Canon Kabushiki Kaisha

Mitsubishi Electric Corporation

Ryota Sekiguchi

Toshihiko Ouchi

Yasushi Koyama

Takeaki Itsuji

Kousuke Kajiki

Masahiro Asada

Masahiro Okuda

Naoyuki Fujiyama

Alexis Debray

Koji Iida

Shinan Wang

Yoichiro Handa

Kosuke Asano

Michinori Shioda

Oichi Kubota

Makoto Koto

Shunya Osawa

Satoshi Yokoyama

Atsushi Kemmochi

A rail detecting device includes: a starting-region rail-starting-point redesignating unit that shifts a starting region for detecting rails to set a modified starting region and designates modified starting points of two rails at the lower edge of the modified starting region when portions of the two rails are not detected based on rail segments in an image; a rail-candidate detecting unit that detects multiple lines in the modified starting region as multiple modified rail candidates, the lines being candidates of edges of the two rails; a starting-region-rail assigning unit that assigns modified rail candidates whose lowest ends are closest to the corresponding modified starting points out of the multiple modified rail candidates as tentative modified rail segments; and a starting-region-rail disappearance determining unit that establishes the tentative modified rail segments as modified rail segments when distances between the lowest ends of the tentative modified rail segments.

Rail detecting device and rail detection method

An extraction unit () extracts as a stationary object-detection point, a detection point on a stationary object among a plurality of detection points around a vehicle (), the plurality of detection points being detected by an outside-detection sensor () at a plurality of detection timings. A grouping unit () groups two or more stationary object-detection points deduced as detection points on a same stationary object, among a plurality of stationary object-detection points extracted by the extraction unit () at the plurality of detection timings.

Object recognition apparatus, object recognition method, and computer readable medium

A vehicle lighting control apparatus includes a light control unit, a first detection unit and a second detection unit. The first detection unit detects a target object present outside an illumination range of a low beam of a vehicle, using a far-infrared camera. The second detection unit detects a location of the target object detected by the first detection unit, using a ranging sensor that measures a distance with a laser. The light control unit illuminates the location of the target object detected by the second detection unit with a marking light that can illuminate an area at a greater distance when compared with the low beam.

Vehicle lighting control apparatus, vehicle lighting control method, and computer readable medium

A drive assistant () executes a drive assist function that is a function of a drive assist system. A first electronic control apparatus () has a first sensor (). A second electronic control apparatus () has a second sensor (). The first electronic control apparatus () is connected to the drive assistant () via a main network (). The second electronic control apparatus () is connected to the first electronic control apparatus () via a sub-network () having no connection to the drive assistant (). The first electronic control apparatus () outputs, to the main network (), control assist information generated on the basis of first sensing information acquired by the first sensor () and second sensing information acquired by the second sensor ().

Driving control system and drive assist method

A vehicle lighting control apparatus includes a detection unit and a light control unit. The detection unit detects a target object present outside an illumination range of a low beam of a vehicle, using a device such as a far-infrared camera. The light control unit illuminates a range in which the target object detected by the detection unit is present with a marking light that can illuminate an area at a greater distance when compared with the low beam, thereby allowing a driver to recognize the target object.

An oscillation element that oscillates an electromagnetic wave includes a negative resistance element and a resonator including a first conductor and a second conductor, in which the negative resistance element and the resonator are arranged on a substrate, the negative resistance element is electrically connected to the first conductor and the second conductor, the first conductor and the second conductor are capacitively coupled to each other, and when a capacitance between the first conductor and the second conductor is set as C, an inductance of the first conductor and the second conductor is set as L, a speed of the oscillated electromagnetic wave in vacuum is set as C, a relative dielectric constant of the substrate is set as &#x3b5;, and a diagonal line length of the substrate is set as d, a series resonant frequency fof the resonator satisfies f=1/{2&#x3c0;&#x221a;(LC)}, and f&#x3c;C/[d&#x221a;{(1+&#x3b5;)/2}].

Oscillation element and oscillator using the same

Provided by the present invention is an image forming apparatus wherein a signal to noise ratio is improved without reducing a video rate of a real-time moving image. The image forming apparatus comprises: a pixelhaving an electromagnetic wave detecting elementconfigured to detect an electromagnetic wave; a switchconfigured to read out a signal from the pixel; a signal generating unitconfigured to generate a signalhaving a predetermined period, wherein the pixel is connected to a transmission linefor supplying, to the pixel, the signal having the predetermined period, and to a scanning lineandfor reading out the signal from the pixel through the switch, andthe pixel has a frequency converting elementconfigured to convert a frequency of a detection signal of the electromagnetic wave detecting element, using the signal having the predetermined period.

Image forming apparatus and imaging system

An imager for obtaining an image of an object includes a substrate including a plurality of electrical emitting units for emitting electromagnetic waves and a plurality of electrical detecting units for detecting the electromagnetic waves reflected by the object. Each emitting unit includes an electrical emitter, a first antenna, a first metallic reflector, and a first dielectric element between the first antenna and the first metallic reflector. Each detecting unit includes an electrical detector, a second antenna, a second metallic reflector, and a second dielectric element between the second antenna and the second metallic reflector.

Active terahertz imager

A semiconductor device includes a silicon substrate and a detection element and p-type and n-type MOS transistors, which are arranged on the silicon substrate, wherein the detection element includes a semiconductor layer, electrodes, and a Schottkey barrier disposed therebetween, the semiconductor layer is arranged just above a layer having the same composition and height as those of an impurity diffusion layer in the source or drain of the p-type or n-type MOS transistor, a region, in the silicon substrate, having the same composition and height as those of a channel region, in the silicon substrate, just below a gate oxide film of the p-type MOS transistor or the n-type MOS transistor, or a region, in the silicon substrate, having the same composition and height as those of a region just below a field oxide film disposed between the p-type and the n-type MOS transistor.

Semiconductor device and method for manufacturing the same

A detecting device which detects electromagnetic waves includes an antennal configured to receive electromagnetic waves, and a plurality of semiconductor rectifying devices serially connected to the antenna, and connected in parallel to each other such that the polarity is aligned, so as to receive electromagnetic waves propagated from the antenna, wherein the plurality of semiconductor rectifying devices are each disposed at positions where the phase of electromagnetic waves propagated from the antenna is substantially the same phase.

Detecting device, detector, and imaging apparatus using the same

Provided is a diode element, a detecting device, and the like which solve problems of a conventional lateral diode element. In the conventional element, a semiconductor interface appears in current path between two electrodes on a surface thereof, and thus noise caused by the interface is large. The diode element includes: a first-conductive-type low carrier concentration layer; a first-conductive-type high carrier concentration layer; and a Schottky electrode and an ohmic electrode which are formed on a semiconductor surface. The low carrier layer has a carrier concentration that is lower than that of the high carrier layer. The diode element includes a first-conductive-type impurity introducing region formed below the ohmic electrode, and includes a second-conductive-type impurity introducing region so as not to be in electrical contact with the Schottky electrode on the semiconductor surface between the Schottky and the ohmic. The second-conductive-type region is in contact with the first-conductive-type region.

Diode element and detecting device

An electromagnetic wave generating device is provided which includes an optical waveguide including a plurality of waveguide segments such that the main lobe of a combined electromagnetic wave has a substantially single large directivity. The electromagnetic wave generating device includes the optical waveguide including a plurality of waveguide segments each of which is sandwiched between dielectrics and includes a nonlinear optical crystal. The waveguide segments are arranged such that an angle formed by the directions of propagation of light in the two adjacent waveguide segments substantially corresponds to 2&#x3b8;. When ndenotes the refractive index of the nonlinear optical crystal for light and &#x2208;denotes the effective relative permittivity of an assembly of the dielectrics and the waveguide segments for an electromagnetic wave, &#x3b8;is defined as &#x3b8;=cos(n/&#x3b8;&#x221a;&#x2208;).

Electromagnetic wave generating device, electromagnetic wave detecting device, and time-domain spectroscopy apparatus

The invention provides an electromagnetic wave generation device. The device includes a substrate provided with a terahertz wave oscillation section including a resonant tunneling diode structure, a two-dimensional electron layer having a semiconductor heterojunction structure, and a transistor section including a source electrode and a drain electrode provided at end portions of the two-dimensional electron layer and a gate electrode provided above the two-dimensional electron layer. The terahertz wave output of the terahertz wave oscillation section changes distribution of electrons in the two-dimensional electron layer.

Electromagnetic wave generation device and detection device

An oscillator oscillates a terahertz wave of a frequency fdefined by a microstrip resonator configured such that a negative resistance element and a dielectric body are sandwiched between two conductors. The oscillator includes a resistance element disposed in parallel to the negative resistance element. The resistance element is disposed in a position corresponding to a node of an electric field stably existing in the resonator in the frequency fof the oscillated terahertz wave.

Oscillator

An oscillation element includes an antenna for oscillation configured to oscillate electromagnetic waves, and multiple negative resistance elements electrically connected to the antenna in parallel, and the multiple negative resistance elements are disposed in only a place where the phases of electromagnetic waves oscillated therefrom are the common phase or opposite phase.

Growing community of inventors

Kawasaki, Japan

Ryota Sekiguchi