Hitachi, Ltd.

Panasonic Corporation

Niles Parts Company, Ltd.

Renesas Technology Corp.

Panasonic Intellectual Property Management Co., Ltd.

Tyco Electronics Amp K.k.

Hitachi Plant Engineering Construction Co., Ltd.

Aio Core Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Japan Aviation Electronics Industry, Limited

Dainippon Ink and Chemicals, Incorporated

Anelva Corporation

Nittan Company Limited

Shigeru Kobayashi

Tsuneaki Kamei

Hideaki Shimamura

Katsuo Abe

Eisuke Nishitani

Masao Sakata

Susumu Tsuzuku

Suguru Fujita

Osamu Kasahara

Yuji Yoneoka

Nobuo Ishibashi

Susumu Aiuchi

Michiaki Matsuo

Hideki Tateishi

Akira Okamoto

Satosi Kisimoto

Koichi Emura

Junji Sato

Tsuyoshi Tamaru

Kazuhiko Kurata

Takehiro Hayashi

Makoto Mochizuki

Masashi Yamamoto

Masakazu Ishino

Hidetsugu Ogishi

Koji Kato

Kenji Tokunaga

Kazuhiro Shiba

Mitsuru Kurihara

Sunao Matsubara

Hiroki Nezu

Yoshiaki Kobayashi

Tsuneyoshi Kawahito

Kazuo Ohtsuka

Hiroyuki Shida

Yukio Tanigaki

Tokio Kato

Takeshi Oyamada

Teruo Minami

Nobuyuki Takahashi

Yasumichi Suzuki

Yuchi Yamanouchi

Naoyuki Tamura

Mitsuo Nakatani

Eiji Matsuzaki

Takayuki Watanabe

Daisuke Ito

Hidehiko Kuroda

Toshiyuki Koshita

Kunihiko Watanabe

Nobuo Nakagawa

Masaaki Tanabe

Akihiro Kenmotsu

Yasushi Ohyama

Yoshifumi Yoritomi

Tamotsu Shimizu

Takenori Matsumoto

Hidetaka Nishimura

Ryuji Sugimoto

Kazuyuki Fujimoto

Seiichi Hirawata

Masashi Nakatsukasa

Ryoji Oomura

Masataka Miyazaki

Susumu Takeda

Hiroyuki Akimori

Kenji Kunimitsu

Hikaru Nishijima

Junji Satou

Shoyo Fujita

Etsuo Matsumoto

Tomohiro Kikuta

Norihiro Uchida

Natsuyo Chiba

Nobuaki Ohtsu

Susmu Tsuzuku

Hiroyuki Miyazaki

Provided is an optical module having high efficiency in optical coupling to a functional element on a substrate. An optical module includes: a first optical waveguide disposed parallel to a substrate; a condensing mirror configured to reflect and condense light propagated in the first optical waveguide toward the substrate; a second optical waveguide formed in a tapered shape narrowed toward the substrate, the second optical waveguide guiding the light reflected by the condensing mirror to the vicinity of the surface of the substrate; and an optical function unit disposed on the substrate such that the light emitted from the second optical waveguide is incident on the optical function unit.

Optical module

To provide an opto-electric module that can be cooled efficiently. An opto-electric module comprises: an opto-electric hybrid device provided with an electronic circuit and an optical circuit driven by the electronic circuit, the opto-electric hybrid device having a first surface and a second surface on an opposite side from the first surface, such that an electrical input and output unit with respect to the electronic circuit and an optical input and output unit with respect to the optical circuit are disposed on the first surface; an interface substrate which is disposed near the first surface of the opto-electric hybrid device and which is provided with an electrical interconnect coupled to the electrical input and output unit, an optical interconnect coupled to the optical input and output unit, an electrical interface which is connected to the electrical interconnect and also connectible to an external electrical interconnect, and an optical interface which is connected to the optical interconnect and also connectible to an external optical interconnect; and a heat-dissipating member disposed in contact with the second surface of the opto-electric hybrid device.

Opto-electric module

A first disclosure is a coil member wherein a lead wire is wound in oval shape, with an oval-shaped cross section being curved along a major-axis direction of the oval-shaped cross section and having a curvature axis in a direction parallel to a minor-axis direction of the oval-shaped cross section. A second disclosure is a contactless-type power transmission device provided with: a coil member as a first coil; a second coil; and a tilting shaft that makes variable, using the curvature axis as a rotating axis, an inclination between a central axis of the first coil, which is a rotational symmetry axis of the first coil, and a central axis of the second coil.

Coil member, contactless-type power transmission device, electromagnetic wave irradiation/reception device, power transmission/information communication device, and autonomous mobile robot system

In a display control device, in accordance with speed limit information input from an input unit, a control unit senses change in a speed limit of a road where a vehicle travels and after that, in accordance with vehicle information input from the input unit, determines whether or not whether necessity to increase conspicuity of notification of the change in the speed limit. When it is determined that the necessity is high, a display unit is caused to switch display on a display medium from a first presentation image to a second presentation image that indicates a second speed limit by a first switching method. When it is determined that the necessity is not high, the display of the first presentation image is switched to the display of the second presentation image by a second switching method different from the first switching method.

Display control device, projection device, and non-transitory storage medium for vehicle speed limit notifications

In a display control apparatus configured to control image data displayed on a predetermined display medium, an information acquisition unit acquires a first information associated with the predetermined matter at a first time and acquire a second information associated with the predetermined matter at a second time after the first time. A determination unit judges whether there is a predetermined change between the first information and the second information. A control unit controls the image data such that in a case where a predetermined change is detected, at least one of parameters including a location, a size, and a shape of a restricted area, in which the displaying of display information including in the image data is limited, is changed so as to achieve the parameter defined in relation to the second information.

Display control apparatus, computer-implemented method, storage medium, and projection apparatus

Provided is a pulse modulation circuit capable of generating a pulse modulation signal with a steep rise and a desired pulse width at a desired timing not depending on a transmission signal sequence. In this circuit, a control signal generation unit () generates a first control signal if transmission data (S) is '1' and a second control signal if the transmission data (S) is '0.' The control signal generation unit () controls an oscillator () of an intermittently operating circuit () to be at an oscillation state for outputting a desired first oscillation signal while the first control signal is turned ON and controls the oscillator () to be at an idling state for outputting a second oscillation signal having a lower amplitude than the first oscillation signal while the second control signal is turned ON.

Pulse modulation circuit and pulse modulation method

There is provided a low loss slow wave transmission line that can be miniaturized. A slow wave transmission line of the present invention has a configuration which includes a repeated arrangement of a low impedance line and a high impedance line and in which the high impedance line is longer than the low impedance line in terms of a line length.

Slow wave transmission line

A signal modulator that can control transmission power if level adjustment of a continuous signal from an oscillator is executed is provided. A pulse generator of one example of a signal modulator includes an oscillator, a control signal generator, a multiplier, a filter, and a control section. The oscillator and the multiplier are active circuits formed of active elements. A continuous signal is output from the oscillator and is input to the multiplier and the multiplier intermittently operates by a control signal output from the control signal generator, whereby a pulse signal is generated and the power level is easily adjusted by a signal from the control section.

Signal modulator

It is an object of the present invention to shorten a time required until phases of output signals being output from two output terminals are inverted respectively from a start time of an oscillation in a differential oscillation apparatus. In a differential oscillation apparatus according to the present invention which includes a differential oscillator portionhaving an external input terminal at a terminal of one transistorand a switch circuit, a first control signal generation circuitfor generating a first control signal to control an oscillation start and an oscillation stop of the differential oscillator portion, and a second control signal generation circuitfor generating a second control signal input into the terminal of one transistorof the differential oscillator portion, when a phase relationship between collector currents flowing through two transistorsis decided by the second control signal, output signals being output from two output terminals are opposite in phase from a start time of an oscillation.

Differential oscillation apparatus and modulator

It is an object of the invention to provide a pulse generation circuit and a modulator for realizing a high On/Off ratio in a small circuit scale and with lower power consumption. A short pulse generation circuit according to the invention includes an oscillator, a control signal generation circuit, an intermittent frequency multiplier, a filter, and an output terminal. The oscillatorand the intermittent frequency multiplierare active circuits implemented as active elements. A continuous signal is output from the oscillatorand is input to the intermittent frequency multiplierand the intermittent frequency multiplierintermittently operates according to a control signal output from the control signal generation circuit, thereby generating a short pulse signal, and a spurious component is removed through the filter.

Pulse generation circuit and modulator

There is provided a small-size, low-power-consumption intermittent operation circuit capable of obtaining an output waveform having a rapid rise and fall. The intermittent operation circuit includes an active circuit (), a first control signal generation circuit () for generating a first control signal (S) for controlling the operation start and the operation end of the active circuit (), a second control signal generation circuit () for generating a second control signal (S) causing the active circuit () to perform ringing vibration and controlling the frequency and the amplitude value of the ringing vibration, and a timing adjusting circuit () for adjusting the input timing of the first and the second control signal (S, S) into the active circuit () so that the ringing vibration and the safety vibration are outputted continuously from the active circuit ().

Intermittent operation circuit and modulation device

The object of the present invention is to provide a technique for accurately transmitting information, wherein optical signals are the medium of information, between circuit boards. A holding membertaught in the present specification holds a plurality of circuit boardswith a predetermined distance therebetween, and provides an optical communication path between the circuit boards. The holding membercomprises a bodyand an optical waveguidethat penetrates the body. The holding memberfurther comprises a light receiving portionand a light emitting portion. By means of the holding member, an optical signal emitted at one circuit boardand received at an other circuit boardtravels along the optical waveguideof the holding member

Holding member for holding a plurality of circuit boards and module utilizing this holding member

In the optical fiber collimator according to the invention, a transparent block having a refractive index that is substantially the same as the refractive indices of the lens and optical fiber is disposed between the lens and ferrule so that the block contacts the lens, ferrule, and optical fiber. The thickness of the block in the direction of beam transmission is set to be the same as the distance to the focal point from the end surface of the lens that is determined by the diameter and refractive index of the lens and the refractive index of the block.

Optical fiber collimator

When a conventional semiconductor container opening/closing apparatus opens a lid of a semiconductor container, foreign particles enter into the container from outside through a gap between the container and a wall surface of the container opening/closing apparatus and adhere to a wafer in the container. An apparatus is provided to reduce the number of foreign particles adhering to the wafer by preventing foreign particles from entering into the container at the time of opening the container by the opening/closing apparatus. To achieve this, a velocity-differential pressure ratio obtained by dividing the maximum velocity at the time of opening the lid of the container in a vertical direction to an opening of the container, by the differential pressure between the inside pressure and the outside pressure of said semiconductor manufacturing apparatus, is set to be 0.06 ((m/s) Pa) or less.

Semiconductor container opening/closing apparatus and semiconductor device manufacturing method

A first guiding mechanism is formed by the interior shape of an engagement portion of a plug housing and the exterior shape of an engagement portion of a receptacle housing, to be guided and inserted into the engagement portion. A second guiding mechanism is formed by guide posts and guide holes. A third guiding mechanism is formed by the interior shape of the engagement portion of the receptacle housing and the exterior shapes of first multi core ferrules of the plug side optical connector, to be inserted into the engagement portion of the receptacle housing. A fourth guiding mechanism is formed by guide pins of second multi core ferrules and guide pin apertures, for receiving the guide pins of the first multi core ferrules. The first, second, third, and fourth guiding mechanisms operate in this order during engagement of a receptacle side optical connector and a plug side optical connector.

Multi core optical connector assembly

Growing community of inventors

Tokyo, Japan

Shigeru Kobayashi