Abstract: A resonator is provided that includes a vibration part and a mass addition portion. The vibration part includes a piezoelectric film, an upper electrode, and a lower electrode. The upper electrode and the lower electrode are disposed on opposite sides with the piezoelectric film therebetween. The amount of displacement of the vibration part is greater in a region corresponding to at least part of the mass addition portion than in any other region. The mass addition portion has an inclined surface that slopes in such a manner that the mass addition portion has end regions and a central region thinner than at least one of the end regions when the vibration part is viewed in a plan view.

Abstract: An electrophotographic belt comprising: a substrate and an elastic layer on an outer peripheral surface of the substrate, the elastic layer comprising a cured rubber product including a cured silicone rubber product, an elastic modulus of the elastic layer at a temperature of 23° C. being 1.00 MPa or less, wherein when 1 g sample collected from the elastic layer is immersed in 50 ml of toluene at a temperature of 23° C. for 24 hours in accordance with Japanese Industrial Standard (JIS) K6258:2016, an extract of 3% by mass to 20% by mass with respect to the sample is extracted, and a burning time of the elastic layer in a burn test in accordance with UL94 VTM standard is 30 seconds or less.

Abstract: When a predetermined event occurs based on a game process, an example of an information processing system transitions from a first state to a second state a location that is associated with the event having occurred, from among a plurality of locations that are set in the virtual space. The information processing system identifies an area at least including a location that is in the second state from among the plurality of locations; and renders a portion of at least some terrain objects not included in a target range that includes at least a part of the area in a predetermined color or so as to be darker as compared with a portion included in the target range. A map image is displayed showing field information of the virtual space, wherein field information of a portion corresponding to the area is shown.

Abstract: A power converter includes: a multiphase inverter circuit including a plurality of switching elements; a plurality of current sensors each configured to detect a current of the inverter circuit and output a value of the current detected; a terminal voltage detector configured to detect a voltage of each terminal of a load connected to the inverter circuit and output a value of the voltage detected; a switching element drive circuit configured to control the plurality of switching elements of the inverter circuit according to a switching pattern given; a fault detector configured to detect a fault in the inverter circuit or the plurality of current sensors; and a fault identifier configured to, after the fault detector detects the fault, switch the switching pattern to be given to the switching element drive circuit according to types of faults detectable by the fault detector, and perform identification processing of identifying a type and a location of the fault in the inverter circuit or the plurality of cu

Abstract: A radio-frequency circuit is used in simultaneous transfer of a radio-frequency signal of 4G and a radio-frequency signal of 5G, and includes a first transfer circuit that selectively receives the 4G radio-frequency signal or the 5G radio-frequency signal, and transfers a radio-frequency signal of a first communication band including a first transmission band and a first reception band and a radio-frequency signal of a second communication band including a second transmission band and a second reception band. The first and second transmission bands at least partially overlap. The first transfer circuit includes a first power amplifier that amplifies transmission signals of the first and second communication bands, and a first transmission filter that has a first passband including the first and second transmission bands, and passes the transmission signals of the first and second communication bands output from the first power amplifier.

Abstract: A drum cartridge includes: a photosensitive drum; a drum frame; a drum coupling; and an electrical contact surface. The photosensitive drum is rotatable about an axis extending in a first direction. The drum frame has one end portion in a second direction at which the photosensitive drum is positioned. The drum coupling is rotatable together with the photosensitive drum. The drum coupling is positioned at an outer surface of one side in the first direction of the drum frame. The electrical contact surface is positioned closer to another side in the second direction of the drum frame than the drum coupling is to the another side in the second direction of the drum frame.

Abstract: An array generating unit (15b) divides a sequence of acoustic features for each frame of an acoustic signal into segments of a predetermined length and generates an array in which a plurality of divided segments in a row direction are arranged in a column direction. A learning unit (15d) generates by learning, using the array, a speaker diarization model (14a) for estimating a speaker label of a speaker vector of each frame.

Abstract: A first receiving band and a first transmission band in band A and a second transmission band and a second receiving band in band B are listed in frequency order. A radio frequency module includes: first and second boards; a first filter having a passband that is the first transmission band; second and sixth filters each having a passband that is the first receiving band; third and fifth filters each having a passband that is the second receiving band; a first power amplifier connected to the first filter; a fourth filter having a passband that is the second transmission band; and a second power amplifier connected to the fourth filter. The first to third filters and the first power amplifier are disposed on the first board, and the fourth to sixth filters and the second power amplifier are disposed on the second board.

Abstract: An information processing device connected to a display device and to a sensor which detects relative positions of a user and the display device is provided. This information processing device acquires information indicating the relative positions of the user and the display device and detected by the sensor, and controls a position or a posture of at least one virtual object as a control target within data of a video on the basis of the acquired information indicating the relative positions of the user and the display device. Thereafter, the information processing device outputs the data of the video generated on the basis of information associated with a virtual space where the virtual object is arranged to the display device, and causes the display device to display the data.

Abstract: A quartz glass plate has a quartz glass plate body and a quartz glass member adhered to the quartz glass plate body through an adhesive layer, where the adhesive layer contains silica, and a sum of concentrations of Li, Na, and K ions, being alkali metal ions and Ca ions, being alkaline earth metal ions contained in the adhesive layer is 10 ppm by mass or less. Consequently, a step with a uniform thickness can be formed, and a quartz glass plate is not easily damaged by irradiation with a light containing an ultraviolet ray.

Abstract: An information processing apparatus includes a processor configured to: receive input for an agreement for a predetermined apparatus; present, to approvers, a written agreement generated on a basis of content of the received input; and cause the agreement to be concluded in response to the approvers approving the agreement and cause the predetermined apparatus to implement a setting relevant to content of the written agreement.

Abstract: The present disclosure relates to a communication device, a communication method, a communication system, and a program that enable recognition of a drop of the communication device. In a communication system including an earphone and a smartphone that perform Bluetooth (registered trademark) communication, when the earphone detects a drop, the earphone notifies the smartphone of the drop and transmits a drop position notification signal for providing a notification of its own position to the smartphone by the BLE communication. When notified of the drop of the smartphone, the smartphone vibrates a vibrator to notify the user that the earphone has dropped, and specifies and displays the position of the earphone on the basis of the drop position notification signal. The present disclosure can be applied to a communication system.

Abstract: The present technology relates to an information processing device, an information processing method, and a program capable of reducing power required for wireless communication. An acknowledgement is transmitted to a connection device connected by wireless communication in a case where transmission data transmitted from the connection device has been received normally, and a negative acknowledgement is transmitted to the connection device in a case where the transmission data has not been received normally. In a case where the negative acknowledgement is transmitted to the connection device and there is no data body to be transmitted to the connection device, transmission power for transmitting the negative acknowledgement is set to low power lower than normal power that is transmission power for transmitting other data.

Abstract: The present disclosure relates to a communication device, a communication method, a program, and a communication system which can reduce power consumption relating to reception. A buffer amount of a reception buffer that buffers transmission data in a case of receiving the transmission data is monitored, the transmission data buffered in the reception buffer is not read until the buffer amount exceeds a predetermined threshold value, the transmission data buffered in the reception buffer is read in a case where the buffer amount exceeds the predetermined threshold value, and reception processing of the transmission data is executed. The present disclosure can be applied to the communication system.

Abstract: In a communication system according to the present disclosure, multiple communication devices each include a reception unit configured to receive data including a control command and device information from multiple external devices, a storage unit that stores the device information regarding a first external device that has obtained a control right for the grouping, and a control unit that determines whether or not to execute the control command included in the data received by the reception unit after the control right for the grouping is obtained by the first external device, on the basis of presence or absence of a cancellation command that cancels the grouping, and the device information stored in the storage unit.

Abstract: Provided is a laser processing system with which correction of a control point can be carried out easily. This laser processing system is provided with a scanner capable of scanning a workpiece with laser light, a moving device for moving the scanner relative to the workpiece, and a scanner control device for controlling the scanner, wherein the scanner control device has an irradiation control unit for controlling the scanner such that the same preset control point on the workpiece is irradiated with the laser light when the scanner has been stopped at a plurality of positions by the moving device.

Abstract: Provided is a laser processing system with which correction of a path of a laser illumination point can be carried out easily. This laser processing system is provided with a scanner, a moving device, a scanner control device for controlling the scanner, and a program generation device, wherein the program generation device converts a scanner program to a control point correction program for correcting a preset control point, the scanner control device has a trajectory control unit for controlling the scanner on the basis of the control point correction program such that a workpiece is illuminated with a control point correction trajectory for correcting the control point in a state in which the movement device is stopped, and the trajectory control unit controls the scanner on the basis of the control point correction program such that the control point correction trajectory is repeatedly scanned at predetermined intervals.

Abstract: Provided is a laser processing system with which correction of a control point can be carried out easily. This laser processing system is provided with a scanner capable of scanning a workpiece with laser light, a moving device for moving the scanner relative to the workpiece, and a scanner control device for controlling the scanner, wherein the scanner control device has a trajectory control unit for controlling the scanner such that the workpiece is irradiated with a control point correction trajectory for correcting a preset control point when the movement device is in a stopped state, and the control point correction trajectory has a prescribed length for specifying deviation of the laser light in the optical axis direction, and a prescribed shape for specifying the position of the control point and a direction of a coordinate system defined by the control point.

Abstract: The purpose of the present invention is to provide a laser device that makes it possible to minimize condensation in a closed space by means of a simple structure. This laser device comprises a closed space (S4) in which an optical system (31) for transmitting laser light is accommodated and a dew point adjustment flow path (5) of which at least one part is a flow path wall section formed from a transmissive material (51) through which gas molecules including water vapor are transmitted and dust and oil mist are not transmitted. The transmissive material (51) separates the interior of the dew point adjustment flow path (5) and the closed space (S4).

Abstract: A liquid circulation device includes a circulation passage, a liquid feeding device, a pressure sensor, and control circuitry. Through the circulation passage, liquid circulates to be supplied to and collected from a circulatory liquid discharge head. The liquid feeding device is configured to circulate the liquid through the circulation passage. The pressure sensor is configured to detect a pressure of the circulation passage. The control circuitry configured to acquire a characteristic indicating a relationship among a drive amount of the liquid feeding device, discharge information of the liquid discharged from the liquid discharge head, and a pressure detection value of the circulation passage; and change, based on the characteristic acquired, at least one of a control parameter and a calculation expression used to control the liquid feeding device.