Abstract: A liquid chromatograph that ionizes a sample eluted from a column 113 using an ionization probe 211 connected to the column 113 and analyzes the sample using an ion analyzer 200, the liquid chromatograph includes: a column oven 114 in which the column 113 is accommodated; and a guide mechanism 1, 1141a that is provided inside the column oven 114, permits the column 113 to move in a predetermined direction following movement of the ionization probe 211, and regulates movement in other directions.

Abstract: A readout circuit for a MEMS gyroscope having a seismic mass. The readout circuit includes: an analog amplitude-/phase-locked loop for monitoring the vibrating motion of the seismic mass and for generating a driver signal to excite and maintain a defined vibrating motion of the seismic mass, a selectively activatable sensing front end for providing measured values of the MEMS gyroscope, a selectively activatable phase-locked loop for providing a demodulation clock signal for the sensing front end, and an energy-management unit, which is designed to set a sensing operating mode for the MEMS gyroscope, in which measured values are acquired with the aid of the sensing front end, or to set a standby operating mode for the MEMS gyroscope, in which no measured values are acquired, the energy-management unit activating the sensing front end and the phase-locked loop in the sensing operating mode and deactivates them in the standby operating mode.

Abstract: Compared to amplitude modulated gyroscopes, frequency modulated (FM) gyroscopes have demonstrated excellent long-term stability. A notable limitation with FM gyroscopes is FM operation can decrease short-term stability. Short-term stability is typically quantified via angle random walk (ARW). The present disclosure provides an FM gyroscope ARW minimization method.

Abstract: A developer container includes a casing having a developer accommodating chamber and a waste-developer accommodating chamber, conveying member, a conveying-member accommodating unit, and a supporting member. The conveying member conveys waste developer in a longitudinal direction of the waste-developer accommodating chamber. The conveying-member accommodating unit accommodates the conveying member therein and has a first opening and a second opening. The first opening is provided in an upstream end portion and allows the waste developer to move from outside of the conveying-member accommodating unit to the inside of the conveying-member accommodating unit. The second opening allows the waste-developer to move from the inside of the conveying-member accommodating unit to the waste-developer accommodating chamber. The supporting member is provided on the casing.

Abstract: A method and system is provided for estimating and compensating for gyro bias in gyro-stabilized systems. The method includes comparing an output of a gyroscope to a reference measurement; estimating a bias of the gyroscope based on the comparison using a Kalman filter; and adjusting a control output of the gyro-stabilized system with the estimated bias to maintain a position of the gyro-stabilized system.

Abstract: A gyroscope includes a MEMS sensor having a drive signal input terminal, a drive signal output terminal, and a sense signal output terminal. The gyroscope further includes a quadrature demodulator that demodulates a modulated sense signal and offset canceller circuits that cancel a direct current offset component included in an in-phase signal and a quadrature signal of the sense signal. The gyroscope has a quadrature error detector that detects a quadrature error based on the signals input from the offset canceller circuits and outputs an error signal. The gyroscope also has an IQ corrector circuit that receives the in-phase signal and the quadrature signal of the sense signal as inputs, and outputs a phase signal with a phase based on the error signal.

Abstract: An inertial sensor includes: a substrate; a moving element swinging about a swing axis along a Y-axis; a detection electrode provided at the substrate, overlapping the moving element as viewed in a plan view from a Z-axis direction orthogonal to the Y-axis, and forming an electrostatic capacitance with the moving element; an exposure part provided at an inner side of the detection electrode and exposing a surface facing the moving element, of the substrate; a protrusion overlapping the moving element as viewed in a plan view from the Z-axis direction and protruding toward the moving element from the exposure part of the substrate; and a covered electrode provided at a top of the protrusion and having a same electric potential as the moving element.

Abstract: A filter includes a collecting member that has a pleat and collects particles while allowing wind to pass through, and a holding member that holds the pleat at an end in an elongated direction in which the pleat is elongated. The holding member has a wind-passing portion through which wind flowing along the pleat is allowed to pass.

Abstract: An image forming apparatus includes a transport belt, a first intermediate transfer belt, and a second intermediate transfer belt. The transport belt is disposed along a transport path extending in a vertical direction. The transport belt is configured to transport a recording medium while coming into contact with one surface of the recording medium. The first intermediate transfer belt is configured to sandwich the recording medium together with the transport belt. An image is transferred from the first intermediate transfer belt to the recording medium. The second intermediate transfer belt is disposed above the first intermediate transfer belt. The second intermediate transfer belt is configured to sandwich, together with the transport belt, the recording medium which is in a state where the recording medium is sandwiched between the first intermediate transfer belt and the transport belt. An image being transferred from the second intermediate transfer belt to the recording medium.

Abstract: An image forming apparatus includes: a medium transport path; a first image transport path that is disposed so as to oppose the medium transport path and along which an image to be formed on the medium is transported; an image forming part that forms the image and is disposed adjacent to the first image transport path; and a second image transport path that is disposed so as to oppose the medium transport path, that is located at a distance from the image forming part, and along which an image to be formed on the medium is transported, the second image transport path, the first image transport path, and the medium transport path, together surrounding the image forming part.

Abstract: The control unit controls supply of toner from the toner container to the developing device. The control unit is capable of executing a normal supply in which toner is supplied from the toner container to the developing device based on a detection result of the toner amount detection sensor, and a toner installation mode in which a larger amount of toner than the normal supply is supplied from the toner container to the developing device. When the toner installation mode is selected, the control unit calculates a toner amount T1 required for executing the toner installation mode and a toner remaining amount T2 in the toner container, and prohibits the execution of the toner installation mode when T1>T2.

Abstract: The present invention relates to a method for calibrating magnetometers (20) of an object (1) moving in an ambient magnetic field, the method being characterised in that it comprises the steps of: (a) Acquisition by the magnetometers (20), of at least three measured components of the magnetic field around the magnetometers (20), and by inertial measurement means (11) which are secured to the object (1), of an angular velocity of the object (1); (c) Determination, by data processing means (21), of values of at least one calibration parameter of the magnetometers (20) minimising an expression defined by estimated components of the magnetic field and at least one magnetic equation relating to the angular velocity of the object (1), the estimated components of the magnetic field being a function of the measured components of the magnetic field as well as of calibration parameters of the magnetometers (20), and the at least one magnetic equation assuming that the magnetic field is uniform and stationary aro

Abstract: A method for monitoring operation of an electric submersible pump. The method includes receiving data signals indicating values for a plurality of parameters regarding operation of the electric submersible pumping system; establishing, for at least some of the plurality of parameters, an associated reference signal; and detecting a deviation of one of the parameters from the reference signal associated with that parameter. As a result of the deviation having a rate of change below a predetermined threshold, the method includes updating the value of the reference signal to reflect the deviation. As a result of the deviation having a rate of change above the predetermined threshold, the method includes detecting an event and generating an indication of the event. The indication of the event further depends on a type of the parameter and a direction of the deviation from the reference signal.

Abstract: A sensor element includes a membrane structure suspended on a frame structure, wherein the membrane structure includes a membrane element and an actuator. The membrane structure is deflectable in a first stable deflection state and in a second stable deflection state and is operable in a resonance mode in at least one of the first and the second stable deflection states. The actuator is configured to deflect the membrane structure in a first actuation state into one of the first and the second stable deflection states, and to operate the membrane structure in a second actuation state in a resonance mode having an associated resonance frequency.

Abstract: Exemplary embodiment of a tilting z-axis, out-of-plane sensing MEMS accelerometers and associated structures and configurations are described. Disclosed embodiments facilitate improved offset stabilization. Non-limiting embodiments provide exemplary MEMS structures and apparatuses characterized by one or more of having a sensing MEMS structure that is symmetric about the axis orthogonal to the springs or flexible coupling axis, a spring or flexible coupling axis that is aligned to one of the symmetry axes of the electrodes pattern, a different number of reference electrodes and sense electrodes, a reference MEMS structure having at least two symmetry axes, one which is along the axis of the springs or flexible coupling, and/or a reference structure below the spring or flexible coupling axis.

Abstract: An acceleration sensor, a capacitance detection circuit and method, an acceleration processing circuit and method, a storage medium and an electronic device are provided. The acceleration sensor includes: a base, at least one fixed electrode fastened on the base, and at least one mass movable relative to the fixed electrode. The mass includes a conductive electrode, the conductive electrode and the fixed electrode are configured to form a capacitor, and a capacitance value of the capacitor is variable due to movement of the mass relative to the base.

Abstract: Before repeating the processing that an LC/MS analysis is performed after diluting a large number of pretreated media samples (S16 to S19), an LC-MS stabilization processing (S11) of supplying a mobile phase to the LC-MS and performing an analysis without a sample according to the same gradient profile as that in a culture medium sample analysis and a standard sample analysis (S13) of supplying a standard sample to the LC-MS and obtaining data for generating a calibration curve are performed. Before the LC-MS stabilization processing and before the standard sample analysis, respectively, a standby time corresponding to a required time of a sample dilution is provided (Steps S10 and S12). With this, the time of the cycle including the LC-MS stabilization processing and the time of the cycle including the standard sample analysis are made to be the same as the time of the cycle of a dilution and an analysis to a culture medium sample.

Abstract: A printer includes a main body including a communicating portion, a development cartridge attachable to and detachable from the main body, the development cartridge to supply toner contained in a toner container to an electrostatic latent image formed on a photoconductor, to form a visible toner image, and a toner refilling portion connected to the toner container. The toner refilling portion includes a mounting portion into which a toner cartridge insertable from outside the main body through the communicating portion to be mountable, a toner inlet portion provided in the mounting portion to receive toner from the toner cartridge when the toner cartridge is mounted to the mounting portion, and an inlet shutter switchable between a blocking position where the toner inlet portion is blocked from receiving toner, and an inlet position where the toner inlet portion is open to receive toner.

Abstract: An image forming apparatus includes a temperature sensor, a memory, a fixing device, and a controller. The temperature sensor is configured to detect a temperature of an inside of the image forming apparatus. The memory is configured to store temperature history information regarding a history of the temperature of the inside of the image forming apparatus detected by the temperature sensor. The fixing device is configured to fix a toner image onto the paper sheet by heating the paper sheet to a fixing temperature. The toner image is transferred to the paper sheet using a toner stored in a toner cartridge of the image forming apparatus. The controller is configured to control a fixing temperature at the fixing device based on the temperature history information stored in the memory.

Abstract: According to one embodiment, a sensor includes a base body, a first structure body, and a second structure body. The first structure body includes a first fixed portion, a first conductive portion, and first electrodes. The first fixed portion is fixed to the base body. The first conductive portion is held by the first fixed portion. The first conductive portion is separated from the base body in a first direction. The first electrodes are held by the first conductive portion. A distance between the base body and the first electrodes is changeable. The second structure body includes a second conductive portion and second electrodes. The second conductive portion is fixed to the base body. The second electrodes are held by the second conductive portion. One of the second electrodes is between the one of the first electrodes and the other one of the first electrodes.