Abstract: In a communication apparatus, an analog circuit executes an analog process to a differential signal in a condition that a potential of a first conductor is a reference. A communication circuit receives, via a connection circuit, a differential signal obtained by the execution of the analog process of the analog process is executed and generates, based on the received differential signal, a signal with a reference corresponding to a potential of a second conductor. An inductor (a connection element) is connected between the first conductor and the second conductor. The connection circuit includes a circuit element other than a capacitor.

Abstract: A control apparatus includes a switching unit configured to switch a state of a first and a second on-vehicle power supply to a power or a non-power supplying state, an acquisition unit configured to acquire operation information indicating whether the control device is in an operating or non-operating state, and a control unit configured to execute, in a case where a combination of the first and the second power supply is changed from a first to a second pattern, start-up control to determine a state in the second pattern, of an on-vehicle control device suppliable with power from the first power supply, based on the operation information in the first pattern. The first pattern is the first power supply in the power supplying state and the second power supply in the non-power supplying state. The second pattern in the first and second power supplies are in the power supplying state.

Abstract: A control apparatus includes: a communication unit configured to communicate with one or a plurality of on-vehicle control devices via an in-vehicle communication line; a first acquisition unit configured to acquire a battery's state of charge that supplies power to on-vehicle control devices; a second acquisition unit configured to acquire an estimated amount of power consumption in each on-vehicle control device up to a time point when update of a control program in on-vehicle control device is completed; a determination unit configured to determine whether or not an expected state of the battery's charge at time point of update completion is equal to or larger than a threshold, on the basis of the state of the battery's charge and estimated amount of power consumption; and a control unit configured to instruct one or a plurality of on-vehicle control devices about devices' operations to be controlled by the on-vehicle control devices.

Abstract: A dielectric ceramic composition includes, as a main component, a perovskite compound containing Sr and Zr and may contain Ca and/or Ti, further contains Li and Si, and may contain Mn. When a total content of Zr and Ti is 100 parts by mol, a total content (100×m) of parts by mol of Sr and Ca is 0.8?m?1.3, a content a of parts by mol of Mn is 0?a?10, a content b of parts by mol of Li is 5?b?15, a content c of parts by mol of Si is 20?c?40, a molar ratio x of Ca/(Sr+Ca) is 0?x?0.8, and a molar ratio y of Ti/(Zr+Ti) is 0?y?0.5.

Abstract: A control apparatus including: a unit configured to communicate with on-vehicle control devices via a communication line; a storage unit configured to store therein a reference table that defines whether each of the on-vehicle control devices is a permitted or unpermitted device; a monitoring unit configured to monitor whether there is a user operation that instructs start of an engine; and a determination unit configured to determine whether to permit start of the engine according to user operation, on the basis of the reference table and a state of update of a control program in the on-vehicle control device when user operation is detected. The permitted device is an on-vehicle control device for which start of the engine during update of the control program is permitted, and the unpermitted device is an on-vehicle control device for which start of the engine during update of the control program is not permitted.

Abstract: A ceramic electronic component or a dielectric ceramic composition having a first element group and a second element group. The first element group consists of Ba, Si, and Al, and contains in 100 parts by weight of the first element group, 20 to 40 parts by weight of BaO, 48 to 75 parts by weight of SiO2, and 5 to 20 parts by weight of Al2O3. The second element group consists of at least one of Ti and Fe, Mn, Sr, and Mg, and contains, with respect to 100 parts by weight of the first element group, 1 to 10 parts by weight of MnO, 1 to 35 parts by weight of SrO, 0.1 to 6 parts by weight of MgO, and 1 to 35 parts by weight of TiO2 and/or Fe2O3.

Abstract: A dielectric welding film capable of tightly welding adherends of a polyolefin resin or the like within a relatively short time through dielectric heating, and a bonding method using the dielectric welding film are provided. The dielectric welding film is configured to bond a plurality of adherends of the same material or different materials through dielectric heating, the dielectric welding film containing (A) a polyolefin resin and (B) a dielectric filler whose mean particle size measured in accordance with JIS Z 8819-2 (2001) is in a range from 1 to 30 ?m, a thickness of the dielectric welding film ranging from 10 to 2,000 ?m. The method uses the dielectric welding film.

Abstract: A control apparatus including: a unit configured to communicate with on-vehicle control devices via a communication line; a storage unit configured to store therein a reference table that defines whether each of the on-vehicle control devices is a permitted or unpermitted device; a monitoring unit configured to monitor whether there is a user operation that instructs start of an engine; and a determination unit configured to determine whether to permit start of the engine according to user operation, on the basis of the reference table and a state of update of a control program in the on-vehicle control device when user operation is detected. The permitted device is an on-vehicle control device for which start of the engine during update of the control program is permitted, and the unpermitted device is an on-vehicle control device for which start of the engine during update of the control program is not permitted.

Abstract: Provided is a control apparatus for controlling update of a control program of an on-vehicle control device configured to control a target device installed on a vehicle. The control apparatus includes: an acquisition unit configured to acquire a use pattern of the control function of the on-vehicle control device during traveling of the vehicle; and a control unit configured to determine, based on the acquired use pattern, whether or not the control program regarding the on-vehicle control device is updatable.

Abstract: A control apparatus according to one aspect of the present disclosure is a control apparatus configured to control updating of a control program to be used to control a target device installed in a vehicle by an on-vehicle control device for controlling the target device. This control apparatus includes: a prediction unit configured to predict a parking/stopping time period of the vehicle to obtain a first time period as a predicted time period; and an updating control unit configured to control, based on the first time period, a process regarding updating of the control program.

Abstract: A converter comprises: a preceding converter having a first switching circuit intermittently outputting current; a capacitor smoothing the current output from the first switching circuit; and a succeeding converter having a second switching circuit to which the current smoothed by the capacitor is intermittently input. The converter converts direct current or alternating current input to the preceding converter and outputs the converted direct current or alternating current from the succeeding converter. A control circuit controls switching of the first and second switching circuits so that an end time point of an output period during which current is output from the first switching circuit has a time difference with a start time point of an input period during which current is input to the second switching circuit.

Abstract: A multilayer ceramic capacitor that includes a laminate which has a plurality of dielectric layers and a plurality of internal electrode layers respectively laminated. The dielectric layers are a perovskite type structure containing Ba, Sr, Zr, Ti and Hf, and optionally Ca, and further include V, wherein (number of moles of Sr)/(number of moles of Ba+number of moles of Ca+number of moles of Sr) is 0.6 to 0.95, (number of moles of Zr)/(number of moles of Zr+number of moles of Ti+number of moles of Hf) is 0.9 to 0.98, thicknesses of the dielectric layers are 1 ?m or less, and an average particle size of dielectric particles constituting the dielectric layers is 0.8 ?m or less.

Abstract: A ceramic electronic component or a dielectric ceramic composition having a first element group and a second element group. The first element group consists of Ba, Si, and Al, and contains in 100 parts by weight of the first element group, 20 to 40 parts by weight of BaO, 48 to 75 parts by weight of SiO2, and 5 to 20 parts by weight of Al2O3. The second element group consists of at least one of Ti and Fe, Mn, Sr, and Mg, and contains, with respect to 100 parts by weight of the first element group, 1 to 10 parts by weight of MnO, 1 to 35 parts by weight of SrO, 0.1 to 6 parts by weight of MgO, and 1 to 35 parts by weight of TiO2 and/or Fe2O3.

Abstract: A converter comprises: a preceding converter having a first switching circuit intermittently outputting current; a capacitor smoothing the current output from the first switching circuit; and a succeeding converter having a second switching circuit to which the current smoothed by the capacitor is intermittently input. The converter converts direct current or alternating current input to the preceding converter and outputs the converted direct current or alternating current from the succeeding converter. A control circuit controls switching of the first and second switching circuits so that an end time point of an output period during which current is output from the first switching circuit has a time difference with a start time point of an input period during which current is input to the second switching circuit.

Abstract: Provided is a conversion device which can determine the presence/absence of a failure in a detection unit for detecting AC or DC voltage or current. A conversion device, including an AC-DC conversion circuit, a DC-DC conversion circuit for converting DC voltage output from the AC-DC conversion circuit and a detection unit for detecting AC or DC voltage or current, comprises an obtaining part for obtaining information indicating whether or not AC voltage is applied to the AC-DC conversion circuit, and a power supply fault determination part for determination presence/absence of a power supply fault or an open fault in the detection unit if the obtained information indicates that AC voltage is not applied to the AC-DC conversion circuit.

Abstract: An output circuit sends a control pilot signal generated in a voltage generator to an input circuit. A communication unit is connected between an earthed wire and a control pilot wire on the output side of the output circuit via a bandpass filter. A communication unit is connected between the earthed wire and the control pilot wire on the input side of the input circuit via a bandpass filter. A low-pass filter is interposed between the output circuit and the communication unit. A low-pass filter is interposed between the input circuit and the communication unit.

Abstract: Provided is a DC-AC conversion device capable of reducing ripple current output from a battery.

Abstract: An output circuit sends out, to an input circuit, a control pilot signal generated by a voltage source. A voltage transformer is provided to a control pilot line on the output side of the output circuit, and a communication unit transmits and receives communication signals via the voltage transformer. A voltage transformer is provided to the control pilot line on the input side of the input circuit, and a communication unit transmits and receives the communication signals via the voltage transformer. A low-pass filter is provided to the control pilot line between the input circuit and the voltage transformer.

Abstract: A multilayer ceramic capacitor that includes a laminate which has a plurality of dielectric layers and a plurality of internal electrode layers respectively laminated. The dielectric layers are a perovskite type structure containing Ba, Sr, Zr, Ti and Hf, and optionally Ca, and further include V, wherein (number of moles of Sr)/(number of moles of Ba+number of moles of Ca+number of moles of Sr) is 0.6 to 0.95, (number of moles of Zr)/(number of moles of Zr+number of moles of Ti+number of moles of Hf) is 0.9 to 0.98, thicknesses of the dielectric layers are 1 ?m or less, and an average particle size of dielectric particles constituting the dielectric layers is 0.8 ?m or less.

Abstract: Provided is a DC-AC conversion device capable of reducing ripple current output from a battery.