Seiko Epson Corporation

Ns Technologies, Inc.

Daisuke Ishida

Masatoshi Yonekubo

Takashi Takeda

Yasushi Mizoguchi

Osamu Yokoyama

Mitsutaka Ide

Shuichi Wakabayashi

Takeshi Shimizu

Takahito Sanekata

Hirokazu Ishida

Hidemitsu Sorimachi

Makiko Hino

Hirosada Horiguchi

Tatsunori Takahashi

Kensuke Ogasawara

The image display device includes an image generating unit that emits first image light, a pupil expanding element that expands a diameter of a light flux included in the first image light from the image generating unit to obtain second image light, a first light condensing optical system that condenses the second image light and forms an intermediate image, and a second light condensing optical system that condenses light from the intermediate image and generates a virtual image on eye of a viewer, in a plane including at least the image generating unit, the pupil expanding element, and the eye of the viewer, a maximum emission angle of the first image light is smaller than a maximum viewing angle of the virtual image, and the diameter of the light flux included in the second image light is greater than that of a light flux included in the virtual image.

Image display device having maximum emission angle of image light smaller than maximum viewing angle of virtual image

An electronic component handler includes a first holder that is movable in a first direction and a second direction different from the first direction and is capable of holding an electronic component, a second holder that is movable in the first direction and the second direction independently of the first holder and is capable of holding the electronic component, a light irradiation section that is arranged so as to be capable of irradiating an electronic component placement portion on which the electronic component is placed with light through a gap between the first holder and the second holder, and an imaging section that is capable of imaging the electronic component placement portion irradiated with the light in the first direction, and determines whether or not the electronic component is placed on the electronic component placement portion based on the imaging result obtained by imaging by the imaging section.

Electronic component handler and electronic component tester

An electronic component handler includes: a transport unit which transports an electronic component; a region where an electronic component placement unit on which the electronic component is placed is capable of being disposed; a light irradiation unit which is capable of emitting light and capable of adjusting an irradiation direction of the light with respect to the electronic component placement unit; a processing unit which performs determination processing about the presence or absence of the electronic component in the electronic component placement unit based on at least one of a projection shape and an irradiation position of the light projected to the electronic component placement unit; and a display unit which displays an image having the projection shape.

An electronic component handler that transports an electronic component to an electronic component placement unit on which the electronic component is placed includes: a transport unit that transports the electronic component; a light irradiation unit that irradiates the electronic component placement unit with light; and a vertical direction moving mechanism unit that has a guide that supports the light irradiation unit and guides the light irradiation unit in a vertical direction.

Electronic component handler having a vertically movable light source

A three-dimensional measuring device includes a human detection information receiver for receiving information from a human detection sensor that detects a person present within a detection range, a laser emitter for irradiating a region including the object with the laser beam, a laser emission controller for controlling power of the laser beam irradiated from the laser emitter to first power and second power lower than the first power, an image capturing device for imaging the object, on which the laser beam is irradiated, and acquiring image data, and a point-group-data generator for generating, based on the image data, three-dimensional point group data of a region including the object. When the human detection information receiver receives, from the human detection sensor, first information indicating that a person is absent from the detection range, the laser emission controller controls the power of the laser beam to the first power.

Three-dimensional measuring device, controller, and robot system

Image display device having maximum emission angle of first image light smaller than maximum viewing angle of virtual image

An electronic component handler includes a region where an electronic component placing unit on which an electronic component is placed is capable of being disposed. A transport unit includes a first hand and a second hand for holding and transporting the electronic component. A light irradiation unit is capable of emitting light toward the electronic component placing unit and is capable of adjusting an emitting direction of the light. A capturing unit is capable of capturing an image of the electronic component placing unit irradiated with the light via a space between the first hand and the second hand. A control unit performs determination processing about the presence or absence of the electronic component in the electronic component placing unit based on the image captured by the capturing unit.

An image display device with which it is possible to visually recognize an image while securing the see-through property regardless of eye movements and changes in interpupillary distance, with which it is possible to display a large-size image with high quality, and which is small, has excellent wearability, and has an excellent external appearance.

Image display device with optical systems to guide light to a pupil

An image display apparatus includes an image light generator that generates video light modulated based on a video signal, a light diffracting section (first diffractive optical element) that diffracts the video light outputted from the image light generator, a light sweeper (optical scanner) that spatially scans the video light, and a reflector including a light diffracting section (second diffractive optical element) that diffracts the video light scanned by the light sweeper, and the light diffracting section (first diffractive optical element) is provided on an optical path between the image light generator and the light sweeper. The light diffracting section (first diffractive optical element) preferably has a fixed interval between interference fringes, and the light diffracting section (second diffractive optical element) preferably has portions where intervals between interference fringes differ from each other.

Image display apparatus having an optical scanner

An image display apparatus includes a plurality of light source sections, a light combining section that combines light fluxes, an optical scan section that swings around a first axis and a second axis to deflect a combined light from the light combining section for scanning, and a controller that controls an amplitude of the optical scan section around the first axis to be greater than that of the optical scan section around the second axis, wherein an optical axis of each of the light fluxes from the plurality of light source sections to the optical scan section and the first axis are present in a first plane, the optical scan section has a light reflection surface configured to be perpendicular to the first plane, and the light reflection surface is irradiated with the combined light and traveling in a direction inclined to a normal to the light reflection surface.

Image display apparatus and head-mounted display

An image display apparatus includes laser light sources, a light combining section that combines laser light from the laser light sources, and an optical scanner that deflects drawing laser light from the light combining section for two-dimensional scanning. The optical axes of the laser light outputted from the laser light sources and directed toward the optical scanner are present in the same plane. Further, the optical scanner has a light reflection surface configured to be perpendicular to the plane when the optical scanner is not driven. The optical scanner deflects the drawing laser light reflected off the light reflection surface for two-dimensional scanning by causing the light reflection surface to swing within the plane and in the direction perpendicular to the plane.

An image display apparatus including a plurality of light source sections, a light combining section that combines light fluxes, an optical element that inclines an optical axis, and an optical scan section that deflects light for scanning, wherein an optical axis of the light flux from each of the plurality of light source sections to the optical scan section is present in a first plane, the optical scan section has a light reflection surface that is perpendicular to the first plane and swings around a first axis present in the first plane and a second axis parallel to the direction of a normal to the first plane, and an angle of radiation of the light flux in the direction of the normal to the first plane is greater than that of the light flux in an in-plane direction in the first plane.

An image forming apparatus includes a light output unit that outputs light and a light scanning unit that includes at least one light reflection part reflecting the light output from the light output unit, and scans a display surface in a first direction at a first speed and scans the surface in a second direction orthogonal to the first direction at a second speed lower than the first speed with the light reflected by the light reflection part, wherein a drawable region in which an image can be formed on the display surface by scanning with the light has at least two parts of a part in which a length of the drawable region in the first direction increases, a part in which the length decreases, and a part in which the length is maintained constant from a first side toward a second side in the second direction.

Growing community of inventors

Fujimi, Japan

Daisuke Ishida