Abstract: A sound control apparatus includes: a display panel that is supported by a base provided in a vehicle in a manner in which an angle of the display panel relative to the base is variable; an angle detector configured to detect the angle; and a controller configured to change sound setting in a cabin of the vehicle in accordance with the angle.

Abstract: A power source control device that includes: a make-and-break relay configured to either make or break conduction between a first terminal of a load and a first electrode of a direct current power source; a dark current generation circuit configured to generate a dark current by lowering a voltage of the direct current power source, in a state in which a first terminal is connected to the first electrode of the direct current power source and a second terminal is connected to the first terminal of the load so as to be parallel to the make-and-break relay; and a bypass circuit configured to dissipate some of power supplied from an external charger by making conduction between a second electrode of the direct current power source and the first terminal of the load in response to the direct current power source being charged by the external charger.

Abstract: A sound signal processing device includes a plurality of sound signal processing units and a plurality of buffers. Each of the plurality of sound signal processing units belongs to one of a plurality of groups and executes a predetermined process by using a supplied sound signal. The plurality of buffers are provided with mutually different buffer sizes where each of the plurality of buffers is associated with one of the groups and supplies an accumulated sound signal to a sound signal processing unit that belongs to an associated group.

Abstract: A failure detection apparatus includes: a first switch configured to be connected to a positive electrode of a battery; a second switch configured to be connected to a negative electrode of the battery; detection resistances that are connected in series between the first switch and the second switch; and a measurement circuit that measures a voltage of the detection resistances, wherein (i) both the first switch and the second switch are turned on to form a failure-detection series-connected circuit consisting of the battery and the detection resistances, and (ii) a failure detection mode is provided to detect a failure based on the voltage measured by the measurement circuit.

Abstract: An information processing apparatus includes a controller configured to, when displaying an on-screen display image on a screen of a display device, invalidate a contrast value set by a user to a contrast setting value specifying a contrast of the screen, and draw the on-screen display image so as to be superimposed on a background image.

Abstract: A battery voltage measurement circuit includes: a first switch configured to be connected to a positive electrode of a battery; a second switch configured to be connected to a negative electrode of the battery; detection resistances that are connected in series between the first switch and the second switch; capacitors that are connected in parallel to the detection resistances; and a measurement circuit that measures a voltage applied to the detection resistances. The battery voltage measurement circuit has a plurality of measurement modes depending upon status of the first and second switches, and further has a failure detection mode for the capacitors based on a change in the voltage after switching from one to an other of the measurement modes.

Abstract: An information processing device that executes storage control for personal information data that are stored in a storage unit in an on-vehicle device that executes an operation that is based on personal information data that are stored in the storage unit has a controller. The controller executes a deletion process that deletes personal information data that are stored in the storage unit, in a case where an end of use of a vehicle is detected, and executes a registration process that stores, in the storage unit, personal information data of a user for the on-vehicle device that are acquired from an external device, in a case where a start of use of a vehicle is detected.

Abstract: The wireless communication apparatus includes a communicator that performs at least one of transmission of signals to an antenna and reception of the signals from the antenna through a microstrip line. The microstrip line is formed with a first stub provided on the side of the communicator and a second stub provided on the side of the antenna, which stubs have resonant characteristics.

Abstract: A hardware processor is configured to (i) perform a first authentication procedure with an external charging equipment that charges a battery, the external charging equipment being external of the apparatus on which the battery is mounted, and (ii) when an abnormality is detected in the first authentication procedure, perform the first authentication procedure or a second authentication procedure in place of the first authentication procedure depending on a type of the abnormality.

Abstract: An in-vehicle communication device includes: a controller to execute control for selecting at least one speaker from among a plurality of speakers in a vehicle interior, the at least one speaker outputting sound input into one of a plurality of microphones in the vehicle interior; a sound recognizer that recognizes a word included in the sound; and a memory that stores association information that associates the plurality of microphones and speakers with each other. The controller is further configured to: in a case where the sound recognizer recognizes that sound input into one of the plurality of microphones includes a specific word, based on the association information, execute control for causing a speaker of the plurality of speakers associated with the one microphone into which the sound is input, to output sound that is input subsequently to the specific word into the one microphone into which the sound is input.

Abstract: A power supply control apparatus includes: a first system capable of supplying electric power from a first power supply to a first load; a second system capable of supplying electric power from a second power supply to a load group including a second load and a third load having consumed electric power smaller than that of the second load; a plurality of load switches as defined herein; and a control unit configured to control the load switches so that backup control performed by the second system is executed by the electric power supply from the second power supply, in a case where an occurrence of a ground fault in the first system is detected, and when the control unit inspects as to whether the backup control can be executed, the control unit connects the load switch corresponding to the third load of the load group to execute the inspection.

Abstract: A power supply control apparatus includes: a first system configured to supply electric power of a first power supply to a first load; a second system configured to supply electric power of a second power supply to a second load; an inter-system switch provided in a connection path that connects the first system to the second system, and capable of connecting the first system to the second system and disconnecting the first system from the second system; a primary ground fault detection unit configured to cut off the inter-system switch when a ground fault of the first system or the second system is detected by the primary ground fault detection unit; a secondary ground fault detection unit as defined herein; and a mask processing unit as defined herein.

Abstract: A video signal processing apparatus according to an embodiment includes a controller. The controller receives (i) a plurality of video signals from a plurality of video sources including a camera and (ii) a specifying signal that specifies which one of the video signals is to be output to a display apparatus. The controller changes a wait time from an input of the specifying signal to an output of the video signal specified by the specifying signal to the display apparatus based on which one of the plurality of the video sources corresponds to the video signal specified by the specifying signal.

Abstract: An audio signal processing device includes: an output sound signal generator configured to generate from an input sound signal with an input sampling frequency an output sound signal with an output sampling frequency; a plurality of functional blocks configured to perform signal processing on the output sound signal; and a function selector configured to select one of the plurality of functional blocks. The output sound signal generator sets the output sampling frequency according to the internal sampling frequency used in the selected functional block.

Abstract: A primary check system includes: a control unit configured to output data for primary check to a plurality of primary check circuits as a serial signal via a serial communication line; and a serial and parallel conversion circuit configured to convert the data for primary check, that is received as the serial signal, into a parallel signal and transmit the parallel signal to the plurality of primary check circuits, and the control unit is configured to set the serial and parallel conversion circuit into an active state before a primary check is started, and set the serial and parallel conversion circuit into an inactive state when the primary check is completed.

Abstract: A problem to be solved is to restrict sickness of a user due to a digital content that includes virtual space experience. In order to solve the above-mentioned problem, an information processing device according to one aspect of embodiments includes an acquisition unit, an estimation unit, and a restraint processing unit. The acquisition unit acquires a state inside and outside related to a user of a digital content that includes virtual space experience. The estimation unit estimates a state of sickness of the user based on a state that is acquired by the acquisition unit. The restraint processing unit executes a restraining process of sickness related to a sound of the digital content in accordance with the state of sickness of the user that is estimated by the estimation unit.

Abstract: An information processing apparatus includes: a processor; an image processor to produce an image data for being displayed on a display; and a memory to store a screen data, the screen data being capable of being transferred from the memory to the image processor at a higher transfer rate and a lower transfer rate; wherein, when a new screen data is transferred from the memory to the image processor, the processor sets the lower transfer rate during an interval at which the image processor switches the image data from an old image data to a new image data.

Abstract: An information processing apparatus according to the embodiment includes a control unit (corresponding to an example of a “controller”). The control unit performs attitude estimation processing to estimate the attitude of an onboard camera based on optical flows of feature points in a region of interest set in an image captured by the onboard camera. When the onboard camera is mounted in a first state, the control unit performs first attitude estimation processing using a first region of interest set in a rectangular shape, and, when the onboard camera is mounted in a second state, the control unit performs second attitude estimation processing using a second region of interest set in accordance with the shape of a road surface.

Abstract: A problem is to efficiently ease peripheral congestion of an event facility. An information processing device includes an acquisition unit and a setting unit. The acquisition unit acquires retention information indicating a retention situation of persons in an event facility. The setting unit dynamically sets a plurality of stands of moving bodies based on the retention information acquired by the acquisition unit. The acquisition unit acquires stand-by number information that indicates numbers of moving bodies standing by in the plurality of stands set by the setting unit. Based on the stand-by number information acquired by the acquisition unit, the setting unit sets the numbers of moving bodies to be dispatched to the stands such that the numbers of moving bodies standing by in the plurality of stands are equalized.

Abstract: A vehicle dispatch device includes a change information receipt unit, and a re-matching unit. The change information receipt unit receives change information that indicates that a customer without a reservation other than a customer with a reservation takes a taxi that is instructed to be dispatched to the customer with a reservation. The re-matching unit in a case where the change information is received by the change information receipt unit executes re-matching between the customer with a reservation and a taxi and executes notification of a vehicle dispatch instruction to a taxi that is based on a result of re-matching.