Abstract: A speaker provided with an electrostatic speaker unit in a shape of a sheet, includes: a sound absorbing material having a first face which is disposed on a side of a first face of the electrostatic speaker unit, and which has an area equal to or larger than an area of the first face of the electrostatic speaker unit; and a holding member holding the electrostatic speaker unit and the sound absorbing material. A second face of the sound absorbing material, which is opposite to the first face thereof, is disposed so as to be opposed to a face of a sound insulating element, and an area of the face of the sound insulating element is equal to or larger than the area of the first face of the electrostatic speaker unit.

Abstract: An electrostatic loudspeaker includes: a first electrode having acoustic transmission property; a second electrode having acoustic transmission property, and disposed so as to be opposed to the first electrode; a vibrating member having conductibility, and disposed between the first electrode and the second electrode; a first elastic member having elasticity, insulation property, and acoustic transmission property, and disposed between the vibrating member and the first electrode; a second elastic member having elasticity, insulation property, and acoustic transmission property, and disposed between the vibrating member and the second electrode; and a first separation member having insulation property and acoustic transmission property, and disposed on an opposite side of a face of the first electrode, which is opposed to the first elastic member.

Abstract: An electrostatic loudspeaker includes: a first electrode having acoustic transmission property; a second electrode having acoustic transmission property, and disposed so as to be opposed to the first electrode; a vibrating member having conductibility, and disposed between the first electrode and the second electrode; a first elastic member having elasticity, insulation property, and acoustic transmission property, and disposed between the vibrating member and the first electrode; a second elastic member having elasticity, insulation property, and acoustic transmission property, and disposed between the vibrating member and the second electrode; and a first separation member having insulation property and acoustic transmission property, and disposed on an opposite side of a face of the first electrode, which is opposed to the first elastic member.

Abstract: A vibration transducer (e.g. a condenser microphone) having a high sensitivity is constituted of a housing composed of an airtight material having a through-hole, a vibration conversion die (e.g. a microphone die) which is attached to the interior surface of the housing at the prescribed position embracing the through-hole in plan view, and a barrier diaphragm composed of an airtight material whose external periphery is attached to the exterior surface of the housing in an airtight manner oppositely to the prescribed position. The barrier diaphragm has a vibration area which is larger than the sectional area of the through-hole. A space allowing the barrier diaphragm to vibrate is formed between the barrier diaphragm and the exterior surface of the housing, wherein the distance between the barrier diaphragm and the exterior surface of the housing can be gradually reduced from the vibration axis to the external periphery.

Abstract: A decomposition processing method for ethylene oxide is provided for when concentration of the ethylene oxide to be decomposed in a gas varies. The method comprises steps of reducing the concentration of ethylene oxide in the gas to a predetermined concentration which is less than the highest concentration of the ethylene oxide in the range of the variation, adsorbing ethylene oxide to a photocatalyst which has ethylene oxide adsorbing ability, and decomposing ethylene oxide by action of one of the photocatalyst and a combination of the photocatalyst and plasma. The adsorbing step and decomposing step are conducted after the reducing step.

Abstract: A waste liquid processing method comprising a solvent separation process for separating a chlorine-based organic solvent contained in a waste liquid; a first vaporization process that includes vaporization of the chlorine-based organic solvent remaining in the waste liquid after the solvent separation process; a collection process for collecting substances other than the chlorine-based organic solvent contained in the waste liquid after being vaporized in the first vaporization process; a second vaporization process for vaporizing the chlorine-based organic solvent remaining in the waste liquid after the first vaporization process and the collection process; a photo-oxidative decomposition process where photo-oxidation is used to decompose a chlorine-based organic gas generated in the first vaporization process and in the second vaporization process, and a post-treatment process for carrying out adsorption, absorption, and neutralization of a decomposition product gas generated in the photo-oxidative decompos

Abstract: A granular photocatalytic material in the form of pellets or tablet is produced by compressing a photocatalyst mixture containing photocatalytic particles and a filler in air, a vacuum, or an inert gas at a temperature of 0 to 200° C., a pressure of 500 to 6000 kg/cm2, and a pressing time of 0.01 to 60 seconds. An alkali slurry is applied on the surface of the granular photocatalytic material. A method of restoring a function of granular photocatalytic material comprises washing the surface of the granular photocatalytic material with the slurry or an alkali solution of sodium hydroxide An apparatus for decomposing and removing toxic organic matter comprises a means of bringing the granular photocatalytic material into contact with the toxic organic matter in a liquid or air, and a means of irradiating the granular photocatalytic material with light having a wavelength of 400 nm or less.

Abstract: A decomposition processing method for ethylene oxide is provided for when concentration of the ethylene oxide to be decomposed in a gas varies. The method comprises steps of reducing the concentration of ethylene oxide in the gas to a predetermined concentration which is less than the highest concentration of the ethylene oxide in the range of the variation, adsorbing ethylene oxide to a photocatalyst which has ethylene oxide adsorbing ability, and decomposing ethylene oxide by action of one of the photocatalyst and a combination of the photocatalyst and plasma. The adsorbing step and decomposing step are conducted after the reducing step.

Abstract: The photocatalyst granules of the present invention are photocatalyst granules prepared by molding a mixture containing photocatalyst particles and colloidal silica, and drying the molded mixture, wherein the content of the photocatalyst particles in the photocatalyst granules is 10% by weight or more. According to the photocatalyst granules of the present invention, since contact between the photocatalyst particles and the open air is not inhibited, thereby enabling the photocatalyst particles to contact with an organic matter sufficiently, oxygen or ultraviolet light, the photocatalytic activity is high. That is, the photocatalyst granules of the present invention are easy to handle and can be fixed on a solid, and also have excellent durability and high photocatalytic activity.

Abstract: A gas treatment method is actualized by arranging a plurality of photocatalyst members each including photocatalyst, solid substance, and catalyst in a region of non-equilibrium plasma, which is produced using a surface discharge electrode and into which a treated gas such as an exhaust gas and a harmful gas including harmful chemical substances is introduced and is then subjected to decomposition. The surface discharge electrode comprises a ground electrode, an insulator encompassing the ground electrode, and a plurality of surface electrodes that are arranged relative to the ground electrode via the insulator, by which the non-equilibrium plasma is produced upon electrification. A gas treatment apparatus is constituted by arranging a plurality of surface discharge electrodes, each having a plurality of through holes penetrating in a thickness direction, between which a plurality of photocatalyst members are arranged.

Abstract: A solvent separator includes an introduction member which introduces a mixture including chlorine containing organic solvent and water; a separation unit including a separation member made of a water-repellent and/or lipophilic porous material, which carries out the separation of the mixture; a water drainage member through which water separated by the separation unit is discharged; and a solvent drainage member through which the chlorine containing organic solvent separated by the separation unit is discharged. Also, a method and a device for treating waste liquid are provided by which chlorine containing organic solvent present in waste liquid is selectively separated, decomposed by a photocatalyst, and converted into a harmless substrate.

Abstract: A granular photocatalytic material in the form of pellets or tablet is produced by compressing a photocatalyst mixture containing photocatalytic particles and a filler in air, a vacuum, or an inert gas at a temperature of 0 to 200° C., a pressure of 500 to 6000 kg/cm2, and a pressing time of 0.01 to 60 seconds. An alkali slurry is applied on the surface of the granular photocatalytic material. A method of restoring a function of granular photocatalytic material comprises washing the surface of the granular photocatalytic material with the slurry or an alkali solution of sodium hydroxide An apparatus for decomposing and removing toxic organic matter comprises a means of bringing the granular photocatalytic material into contact with the toxic organic matter in a liquid or air, and a means of irradiating the granular photocatalytic material with light having a wavelength of 400 nm or less.

Abstract: A waste liquid processing method comprising a solvent separation process for separating a chlorine-based organic solvent contained in a waste liquid; a first vaporization process that includes vaporization of the chlorine-based organic solvent remaining in the waste liquid after the solvent separation process; a collection process for collecting substances other than the chlorine-based organic solvent contained in the waste liquid after being vaporized in the first vaporization process; a second vaporization process for vaporizing the chlorine-based organic solvent remaining in the waste liquid after the first vaporization process and the collection process; a photo-oxidative decomposition process where photo-oxidation is used to decompose a chlorine-based organic gas generated in the first vaporization process and in the second vaporization process, and a post-treatment process for carrying out adsorption, absorption, and neutralization of a decomposition product gas generated in the photo-oxidative decompos

Abstract: An effluent treating method, comprising the steps of: vaporizing effluent containing chlorine-based organic matter and producing vaporized gas containing chlorine-based organic gas; reacting said vaporized gas with photocatalytic material, with irradiating ultraviolet light, and decomposing the vaporized gas; and absorbing, adsorbing, or neutralizing the reacting step. The treatment is therefore efficiently conducted and discharge of secondary products such as chlorine-based gas can be suppressed.

Abstract: An electro-coagulation printer uses an electrode control unit to drive electrodes which are aligned in proximity to a rotation drum having a conductive ink film on its surface. The electrodes are respectively electrified to partially coagulate the conductive ink film to form ink dots on the surface of the rotation drum, so that the ink dots are transferred onto a paper. Herein, the electrode control unit receives print data from a host device by way of an interface. Gradation data representing gradation values for one line of the electrodes are created based on the print data and are output in a serial manner. The serial gradation data are converted to parallel data corresponding to the gradation values, which are held and controlled in output timing. Based on the gradation values, pulse signals are generated to drive the electrodes respectively.

Abstract: A solvent separator includes an introduction member which introduces a mixture including chlorine containing organic solvent and water; a separation unit including a separation member made of a water-repellent and/or lipophilic porous material, which carries out the separation of the mixture; a water drainage member through which water separated by the separation unit is discharged; and a solvent drainage member through which the chlorine containing organic solvent separated by the separation unit is discharged. Also, a method and a device for treating waste liquid are provided by which chlorine containing organic solvent present in waste liquid is selectively separated, decomposed by a photocatalyst, and converted into a harmless substrate.

Abstract: In a printing apparatus for forming a desired image by coagulating a portion of liquid ink in a predetermined space S formed between a circumferential surface of a rotation drum and a plurality of negative electrodes by electrical energizing, and transferring this to a printing object such as paper, to thereby affect printing, there is provided on a rotation input side of the plurality of negative electrodes a discharge port whereby a fluid can be discharged towards the negative electrode surface and the surroundings thereof. Moreover, there is provided a fluid supply device for supplying a fluid (which may be a liquid or a gas) to the discharge port.

Abstract: Game control section executes a game program on the basis of data relating to an object appearing in a game and a control signal given from a controller, to cause the game to progress and generate an image signal and sound signal. Display and sound generating section visually displays the image signal and audibly reproduce the sound signal. Electronic recording medium, in the form of a trading card, stores the data relating to the object that is caused to vary as the game progresses, and contains a memory capable of rewriting data stored therein. This electronic recording medium has an outer appearance similar to that of ordinary commercially-available trading cards. One object is allocated to a single electronic recording medium. The object-relating data represent values that define the attributes of the object appearing during the progression of a game. The attribute values are designed to vary as the game progresses.

Abstract: An electro-coagulation printer is basically constructed by a rotation drum having a circumferential surface which is electrified in positive potential, a number of electrodes which are selectively electrified in negative potentials, and an ink supply device. The electrodes are aligned to oppositely face with the circumferential surface of the rotation drum with a gap which ranges between thirty and one-hundred microns. The ink supply device is arranged in an incoming side of the rotation drum and supplies liquid ink to be injected onto the circumferential surface of the rotation drum, so that electrification is performed between the electrodes and circumferential surface of the rotation drum with intervention of the liquid ink. Thus, a desired image is formed on the circumferential surface of the rotation drum and is transferred onto a printing material such as a paper.

Abstract: A double line electrode unit for use in an electro-coagulation printer contains a pair of electrode plates, negative electrodes and a prepreg (or an insulating layer). The negative electrodes are linearly arranged with prescribed intervals of distance therebetween on surfaces of the electrode plates respectively and are embedded in insulating resin materials being solidified. The insulating resin materials contain fillers that are selected from among prescribed materials of boron nitride, aluminum nitride, alumina and silica. In addition, connectors are arranged on other surfaces of the electrode plates in connection with the negative electrodes respectively.