Casio Computer Co., Ltd.

Asahi Kogaku Kogyo Kabushiki Kaisha

Pioneer Electronic Corporation

Masakuni Iwanaga

Yuta Saito

Kazuaki Abe

Junro Yano

Yoshihiro Maruyama

Yuji Ikedo

Yasuyuki Tejima

Nobutaka Minefuji

Yoshihiro Teshima

Atsushi Yamane

Hiroyuki Watanabe

A case includes a main case body and an exterior member. The exterior member is welded to the main case body with laser light. The laser light is irradiated onto an irradiation surface. A welding part of the main case body and the exterior member is formed on the inner periphery surface extending along a height direction of the case and is formed such that the irradiation surface is perpendicular to the incident laser light.

Case and timepiece

A light source unit includes a blue light source configured to output light in a blue wavelength range, an excitation light source configured to emit excitation light having a shorter wavelength than a wavelength of the light in the blue wavelength range outputted from the blue light source, and a luminescent wheel including a luminescent light emitting area on to which the excitation light is shined to thereby emit luminescent light and a light guiding area configured to transmit or reflect the light in the blue wavelength range, and the excitation light is shined on to the luminescent light emitting area from a first surface side of the luminescent wheel, and the light in the blue wavelength range is shined on to the light guiding area from a second surface side of the luminescent wheel that is opposite to the first surface side.

Light source unit and projector

An object of the present invention is to obtain an image that is more similar to a real ink-wash painting. An ink-wash painting conversion unit converts data of an original image into data of a painterly image. A characteristic region detection unit detects a characteristic region of the original image from the data of the original image. A conversion unit executes gradation processing of gradating the characteristic region detected by the characteristic region detection unit, and margin setting processing of setting a margin region to be added to the painterly image, as image processing of further converting the data of the painterly image that was converted by the ink-wash painting conversion unit.

Image processing apparatus for converting image in characteristic region of original image into image of brushstroke patterns

An electronic device includes a solar panel including a solar cell, the solar cell including a plurality of light receiving regions and a connecting region, the connecting region having a width narrower than widths of the plurality of light receiving regions and connecting the plurality of light receiving regions, wherein a conductive reinforcing material made of a conductive material is provided in the connecting region and is electrically connected to the plurality of light receiving regions.

Electronic device

An electronic device includes a dial, a module and a solar panel. The module is arranged under the dial and including a circular polarization antenna which includes a power feed point and a radiating electrode. The solar panel is arranged between the dial and the module and has an area corresponding to an area of the dial in a face direction thereof. The solar panel is constituted by a plurality of solar cells including a solar cell that has a light receiving surface arranged at a position corresponding to the radiating electrode.

A projector has a storage unit storing data on a plurality of different light emission patterns each occurring in a period based on a plurality of different-colored lights, wherein each light emission pattern corresponds to a respective one of a plurality of different projection conditions of a color image. An acquiring unit acquires a present projection condition of the color image, and a controller controls a light emission operation of the plurality of different-colored light emitting elements in the period in accordance with data on a light emission pattern corresponding to the present projection condition of the color image.

Projector and method of controlling a light source for use with the projector

There is provided a projection apparatus including a light source, a micromirror element which tilts a plurality of micromirrors arranged in an array +A&#xb0; or &#x2212;A&#xb0; (A&#x3e;0) separately from an array surface to form a light image with light components reflected by the plurality of micromirrors, an illumination optical system which uses light emitted from the light source and causes illumination light whose incidence angle is (2A+&#x3b1;)&#xb0; (&#x3b1;&#x3e;0) to enter the micromirror element from a direction to which a less than 45&#xb0; turn is made from a narrow side direction of the array surface of the micromirror element, and a projection optical system which a light image output from the micromirror element enters and which projects the light image onto a projection object.

Projection apparatus

A projector comprises a light source unit, a display device, a cooling fan, a light source side optical system for guiding light from the light source unitto the display device, a projection side optical system for projecting an image emitted from the display device on to a screen, and a projector control unit for controlling the light source unitand the display device. In addition, this light source unithas a plurality of fan-shaped segment areas on a circular transparent base materialwhich can be controlled to rotate, layersof different phosphors which emit light of predetermined wavelength bands by receiving excitation light being disposed on at least two of the segment areas on the transparent base material, and comprises an excitation light sourcewhich shines excitation light within a visible light wavelength band on to the phosphors.

Light source unit which shines visible excitation light onto phosphors on a rotatable base material, and projector including the light source

To provide a light source unit which can enhance luminance and a projector, a projector of the invention includes a light source unit comprising a luminescent wheel with luminescent light emitting portions to emit blue and green rays, a primary light source shining an excitation light to the luminescent light emitting portions, a secondary light source emitting a red ray, a light guiding optical system guiding the rays from the luminescent wheel and the ray from the secondary light source to the same optical path and a light source control means controlling the emissions from the respective light sources, wherein the light source control means turns on the secondary light source when the ray from the primary light source is shone onto a boundary between the luminescent light emitting portions to synthesize the rays from the luminescent wheel and the ray from the secondary light source to generate white ray.

An optical system unit having a light smoothing unit for emitting a light beam which is substantially parallel to an optical axis and a projector including the optical system unit are provided. The optical system unit includes a light source-side optical system, a display device for forming an image by reflected light and a projection-side optical system, whereby a light beam emitted from the light source unit is shone on to the display device via the light source-side optical system, an image is formed by the display device, and the image so formed is projected on to a screen via the projection-side optical system. The light smoothing unit of the light source-side optical system is such that at least one side of sides other than an incident side and an emitting side is disposed obliquely relative to a side which the at least one side confronts so that an area of the emitting side becomes larger than an area of the incident side.

Optical system unit for projecting images and including light smoothing unit formed into substantially truncated quadrangular pyramid, and projector including the same optical system

A light source unit includes a light emitting element, a substrate on which the light emitting surface is disposed, a sealing portion which transmits light from the light emitting surface, and a collimator lens having an inverted truncated hexagonal pyramid shape for forming light emitted from the sealing portion into a bundle of parallel rays of light, the sealing portion having two or more convexly curved surfaces which project in a direction in which light is emitted therefrom.

Light source unit and projector with light source apparatus

A projection display apparatus has a light source for emitting a white spotlight, a color wheel on which a plurality of transmission areas having different light transmission characteristics are arranged in the circumferential direction, a modulation unit which modulates the spotlight based on image data in a mixed-color period in which, along with the rotation of the color wheel, the spotlight from the light source passes through the color wheel at the boundary between a first transmission area and a second transmission area adjoining each other and having different transmission characteristics, and a timing change unit which changes the timing at which image data based on which the spotlight is modulated is switched to another one.

Projection display apparatus having image modulation timing changing function

A color wheel () has equally arranged RGB primary color filters, and intermediate color filters each arranged between adjacent primary color filters. A time division driver () drives a spatial light modulator () by supplying color signals corresponding to color of the lights from the color wheel () to the spatial light modulator (). The time division driver () controls the spatial light modulator () in accordance with display control instructed by a control unit (). Since the intermediate color filters are arranged between the adjacent primary color filters, a projector engine () projects mixed color lights during color mixture terms where the primary color and the intermediate color are mixed, thus improves the color reproduction performance.

Growing community of inventors

Akishima, Japan

Masakuni Iwanaga