Fuji Xerox Co., Ltd.

Nippon Telegraph and Telephone Corporation

Anritsu Corporation

Kabushiki Kaisha Toshiba

Fujifilm Business Innovation Corp.

Hamamatsu-photonics K.k.

Nippon Telegraph and Telephone Public Corporation

Ntt Advanced Technology Corporation

Nippon Telegraph and Telephone Communications

Takashi Sakamoto

Naoya Iwata

Kei Hirata

Kazuto Noguchi

Akira Okada

Morito Matsuoka

Hiroaki Okuma

Akihide Kawamura

Masahiro Ueno

Keisuke Kubo

Seiji Toyoda

Fumiyoshi Kawase

Hideaki Miyata

Kazutoshi Kato

Tsukasa Tsushima

Hiromasa Tanobe

Osamu Moriwaki

Yuichi Akage

Daisuke Nakai

Toshikazu Tsumita

Yoshihisa Sakai

Tadashi Sakamoto

Joji Yamaguchi

Yuzo Sasaki

Satoshi Makita

Sen-ichi Suzuki

Takashi Nakamura

Takashi Sato

Takeshi Okoshi

Tadayuki Imai

Kazunori Koshimori

Yuya Kato

Shogo Yagi

Taiyou Uehara

Tomio Onuki

Akihiko Kato

Meishin Chin

Kiyoshi Chatani

Takayuki Sunaga

Hirohisa Kohno

Shoko Tatsumi

Masaharu Shimojima

Soichi Inoue

Tsuyoshi Sato

Tadahito Fujisawa

Masafumi Asano

Hiroaki Endo

Koei Yamamoto

Kazuhiko Abe

Kazuo Fujiura

Masanori Sekino

Naoya Yamasaki

Tatsuhiko Higashiki

Ryuji Hattori

Ichiro Mori

Takuya Kono

Takafumi Wakai

Masatoshi Fujimoto

Yoshiyuki Shioyama

Ryoko Saitoh

Sakae Yoshioka

Kazunori Naganuma

Yuichi Okabe

Hideo Ichikawa

Sohan Kawamura

Hiroyuki Morinaga

Munenobu Okubo

Arata Inoue

Takuya Kouno

Jun Miyazu

Shoichi Nakamura

Takashi Sugimoto

Takema Ito

Shigeo Ishibashi

Keita Kato

Hiroyuki Tsuda

Koji Yoneyama

Ryoji Sugimoto

Masatoshi Norigoe

Eiichi Sugai

Kimiaki Iwasaki

Tsutomu Tokuke

Takumichi Sutani

Noboru Yokoya

Mahiro Yamada

Yukihiko Ushiyama

Hiroki Shiina

Yoichi Katsuki

Masaya Shimizu

Junkichi Shirono

Yuichiro Moroto

Masaki Omori

Yutaka Honda

Eiji Miyashita

Keita Katoh

Kazumaro Kitagawa

Kenzo Takahashi

Hiroaki Ohkuma

Sen-Ichi Suzuki

A swept light source of the present invention keeps a coherence length of an output beam long over an entire sweep wavelength range. A gain of a gain medium is changed with time in response to a wavelength sweep and the coherence length is kept maximum. The gain of the gain medium is kept close to a lasing threshold and an unsaturated gain range of the gain medium is narrowed over the entire sweep wavelength range. An SOA current waveform data acquiring method of driving while keeping the coherence length long, a novel coherence length measuring method, and an optical deflector suitable for the swept light source are also disclosed.

Swept light source and drive data generation method and optical deflector for swept light source

An optical deflector includes an electro-optical material in a paraelectric phase and having a trap for accumulating charges inside the electro-optical material; an electrode pair formed on facing surfaces of the electro-optical material; a first and second conductor hold units provided so as to hold the electro-optical material and the electrode pair therebetween; a temperature sensor that measures at least one of temperatures of the conductor hold units; and a temperature control unit that controls the temperatures of the conductor hold units, based on the measurement temperature, and the optical deflector sets an optical axis of incident light into the electro-optical material so as to be orthogonal to the electric field direction, applies between the electrode pair an alternating current voltage on which a direct current bias voltage is superimposed, and thereby deflects the incident light, in which the temperatures of the first and second conductor hold units are controlled so as to give the electro-optical material a temperature gradient to make a charge density in the electro-optical material substantially uniform.

Light deflector

A display control apparatus includes an acquisition unit that acquires an image, a memory that stores multiple images acquired by the acquisition unit, a recognition unit that recognizes a size of a character included in an image to be displayed on a display from among the images stored on the memory, and a display controller that causes the display to display the images stored on the memory while switching from one image to another every set time period. The display controller determines a display setting of the image to be displayed on the display in response to the size of the character included in the image that the recognition unit has recognized and causes the display to display the image in the determined display setting.

Display control apparatus, display system, and non-transitory computer readable medium

A display control apparatus includes an acquisition unit that acquires image data, a memory that saves a display time of an image indicated by the image data acquired by the acquisition unit and a display cycle of the image indicated by the image data in association with each other, a setting unit that, if the acquisition unit newly acquires image data, sets the display time and the display cycle of the image indicated by the newly acquired image data, in response to a number of images to be displayed, and the display times and the display cycles of the images to be displayed, a display that causes an external apparatus to display the display time and the display cycle of the image indicated by the newly acquired image data and set by the setting unit, a receiving unit that receives a modification of each of the display time and the display cycle displayed on the external apparatus, and a display controller that causes the display to display the image, indicated by the image data newly acquired by the acquisition unit, in accordance with the display time and the display cycle received by the receiving unit.

Display control apparatus, and non-transitory computer readable medium for controlling display time of images

A display control device includes an acquisition unit that acquires an image, a storage unit that stores plural images acquired by the acquisition unit, and a display control unit that controls each image stored in the storage unit to be displayed sequentially on a display device during a fixed time, and performs control of changing a time for which each of an acquired new image and the plural images stored in the storage unit is displayed on the display device according to a display priority of each image in a case where the acquisition unit acquires the image.

Display control device and non-transitory computer readable medium storing display control program for setting display time according to display priority

A powder supply device includes: a storage unit that stores a mixed agent including a functional material-containing powder and magnetic powder, the storage unit being provided with a discharge port through which a part of the stored mixed agent is discharged; a supply unit that holds the mixed agent and supplies the functional material-containing powder from the storage unit; and a magnetic body that covers at least a part of the discharge port and forms a nap of the mixed agent to prevent the mixed agent that is dispersed in air from flowing out through the discharge port.

Powder supply device with magnetic body that forms a nap of mixed agent

An information processing apparatus includes a collecting unit that, when a predetermined transmission condition is established after a start of an operation of the information processing apparatus, collects information related to an operational environment of the information processing apparatus, and a transmitting unit that transmits the collected information to an image forming apparatus connected to the information processing apparatus via a network.

Information processing apparatus, image forming apparatus, and non-transitory computer readable medium

A developing device includes a developer carrier, a sheet-shaped insulating seal member, and an electroconductive film. The developer carrier holds a developer with which an electrostatic latent image formed on an image carrier is developed. The seal member is disposed above the developer carrier and at a portion that is not in contact with the held developer. The seal member has a first end portion fixed and a second end portion in contact with the image carrier. The electroconductive underlies an undersurface of the seal member at a portion that is not in contact with the developer held by the developer carrier. The electroconductive film has a first end portion connected to the first end portion of the seal member and a second end portion not in contact with the image carrier.

Developing device and image forming apparatus

Provided is a swept light source including one end surface coupled to a wavelength filter constituted of a diffraction grating and an end mirror via a light deflector and another end surface including a gain medium facing an output coupling mirror and which configures a laser cavity between the end mirror and the output coupling mirror, wherein a drive voltage having an AC voltage on which a DC bias voltage is superimposed is output from a control voltage source of the light deflector to an electrode pair of an electro-optic crystal, light is radiated from a light emitter to the electro-optic crystal, and incident light from the gain medium incident along an optical axis perpendicular to a direction of an electric field formed by the control voltage is deflected in a direction parallel to the electric field, so that wavelength sweeping is performed.

Swept light source and method for controlling the same

A developing device includes a supply member, a developing device body, and a closing member. The supply member supplies a developer to an image holding element that holds a developer image. The developing device body rotatably supports the supply member. The closing member closes a clearance formed between the developing device body and the supply member with one end of the closing member fixed to the developing device body and the other end, which is a free end, contacting the supply member. The closing member has plural grooves formed to extend from the other end toward the one end.

Developing device and image forming member including a clearance closing member with grooves

A developing device includes a developing member that delivers a developer to an image carrier while rotating, a transport-supply member that extends in one direction and that supplies the developer, which contains a toner, to the developing member while transporting the developer from a first side to a second side in the one direction, and a transport-stirring member that is disposed along a transport-stirring path, which is inclined in an upward direction with respect to a horizontal direction, the transport-stirring member being configured to receive the developer, which is transported by the transport-supply member, from a portion of the transport-supply member on the second side in the one direction, stir the received developer while transporting the developer upward along the transport-stirring path, and deliver the developer to a portion of the transport-supply member on the first side in the one direction.

A wavelength swept light source includes a sawtooth waveform as a main waveform and an exponential component of the sawtooth waveform to the controlled voltage of the electro-optic deflector. The controlled voltage is controlled so that, as an oscillation wavelength to be swept is swept towards a longer wavelength side, a change rate of the oscillation wavelength is increased.

Wavelength swept light source

An image forming apparatus includes an image carrier that carries an electrostatic latent image; a developer supplying unit that supplies developer by being driven at a predetermined speed; a developing unit that develops the electrostatic latent image, while a transporting member transports the developer, a transport speed of the transporting member being switched to a plurality of speeds; a determining unit that determines whether or not an operation where a supply capacity of the developer supplying unit is greater than a transport capacity of the developing unit exceeds a predetermined threshold value and is continued; and a controller that performs control so that, when the determining unit determines that the operation exceeds the predetermined threshold value and is continued, an operation that was being executed immediately prior to the determination is stopped to forcefully drive the transporting member of the developing unit for a predetermined driving time.

Image forming apparatus

A powder container includes a container body having an opening corresponding to a powder opening of a container receiver; an open/close lid that closes the opening; a first restricting portion inclined to face a contact surface, which is located upstream of the powder opening and inclined with respect to an open/close operation direction of the open/close lid, when the container body is attached to the container receiver, the first restricting portion contacting the contact surface to restrict a position of the open/close lid in the open/close operation direction; and a second restricting portion restricting a posture of the open/close lid with respect to the container receiver in a direction in which the first restricting portion is tilted down toward the contact surface, when the container body is attached to or detached from the container receiver and a press member restricts movement of the open/close lid.

Powder container, powder processing apparatus using the same, and powder container controlling method

Growing community of inventors

Kanagawa, Japan

Takashi Sakamoto