Abstract: The disclosure is to provide a light emitting module that suppress a dark section from forming in an end portion thereof, a tube type light emitting lamp and a luminaire. The light emitting module includes a long substrate that has a connection member provided in an end portion thereof in a longitudinal direction; a first light emitting element that is provided on the substrate to line up in a row with the connection member in a short direction; and a second light emitting element that has a light emitting surface area larger than the first light emitting element, and is provided closer to a center side of the substrate in the longitudinal direction than the first light emitting element.

Abstract: According to one embodiment, a straight tube type lamp includes a light source unit, a straight-tube cover and a cap. The cap includes an insulating cap body disposed at an end part of the straight-tube cover, a pair of terminals projecting from an end face of the cap body and an insulating projection. The projection includes a holding part arranged between the pair of terminals, and a projecting part which projects from a tip of the holding part in a direction of arrangement of the pair of terminals and is arranged at a tip side of the pair of terminals.

Abstract: According to one embodiment, a base of a straight tube lamp is made of a metal, and includes an attachment part, a base part, a pair of side parts and a coupling part. The base part and the pair of side parts are thicker than the attachment part and the coupling part. The attachment part is provided on other surface side of the board so that one surface side of the board faces an inner surface of a tube. The base part is formed along a longitudinal direction on the inner surface of the tube most distant from the attachment part in an opposite side to the one surface side of the board. The pair of side parts are provided at both sides of the attachment part in a short direction and protrude from the attachment part toward the one surface side of the board. The coupling part couples the base part and the attachment part or the pair of side parts.

Abstract: An embodiment of a discharge lamp lighting apparatus of the present invention includes a socket inserted with a discharge bulb, a transformer having a coil including a secondary side winding connected at one end to the socket, connected at the other end to a first drive wire, and a primary side winding connected at one end to a second drive wire, connected at the other end to a third drive wire through a discharge gap, a core inserted into the coil, and a resin filled between the core and the primary side winding, the secondary side winding, and a capacitor connected between the second drive wire and the third drive wire, wherein the transformer and the socket are aligned side by side.

Abstract: An embodiment of a discharge lamp lighting apparatus of the present invention includes a socket inserted with a discharge bulb, a transformer having a coil including a secondary side winding connected at one end to the socket, connected at the other end to a first drive wire, and a primary side winding connected at one end to a second drive wire, connected at the other end to a third drive wire through a discharge gap, a core inserted into the coil, and a resin filled between the core and the primary side winding, the secondary side winding, and a capacitor connected between the second drive wire and the third drive wire, wherein the transformer and the socket are aligned side by side.

Abstract: An induction heating roller apparatus has a heating roller for generating heat with an induction current by being magnetically coupled to an induction coil, and a plurality of induction coils placed in a dispersed state in an axial direction inside the heating roller and also set such that adjacent heating rollers are in mutually reversed winding directions so that generated flux has the same polarity. A high frequency power supply is provided for supplying high frequency power to the plurality of induction coils.

Abstract: A high-voltage discharge lamp lighting apparatus has a stabilizer which supplies a power voltage used for maintaining the lighting operation to a high-voltage discharge lamp, and an ignitor circuit having an oscillating circuit-for-driving in which a start pulse generates upon starting the lighting operation of the high-voltage discharge lamp, and high-voltage pulse generating transformers which increase a voltage of the start pulse. Further, the high-voltage discharge lamp lighting apparatus includes a cap portion to which the high-voltage discharge lamp is attached and held, including a part of the high-voltage pulse generating transformers of the ignitor circuit, and a socket portion to which the cap portion is attached and is fit, including at least the oscillating circuit-for-driving in the ignitor circuit and a portion of the high-voltage pulse generating transformers except for a part included in the cap portion.

Abstract: An induction heating roller device that keeps leakage current within specifications and prevents the occurrence of erroneous operations caused by common mode noise. The induction heating roller device includes an induction coil, a grounded heating roller magnetically coupled to the induction coil and heated by electro-magnetic induction. A power factor improving capacitor is connected in parallel to and near the induction coil and has a grounded intermediate point. A high-frequency power source biases the induction coil. The leakage current produced by distributed capacitance between the induction coil and the heating roller is returned to the high-frequency power source via the power factor improving capacitor. Thus, the leakage current does not flow out of the induction heating roller device.

Abstract: A high-voltage discharge lamp lighting apparatus has a stabilizer 12 which supplies a power voltage used for maintaining the lighting operation to a high-voltage discharge lamp 20, and an ignitor circuit having an oscillating circuit-for-driving 13 in which a start pulse generates upon starting the lighting operation of the high-voltage discharge lamp, and high-voltage pulse generating transformers (14a, 14b, and 14c) which increase a voltage of the start pulse. Further, the high-voltage discharge lamp lighting apparatus includes a cap portion 16 to which the high-voltage discharge lamp 20 is attached and held, including a part of the high-voltage pulse generating transformers of the ignitor circuit, and a socket portion 11 to which the cap portion 16 is attached and is fit, including at least the oscillating circuit-for-driving 13 in the ignitor circuit and a portion of the high-voltage pulse generating transformers except for a part included in the cap portion 16.

Abstract: An induction heating roller device that keeps leakage current within specifications and prevents the occurrence of erroneous operations caused by common mode noise. The induction heating roller device includes an induction coil, a grounded heating roller magnetically coupled to the induction coil and heated by electro-magnetic induction. A power factor improving capacitor is connected in parallel to and near the induction coil and has a grounded intermediate point. A high-frequency power source biases the induction coil. The leakage current produced by distributed capacitance between the induction coil and the heating roller is returned to the high-frequency power source via the power factor improving capacitor. Thus, the leakage current does not flow out of the induction heating roller device.

Abstract: An induction heating roller device that reduces noise emission to the outside and facilitates insulating between induction coils and nearby metal materials. The induction heating roller device includes a heating roller, a plurality of induction coils arranged in the axial direction of the heating roller, and a high-frequency power source for supplying high-frequency power to the plurality of induction coils. The high-frequency power source has a first output terminal set at a stable potential, and a second output terminal set at a non-stable potential. A pair of induction coils are arranged at the ends of the heating roller and a first end of the coils is positioned at the end of the heating roller and a second end of the coils is positioned in the central side of the heating roller. The first end of each of the two induction coils is connected to the first output terminal, and the second end of each of the two induction coils is connected to the second output terminal.

Abstract: To provide an induction heating roller apparatus and an image formation apparatus capable of evenly heating a heating roller in an axial direction, easily performing insulation among a plurality of induction coils placed in a dispersed state and rendering a heating area of the heating roller switchable if desired.