Abstract: Provided is a block compactor equipped with a brake mechanism capable of securely locking rollers with a simple structure and stably maintaining a locked state and an unlocked state even when exposed to vibration. A brake pad 12 is fixed to a lower end portion of a brake shaft 11 and is configured to be rotatable together with the brake shaft 11 between two rollers 5 adjacent in the front and rear. By rotating a brake lever 13, the brake pad 12 can be switched between an unlocked state in which the brake pad 12 does not contact with the outer circumferential surfaces of the rollers 5, and the rollers 5 are free to rotate, and a locked state in which the brake pad 12 contacts with the outer circumferential surfaces of the rollers 5, and the rollers 5 cannot rotate with the friction force.

Abstract: A zoom lens having a large magnification ratio, small F-number change at zooming, and excellently corrected various aberrations, and an image pickup apparatus including the zoom lens are provided. The zoom lens includes a common optical system. The common optical system includes, sequentially from an object side, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power, a fourth lens group G4 having negative refractive power, and a fifth lens group G5 having positive refractive power. In the common optical system, all intervals between each pair of adjacent lens groups change at zooming, and a distance between the fifth lens group G5 and an image plane is constant.

Abstract: A non-transitory recording medium storing a computer readable program causes a computer included in a portable terminal to communicate with an image forming device to execute: a) a step of acquiring communication information from the image forming device via first wireless communication, the communication information being information for executing second wireless communication; b) a step of executing processing of confirming existence of a user who possesses the portable terminal in the vicinity of the image forming device; and c) a step of, on condition that existence of the user in the vicinity of the image forming device is confirmed in the step b), permitting registration processing of registering the communication information in the portable terminal in order to execute the second wireless communication, the communication information being communication information for the second wireless communication with the image forming device and being acquired in the step a).

Abstract: A zoom lens includes a front unit having a negative refractive power; and a rear unit having a positive refractive power, which includes an aperture stop. The front unit includes a first negative refractive power lens, a second negative refractive power lens, and a third positive refractive power lens. The first lens is nearest to an object, and has a meniscus shape with a convex surface directed toward the object side, and the second lens is on an image side of the first lens, and has a meniscus shape with a convex surface directed toward the object side. The rear unit includes a first lens unit A and a second lens unit B, wherein when zooming from a wide angle end to a telephoto end, a distance between the front unit and the rear unit narrows, and a distance between the first lens unit A and the second lens unit B changes. The first lens unit A includes a first sub-lens unit having a positive refractive power, the aperture stop, and a second sub-lens unit.

Abstract: An image processing apparatus includes: a processor; a first interface that acquires information for user authentication; a second interface that acquires information for user identification; and a memory that stores a customization information table defining information for customizing an operation screen displayed on the first interface. The processor displays: when the first interface acquires the information for the user authentication, an operation screen customized, using the customization information table, for a user authenticated through the user authentication as the operation screen, and when the first interface does not acquire the information for the user authentication, an operation screen customized, using the customization information table, for a user identified by the information acquired by the second interface as the operation screen.

Abstract: An image processing apparatus that communicates with at least one server includes: a hardware processor that: receives an input of a schedule of maintenance on the server; transmits information to the server; prohibits transmission processing of information to the server during a maintenance period on the basis of the schedule received by the hardware processor; and a storage that stores information indicating prohibition of the transmission processing by the hardware processor, wherein the hardware processor transmits the information stored in the storage to the server after completion of maintenance of the server on the basis of the schedule.

Abstract: A non-transitory recording medium storing a computer readable program causes a computer included in a portable terminal to communicate with an image forming device to execute: a) a step of acquiring communication information from the image forming device via first wireless communication, the communication information being information for executing second wireless communication; b) a step of executing processing of confirming existence of a user who possesses the portable terminal in the vicinity of the image forming device; and c) a step of, on condition that existence of the user in the vicinity of the image forming device is confirmed in the step b), permitting registration processing of registering the communication information in the portable terminal in order to execute the second wireless communication, the communication information being communication information for the second wireless communication with the image forming device and being acquired in the step a).

Abstract: An image processing apparatus includes: a processor; a first interface that acquires information for user authentication; a second interface that acquires information for user identification; and a memory that stores a customization information table defining information for customizing an operation screen displayed on the first interface. The processor displays: when the first interface acquires the information for the user authentication, an operation screen customized, using the customization information table, for a user authenticated through the user authentication as the operation screen, and when the first interface does not acquire the information for the user authentication, an operation screen customized, using the customization information table, for a user identified by the information acquired by the second interface as the operation screen.

Abstract: A non-transitory recording medium storing a computer readable program causes a computer included in a portable terminal to communicate with an image forming device to execute: a) a step of acquiring communication information from the image forming device via first wireless communication, the communication information being information for executing second wireless communication; b) a step of executing processing of confirming existence of a user who possesses the portable terminal in the vicinity of the image forming device; and c) a step of, on condition that existence of the user in the vicinity of the image forming device is confirmed in the step b), permitting registration processing of registering the communication information in the portable terminal in order to execute the second wireless communication, the communication information being communication information for the second wireless communication with the image forming device and being acquired in the step a).

Abstract: An authentication system for performing biometric authentication through one-to-many authentication includes a biological information reader that reads biological information on a to-be-authenticated user as input information for the one-to-many authentication, a detector that detects a nearby terminal that is a mobile terminal present in close proximity to the biological information reader among a plurality of mobile terminals carried respectively by a plurality of users, and a hardware processor that determines at least one piece of biological information registered in association with each user of at least one mobile terminal each detected as the nearby terminal among a plurality of pieces of biological information registered in advance as candidates for check target information for the one-to-many authentication, as the check target information that is information targeted for processing for checking against the input information for the one-to-many authentication.

Abstract: An information processing device includes a first wireless communicator that establishes a short-range wireless communication with a first image forming device in a local network and a second wireless communicator that establishes a wireless communication with a wireless communicator device connected to the local network, comprising a hardware processor that: enables the first wireless communicator to establish the short-range wireless communication with the first image forming device, thereby obtaining an IP address of the first image forming device in the local network; and enables the second wireless communicator to send a search command for searching for a second image forming device in the local network to the local network using unicast transmission via the wireless communicator device based on the IP address of the first image forming device.

Abstract: A non-transitory recording medium storing a computer readable program causes a computer included in a portable terminal to communicate with an image forming device to execute: a) a step of acquiring communication information from the image forming device via first wireless communication, the communication information being information for executing second wireless communication; b) a step of executing processing of confirming existence of a user who possesses the portable terminal in the vicinity of the image forming device; and c) a step of, on condition that existence of the user in the vicinity of the image forming device is confirmed in the step b), permitting registration processing of registering the communication information in the portable terminal in order to execute the second wireless communication, the communication information being communication information for the second wireless communication with the image forming device and being acquired in the step a).

Abstract: A single focal length lens includes an aperture stop and first through fourth lens units having, respectively, negative refractive power, positive refractive power, negative refractive power, and positive refractive power. Positions of the first, second, and fourth lens units are fixed. When focusing from an object at infinity to an object at a short distance, the third lens unit moves toward the image side. Conditional expressions (1), (2), and (3) are satisfied: ?5<f1/f<?0.5??(1), ?10<f3/f<?1??(2), and 0.5<f12/f<1??(3), where f1 denotes a focal length of the first lens unit, f denotes a focal length of an overall single focal length lens system when focusing to an object at infinity, f3 denotes a focal length of the third lens unit, and f12 denotes a combined focal length of the first and second lens units.

Abstract: A non-transitory recording medium storing a computer readable program causes a computer included in a portable terminal to communicate with an image forming device to execute: a) a step of acquiring communication information from the image forming device via first wireless communication, the communication information being information for executing second wireless communication; b) a step of executing processing of confirming existence of a user who possesses the portable terminal in the vicinity of the image forming device; and c) a step of, on condition that existence of the user in the vicinity of the image forming device is confirmed in the step b), permitting registration processing of registering the communication information in the portable terminal in order to execute the second wireless communication, the communication information being communication information for the second wireless communication with the image forming device and being acquired in the step a).

Abstract: A zoom lens includes a front unit having a negative refractive power; and a rear unit having a positive refractive power, which includes an aperture stop. The front unit includes a first negative refractive power lens, a second negative refractive power lens, and a third positive refractive power lens. The first lens is nearest to an object, and has a meniscus shape with a convex surface directed toward the object side, and the second lens is on an image side of the first lens, and has a meniscus shape with a convex surface directed toward the object side. The rear unit includes a first lens unit A and a second lens unit B, wherein when zooming from a wide angle end to a telephoto end, a distance between the front unit and the rear unit narrows, and a distance between the first lens unit A and the second lens unit B changes. The first lens unit A includes a first sub-lens unit having a positive refractive power, the aperture stop, and a second sub-lens unit.

Abstract: An image processing apparatus that communicates with at least one server includes: a hardware processor that: receives an input of a schedule of maintenance on the server; transmits information to the server; prohibits transmission processing of information to the server during a maintenance period on the basis of the schedule received by the hardware processor; and a storage that stores information indicating prohibition of the transmission processing by the hardware processor, wherein the hardware processor transmits the information stored in the storage to the server after completion of maintenance of the server on the basis of the schedule.

Abstract: A non-transitory recording medium storing a computer readable program causes a computer incorporated in a mobile terminal to execute the steps of: a) acquiring apparatus specifying information in order for a user to determine whether an information processing apparatus to cooperate with the mobile terminal is a desired information processing apparatus using a proximity wireless communication with the information processing apparatus; b) displaying, on an operation unit of the mobile terminal, a confirmation message which is a confirmation message to confirm execution of a cooperative action with the information processing apparatus and includes the apparatus specifying information; and c) executing the cooperative action in response to a confirmation operation to the confirmation message by the user.

Abstract: A zoom lens includes a front unit having a negative refractive power and a rear unit having a positive refractive power, which includes an aperture stop, and the front unit includes a first lens having a negative refractive power, and the first lens has a meniscus shape of which a convex surface is directed toward the object side, and the rear unit includes a first lens unit A and a second lens unit B, and at the time of zooming from a wide angle end to a telephoto end, a distance between the front unit and the rear unit changes.

Abstract: A box-shaped protective cover that covers an upper structural portion of a body of a vibrating compactor is manufactured by executing a cutting process for fashioning a single metal plate into a shape including a first planar portion, a second planar portion, an intermediate portion, and a plurality of side flaps, a bending process for bending or curving the side flaps and the intermediate portion, and a welding process for welding a side flap of the first planar portion to a side flap of the second planar portion.

Abstract: An information processing device includes a first wireless communicator that establishes a short-range wireless communication with a first image forming device in a local network and a second wireless communicator that establishes a wireless communication with a wireless communicator device connected to the local network, comprising a hardware processor that: enables the first wireless communicator to establish the short-range wireless communication with the first image forming device, thereby obtaining an IP address of the first image forming device in the local network; and enables the second wireless communicator to send a search command for searching for a second image forming device in the local network to the local network using unicast transmission via the wireless communicator device based on the IP address of the first image forming device.