Abstract: The propagation of radio waves in indoor and outdoor mobile communications is improved. An electromagnetic wave reflector includes: a panel having a reflecting surface and configured to reflect a radio wave of a desired band selected from frequency bands ranging from 1 GHz to 170 GHz; and a support supporting the panel, and, in this electromagnetic wave reflector, the support has a conductive frame and a non-conductive cover that covers at least part of the frame, and the frame has a slit and a hollow, the slit receiving an end part of the panel, and the hollow being independent of the slit.

Abstract: Provided is an image forming system including a determination processing portion and a sharing control portion. The determination processing portion determines share rates of an image forming job for each of a plurality of image forming apparatuses based on a startable timing at which a new job can be started by each of the plurality of image forming apparatuses. The sharing control portion causes the plurality of image forming apparatuses to share the image forming job based on the share rates of the image forming job determined in the determination processing portion.

Abstract: An electromagnetic wave reflector includes a panel having a reflective surface that reflects a radio wave of a frequency band selected from 1 GHz to 170 GHz, and a support body that supports the panel. The support body has a connector part electrically connected to the reflective surface, the connector part being configured to propagate a reference potential of a reflection having occurred at the reflective surface.

Abstract: A wireless transmission system includes a base station that transmits and receives a radio wave in a frequency band selected from a range of 1 GHz to 170 GHz, and an electromagnetic wave reflector having a reflective surface that reflects the radio wave and provided along at least a part of a production line in which manufacturing equipment that transmits and receives the radio wave is used.

Abstract: An image forming apparatus (100) includes a guaranteed area (RA), a receiving section (501), a second determination section (504), and an execution section (505). The receiving section (501) receives jobs (JB). When the receiving section (501) receives a first job (JB1), the second determination section (504) determines whether or not a first user (U1) who has input the first job (JB1) matches a second user (U2) who has input a second job (JB2) that is under execution using the guaranteed area (RA). When the second determination section (504) determines that the first user (U1) matches the second user (U2), the execution section (505) loads an image included in the first job (JB1) into the guaranteed area (RA), and executes the first job (JB1) subsequent to the second job (JB2).

Abstract: An image forming apparatus includes: a hard disc drive storing a database including image formation authority of a registered user and a remaining available amount and ID information for specifying the remaining available amount of the database to be updated based on processing detail data serving as data indicating processing details of the image forming apparatus; an image forming device; an auxiliary storage device storing processing management data including the processing detail data; and a controller managing details of processing performed by the image forming device. After ending of processing performed by the registered user, the controller uses the processing management data stored in the auxiliary storage device to update the remaining available amount specified by use of the ID information and deletes the processing management data from the auxiliary storage device in response to completion of the update.

Abstract: An antenna includes a ground plane; a first resonator connected to a feeding point with reference to the ground plane; and a second resonator that is fed power by the first resonator according to an electromagnetic field coupling with no contact. The second resonator includes a first conductor part, and a second conductor part capacitively-coupled to the first conductor part through a gap. A dielectric loss tangent of a substrate part, on which the second resonator is formed, is greater than zero and less than or equal to 0.01.

Abstract: An image forming apparatus (100) includes a guaranteed area (RA), a receiving section (501), a second determination section (504), and an execution section (505). The receiving section (501) receives jobs (JB). When the receiving section (501) receives a first job (JB1), the second determination section (504) determines whether or not a first user (U1) who has input the first job (JB1) matches a second user (U2) who has input a second job (JB2) that is under execution using the guaranteed area (RA). When the second determination section (504) determines that the first user (U1) matches the second user (U2), the execution section (505) loads an image included in the first job (JB1) into the guaranteed area (RA), and executes the first job (JB1) subsequent to the second job (JB2).

Abstract: An image forming apparatus includes: a hard disc drive storing a database including image formation authority of a registered user and a remaining available amount and ID information for specifying the remaining available amount of the database to be updated based on processing detail data serving as data indicating processing details of the image forming apparatus; an image forming device; an auxiliary storage device storing processing management data including the processing detail data; and a controller managing details of processing performed by the image forming device. After ending of processing performed by the registered user, the controller uses the processing management data stored in the auxiliary storage device to update the remaining available amount specified by use of the ID information and deletes the processing management data from the auxiliary storage device in response to completion of the update.

Abstract: An antenna device is to be installed in a vehicle. The antenna device includes a first element; a second element; and a feeding part. An angle formed between an electric field plane generated at the first element and the second element and a direction of a long side of the vehicle is within a range of ±45 degrees.

Abstract: An antenna directivity control system includes an antenna including a plurality of antenna elements, feeding points for the plurality of antenna elements being mutually different; and a controller for controlling weight for each of the plurality of antenna elements, wherein each of the plurality of antenna elements includes a feed element connected to the feed point, and a radiating element that functions, upon power being fed by establishing electromagnetic field coupling with the feed element, as a radiating conductor, and wherein the controller controls a directivity of the antenna by adjusting an amplitude of a signal at each of the feeding points.

Abstract: A MIMO antenna is provided that includes a ground plane, and a plurality of dipole antenna elements that are arranged in the vicinity of the ground plane. Each of the plurality of dipole antenna elements includes a radiating element including a conductor portion extending along an outer edge portion of the ground plane, and a feeding portion that feeds the radiating element.

Abstract: An antenna device includes a feeding element connected to a feed point, and a radiating element disposed at a distance from the feeding element. The feeding element is coupled with the radiating element by electromagnetic field coupling to feed the radiating element so that the radiating element functions as a radiating conductor.

Abstract: An antenna device includes a ground plane; a first resonator extending in a direction at a distance from the ground plane and connected to a feeding point; and a second resonator arranged at a distance from the first resonator. The ground plane includes an edge portion formed along the second resonator, with a resonance current being formed on the first resonator and the ground plane. The second resonator is configured to function as a radiation conductor by resonance of the first resonator. A tip portion of the first resonator is located near a metallic part. The second resonator has a plurality of electrical lengths of differing resonance frequencies.

Abstract: A multi-antenna includes a ground plane; a first feeding point; a second feeding point that is different from the first feeding point; a first feed element that is connected to the first feeding point; a second feed element that is connected to the second feeding point, a cancellation electric current being generated in the second feed element; and a radiating element that functions as a radiation conductor when power is supplied by establishing electromagnetic field coupling with the first feed element and the second feed element.

Abstract: An antenna includes a ground plane; a first resonator connected to a feeding point with reference to the ground plane; and a second resonator that is fed power by the first resonator according to an electromagnetic field coupling with no contact. The second resonator includes a first conductor part, and a second conductor part capacitively-coupled to the first conductor part through a gap. A dielectric loss tangent of a substrate part, on which the second resonator is formed, is greater than zero and less than or equal to 0.01.

Abstract: A MIMO antenna includes a plurality of antenna elements respectively including a plurality of conductive elements that are connected to different feeding points from each other; and one or more base members each being directly or indirectly provided at an upper edge portion of a windshield of a vehicle, the conductive elements being provided at either of the base members, wherein D/W, where “W” is a width of an open portion of a window frame at which the windshield is provided and “D” is a minimum distance between the conductive elements of the antenna elements in a direction parallel to the direction of “W”, is less than or equal to 0.35.

Abstract: An antenna structure includes a radiating element; a power feeding element configured to feed power to the radiating element in a noncontact manner; a backlight chassis, on which a light source for generating light is attached, a liquid crystal panel being irradiated with the light; and a transmission line conductably connected to the backlight chassis, the power feeding element being connected to an end of the transmission line.

Abstract: An electronic apparatus includes a control portion (1) including: an installation portion (11) that associates the user who performs installation with the installed program; and a program use control portion (17) that permits all users to use a first installed program associated with a first user and permit a second user and a third user who attempts to install a second installed program associated with the second user to use the second installed program. When the third user who is a user other than an administrator attempts to install an application program that the third user is not permitted to use, if the application program is the second installed program, the installation portion (11) does not perform installation and causes the program use control portion (17) to permit the third user to use the second installed program.

Abstract: Provided is an image forming apparatus having a control circuit. The control circuit includes a standard application execution circuit, an apparatus control platform, and a standard application control circuit. The standard application execution circuit has the standard application execution service that executes a standard application. The apparatus control platform includes control service, apparatus control execution service, and an apparatus control management service. The control service controls hardware on an operating system. The apparatus control execution service executes the control service with an interface that is an executing procedure of the control service. The apparatus control management service instructs a call of the control service to the apparatus control execution service. The standard application control circuit manages a state of the standard application and provides an interface for using the hardware resources of the standard application execution service.