Abstract: A maintenance method for a zirconia-type oxygen analyzer that uses a zirconia sensor to measure oxygen concentration of a gas to be measured includes storing in a memory, by the zirconia-type oxygen analyzer, an internal resistance of the zirconia sensor and/or a calibration coefficient for correcting, based on a measured value of a physical quantity measured by the zirconia sensor for a standard gas having a known oxygen concentration, a formula for converting a measured value of a physical quantity measured by the zirconia sensor into the oxygen concentration of the gas to be measured, determining, by an information processing apparatus, the timing for performing maintenance on the zirconia sensor based on a change over time in the internal resistance and/or calibration coefficient stored in the memory, and presenting, by the information processing apparatus, the timing for performing maintenance on the zirconia sensor.

Abstract: A water sampling method including: a detection step of detecting an index value related to an amount of microorganisms in a liquid flowing through a flow channel; a determination step of determining whether the index value detected in the detection step has reached a threshold value; and a water sampling step of, when determining in the determination step that the index value has reached the threshold value, sampling via a water sampling flow channel the liquid flowing through the flow channel as a liquid sample to be used for measurement of the microorganisms.

Abstract: The current measurement device (1, 2) includes a first sensor (SE1) configured to detect a direct current magnetic field and a low-frequency alternating current magnetic field generated due to the current (1) flowing through the conductor (MC) to be measured, a second sensor (SE2) configured to detect alternating current magnetic fields from a low frequency to a high frequency generated due to the current (I) flowing through the conductor to be measured, a first calculator (21, 21A) configured to calculate the current flowing through the conductor to be measured from a detection result of the first sensor using distance information indicating a distance (r) between the first sensor (SE1) and the conductor (MC) to be measured, a second calculator (22) configured to calculate the current flowing through the conductor to be measured from a detection result of the second sensor, and a synthesizer (23) configured to synthesize a calculation result of the first calculator with a calculation result of the second cal

Abstract: There is provided an apparatus comprising: a display control unit configured to cause a display screen to display text; a first detection unit configured to detect a subject area which a user is looking at in the text; a second detection unit configured to detect a slow area where a moving speed of the subject area decreases; a storage unit configured to store a piece of location information of each slow area in the text; and a statistics unit configured to perform a statistical processing on the pieces of location information stored by the storage unit.

Abstract: A force detector includes a layered structure including a first layer and a second layer. The first layer includes a detection face that receives a force to be detected and the second layer is disposed on a face opposite to the detection face. A Young's modulus of the first layer is different from a Young's modulus of the second layer. The force detector further includes a stress generator formed in the layered structure and that receives the force acting in a tangential direction of the detection face and generates a stress with a distribution that is asymmetric with respect to a normal direction of the detection face around the stress generator. The force detector further includes a plurality of sensors disposed around the stress generator.

Abstract: A data analysis system includes: a memory; and a processor connected to the memory and that acquires data to be analyzed. The data to be analyzed includes parameters relating to a production element of a product produced in each of production batches; and an indicator for evaluating the product. The processor outputs, to the memory, the acquired data to be analyzed. The memory stores, in each of the production batches, the parameters and the indicator associated with the parameters. The processor calculates a correlation feature value for each of the production batches based on a correlation between the parameters and data of the correlation and the parameters. The processor causes a display to display the calculated feature value.

Abstract: A state detection apparatus includes a communication circuit that transmits information to an external apparatus, a control circuit that operates the communication circuit at a first timing, a battery that supplies electric power to the communication and control circuits, and a first explosion-proof barrier connected between a contact circuit and the control circuit. The control circuit applies a test signal, generated based on voltage from the battery, to the contact circuit at a second timing arriving at shorter intervals than the first timing, acquires a detection signal indicating current flow in the contact circuit due to test signal application, and regardless of the first timing, operates the communication circuit when the detection signal is acquired to transmit to the external apparatus that the state of a device connected to the contact circuit is abnormal.

Abstract: An analysis apparatus (1) includes a housing unit (10) that houses a biological sample (S), a staining dispenser unit (20) that fluorescently stains the biological sample (S), an image acquisition unit (30) that acquires an image of the biological sample (S), a washer unit (40) that destains the biological sample (S), a drive unit (50), and a control unit (90) that analyzes the image and controls the drive unit (50). The control unit (90) performs adjustments so that the staining dispenser unit (20) and the housing unit (10) satisfy a first position condition, performs adjustments so that the image acquisition unit (30) and the housing unit (10) satisfy a second position condition, and performs adjustments so that the washer unit (40) and the housing unit (10) satisfy a third position condition. The analysis apparatus (1) maximizes the actual photography range of information related to the biological sample.

Abstract: Provided is an apparatus including: a first storage unit configured to store image data captured by a plurality of monitoring cameras disposed in a plurality of restricted areas in which entry is restricted by a plurality of electric locks according to an authority associated with each piece of authentication information; and an access control unit configured to permit only a registrant corresponding to the authentication information that allows entry into the restricted area to access the image data captured in the restricted area by any of the plurality of monitoring cameras.

Abstract: Provided is a device that includes: a monitoring camera that is arranged at an entrance where an electric lock, which can read a unique ID of each key to be used, is installed, a detection unit configured to detect an operation of the electric lock, and a control unit configured to associate the unique ID of a used key with image data captured by the monitoring camera when an operation of the electric lock has been detected.

Abstract: An absolute thickness distribution cannot be accurately calculated with a conventional technique. A sensor device is provided that includes a plurality of magnetic sensors arranged to face an outer circumference surface of a pipeline and ultrasonic sensors arranged to face the outer circumference surface and measure a thickness of the pipeline in a measurement region in which the plurality of magnetic sensors measure a magnetic field, the ultrasonic sensors being less than the plurality of magnetic sensors.

Abstract: The magnetic detector 1 according to the present disclosure includes a transmission line 10 having a linear first conductor 11 including a magnetic material, a signal generator 30 configured to input a pulse as an incident wave to the transmission line 10, and a calculator 20 configured to detect a reflected wave caused by impedance mismatching at a magnetic field application position of the transmission line 10 and the incident wave. The calculator 20 calculates a position and a strength of the magnetic field applied to the transmission line 10 on the basis of the incident wave and the reflected wave.

Abstract: Provided is a control apparatus including an acquisition unit configured to acquire a measurement value measured regarding control target equipment, a first control unit configured to output an operation amount of the control target equipment according to the measurement value by at least one of feedback control or feed-forward control, a second control unit configured to output an operation amount of the control target equipment according to the measurement value using a model learnt by using learning data, and a switching unit configured to perform switching between the first control unit and the second control unit by which the control target equipment is controlled.

Abstract: A field device (10) includes a sensor (11) that measures a physical quantity and outputs a measurement signal indicating a measured value, converters (12, 15, 16) that perform a predetermined conversion process on the measurement signal, and a processor (17) that outputs an output signal corresponding to the measurement signal subjected to the conversion process. The processor (17) starts verifying operational soundness of the converters (12, 15, 16) when the measurement signal subjected to the conversion process satisfies a predetermined condition, and outputs, while the operational soundness of the converters (12, 15, 16) is being verified, a signal corresponding to the measurement signal subjected to the conversion process and acquired immediately before the operational soundness of the converters (12, 15, 16) is verified, or a signal corresponding to the measurement signal indicating a predetermined measured value of the sensor (11), as the output signal.

Abstract: A terminal apparatus includes: a communication interface that acquires data output from a data output apparatus and supplies power to the data output apparatus; a storage that writes the data to a medium; a controller that controls the storage; a power supply that supplies power to the storage; and a power receiver that receives power from an external power source and supplies power to the communication interface and the power supply. In response to detecting a power outage and/or a voltage drop of the external power source, the controller controls the communication interface to stop supplying power to the data output apparatus.

Abstract: An information processing apparatus including a processor that receives a selection from a user of a region, in a drawing in which elements are indicated by graphics, that contains the graphics, extracts from the drawing one or more first elements, indicated by the graphics, that are completely contained within the region for which the selection is received, extracts from the drawing one or more second elements, indicated by the graphics, that intersect a boundary of the region for which the selection is received, extracts a third element from the one or more second elements based on a positional relationship between the graphics indicating the one or more second elements and the boundary, and stores a set of elements including the one or more first elements and the third element in a storage as an element group selected by the user.

Abstract: A primary machine includes a primary virtual machine including a synchronization information generator configured to generate and output synchronization information based on an instruction and a result of execution of the instruction, and a fault selector configured to determine a type of fault information generated when the instruction was executed. The primary VM changes operation depending on a result of the determination of the type of fault information.

Abstract: A measuring device includes: a first electrode and a second electrode immersed in sample water stored in a measuring tank; a motor that rotates the first electrode; and a controller that operates, based on measurement results of current flowing through the sample water, in a measuring mode. In the measuring mode, the controller calculates a concentration of a measurement target in the sample water. The motor changes a rotational velocity of the motor.

Abstract: Provided is a diagnostic apparatus, including a diagnostic unit configured to diagnose a condition of a vortex flowmeter using a determination result of a magnitude of a signal component of each of at least one target detection signal among the at least one detection signal detected by the vortex flowmeter having a vortex generator and a detection unit configured to detect at least one detection signal according to a vortex generated by the vortex generator, or a magnitude of a signal component of at least one of combined signals configured to linearly combine two or more of the at least one detection signal.

Abstract: An optical device 1 includes: an optical element block 10 including optical elements that form an optical path P of light used for optical measurement, arranged around a measurement subject S so that the optical path P intersects the measurement subject S; and a rotation mechanism 20 configured to change an angle of the optical element block 10 relative to the measurement subject S so that the total length of the portion of the optical path P coincident with the measurement subject S changes.