductor, and the third coil conductor from an inner side in a radial direction thereof is inverted from that in an n+1th turn.

Common mode choke coil

One object is to reduce, in a common mode choke coil having three coil conductors, a deviation in stray capacities generated between the coil conductors. A common mode choke coil according to one embodiment of the present invention includes a first coil conductor, a second coil conductor, and a third coil conductor. In said embodiment, the first coil conductor, the second coil conductor, and the third coil conductor extend parallel with each other in a first region in plan view as seen from an axial direction along the coil axis. In said embodiment, in the first region, when seen in a cross section cut along a plane including the coil axis, in an n-th turn, an arranging order of the first coil conductor, the second coil conductor, and the third coil conductor from an inner side in a radial direction thereof is inverted from that in an n+1th turn.

There is provided a roller including: a roller body part; and a rubber part attached to the roller body part, the rubber part including: a rubber body part provided on an outer circumference of the roller body part; and a side extending part extending on a side face of the roller body part from a side face of the rubber body part, wherein the roller body part has a recess portion formed on the side face of the roller body part, and into which the side extending part is fitted.

Roller

A common mode noise filter includes: a first magnetic body and a second magnetic body; a non-magnetic body sandwiched between the first magnetic body and second magnetic body; and a first coil conductor and a second coil conductor of planar shape which are embedded in the non-magnetic body and positioned on the first magnetic body side and second magnetic body side in the non-magnetic body in a manner facing each other in a non-contact state; wherein a first lead conductor that connects one end of the first coil conductor to a first external terminal is embedded in the non-magnetic body, while a second lead conductor that connects one end of the second coil conductor to a third external terminal is embedded in the non-magnetic body.

Common mode noise filter

A hydraulic pump unit includes a cylindrical member that is fit into an outer circumference of the main shaft and a hydraulic pump body arranged on an outer circumferential side of the cylindrical member. The hydraulic pump body includes a ring cam mounted on the outer circumference of the cylindrical member, a pump bearing, a pump housing, a plurality of pistons housed in the pump housing and actuated by the ring cam, and a plurality of cylinders which guide the plurality of pistons in a radial direction and are arranged in a circumferential direction. The hydraulic pump unit is configured such that the pump unit is insertably fixed to the main shaft by the cylindrical member.

Hydraulic pump structure for wind turbine generator or tidal current generator and method of mounting hydraulic pump

An object of the invention is to provide a wind turbine generator or a tidal current generator which is equipped with a hydraulic transmission and achieves a superior power generation efficiency, and a operation method thereof. The wind turbine generatorcomprises a hydraulic pumpof a variable displacement type which is rotated by the main shaft, a hydraulic motorof a variable displacement type which is connected to the generator, and a high pressure oil lineand a low pressure oil linewhich are arranged between the hydraulic pumpand the hydraulic motor. The pump controllerobtains a target torque of the hydraulic pumpat which a power coefficient becomes maximum, and then sets a displacement Dof the hydraulic pumpbased on the target torque and the pressure in the high pressure oil line. The motor controllersets a displacement Dof the hydraulic pumpbased on a discharge amount Qof the hydraulic pump obtained from the displacement Dof the hydraulic pumpso that the rotation seed of the generatorbecomes constant.

Wind turbine generator and tidal current generator and operation method thereof

A wind turbine generator includes a hydraulic pump rotatable by a main shaft, a hydraulic motor connected to a generator, and a high pressure oil line and a low pressure oil line which are arranged between a hydraulic pump and a hydraulic motor. An operation mode selection unit switches an operation mode between a normal operation mode and a low rotation speed operation mode depending on environment conditions. The low rotation speed operation mode has a rated rotation speed of the main shaft lower than that of the normal operation mode, at least one of a rated displacement of the hydraulic pump and a rated pressure of the high pressure oil line that are greater than that of the normal operation mode and a rated output of a generator substantially same as that of the normal operation mode.

Wind turbine generator with a control unit for controlling a rotation speed of a main shaft

An object of the present invention is to provide a wind turbine generator and a tidal current generator equipped with a hydraulic transmission with a combination of a hydraulic pump and a hydraulic motor and which has a superior productivity and maintainability. The wind turbine generatorhas the hydraulic transmissionfor transmitting the rotation energy of a main shaftto a generator. The hydraulic transmissionincludes a hydraulic pumpof variable displacement type which is driven by the main shaft, a hydraulic motorof variable displacement type which is connected to the generator, and a high pressure oil line and a low pressure oil line which are arranged between the hydraulic pumpand the hydraulic motor. The hydraulic transmissionis at least partially constituted of a plurality of modules (Mto M).

Wind turbine generator and tidal current generator with a hydraulic transmission

One inventive aspect relates to a laminated capacitor capable of satisfying higher electrostatic capacitance and lower ESL at the same time. A dielectric chip constituting the laminated capacitor has an integral structure formed by alternately laminating a pair of first inner conductor layer and second inner conductor layer which are positioned on the same plane and are held in a non-contact relation, and a pair of third inner conductor layer and fourth inner conductor layer which are positioned on the same plane and are held in a non-contact relation, while a dielectric layer is interposed between the pair of first and second inner conductor layers and the pair of third and fourth inner conductor layers. Voltage of one polarity is applied to the first and fourth inner conductor layers from a first outer electrode through lead-out portions, and voltage of the other polarity is applied to the second and third inner conductor layers from a second outer electrode through lead-out portions.

Laminated capacitor having laminated internal conductor layers with lead out portions on side areas thereof

An method and apparatus for designing a high-frequency circuit perform replacing component items by component equivalent circuits in which corresponding component items have frequency characteristics, calculating evaluation data items for the replaced component equivalent circuits, while changing frequency, by a polynomial-frequency-function expression, obtaining the frequency characteristics of the component items, and evaluating circuit characteristics. When the result of evaluation indicates that the targeted circuit characteristics cannot be obtained, at least one of the component equivalent circuits in the circuit model is replaced by another component equivalent circuit corresponding to a component item having different electrical characteristics. The expression is used to calculate again evaluation data for evaluating the replaced component equivalent circuit, and circuit characteristics are evaluated again by using frequency characteristics based on the calculated evaluation data items.

Method and apparatus for designing high-frequency circuit, and display method for use in designing high-frequency circuit

A conductor is disposed within an area where electric coupling and magnetic coupling take place between the conductor and a device-under-test (DUT) in at least a portion of frequency band width, and the value of composite currents that is outputted in a plurality of directions different from each other against the DUT, is measured. Based on the measured plurality of values of the composite currents, the first electric current due to electric coupling between the DUT and the conductor and the second electric current due to magnetic coupling between the DUT and the conductor are calculated. From these first and second electric current values, electric field intensity and magnetic field intensity are calculated.

Method and device for measuring intensity of electromagnetic field, method and device for measuring current-voltage distribution, and method for judging quality of electronic device, and electronic device therefor

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Tokyo, Japan

Masayuki Shimizu