Abstract: A waste paper recycling apparatus includes a liquid ejection device which receives a first liquid and a second liquid different from the first liquid; a receiving portion receiving a selection operation which selects one of the first liquid and the second liquid which is adhered to a predetermined region of a sheet containing fibers formed from waste paper; and a control portion which controls the liquid ejection device to adhere the liquid selected by the selection operation to the predetermined region. In the waste paper recycling apparatus, the first liquid contains a binder which binds fibers together, and the second liquid contains a pigment and a binder which binds fibers together.

Abstract: A fiber body forming method includes a step of applying a liquid to a web containing fibers, the liquid contains resin particles which bind the fibers, and the liquid has a surface tension of 50 mN/m or less at 20° C.

Abstract: A sheet processing device includes a liquid ejection unit which adheres a liquid containing a binder which binds fibers together to a predetermined region of a sheet and a cutting portion which cuts out the region to which the liquid is adhered.

Abstract: A fiber body forming method includes a step of preparing a web which contains fibers and which has a bulk density of 0.09 g/cm3 or more; and a step of applying a liquid containing a binder which binds the fibers together to the web.

Abstract: A wireless communication unit transmits and receives signals to and from a base station and measures the received quality of downlink signals. A position information acquisition unit acquires position information on a mobile station. A measurement information management unit acquires the position information, received quality information, and received quality information that is measurement result of received quality of uplink signals from the mobile station, and stores measurement information which is received quality information on signals transmitted and received between the mobile station and the base station. A communication connection control unit acquires the position information from the position information acquisition unit, and performs a handover when a position of the mobile station is a handover position so as to switch base stations to be connected.

Abstract: An ink set includes a reaction liquid containing coagulant; a first ink containing a color material; and a second ink containing a color material. The ink set is used for recording on a non-absorptive recording medium or a low-absorptive recording medium and for imparting the reaction liquid, the first ink, and the second ink to the recording medium in a superimposed manner in this order.

Abstract: An ink composition contains water, at least one surfactant, and a pigment. The pigment has a specific surface area of 10 m2/g or more and 50 m2/g or less as determined by pulsed NMR at 30° C.

Abstract: An object detection apparatus drives a piezoelectric vibrator to transmit an ultrasonic wave, and receives a reflected wave that is reflected from an object. The object detection apparatus includes the piezoelectric vibrator, a drive circuit that supplies drive power which drives the piezoelectric vibrator, and a resistor section that is connected in parallel with the piezoelectric vibrator and has a resistance value that is variable.

Abstract: A train control system controls an operation of a train by transmitting and receiving, between an on-vehicle wireless station mounted on the train and a ground wireless base station, information that includes train control information by wireless communication. General transmission information, which is information included in the information that includes the train control information and is transmitted only once from the ground wireless base station to the on-vehicle wireless station. The train control information is transmitted repeatedly a plurality of times from the ground wireless base station to the on-vehicle wireless station. Among the repeatedly transmitted train control information, the on-vehicle wireless station uses, for an operation of the train, a piece of train control information, which the on-vehicle wireless station receives without lack of data lack for a first time.

Abstract: An interference detection apparatus in a wireless system that includes a plurality of wireless sensors that transmits sensor information wirelessly and a wireless signal measurement apparatus that measures power of a wireless signal of a frequency used by the wireless sensors for transmitting the sensor information. The interference detection apparatus includes an information processor; an interference position detector; and an interference avoidance method decider. The information processor determines a lack in reception of the sensor information transmitted from each of the wireless sensors. The interference position detector acquires a histogram that is created for a predetermined power measurement period and indicates time occupancy in the power measurement period of each of classes of classified power values.

Abstract: An ink set includes a reaction liquid containing coagulant; a first ink containing a color material; and a second ink containing a color material. The ink set is used for recording on a non-absorptive recording medium or a low-absorptive recording medium and for imparting the reaction liquid, the first ink, and the second ink to the recording medium in a superimposed manner in this order.

Abstract: An object detection device includes: a transceiver section that transmits an ultrasonic wave and receives an ultrasonic wave including a reflected wave of the transmitted ultrasonic wave, and outputs a signal in accordance with a wavelength of the received ultrasonic wave; a frequency control section that changes a frequency of the ultrasonic wave transmitted by the transceiver section to a plurality of frequencies different from a driving frequency used to detect the distance from the object; and a fault determination section that determines whether a fault occurs in the function of detecting the distance from the object due to a value of an environment temperature or a wavelength of the ultrasonic wave transmitted by the transceiver section, based on a value of the signal outputted from the transceiver section when the transceiver section transmits the ultrasonic wave at a selected one of the frequencies different from the driving frequency.

Abstract: A recording method is provided that includes a step of making a record on a recording medium using an ink composition containing a colorant, an organic compound, and water to obtain a recording article. The amount (W1) of moisture in the recording article after one second from recording and the amount (W5) of moisture in the recording article after five seconds from recording satisfy the following relational formulas: W1?2.0 [mg/inch2]??(1) 5.0[%]?(W1?W5)×100/W1?30[%]??(2).

Abstract: A ground radio station of a radio communication system which includes a plurality of ground radio stations placed along a movement path of a mobile radio station and in which the mobile radio station switches the ground radio stations to connect to as the mobile radio station moves, the ground radio station including; a radio controller to reserve a radio resource for the mobile radio station in a case where, before the mobile radio station communicates with the ground radio station, the mobile radio station communicates with another ground radio station adjacent to the ground radio station; and a communication-status monitor to monitor a radio signal sent from the mobile radio station to the another ground radio station, wherein, when the communication-status monitor detects that the radio signal is not received for a predetermined time, the communication-status monitor checks communication status between the mobile radio station and the another ground radio station, and wherein, when the communication-statu

Abstract: An object detection device is applied to an object detection system configured such that connection to a control device is made via a communication line to perform power supply via the communication line and a signal is superimposed on current flowing through the communication line to transfer information. The object detection device is configured to drive a piezoelectric vibrator in a predetermined control period and transmit a survey wave and receive a wave reflected by an object. The object detection device includes a capacitor connected in parallel with a driver circuit configured to drive the piezoelectric vibrator, and a current control unit configured to control the current value of the communication line after the end of supplying power to the driver circuit.

Abstract: An on-board wireless apparatus mounted on one vehicle constituting a train includes a wireless reception unit capable of receiving a wireless signal transmitted from a ground wireless apparatus installed on the ground, and a wireless transmission unit capable of transmitting a wireless signal to the ground wireless apparatus. In the on-board wireless apparatus, a parameter indicating reliability of wireless communication is different between wireless communication between the on-board wireless apparatus and the ground wireless apparatus, and wireless communication between another on-board wireless apparatus mounted on the same vehicle on which the on-board wireless apparatus is mounted and the ground wireless apparatus.

Abstract: An ultrasonic sensor, that transmits probe waves which are ultrasonic waves and acquires detection waves including reflected waves which have been reflected from surrounding objects, includes a transmitter/receiver that transmits the probe waves and acquires the detection waves, a detection wave processing section that executes processing for passing a predetermined frequency band which includes the frequency of the probe waves, an amplitude measurement section which measures the amplitude of the detection waves, and a judgement section which judges whether there is adherence of foreign matter on the transmitter/receiver, based on a relationship between a time axis and values of the amplitude of the detection waves during a reverberation interval following the termination of transmitting the probe waves.

Abstract: An object detection device is applied to an object detection system configured such that connection to a control device is made via a communication line to perform power supply via the communication line and a signal is superimposed on current flowing through the communication line to transfer information. The object detection device is configured to drive a piezoelectric vibrator in a predetermined control period and transmit a survey wave and receive a wave reflected by an object. The object detection device includes a capacitor connected in parallel with a driver circuit configured to drive the piezoelectric vibrator, and a current control unit configured to control the current value of the communication line after the end of supplying power to the driver circuit.

Abstract: An ink composition of the invention is an ink composition to be charged in an ink storage container which includes an ink composition-replenishable ink chamber and an ink inlet, and the ink chamber is able to communicate with outside air. The ink composition includes a pigment; an organic compound; and water, and a resolubility index is 0.5 to 10 minutes, the resolubility index indicating a time required for that after the mass of the ink composition is decreased by 50%, the viscosity thereof is returned to an ink viscosity before the mass is decreased by addition of water in an amount equivalent to the decreased mass.

Abstract: A manufacturing method for a joint part in which a first metal piece and a second metal piece are joined to each other by performing welding by irradiating a high-energy beam to a joint surface on which the first metal piece and the second metal piece face each other, the first metal piece including a first flow path for passage of a fluid provided at a specific depth from a surface on a side exposed to the high-energy beam, the second metal piece including a second flow path for passage of the fluid provided at a specific depth from the surface on the side exposed to the high-energy beam, and the first flow path and the second flow path being coupled to each other on the joint surface.