Abstract: A voltage detection device includes voltage detection sections that measure cell voltages in the blocks, a control section, and (N?1) or less converters that raise the voltage, which is supplied from a DC power source, to a voltage of a driving power source for the voltage detection section. In a case where a voltage detected by at least one voltage detection section among the voltage detection sections which operate by the power supplied from the respective converters, exceeds a predetermined threshold value, the control section controls at least one voltage detection section among the voltage detection sections to operate using the cell voltage of each of the blocks as a driving power source and acquires the cell voltage in each of the blocks.

Abstract: A voltage measurement device for measuring an output voltage of a battery assembly includes voltage addition sections that add a predetermined voltage value to output voltages of the cells, voltage detection sections that detect addition voltages which are output voltages of the voltage addition sections corresponding to the cells of the individual blocks, A/D converting sections that digitize analog voltage signals of the addition voltages detected by the voltage detection sections, and a control section that outputs voltage measurement request signals to the voltage detection sections respectively, and that acquires the addition voltages, subtracts the predetermined voltage value from the acquired addition voltages and provides voltage values after the subtractions, as the output voltages of the cells.

Abstract: A voltage monitoring apparatus includes a plurality of voltage monitoring sections corresponding to a plurality of blocks of unit cells of a multiple-set battery respectively and a main control section. Each of the voltage monitoring section includes a voltage detection section which detects voltages of the unit cells of a corresponding block, a voltage adjustment section which adjusts the voltages of the unit cells of the corresponding block so that the voltages are uniformized, an active power source which obtains power from the unit cells of the corresponding block, and supplies power to the voltage detection section and the voltage adjustment section, a power source switching section which switches a power supply mode and a power disconnect mode of the active power source, and a low consumption power source which obtains the power from the unit cells of the corresponding block, and supplies power to the power source switching section.

Abstract: A sensor including a tube having a small-diameter portion loosely inserted into a tube insertion hole of an annular mounting fixture and a large-diameter portion having a diameter larger than an inside diameter of the tube insertion hole. A flow path is formed, so that when the large-diameter portion of the tube is locked on the rear end of the tube insertion hole, a rear end of a gap, defined between an inner circumferential surface of the tube insertion hole and an outer circumferential surface of the small-diameter portion of the tube, remains open. Further, the inner circumferential surface of the tube insertion hole and the outer circumferential surface of the small-diameter tubular portion of the tube are brazed together with a brazing filler which flows into the gap.

Abstract: A voltage detection apparatus includes first to third circuit boards are provided on first to third battery packs of a battery system respectively. The first circuit board includes a first voltage detection portion detecting a voltage of the first battery pack, a control portion controlling the first voltage detection portion, and a first insulation device which connecting the first voltage detection portion with the control portion. The second circuit board includes a second voltage detection portion detecting a voltage of the second battery pack, and a second insulation device connecting the second voltage detection portion with the control portion. The third circuit board includes a third voltage detection portion connected in series with the second voltage detection portion and detecting a voltage of the third battery pack. The control portion controls the second and third voltage detection portions.

Abstract: A voltage measuring apparatus measures an output voltage of an assembled battery in which a plurality of unit cells are connected in series and are divided into a plurality of blocks. The apparatus includes: a block voltage detection section which detects a voltage of at least one of the plurality of blocks and provides an analog voltage signal; a reference power supply which generates a reference voltage; a sampling voltage generation section which generates a sampling voltage based on the reference voltage; a storage for storing voltage date corresponding to the sampling voltage; and an A/D conversion section of the block voltage detection section that digitizes the sampling voltage with the reference voltage for A/D conversion. A difference between the digitized sampling voltage and the voltage data is calculated and it is determined that abnormality occurs in the A/D conversion section when the difference is larger than a threshold.

Abstract: A voltage measuring device includes a current detecting section that detects a charging or discharging current of a multiple-set battery; block voltage detecting sections that detect voltages of a plurality blocks respectively; and a control section that outputs a request to the block voltage detecting sections via a first communication line to acquire voltage data. Each of the block voltage detecting sections includes an active power source and a lower-power source. The control section transmits a low-power consumption mode setting signal to the block voltage detecting sections respectively when the charging or discharging current has not been detected by the current detecting section for a first time period. Each of the block voltage detecting sections switches an operating mode from a normal mode to a low-power consumption mode when the low-power consumption mode setting signal is received.

Abstract: There is provided a voltage measuring apparatus for measuring a voltage of an assembled battery in which a plurality of unit cells are connected in series. The voltage measuring apparatus comprises: block voltage detection sections, each section measuring a voltage of each block of a plurality of blocks into which the plurality of unit cells are divided; a reference voltage output section provided in each of the voltage detection sections to output a reference voltage; a difference voltage calculating section which calculates a difference voltage between measured values of the reference voltages measured by two block voltage detection sections; a difference voltage determination section which determines whether each of the difference voltages exceeds a given threshold voltage or not; and an abnormality determination section which determines that abnormality occurs in the voltage measuring apparatus when at least one of the difference voltages is determined as greater than the threshold voltage.

Abstract: A voltage detection apparatus includes: a battery including a plurality of unit cells mutually connected in series; a plurality of blocks, each block including at least one of the plurality of unit cells; a plurality of voltage detectors, each detector connected to respective one of the blocks, and detecting a voltage between both ends of the unit cell in the one of the blocks; a plurality of reference power sources, each source connected to respective one of the voltage detectors, and at least one of the reference power sources having higher accuracy than the other reference power sources; and a correcting unit which corrects a detection result of the voltage detector which is connected to the other reference power source on the basis of a detection result of the voltage detector which is connected to the reference power source with the higher accuracy.

Abstract: The rotor 11 of an axial gap type motor 10 is provided with a plurality of main magnets 41 respectively magnetized in an axial direction of a rotational axis and disposed at predetermined intervals in a peripheral direction, a plurality of yokes 42 structured by a laminated member 71 produced by winding a tape-shaped electromagnetic steel plate 60 and respectively disposed on both sides of the main magnets 41 in the axial direction, and a rotor frame 30 made of a die-cast alloy and including a plurality of ribs 31 respectively interposed between the main magnets 41 adjoining each other in the peripheral direction and extending in the radial direction, and an inner cylindrical portion 32 and an outer cylindrical portion 33 respectively formed on the radially inner side of the ribs 31 and on the radially outer side of the ribs 31.

Abstract: A sensor control apparatus including a gas sensor having a sensor element, a housing and a base part formed of a resin. The apparatus includes a heating part and a control part. When the control part determines that a predetermined automatic stop condition has been satisfied, the control part switches from a control for maintaining the temperature of the sensor element at an activating temperature to a control in a stop state for reducing at least one of voltage and current supplied to the heating part so as to set a temperature of the base part to a value equal to or lower than a shape holding temperature of the resin. Also disclosed is a sensor control method for holding a temperature of a sensor element to an activating temperature.

Abstract: A switch element is configured to decrease an impedance of a voltage-detection integrated circuit that detect voltage between both ends of unit cells of a higher-ordered battery block, for adjacently-connected pair of the higher-ordered battery block and a lower-ordered battery block. The voltage-detection integrated circuit is configured to detect disconnection of an electrical wire when voltage between both ends of a lowest-ordered unit cell that is detected with the switch element turned on is equal to or lower than a threshold.

Abstract: A nonvolatile storage device is formed by laminating a plurality of memory cell arrays, the memory cell array including a plurality of word lines, a plurality of bit lines, and memory cells. The memory cell includes a current rectifying device and a variable resistance device, the variable resistance device includes a lower electrode, an upper electrode, and a resistance change layer including a conductive nano material formed between the lower electrode and the upper electrode, one of the variable resistance devices provided adjacent to each other in the laminating direction has titanium oxide (TiOx) between the resistance change layer and the lower electrode serving as a cathode, the other of the variable resistance devices provided adjacent to each other in the laminating direction has titanium oxide (TiOx) between the resistance change layer and the upper electrode serving as a cathode.

Abstract: According to one embodiment, a memory device includes a lower electrode layer, a nanomaterial assembly layer, a protective layer and an upper electrode layer. The nanomaterial assembly layer is provided on the lower electrode layer and includes a plurality of fine conductors assembled via a gap. The protective layer is provided on the nanomaterial assembly layer, is conductive, is in contact with the fine conductors, and includes an opening. The upper electrode layer is provided on the protective layer and is in contact with the protective layer.

Abstract: A compressor (20) is provided with compression mechanisms (61, 62) to have four compression chambers (61, 62, 63, 64) in total. In the compressor (20), the first compression chamber (61) and the second compression chamber (62) differ in the phase of capacity changing cycle from each other by 180° and the third compression chamber (63) and the fourth compression chamber (64) also differ in the phase of capacity changing cycle from each other by 180°. In a cylinder nonoperating mode, refrigerant is compressed in a single stage in each of the first compression chamber (61) and the second compression chamber (62) while the refrigerant compression operation is halted in the third compression chamber (63) and the fourth compression chamber (64). In a two-stage compression mode, refrigerant compressed in a single stage in each of the first compression chamber (61) and the second compression chamber (62) is further compressed in the third compression chamber (63) and the fourth compression chamber (64).

Abstract: A novel data communication device includes a switching mechanism, a detector, a storage, a measuring unit, a comparator, and a controller. In at least one embodiment, the switching mechanism is configured to connect and disconnect a facsimile device to and from a communication line used in common by the data communication device and the facsimile device. The detector is configured to detect an off-hook state of the facsimile device. The storage is configured to store a delay time. The measuring unit is configured to measure a reference time and a dialing detection time. The comparator is configured to compare the reference time and the dialing detection time. The controller is configured to enable or disable a facsimile priority function depending on whether or not the reference time and the dialing detection time are substantially equal to each other.

Abstract: According to one embodiment, a memory device includes a nanomaterial assembly layer, a first electrode layer and a second electrode layer. The nanomaterial assembly layer is formed of an assembly of a plurality of micro conductors via gaps between the micro conductors. The first electrode layer is provided on the nanomaterial assembly layer. The second electrode layer is provided on the first electrode layer.

Abstract: The present invention provides a sensor capable of maintaining an electrical connection between the lead frame and an electrode terminal section of the detection element even when an inadequate external force is applied to a lead frame and a sensor production method capable of preventing the lead frame from buckling and being deformed into an inadequate shape. The lead frame (second lead frame) can inhibit movement of a second frame main body section axially toward a rear end side through engagement of a third locking surface of a second locking section with a second locking groove and can inhibit the second frame main body section from going apart from an inner surface of an insertion hole through engagement of a fourth locking surface of the second frame locking section, which faces an element engagement section side.

Abstract: In a voltage measuring device, according to a setting of input terminals for setting the number of unit cells to be measured SEL1, SEL2, SEL3, a logic circuit turns on switches in a switching circuit connected to the unit cells to measure a voltage across each unit cell.

Abstract: The present invention is to provide inexpensively a voltage detecting device for setting an address of each voltage detection IC even if a power source level of each voltage detection IC differs. A first transmitting line LT1 and a first receiving line LR1 connect a plurality of voltage detection ICs in series each other, and connect between the bottom voltage detection IC and the main microcomputer. The main microcomputer transmits an address number 0 to the bottom voltage detection IC. When the respective voltage detection ICs receive an address number through the first receiving line of a lower side from the main microcomputer, an address number adding 1 to the received address number is set as a self-address number. Furthermore, the respective voltage detection ICs transmit the address number which adds 1 to the received address number to the first transmitting line LT1 of an upper side.