Abstract: A liquid chromatographic system includes a column, a needle, a valve, a pump, and an analysis flow path. The valve sets the analysis flow path by switching between a first flow path through which an eluent flows from the valve to the column via the needle and a second flow path through which the eluent flows from the valve to the column not via the needle. The first flow path can be cleaned by drive of a first cleaning pump while the first flow path is set, and the second flow path can be cleaned by drive of the first cleaning pump while the second flow path is set.

Abstract: A liquid chromatographic system includes a first cleaning pump that supplies a cleaning solution to a first valve, a selector valve connected to a first column and a second column, the selector valve switching an object to be connected to a detector that analyzes a separated sample between the first column and the second column, and a controller. The controller can have the first cleaning pump driven to clean the selector valve with the cleaning solution that flows through a first analysis flow path.

Abstract: In a liquid chromatographic system, a processor is configured to analyze a sample through a first stream which is an analysis flow path including a first column, to obtain at least one of a result of analysis for quality control of the first stream and information that specifies a sample to be analyzed in the first stream, to specify, among two or more combinations of a cleaning method and a cleaning execution condition, a first combination including an execution condition to which at least one of the result of analysis for quality control and the information corresponds, and to drive one or more cleaning pumps in accordance with the cleaning method included in the first combination.

Abstract: Provided is a filter capable of suppressing variation in characteristics. A filter has: a plurality of resonators each having a via electrode and a first strip line that is opposed to a first shielding conductor and connected to one end of the via electrode; a first coupling capacitive electrode that has a first comb-shaped electrode including a plurality of first electrodes and that is provided to the first resonator; and a second coupling capacitive electrode that is provided to the second resonator, that has a second comb-shaped electrode including a plurality of second electrodes, and that is formed on the same layer as that of the first coupling capacitive electrode, wherein the first and second electrodes are arranged so as to be adjacent to each other.

Abstract: A filter device includes an unbalanced terminal, balanced terminals, and first and second resonant circuits. The first resonant circuit is connected to the unbalanced terminal. The second resonant circuit is connected to the balanced terminals and electromagnetically coupled with the first resonant circuit. The first resonant circuit includes a resonator in which an inductor and a capacitor are connected in parallel between the unbalanced terminal and a reference potential. The second resonant circuit includes a resonator including an inductor connected between the balanced terminals and capacitors connected in series between the balanced terminals.

Abstract: Provided are a resonator having a good Q value and a filter using the resonator. The resonator has: a via electrode portion formed inside a dielectric substrate; a plurality of shielding conductors formed on the dielectric substrate to surround the via electrode portion; a first strip line which is connected to one end of the via electrode portion in the dielectric substrate and faces a first shielding conductor among the plurality of shielding conductors; and a second strip line which is connected to the other end of the via electrode portion in the dielectric substrate and faces a second shielding conductor among the plurality of shielding conductors.

Abstract: A filter device includes an input terminal, an output terminal, a main body, a common electrode provided to the main body, a ground terminal, and LC parallel resonators connected to the common electrode and the ground terminal. Each LC parallel resonator includes a capacitor, a first via, and a second via. One end of the first via is connected to the common electrode, and another end thereof is connected to the ground terminal through the capacitor. One end of the second via is connected to the common electrode, and another end thereof is connected to the ground terminal without through the capacitor. The second via is connected between portions of the common electrode to which the first vias of two adjacent resonators are connected.

Abstract: An LC resonator includes first and second plane electrodes, a first line electrode, a first and second via conductors, and a third plane electrode. The second plane electrode is opposed to at least a portion of the first plane electrode in a specific direction. The first via conductor and the second via conductor extend from the first line electrode in the specific direction to be connected to the first plane electrode and the second plane electrode, respectively. The third plane electrode is opposed to at least a portion of the second plane electrode in the specific direction. The second plane electrode is between the first plane electrode and the third plane electrode in the specific direction.

Abstract: The present invention provides a compact filter with excellent characteristics. This filter has a plurality of resonators, each of which having: via electrode parts formed inside a dielectric substrate; and a first strip line that faces a first shielding conductor of a plurality of shielding conductors formed so as to surround the via electrode parts, the first strip line being connected to one end of the via electrode parts. The positions of the via electrode parts of the first resonator of the plurality of resonators, and the positions of the via electrode parts of the second resonator, which is adjacent to the first resonator, are mutually offset in a first direction (X), which is the longitudinal direction of the first strip line.

Abstract: An underwater polishing system according to the present disclosure includes a tank, a robot, and a polishing machine. In a state where a workpiece held by an arm portion of the robot, at least a part of a second rotating roller and at least a part of a polishing tool of the polishing machine are immersed in a liquid stored in the tank, the held workpiece is polished by operating the arm portion of the robot and pressing the held workpiece against the polishing tool.

Abstract: A liquid feeding device includes a discharge channel, a pump part, a feeding pressure sensor, a non-discharge pressure sensor, a pre-compression part, and a pre-compression speed determination part. The pump part has plunger pumps connected in series or parallel. At least one of the plunger pumps is a closed pump in which communication with the discharge channel is disconnected during a non-discharge time. The pre-compression part causes the closed pump that is after the suction process for sucking the liquid into a pump chamber is completed and during the non-discharge time to execute a pre-compression process to perform a discharge operation until a non-discharge pressure is substantially the same as a feeding pressure based on output of the feeding pressure sensor and output of the non-discharge pressure sensor. The pre-compression speed determination part determines a pre-compression speed of the closed pump in the pre-compression process.

Abstract: A multilayer filter includes first and second ground electrodes and first and second LC resonators. The first LC resonator includes a first line electrode, a first capacitor electrode, a first via conductor, and a second via conductor. The second via conductor extends from the first line electrode to a first capacitor electrode side and connects the first line electrode and the first ground electrode. The second LC resonator includes a second line electrode, a second capacitor electrode, a third via conductor, and a fourth via conductor. The fourth via conductor extends from the second line electrode to a second capacitor electrode side and connects the second line electrode and the second ground electrode.

Abstract: In an imaging system according to an embodiment, a camera unit and an information-processing unit are connected to each other by differential-signal transmission lines. The camera unit includes a solid-state imaging device and an output driver. The solid-state imaging device is configured to operate on the basis of a power source voltage higher than a substrate voltage and generate imaging data. The output driver is configured to output a differential signal of the imaging data to the differential-signal transmission lines. The information-processing unit includes a voltage generator and a de-emphasis circuit. The voltage generator is configured to generate a reference voltage higher than the substrate voltage and lower than the power source voltage. The de-emphasis circuit is configured to control an amplitude of the differential signal by using the substrate voltage and the reference voltage.

Abstract: A multilayer LC filter includes a multilayer body in which insulator layers, a ground electrode, capacitor electrodes, a planar electrode, and via electrodes includes open-side via electrodes connecting the capacitor electrodes and the planar electrode and short-circuit side via electrodes connecting the planar electrode and the ground electrode, an inductor is provided by a conductive path extending from the capacitor electrodes to the ground electrode through the open-side via electrodes, the planar electrode, and the short-circuit side via electrodes, a capacitor is provided by capacitance generated between the ground electrode and the capacitor electrodes, the inductor and the capacitor are connected in parallel to define LC resonators, and it is assumed that the short-circuit side via electrodes of all of the LC resonators in the multilayer body are made common.

Abstract: A liquid chromatographic system (1) includes an analysis flow path (12) to which at least one liquid sending pump (14) is connected and through which liquid that is sent by the liquid sending pump (14) flows, a sample injector (4) that injects a sample into the analysis flow path (12), a separation column (6) that is provided on the analysis flow path (12) and is to separate a sample that has been injected into the analysis flow path (12) into components, a detector (8) that is provided on the analysis flow path (12) and is to detect sample components obtained by separation in the separation column (6), a system configuration specifier (26) that specifies a count and a connection structure of the liquid sending pumps (14) connected to the analysis flow path (12) as a system configuration, a condition holder (18) holding a condition that is for detection of a liquid sending failure of the liquid sending pump (14) and is preset in regard to each type of the system configuration, a condition determiner (20) that

Abstract: An analysis system is used to together with a sample supplier that supplies a sample, a detector that detects a sample and a display, and includes a plurality of channels arranged in parallel with one another and a display controller that causes a display to display a control screen in regard to control of the plurality of channels. Each channel includes a mobile phase supplier that supplies a mobile phase and an analysis column that separates a sample that has been supplied by the sample supplier into components and guides the components to the detector.

Abstract: A catheter includes: an outer tube that includes a lumen; an inner tube that is inserted into the lumen and has a base end portion joined to an intermediate position of the outer tube in an axis direction; a core wire that is inserted into the lumen and extends to a tip end of the outer tube beyond the base end portion; and a securing portion that is disposed at an intermediate position of an overlapping range in the axis direction, the inner tube and the core wire overlapping each other in the overlapping range, and secures the inner tube or the core wire to the outer tube.

Abstract: A liquid sending failure detector acquires periodically a liquid sending pressure of a liquid sending mechanism consecutively sends liquid using at least one plunger pump that sends liquid by reciprocally driving a plunger such that a fluctuation is read in one driving period of the liquid sending mechanism, and detect a liquid sending failure of the liquid sending mechanism using an acquired liquid sending pressure. The liquid sending failure detector executes a pulsation detection step of obtaining a fluctuation range of the liquid sending pressure in a certain driving period of the liquid sending mechanism and detecting pulsation on a condition that a count of consecutive periods in which the fluctuation range exceeds a predetermined reference value exceeds a predetermined reference count, and a liquid sending failure detection step of detecting a liquid sending failure of the liquid sending mechanism when the pulsation is detected in the pulsation detection step.

Abstract: Provided are a resonator and a filter that exhibit preferable characteristics. This resonator has: a via electrode which is formed within a dielectric substrate; a plurality of shielded conductors which are formed in the dielectric substrate so as to surround the via electrode; and a strip line which is connected to the via electrode inside the dielectric substrate and which is disposed so as to at least face the shielded conductors, wherein, of the plurality of shielded conductors, one that is connected to a short-circuited end of the via electrode is capacitatively coupled, across a spacing, to a first input/output terminal and a second input/output terminal.

Abstract: The liquid feeding device includes a discharge speed calculation part configured to calculate a discharge speed v of the plunger pump so that a converted value LATM under an atmospheric pressure of a flow rate LPRE of the mobile phase discharged to the discharge channel from the pump part becomes a set flow rate LSET using a volume V of the mobile phase in the pump chamber of the closing pump immediately before the precompression process is started, a volume ?V reduced due to the precompression process of the mobile phase in the pump chamber of the closing pump, and a feeding pressure P; and a discharge operation controller configured to control a discharge speed of the plunger pump to a discharge speed v calculated by the discharge speed calculation part.