Mitsubishi Electric Corporation

Toru Aramaki

Hideki Matsui

Tomokazu Ogomi

Hiroshi Koike

Atsushi Ito

Hiroshi Araki

Masako Asamura

Akiko Fujiuchi

Hironobu Arimoto

Taku Matsuzawa

Akira Ota

Daisuke Ohama

Toshiaki Shoji

Masatoshi Kodama

Miki Sugano

Takuo Morimoto

Masashi Hino

Fumika Oshiyama

Koichi Hirai

Provided is a device housing made of materials containing at least an electrically conductive material, an image reading device, and an electrostatic capacitance detection device that can achieve electrical connection with a relatively small space while preventing deformation of the device housing. The device housing includes a housing made of materials containing at least an electrically conductive material and including an electrically conductive surface in at least part of the surface of the housing, a ground conductor being present on a plane different from the plane including the electrically conductive surface, and a ground auxiliary conductor disposed over a level difference existing between the plane including the electrically conductive surface and the plane including the ground conductor. The ground auxiliary conductor is an electrically conductive sheet to connect the electrically conductive surface to the ground conductor electrically.

Device housing, image reading device, and electrostatic capacitance detection device including a ground auxiliary conductor disposed over a level difference existing between a plane including an electrically conductive surface and a plane including a ground conductor

An electrostatic capacitance detection device includes a first electrode, and a second electrode at least a part of which is opposed to the first electrode across a transport path extending in a transport direction in which a detection target having a sheet shape is transported. The first electrode and the second electrode extend in a cross direction intersecting the transport direction and have mutually different shapes. Alternatively, the electrostatic capacitance detection device further includes a first floating electrode disposed on the side of the first electrode opposite to the transport path, and a second floating electrode disposed on the side of the second electrode opposite to the transport path. Alternatively, at least one of the first electrode or the second electrode is provided with a first electric field adjuster or a second electric field adjuster.

Capacitance sensing device and image reading device

Capacitive sensor

An image reading apparatus () includes image sensors (A,B). The image sensor (A) includes light guides (A,A) guiding light to a reading target (M), a lens body (A) forming an image of reflected light derived from the light guided by the light guides (A,A) and reflected from the reading target (M), light receiving elements (A) converting the image of reflected light formed by the lens body (A) into electrical signals, and a controller (A) controlling exposure times of the light receiving elements (A). The image sensor (B) includes a lens body (B) forming an image of transmitted light derived from the light guided by the light guide (A) and transmitted through the reading target (M), light receiving elements (B) converting the image of transmitted light formed by the lens body (B) into electrical signals, and a controller (B) controlling exposure times of the light receiving elements (B).

Image reading device controlling exposure time by multiple opening and closing operations of electronic shutters

A signal processing device () uses first characteristic data detected from a sheet-like detection target by a first detection element () and second characteristic data detected from the detection target by a second detection element () and having (i) a characteristic that is different from a characteristic of the first characteristic data and (ii) a correlation with the first characteristic data. The signal processing device () includes an evaluation value generator () that generates, by using the correlation with the second characteristic data, an evaluation value determining whether the first characteristic data includes an unnecessary portion, and a correction amount determiner () that determines, by using the evaluation value, for correction of data determined by the evaluation value generator () to be the unnecessary portion, a correction amount for the first characteristic data.

Signal processing device

A lighting device includes a rod-shaped light guide, a light guide holder, and an opening optically communicating with the hole. The opening is formed in a first flat surface opposite to a surface into which an end surface of the light guide is inserted. The device also includes a housing, a light source base plate, and a base plate protection layer being formed on a region of the light source base plate other than at least a region on which a light source element is formed. At least one of the light source base plate and the second flat surface of the base plate protection layer is pressed against the housing or the first flat surface at a position at which light emitted by the light source element enters the end surface of the light guide exposed from the opening.

Lighting device and image reading device

Sheet identification sensor

A light guide body () includes a light guide main body (), a band region (), and radial microstructures (). The light guide main body () is columnar, and light enters the light guide main body () from at least one end portion (). The band region () is formed extending in the lengthwise direction of a portion of a circumferential surface of the light guide main body (). The radial microstructures () are arranged in the band region () and are formed as microstructures that each have protruding parts extending radially in at least three directions in a band region portion from a reference point.

Light guide body, light source device and image reading device

A read sensor generates front side image information indicating an image on a front side of an object to be read, and front side measurement information indicating a line of an image in a main scanning direction on the front side of a correction chart. A read sensor generates back side image information indicating an image on a back side of the object to be read, and back side measurement information indicating a line of an image in the main scanning direction on the back side of the correction chart. The image correction device calculates an amount of misalignment of read positions based on the front side measurement information and the back side measurement information, and corrects misalignment of images on the front side and the back side of the object to be read, indicated by the front side image information and the back side image information.

Image correction device, image correction system, image correction method

A magnet is disposed on one side of a conveyance plane in which a sheet-like medium to be read is conveyed and generates a magnetic field in a direction perpendicular to the conveyance plane. A magnetoresistive effect element is disposed between the magnet and the conveyance plane, and detects an intensity variation in a conveyance direction component of the magnetic field in a magnetic reading area. An imaging optical system and a light receiver are disposed on the side opposite to the magnet side with respect to the conveyance plane. The imaging optical system forms an image of an optical reading area on the light receiver, the optical reading area including at least a portion in the conveyance direction of the magnetic reading area of the conveyance plane.

Image reading device

An illuminating apparatus includes a columnar light guide, a board having a light source fastened on one surface thereof, and a holder. The holder is formed with a through-hole into which an end of the light guide in the columnar center axis direction is fitted to hold the light guide, and a catch that catches and holds the board with the light source facing the end surface of the light guide in the columnar center axis direction in the through-hole.

Illuminating apparatus, image sensor, and methods for manufacturing illuminating apparatus and image sensor

A line illumination device includes: a frame; a rod-shaped light-guiding member housed in the frame; a flexible substrate; and a light source that is provided on the flexible substrate and emits light to the light-guiding member. The flexible substrate is bent so that the light source is disposed at an end of the light-guiding member and that the flexible substrate is housed in the frame. Power is supplied to the light source through a wiring provided on the flexible substrate so that the light source emits light and the light-guiding member emits light in line-shape.

Growing community of inventors

Chiyoda-ku, Japan

Toru Aramaki