Abstract: A reflecting-mirror-equipped lamp 2000 is constituted by a high pressure discharge lamp 150 and a reflecting mirror 300. The reflecting mirror 300 includes a wide opening 310 and a narrow opening 320. A first sealing portion 101a of the high pressure discharge lamp 150 is fixed near the narrow portion 320 of the reflecting mirror 300, and provided with no base. A second sealing portion 101b of the high pressure discharge lamp 150 is provided at a side of the wide opening 310 of the reflecting mirror 300. An external lead 104 of the first sealing portion 101a and an outward-drawn lead wire 204a are joined to each other by the plastic flow of a caulking member 10.

Abstract: A process for purifying exhaust gas from a gasoline engine of the fuel-direct-injection type purifies exhaust gas that varies, in response to changes in the air-fuel ratio, between the first exhaust-gas state featured by an air-fuel ratio in the vicinity of the stoichiometrical air-fuel ratio and the second exhaust-gas state that forms a more oxidizing, low-temperature atmosphere and that is featured by an air-fuel ratio greater than the stoichiometrical air-fuel ratio, by using an exhaust-gas purifying catalyst (12) that contains at least one kind of noble metals, such as platinum, and transition metals.

Abstract: A high pressure mercury lamp includes a luminous bulb in which at least mercury is enclosed inside the bulb, and a pair of sealing portions that retain airtightness of the luminous bulb. The amount of the enclosed mercury is 230 mg/cm3 or more based on a volume of the luminous bulb, and heating means for heating the luminous bulb is provided at least at part of the luminous bulb and the pair of sealing portions.

Abstract: A high pressure mercury lamp includes a luminous bulb in which at least mercury is enclosed inside the bulb, and a pair of sealing portions that retain airtightness of the luminous bulb. The amount of the enclosed mercury is 230 mg/cm3 or more based on the volume of the luminous bulb, and heat-retaining means for retaining beat in the luminous bulb is provided. Thus, the present invention can suppress blackening of high pressure mercury lamps having a very high operating pressure.

Abstract: A method for producing a discharge lamp of the present invention includes the steps of: preparing a glass pipe for a discharge lamp having a luminous bulb portion and a side tube portion, and a single electrode assembly including an electrode structure portion that will be formed into a pair of electrodes of the discharge lamp; inserting the single electrode assembly into the glass pipe for a discharge lamp such that the electrode structure portion of the single electrode assembly is positioned in the luminous bulb portion of the glass pipe for a discharge lamp; forming a luminous bulb in which the electrode structure portion is arranged inside by attaching the side tube portion of the glass pipe for a discharge lamp to a part of the single electrode assembly; and forming a pair of electrodes in the luminous bulb by melting and cutting a part of the electrode structure portion selectively.

Abstract: During the deposition of a catalytic component on a carrier, the position of the liquid level of a slurry containing the catalytic component is controlled with high accuracy and the adhesion of the slurry to the lateral face of the carrier is prevented. In the deposition of the liquid substance on the carrier by the introduction of the liquid substance into the carrier from the bottom face thereof, the liquid level near the top face of the carrier is detected by an image-processing sensor.

Abstract: A pair of electrodes (3) are provided in an arc tube (1) I/S is 20 (A/mm2) or less on a condition that an area of a cross section at a tip of the electrodes (3) is S (mm2) and an operating current between the electrodes (3) is I (A). According to this constitution, a long lamp life can be obtained without causing a rise in the lamp voltage and the blackening of the arc tube (1) by the evaporation of the electrodes while operation time becomes longer.

Abstract: A high pressure discharge lamp includes a luminous tube enclosing a luminous material in which a pair of electrodes are opposed; and a pair of sealing portion for sealing metal foils electrically connected to the pair of electrodes, respectively. External leads are connected to the metal foils on the side opposite to the luminous tube side. At least one of the external leads extends outward from the end face of the sealing portion. A cap portion for covering the external lead is provided in a base portion of the external lead exposed from the end face of the sealing portion.

Abstract: There is described a thermal development apparatus, which makes it possible to prevent generation of density variations caused by changes of the processing temperature during the thermal developing operation when the thermal developing photosensitive material is continuously processed, without increasing the cost of the apparatus so much. The thermal development apparatus includes a thermal developing processor to apply a thermal development processing to the thermal developing photosensitive material, a detector to detect the thermal developing photosensitive material to be conveyed into the thermal developing processor and a controller to control the thermal developing processor in a feed forward controlling mode based on a processing condition of the thermal developing processor. The processing condition is established in advance, corresponding to a load of processing the thermal developing photosensitive material detected in advance by the detector.

Abstract: A catalytically active component is deposited exclusively on a carrier component by utilizing a container-integrated carrier. Prior to the deposition of the active component on the carrier, the carrier is sealed and then the deposition of the active component is performed.

Abstract: A method for producing a high pressure discharge lamp including a luminous bulb enclosing a luminous substance inside and a sealing portion for retaining airtightness of the luminous bulb, includes preparing a glass pipe for a discharge lamp including a luminous bulb portion that will be formed into a luminous bulb of a high pressure discharge lamp and a side tube portion extending from the luminous bulb portion; inserting a glass member constituted by a second glass having a softening point lower than that of a first glass constituting the side tube portion into the side tube portion, and then heating the side tube portion so as to attach the glass member and the side tube portion; and after the attachment step, heating a portion including at least the glass member and the side tube portion at a temperature higher than a strain point temperature of the second glass and lower than a strain point temperature of the first glass.

Abstract: An image display apparatus includes a lamp unit including a discharge lamp and a reflecting mirror, an optical system and a ballast circuit. The ballast circuit includes a power circuit portion, an inverter portion and a start circuit portion. The start circuit portion of the ballast circuit is electrically connected to the discharge lamp and is separated from the power circuit portion and the inverter portion.

Abstract: An exhaust gas purifying catalyst having a refractory three-dimensional structure coated with a catalytically active component comprising at least one kind of noble metals, a refractory inorganic oxide, and a zirconium oxide containing cerium and lanthanum, the crystal structure of the zirconium oxide containing cerium and lanthanum being a tetragonal structure of zirconium oxide.

Abstract: A catalyst for purifying NOx is provided which efficiently decomposes and purify the NOx in an exhaust gas in an oxygen-excess atmosphere, excels in resistance to heat and in durability in a high temperature range under a high-temperature oxidizing atmosphere and in the presence of moisture and SOx, and manifests the catalytic activity over a wide range of temperature. It is a catalyst for purifying nitrogen oxides formed by coating (A) a catalytically active component comprising (A-a) iridium and (A-b) at least one element selected from the group consisting of the elements of Group IIIB and Group IVB in the Periodic Table of the Elements with (B) a refractory inorganic compound.

Abstract: A short arc mercury lamp includes a luminous bulb enclosing at least mercury as a luminous material and a pair of electrodes opposed to each other; and a pair of sealing portions for sealing a pair of metal foils electrically connected to the pair of electrodes, respectively. The electrode central axis of one of the pair of electrodes is dislocated from the electrode central axis of the other electrode. The shortest distance d (cm) between the head of one of the electrodes and the head of the other electrode is larger than the value of (6M/13.6&pgr;)1/3 when the total mass of the enclosed mercury is M (g).

Abstract: During the deposition of a catalytic component on a carrier, the position of the liquid level of a slurry containing the catalytic component is controlled with high accuracy and the adhesion of the slurry to the lateral face of the carrier is prevented. In the deposition of the liquid substance on the carrier by the introduction of the liquid substance into the carrier from the bottom face thereof, a water-detecting sensor detects the liquid level near the top face of the carrier.

Abstract: An image forming apparatus comprising: an exposure portion having a light source, for forming a latent image on a photothermographic imaging material by exposing a light beam to the photothermographic imaging material from the light source; a thermal development portion having a heating portion for thermally developing by heating the photothermographic imaging material on which the latent image is formed, and a cooling and conveying portion for conveying and cooling the thermally developed photothermographic imaging material; a temperature detecting member for detecting at least one of a temperature of a predetermined portion in the thermal development portion and a temperature in a vicinity of the exposure portion; and a control unit for controlling a factor relating to thermal development on a basis of the temperature detected by the temperature detecting member.

Abstract: A high pressure discharge lamp includes a luminous bulb enclosing a luminous substance therein; and a sealing portion for retaining airtightness of the luminous bulb. The sealing portion has a first glass portion extending from the luminous bulb and a second glass portion provided at least in a portion inside the first glass portion, and the sealing portion has a portion to which a compressive stress is applied.

Abstract: A catalyst for purifying the exhaust gas from a lean-burn engine, which includes a refractory inorganic oxide carrying platinum thereon, a cerium-containing oxide carrying palladium thereon, and an alkali metal compound and/or an alkaline earth metal compound, and a method for the production of the catalyst.

Abstract: A high-pressure discharge lamp is configured to regulate the relationship between the radius r (mm) of the tungsten rods forming the electrodes and the lamp current I (amperes) using the formula 1.5 ≤ I π · r 2 ≤ 9 when the ratio of the circumference of the circle to its diameter is expressed as &pgr;. The high-pressure discharge lamp suppresses early blackening, and achieves a long-life light source.