Hitachi, Ltd.

Other

Tdk Corporation

Fujitsu Corporation

Hitachi Displays, Ltd.

Meiji Seika Kaisha, Ltd.

Panasonic Liquid Crystal Display Co., Ltd.

Japan Display Inc.

Hitachi Video and Information System, Inc.

Nec Corporation

Hitachi Device Engineering Co., Ltd.

Kabushiki Kaisha Toshiba

Toray Industries, Inc.

Fujitsu Ten Limited

Meiji Seika Pharma Co., Ltd.

Hiroshi Kurihara

Tsutomu Furuhashi

Naruhiko Kasai

Takeshi Maeda

Atsuhiro Higa

Shigeyuki Nishitani

Hisayuki Ohhara

Motonari Yanagawa

Masashi Mori

Masataka Midori

Hiroyuki Nitta

Kazumi Yamamoto

Tatsumi Mori

Kozo Hayashi

Toshifumi Saitoh

Kyoichi Fujimoto

Satoru Tsunekawa

Taku Murase

Naofumi Okubo

Yukio Hiruta

Kikuo Ono

Tatsuhiro Inuzuka

Kazuyoshi Kawabe

Yoshimasa Daido

Nobutaka Kato

Yasuyuki Kudo

Kazuhiko Kobayashi

Toru Maniwa

Hiroyuki Mano

Yoshikazu Yokota

Kazunari Kurokawa

Shuji Kobayakawa

Yoshihiko Asano

Naoyoshi Sato

Tadayoshi Katoh

Tomohiro Honya

Takeshi Teraoka

Keiichi Imamura

Tomoki Murakami

Yasuyuki Mishima

Masao Koyama

Shinichi Iwasaki

Shizuo Shimano

Norio Sasaki

Satoshi Konuma

Sadao Takenaka

Michiaki Iwata

Harumi Fukuyasu

Yoshihiro Usui

Yoshihito Hirai

Tsutomu Tsuruoka

Hiroki Hotta

Nobumitsu Sawai

Yoshihiro Kawasaki

Katsumi Kondo

Masuyuki Ohta

Norio Mamba

Takashi Tsunehiro

Daisuke Matsubara

Masaaki Kitajima

Yoshihisa Ooishi

Teruhisa Ninomiya

Yoji Ohashi

Osamu Isaji

Kazuho Miki

Nobuto Minowa

Tatsuo Makishima

Ryo Horikoshi

Satoshi Kawamura

Masaji Sezaki

Tamio Saito

Ken Ishino

Nozomu Nakanishi

Atsushi Yamashita

Kazuhiko Oyama

Yasuo Hashimoto

Seiichi Nishiyama

Masafumi Shigaki

Toshiyuki Saito

Haruo Yamamoto

Masashi Nakamura

Osamu Sakanaka

Tatsuhisa Fujii

Eiji Itaya

Yasuhiko Sakaguchi

Hidetoshi Nishi

Takuya Eriguchi

Masato Shimura

Yutaka Sakai

Kazuya Matsumura

Toru Sugahara

Toshio Nishizuka

Makoto Matsumura

Masaki Mega

Akinori Morikawa

Hiromi Watanabe

Toshiyuki Iseki

Yasuhito Kato

Sakae Watanabe

Miki Kasabo

A computer-readable medium capable of estimating a distribution of an electromagnetic field intensity of radiant interference waves on a virtual surface surrounding a test piece with high accuracy while inhibiting an increase of a time required for a radiant interference wave test for radiant interference waves having a frequency included in a wider frequency band is provided. A computer-readable medium storing instructions which, when executed by a computer, cause the computer to execute a first calculation step of calculating an upper limit value of a measurement interval of radiant interference waves using an antenna based on positions of a plurality of electromagnetic wave sources according to a test piece radiating the radiant interference waves and a relative positional relation between the antenna measuring the radiant interference waves and the test piece.

Computer-readable medium, information processing method, and information processing device

A electromagnetic wave test device includes: a reverberation chamber; a first antenna installed inside the chamber and radiating electromagnetic waves of a frequency lower than the chamber's first resonance frequency; a second antenna installed inside the chamber and radiating electromagnetic waves of a frequency equal to or higher than first resonance frequency; a power supply device connected between a grounding member and first antenna and feeding power to the first antenna; a dummy load connected between the grounding member and first antenna; a first power loss inhibiting unit having an impedance corresponding to an allowed value for power loss according to first antenna in a case wherein electromagnetic waves are radiated from the second antenna; and a switching unit including a first switching unit that switches a connection destination of first antenna to one of the dummy load and the first power loss inhibiting unit.

Electromagnetic wave test device and electromagnetic wave test method

An electromagnetic stirrer including: a shaft body extending in a first direction; and a plurality of stirring blades disposed on the shaft body, in which the plurality of stirring blades include a first stirring blade and a second stirring blade, the first stirring blade and the second stirring blade are aligned from a reference position of the shaft body in the first direction in order of the first stirring blade and the second stirring blade, a shape of the first stirring blade and a shape of the second stirring blade are similar to each other, and a size of the first stirring blade is different from a size of the second stirring blade.

Electromagnetic stirrer and reflection chamber

An electromagnetic wave measurement point calculation program causing a computer to execute: a correction coefficient calculating function of calculating a correction coefficient for which an interval of heights of an antenna satisfies a sampling theorem based on a relative positional relation between a test body including a radiation source radiating a radiation interference wave and the antenna performing measurement of at least one of an electric field and a magnetic field of the radiation interference wave and a reflection coefficient of the radiation interference wave on a floor face on which the test body is placed; and a measurement height calculating function of sequentially calculating the heights of the antenna in a case in which the measurement is performed using the correction coefficient.

Electromagnetic wave measurement point calculation program and radiation interference wave measurement device

An electromagnetic wave measurement point calculation device of the present invention is an electromagnetic wave measurement point calculation device that is configured to calculate a plurality of measurement points of an electromagnetic wave set on a surface surrounding a radiation source of the electromagnetic wave. The electromagnetic wave measurement point calculation device includes an arithmetic processing unit configured to calculate a measurement interval between a first measurement point and a second measurement point adjacent to the first measurement point using a correction coefficient determined according to the first measurement point and execute an electromagnetic wave measurement point calculation process for sequentially calculating the plurality of measurement points in a measurement range.

Electromagnetic wave measurement point calculation device and radiation interference wave measurement device

A display configured to detect an error in display data without a parallel-serial conversion circuit is provided. The display includes a display area, a control unit, and a plurality of first CRC circuits. The control unit receives whole display data to control the display area. The whole display data includes a plurality of unit display data and a plurality of CRC data. The plurality of unit display data are each composed of a predetermined count of bits. A count of the plurality of CRC data is identical to the predetermined count of bits. The plurality of first CRC circuits correspond to the respective plurality of CRC data.

Display and display system

A radiated emission measuring device includes: an electric field measuring device and an arithmetic processing unit. The arithmetic processing unit performs: a first arithmetic process of creating at least one of an electric field distribution and an electric field strength distribution of the plurality of measurement points measured by the electric field measuring device and inputting zero to at least one of an electric field and electric field strengths at a certain point between two neighboring measurement points; a second arithmetic process of applying a digital low pass filter to at least one of the electric field distribution and the electric field strength distribution obtained in the first arithmetic process; and a third arithmetic process of specifying a position at a maximum electric field strength from at least one of an electric field distribution and an electric field strength distribution obtained in the second arithmetic process.

Radiated emission measuring device

An electromagnetic wave absorber and an electromagnetic wave anechoic room using the absorbers. The electromagnetic wave absorber has improved electromagnetic wave absorption characteristics at high frequencies in spite of having a hollow structure. The electromagnetic wave absorber includes a hollow shell with a bottom that is a rectangle. A part of a surface of the hollow shell and an outer face of a planar extension lie in planes that are not parallel to any side of the rectangle. At least the plane that is not parallel to any side of the rectangle is included in a surface of an electromagnetic wave absorption member.

Electromagnetic wave absorber and electromagnetic wave anechoic room

The present invention provides a compound transmitter having power efficiency characteristics and distortion characteristics superior, over a wide band, to those of a Doherty transmitter, and having fewer elements constituting an RF circuit. The present invention is therefore provided with a compound amplifier () for generating a signal (z) (efficiency improving signal) obtained by the amplitude modulation of a carrier signal from an RF modulation signal (a) (main signal); power-modulating, using two power amplifiers (), a signal (S) obtained by adding together (a) and (z), and a signal (S) obtained by subtracting (z) from (a); and setting, as a transmitter output point, the point (p) where the respective outputs are combined via impedance inverters (), the efficiency improving signal (z) being generated under conditions in which the size of the envelope of either (S) or (S) is fixed.

Linear composite transmitter utilizing composite power amplification

A far electromagnetic field estimation method includes assuming a measurement surface, setting a plurality of measurement points on the measurement surface, and measuring electromagnetic fields at the plurality of measurement points. The measurement surface in combination with a ground plane forms a closed surface surrounding a radiation source. A virtual observation point is outside a space formed inside the closed surface. Further, electromagnetic fields at a plurality of mirror image measurement points on a mirror image measurement surface having a plane-symmetrical relationship with the measurement surface are calculated on the basis of the electromagnetic fields at the plurality of measurement points. Then, a far electromagnetic field at the virtual observation point is estimated on the basis of the electromagnetic fields at the plurality of measurement points and at the plurality of mirror image measurement points.

Far electromagnetic field estimation method and apparatus, and near electromagnetic field measurement apparatus

The present invention relates to a technique which makes a backlight used in a liquid crystal display device thin and light-weight. The present invention provides a liquid crystal display device which includes a display panel and a backlight arranged behind the display panel, wherein the backlight includes a film-like light guide member, a film-like light semi-transmissive member adhered to a first surface of the light guide member which faces the display panel in an opposed manner, a film-like reflective member adhered to a back surface of the light guide member opposite to the first surface, and a spot light source arranged at a position of the light guide member at which light is incident on the light guide member from the first surface or the back surface. A refractive index of the light semi-transmissive member is set smaller than a refractive index of the light guide member.

Display device and planar light source device

When one frame period of two consecutive frame periods is a frame A and a next frame period subsequent to the frame A is a frame B, a tone requested from an external system is displayed in each sub-pixel by displaying two tones during the two frame periods including the frame A and the frame B, display data of an image A displayed during a period of the frame A and display data of an image B displayed during a period of the frame B are display data generated based on the display data and a video line driving circuit supplies, as tone voltages corresponding to the display data, a first set of tone voltages to video lines during the period of the frame A and a second set of tone voltages to the video lines during the period of the frame B subsequent to the frame A.

Display device with improved smooth tone display utilizing different sets of tone voltages converted from display data based on different conversion charateristics

A display device includes a display panel having a plurality of pixels, a drive circuit inputting a drive voltage to the plurality of pixels, and a display control device controlling and driving the drive circuit and to which display data is input from an external apparatus, in which a temperature detecting sensor is included. The display control device has a display bit reduction circuit. In a high-temperature operation mode when a temperature equal to or more than a predetermined temperature is detected at the temperature detecting sensor, the display bit reduction circuit ignores bits other than the highest-order bit of the display data input from the external apparatus and sends only the data of the highest-order bit of the display data input from the external apparatus to the drive circuit.

Display device

Disclosed is a process for producing 6-aryloxyquinoline derivatives useful as insecticides or fungicides for agricultural and horticultural use. The process comprises a cyclization reaction step of reacting an anthranilic acid derivative represented by general formula (1) with a kenone in the presence of an acid to obtain a quinolone derivative and a condensation reaction step of reacting the quinolone derivative with a halogen compound or an acid anhydride to obtain a quinoline derivative. 

Process for producing 6-aryloxyquinoline derivative and intermediate therefor

Growing community of inventors

Mobara, Japan

Hiroshi Kurihara