Kabushiki Kaisha Toshiba

Toshiba Tec Kabushiki Kaisha

Tdk Corporation

Enplas Corporation

Tokyo Electron Limited

Other

Hirose Electric Company, Ltd.

Matsushita Electric Works, Ltd.

Corona International Corporation

Sharp Kabushiki Kaisha Corporation

Nihon Dempa Kogyo Co., Ltd.

Tokyo Electron Yamanashi Limited

Masao Yamaguchi

Takashi Shiraishi

Yasuyuki Fukutome

Kanji Kobayashi

Masahiro Sasaki

Ken Omura

Yasuyuki Fukuda

Yasutoshi Fujita

Shinya Yoshihara

Naruhito Yoshida

Hiroshi Shindou

Jun Kudo

Yuichi Abe

Akio Ogawa

Isao Saito

Hiroshi Takatori

Tetsuo Abe

Kazuya Orii

Masaki Kouzu

Shingo Ohkawa

Hiroyuki Kato

Sunao Tabata

Haruhiko Ishida

Takahiro Fuchigami

Toshio Kubota

Takashi Yamaguchi

Taketoshi Itoyama

Kazuhiro Barada

Toshimichi Sakurada

Minobu Yamaguchi

Akiko Uematsu

Yasuo Yamaguchi

Takeshi Watanabe

Kazuhiko Kikuchi

Minoru Yoshida

Masaru Nakamura

Yasuyuki Suzuki

Yutaka Yoshida

Yoshiaki Ito

Shunichi Wakamatsu

Hiroyuki Kukita

Tadashi Murakami

Eiji Shiohama

Kouji Hirano

Kimiaki Furukawa

Ryoji Yokotani

Fumio Kokubo

Masaki Kozu

Masaru Sugimoto

Noboru Kanzo

Hideyoshi Kimura

Takuma Hashimoto

Shinji Kirihata

Tetsuyuki Itakura

Koji Nishioka

Atsuyoshi Tsunoda

Takamitsu Kamimura

Takayuki Isikawa

Yusuke Ohashi

Kazuo Orii

Tomohiro Kaku

Takumi Takano

Katsuhiro Uchisawa

Naruhito Yashida

Munetosi Nagasaka

Kimio Teramura

A booth includes one or more wall plates surrounding an internal space, a ceiling plate connected to the plates and above the space, and a communication portion connected to either the ceiling plate or an upper part of a wall plate and through which air flows. The communication portion includes area portions arranged along an air flow direction and each having an opening through which the air flows, the area portions including first, second, and third portions in this order from the outside of the booth towards the internal space, and a first area of the opening of the first portion along a surface perpendicular to the air flow direction is smaller than a second area of the opening of the second portion along the surface, and a third area of the opening of the third portion along the surface is smaller than the second area.

Booth

According to an embodiment, an acoustic output apparatus includes an acquisition unit and an output unit. The acquisition unit acquires non-stationary sound data that masks an operating sound, in which the operating sound is based on an operation of the operation unit. The output unit outputs a non-stationary sound based on the sound data acquired by the acquisition unit during occurrence of the operating sound.

Acoustic output apparatus

According to one embodiment, an image forming apparatus includes an image forming unit configured to form an image on paper, a conveying unit configured to convey the paper through the image forming unit, and a housing configured to accommodate the image forming unit and the conveying unit. The conveying unit is arranged on one side surface side of the housing. The housing has an opening on a side wall on a conveying unit side. The opening is open only downward.

Image forming apparatus with sound mitigation

A display has a member irradiated by a surface light source device comprising a light diffusion member and emission device. The emission device is provided with a light flux control member having a recess and light control emission face which is configurated so as to satisfy Conditions 1 and 2 in a range at least covering a half-intensity-angular-range. Light emitting element(s) may be sealed. Condition 1 is that relation &#x3b8;&#x3e;1 is satisfied except for light emitted from a light emitting element toward within an angular-neighbourhood of a standard optical axis of the emission device, and Condition 2 is that value of &#x3b8;decreases gradually according to increasing of &#x3b8;, where &#x3b8;is an emission angle of any light at being emitted from the light emitting element, and &#x3b8;is an emission angle of that light of &#x3b8;at then being emitted from the light control emission face of the light flux control member.

Emission device, surface light source device, display and light flux control member

A paper sheet transporting apparatus includes a transporting guide through which a paper sheet is transported and a sound propagation guide to transmit sound that is provided separately from the transporting guide by connecting two positions separated from each other on the transporting guide. When a difference between a length between the two positions of the transporting guide and a length of the sound propagation guide connecting the two positions is defined as &#x394;L(m), m=(2n&#x2212;1) (n is an integer) is satisfied, and a wavelength of a sound deadening symmetrical sound is defined as &#x3bb;(m), &#x394;L=m&#xb7;&#x3bb;/2 is satisfied.

Apparatus for transporting paper sheet

An image forming apparatus includes an openable/closable cover body in a main body. The cover body has a first cover member, a second cover member, an engagement member, an elastic body, and a support member. The support member rotatably supports the engagement member. The support member collides with the engagement member which is energized by the elastic body and is rotated when the cover body becomes in a closed state, to stop rotation of the engagement member. The support member is fitted on the first cover member separately from the second cover member.

Duplex printing image forming apparatus

A light flux controlling member includes a concavity on which light is incident on, a light control/emission surface that controls a traveling direction of light incident on the concavity, and a back surface that extends in a radial direction from an opening rim part of the concavity. One of a grid convex part which arranges a plurality of strips of convex parts in a grid pattern and a grid concave part which arranges a plurality of strips of concave parts in a grid pattern is formed in the back surface. A method of manufacturing the light flux controlling member includes forming one of the grid convex part and the grid concave part integrally with a main body of the light flux controlling member by integral molding using a mold having a shape corresponding to one of the grid convex part and the grid concave part.

Method of manufacturing light flux controlling member

A surface light source device includes a light source, a plurality of light guide rods that are disposed in parallel and allow light emitted from the light source to enter through an end surface and emits the incident light through an outer peripheral surface, and a diffusion plate that transmits light emitted from the light guide rod while diffusing the light. The light guide rod includes a light control part disposed on a surface along an axis of the light guide rod, and scattering, reflecting, or emitting light guided inside the light guide rod. Further, when an angle of a direction of a perpendicular relative to an extending direction of the diffusion plate from the center of the light guide rod is set as 0&#xb0;, an angle of light having peak intensity to be emitted from the light guide rod is 30&#xb0; to 90&#xb0;.

Surface light source device and display apparatus using same

A surface light source apparatus has a light emitting element, a light flux controlling member and a light diffusing member. The light flux controlling member has: a light control/emission surface that controls a traveling direction of light; a concavity that allows a main beam to be incident inside; and a back surface that extends in a radial direction from an opening rim part of the concavity and that allows sub-beams to be incident inside. One of a grid convex part which arranges a plurality of strips of convex parts in a grid pattern and a grid concave part which arranges a plurality of strips of concave parts in a grid pattern is formed in the back surface of the light flux controlling member. Surface roughening treatment is applied to one of the strips of the convex parts and the strips of the concave parts.

Surface light source apparatus

A surface light source device includes substrate, a plurality of light emitting devices disposed at constant intervals on substrate, and light diffusion plate disposed substantially parallel to substrate over the plurality of light emitting devices. Light emitting device includes light emitting element and light flux controlling member. A luminous intensity of light from light emitting device is gradually increased as an angle relative to optical axis becomes larger in an angular range from a direction along optical axis of light emitting device to a direction of emission of light with the highest luminous intensity from light emitting device. An angle of the light with the highest luminous intensity from the light emitting device is more than 78.7&#xb0; relative to the optical axis. Surface light source device satisfies two Equations of H/P&#x2266;0.2, and I/I&#x3e;6.

Surface light source device and display apparatus

In a surface light source device (), a positive reflective region () of a reflective member () that is disposed on the bottom surface () of a housing () reflects light output by a light emitting device () toward a direction away from the light emitting device (). As a result, the brightness of the light in the proximity of the light emitting device () of the surface shaped illuminating light output by a light emitting surface member () can be suppressed, and the brightness of light of a central part (position furthest away from the light emitting device ()) of the surface shaped illuminating light output by the light emitting surface member () can be increased.

Surface light source device and display device

A surface light source device () includes substrate (), a plurality of light emitting devices () disposed at constant intervals on substrate (), and light diffusion plate () disposed substantially parallel to substrate () over the plurality of light emitting devices (). Light emitting device () includes light emitting element () and light flux controlling member (). A luminous intensity of light from light emitting device () is gradually increased as an angle relative to optical axis (LA) becomes larger in an angular range from a direction along optical axis (LA) of light emitting device () to a direction of emission of light with the highest luminous intensity from light emitting device (). Surface light source device () satisfies three Equations of H/P&#x2266;0.2, L/P&#x3e;1, and I/I&#x3e;6.

A light flux controlling member has: a light control/emission surface that controls a traveling direction of light; a concavity that allows a main beam to be incident inside; and a back surface that extends in a radial direction from an opening rim part of the concavity and that allows sub-beams to be incident inside. One of a grid convex part which arranges a plurality of strips of convex parts in a grid pattern and a grid concave part which arranges a plurality of strips of concave parts in a grid pattern is formed in the back surface of the light flux controlling member.

Light flux controlling apparatus

The present invention relates to light flux controlling member () formed by injection molding, light emitting apparatus () having light flux controlling member (), surface light source apparatus () having light emitting apparatus (), and a display apparatus having surface light source apparatus (). Light flux controlling member () includes light control emission surface () configured to control light distribution of light emitted from light emitting element (), and back face () opposite to light control emission surface (). Light flux controlling member () is formed by injection molding by an overlap gate scheme, or by combination of the overlap gate scheme and a side gate scheme. Therefore, on back face () of light flux controlling member (), there remains gate remnant () in such a manner to be in contact with an outer rim.

Light flux controlling member, light emitting apparatus, surface light source apparatus and display apparatus

A light flux controlling member has a flange projecting outward of a radial direction of a light controlling emission surface and leg parts arranged within a range of area width L in a back surface and on the reference optical axis side of the boundary between the flange and the light controlling emission surface, and L is given by L=t&#xd7;tan(&#x3b1;&#x2212;&#x3b2;), where: t is the thickness of the flange or the height from the back surface to the outermost rim part; &#x3b1; is an angle of incidence of a light parallel to the reference optical axis and incident on the light controlling emission surface in the outermost rim part; and &#x3b2; is an angle of emission, from the light controlling emission surface, of a refraction light generated when the light parallel to the reference optical axis is incident on the light controlling emission surface from the outermost rim part.

Growing community of inventors

Saitama, Japan

Masao Yamaguchi