Abstract: A silica particle has a compression and aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.

Abstract: An information processing apparatus includes a display controller that causes an image to be output to be displayed if an operating instruction of a user has been received at an image linked with each piece of outputtable content.

Abstract: An information processing apparatus includes a controller. The controller performs control such that, when a logged-in user is located within a first predetermined range from the apparatus, a second user approaching the apparatus is notified that the apparatus is in use.

Abstract: An information processing apparatus includes a display unit that has a touch panel function, an operation reception unit that receives a user instruction based on a touch operation performed on the display unit, and a display control unit that, when plural list items are displayed in a display area of the display unit, controls the display unit such that, if the operation reception unit receives an instruction to scroll through the plural list items, the plural list items are scrolled in the display area and, if a user selects a certain list item from the plural list items, the selected certain list item is fixed at an end of the display area in a scrolling direction.

Abstract: A teleconference system includes an audio data receiving section, a group information holding section, and an audio controller. The audio data receiving section receives audio data obtained by multiple terminal apparatuses of multiple users who participate in a conference. The group information holding section holds group information indicating multiple groups. The groups are obtained by grouping the users of the terminal apparatuses. Any of the terminal apparatuses is referred to as a certain terminal apparatus. Each of the groups includes one or more users. The audio controller controls volumes of sound output of the audio data independently for the respective groups based on the group information held by the group information holding section. The audio data is received by the audio data receiving section.

Abstract: A circuit board incorporable into an apparatus includes a substrate, a reception unit that is provided on the substrate and that wirelessly receives a function program for achieving a function, a storage unit that is provided on the substrate and to which a writing program for writing the function program received by the reception unit has been written in advance, a power supply provided on the substrate, and a power control unit that supplies power for receiving, with the reception unit, the function program and power for writing, on a basis of the writing program, the function program to the storage unit using the power supply without using an external power supply.

Abstract: A resin molded article includes a first resin formed of a polyolefin, reinforcing fibers, a second resin selected from a group consisting of a resin containing at least one of an amide bond and an imide bond, a resin containing an ester bond, and a resin having a linking group containing a sulfur atom, and a compatibilizer. The absolute value of difference in melting temperature between the first resin and the second resin is 130° C. or lower. At least a portion of the second resin forms domains in the first resin. The domains include first domains that do not contain the reinforcing fibers and second domains that contain the reinforcing fibers and that include a coating layer formed of at least a portion of the second resin on the periphery of the reinforcing fibers. The second domains include a second domain A containing one of the reinforcing fibers and a second domain B containing two or more of the reinforcing fibers.

Abstract: A parcel delivery system includes a receiving unit and a selecting unit. The receiving unit receives information regarding an external shape of a parcel requested to be delivered in response to a request from a client who requests delivery of the parcel. The selecting unit selects, on the basis of the information regarding the external shape of the parcel, which is received by the receiving unit, a delivery apparatus that delivers the parcel by taking into consideration empty space in the delivery apparatus.

Abstract: A self-propelled travelling apparatus includes a travelling controller that controls travelling of the self-propelled travelling apparatus; a receiving unit that receives merchandise and a message associated with the merchandise from a user during travelling of the self-propelled travelling apparatus; and a supplying unit that supplies the message to another user in a case where the other user receives the merchandise while the self-propelled travelling apparatus is travelling after receiving the merchandise and the message.

Abstract: An image forming apparatus includes an apparatus body that forms an image on a recording material; a drawn-out unit that is provided so as to be drawable from the apparatus body and has a mount region on which the recording material is mounted; and a guide unit that is provided on the drawn-out unit and guides the recording material to a position where the recording material is to be mounted on the mount region. The guide unit has a guide surface that guides an end of the recording material, a hook part that is hooked onto the drawn-out unit and determines a position relative to the drawn-out unit, and a release part that releases the hook part from the drawn-out unit by being operated by a user from a guide surface side.

Abstract: An information processing system includes an obtaining unit that obtains settings of a scheduled time and a scheduled place at which a first user is to use the self-propelled mobile apparatus, the scheduled time and the schedule place being set by the first user, a reception unit that receives at least one instruction of a movement for the self-propelled mobile apparatus, the at least one instruction being given by a second user, and a control unit that, if execution of the instructed movement would prevent the scheduled use of the self-propelled mobile apparatus from taking place at the scheduled place from the scheduled time, causes the self-propelled mobile apparatus not to execute the instructed movement.

Abstract: A work request support system includes a receiver that receives, from a requester who requests a person to do work, a request of work with respect to a first person who has previously engaged in a transaction with the requester, an allower that allows the first person to request a second person different from the first person to do work, and storage that stores the second person and the requester in association with each other after the allower allows the request from the first person.

Abstract: A semiconductor optical amplifier includes a conductive region that is provided on a substrate and allows light transmission, and a nonconductive region that is provided around the conductive region and prohibits light transmission. The conductive region includes a first region including a light-coupling portion to which light from an external light-source unit is coupled, and a second region having a narrower width than the first region and connected to the first region through a connecting portion, the second region including a light-amplifying portion amplifying the light from the light-coupling portion by propagating the light in a predetermined propagating direction along a surface of the substrate, the light-amplifying portion outputting the amplified light in a direction intersecting the surface of the substrate.

Abstract: An encoding device includes a voxel-data acquiring unit and an encoding unit. The voxel-data acquiring unit acquires voxel data expressing a three-dimensional object to be fabricated and containing, for each voxel constituting the three-dimensional object, a value of the voxel and link information indicating a link direction of the voxel. The encoding unit encodes the voxel data by setting a code based on a predicting unit that has made a correct prediction of a value of a target voxel among multiple predicting units that predict the value of the target voxel based on a value of at least one reference voxel surrounding the target voxel, the target voxel being encoded based on the link information of the target voxel.

Abstract: An information processing apparatus connected to multiple devices and a server via a network includes an acquiring unit, a display controller, and a commanding unit. The acquiring unit acquires information about application software from the server. The display controller performs control so as to display an application software display section and a device display section on a single screen. The application software display section displays the information about the application software acquired from the acquiring unit. The device display section displays information obtained by grouping the devices in accordance with attributes of the devices. The commanding unit commands at least one of the grouped and displayed devices to install the application software acquired by the acquiring unit in accordance with an operation performed by a user via the screen displayed by the display controller.

Abstract: An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic latent image forming unit that forms an electrostatic latent image on the charged surface of the image holding member, a developing unit that develops the electrostatic latent image to form a toner image, a transferring unit that transfers the toner image to a first side of a recording medium, a fixing unit that allows the recording medium having the transferred toner image to pass through a nipping region to fix the toner image, a first charging unit that faces the first side of the recording medium and that charges particles, and a second charging unit that charges a second side of the recording medium to the opposite polarity to the charged particles after the recording medium passes through the nipping region.

Abstract: An electrophotographic photoreceptor includes a conductive substrate, a charge-generating layer disposed on the conductive substrate, and a charge-transporting layer as an outermost layer disposed on the charge-generating layer and containing a binder resin and a charge-transporting material, wherein the average particle size of the crystal of the charge-transporting material is approximately from 0.1 ?m to 5.0 ?m.

Abstract: A titanium oxide aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, a surface to which a metal compound containing a metal atom and a hydrocarbon group is bonded via an oxygen atom, a BET specific surface area in a range of 120 m2/g to 1,000 m2/g, and a value A is in the range of 0.03 to 0.3. The value A is calculated by formula: A={(peak intensity of C—O bond+peak intensity of C?O bond)/(peak intensity of C—C bond+peak intensity of C?C bond)}. In the formula, the peak intensity is a value determined from a C 1s XPS spectrum.

Abstract: An image forming apparatus includes a photoreceptor, a charging unit, an exposure unit, a developing unit, a transfer unit, a detector, and a controller. The charging unit charges the photoreceptor. The exposure unit exposes the photoreceptor charged by the charging unit to light and forms an electrostatic latent image on the photoreceptor. The developing unit develops the electrostatic latent image that has been exposed by the exposure unit and formed on the photoreceptor. The transfer unit transfers an image obtained by development by the developing unit to a transfer object. The detector detects strip developer, which is a strip-shaped developer image formed on the transfer object.

Abstract: A file management apparatus includes a receiving unit and a display controller. The receiving unit receives plural pieces of identification information of plural users who are allowed to access a file. The display controller controls display of a storage place that the users corresponding to the plural pieces of identification information received by the receiving unit are able to access, among storage places for which access right is set.