Abstract: A heater control device having at least two PTC heaters having PTC elements includes switching units which are provided so as to correspond to the PTC heaters and which switch an energized state and a non-energized state of the PTC elements by being turned ON and OFF, pattern information which defines state combination patterns of the energized state and the non-energized state of the PTC elements with respect to a required power value for the heater unit, and a ratio controlling unit which when the required power for the heater unit is at an intermediate value of the required power values defined in the pattern information, controls a ratio of the energized state to the non-energized state of the PTC elements based on a ratio of ON time to OFF time for which an average power within a certain period matches the required power.

Abstract: A heater control device includes a current calculating unit (20) which calculates a third value of current based on a first value of current flowing through a first PTC element of a first PTC heater which is in an energized state and a second value of current estimated to flow through a second PTC element of a second PTC heater which is to be newly put into an energized state next, and a switching control unit (21) which maintains a non-energized state of the second PTC element of the second PTC heater until it is determined that the third value of current calculated by the current calculating unit (20) is less than a predetermined maximum allowable value of current and puts the second PTC element of the second PTC heater into an energized state when the third value of current is less than the predetermined maximum allowable value of current.

Abstract: An object is to provide an integrated-inverter electric compressor with which it is possible to reduce electromagnetic radiation noise, it is also possible to reduce the amount of external current leakage, and, additionally, even the amount of external current flow from an earth wire, and, moreover, it is possible to reduce the size, weight, and cost of a noise-reduction circuit. In an integrated-inverter electric compressor (1) in which an inverter (5) that controls power to be applied to an electric motor (3) is integrally installed in a housing (2) that contains, inside thereof, a compression mechanism and the electric motor (3) that drives the compression mechanism, impedances (Z) having the same capacitance are individually inserted and connected between the housing (2), which is chassis-grounded and into which harmonic currents from the inverter (5) and the electric motor (3) flow, and PN lines (7) that supply power from a power source to the inverter (5).

Abstract: A linear motor including permanent magnets fixed on an elongate yoke such that polarities of the permanent magnets alternately change, and an armature having cores and coils wound on the respective cores, wherein each row of the permanent magnets and the armature are moved relative to each other along a straight line by application of an electric current to the coils, each core extending in a first direction perpendicular to the permanent magnet row, the cores being arranged in a second direction perpendicular to the first direction and disposed on the cores such that the coils on the cores adjacent to each other are arranged in a zigzag pattern and spaced apart from each other in the first direction, with a gap left therebetween, wherein the armature includes a heat pipe having opposite end portions one of which is inserted in the gap and the other of which extends outwardly of the gap, and fins fixed to the other end portion of the heat pipe.

Abstract: A linear motor including permanent magnets fixed on an elongate yoke such that polarities of the permanent magnets alternately change, and an armature having cores and coils wound on the respective cores, wherein each row of the permanent magnets and the armature are moved relative to each other along a straight line by application of an electric current to the coils, each core extending in a first direction perpendicular to the permanent magnet row, the cores being arranged in a second direction perpendicular to the first direction and disposed on the cores such that the coils on the cores adjacent to each other are arranged in a zigzag pattern and spaced apart from each other in the first direction, with a gap left therebetween, wherein the armature includes a heat pipe having opposite end portions one of which is inserted in the gap and the other of which extends outwardly of the gap, and fins fixed to the other end portion of the heat pipe.

Abstract: An apparatus for determining the authenticity includes a light-emitting unit that emits a light including the first wavelength to the paper sheet; a first blocking unit that is arranged between the light-emitting unit and the paper sheet, and blocks off a light of a wavelength longer than the first wavelength; a light-receiving unit that receives a light including a second wavelength emitted from the paper sheet; a second blocking unit that is arranged between the light-receiving unit and the paper sheet, and blocks off a light of a wavelength shorter than the second wavelength. Finally, an authenticity determining unit determines an authenticity of the paper sheet based on the light received by the light-receiving unit.

Abstract: The present invention recognizes denomination and transporting direction of each bill to be deposited when the bill is deposited, selectively drives two light sources with different emission colors based on the recognized information on the denomination and direction of the bill, and scans and reads the portion where the serial number of the bill being transported is printed by means of an image sensor, so that the serial number of this bill is read while selectively changing the emission color of the light source according to the denomination of the bill. Even if the character color or background color of the serial number differs depending on the denomination, the serial number can be accurately recognized without providing many light sources with different emission colors.

Abstract: The present invention recognizes denomination and transporting direction of each bill to be deposited when the bill is deposited, selectively drives two light sources with different emission colors based on the recognized information on the denomination and direction of the bill, and scans and reads the portion where the serial number of the bill being transported is printed by means of an image sensor, so that the serial number of this bill is read while selectively changing the emission color of the light source according to the denomination of the bill. Even if the character color or background color of the serial number differs depending on the denomination, the serial number can be accurately recognized without providing many light sources with different emission colors.