Abstract: Conventionally, an electrophotographic image forming apparatus by means of an electrophotographic image forming process has a process cartridge which integrates the electrophotographic photosensitive body and process means into a cartridge which can be detachably mounted on the image forming apparatus. In order to obtain a fine image in that kind of image forming apparatus, it is necessary that the process cartridge is mounted accurately at a predetermined position in the image forming apparatus and interface portions of various electrical contacts and driving transmission part are accurately connected. For improvement, process cartridges having well mountability are provided.

Abstract: A ceramic electronic component (20) having surface conductor films (23) and side-surface conductor films (24) excellent in burning shrinkage, bonding strength, solder heat resistance, solder wettability and the like. A method of producing a ceramic electronic component which uses a conductive paste containing as a main component Ag-based metal powder, the surface of the metal powder being coated with an organic metal compound or a metal oxide having as a constituting element any one selected from Al, Zr, Ti, Y, Ca, Mg and Zn, to form conductor films (23, 24 25) on a ceramic base material (21). A side-surface conductor film-forming paste differs form a surface conductor film-forming paste in that (1) the former paste has a relatively small coating amount of the organic metal compound or metal oxide and/or (2) contains either at least one kind of inorganic oxide powder as an accessory composition or a comparatively high percentage of the inorganic oxide powder.

Abstract: With a conventional image-display system, a presenter sometimes has difficulty in providing every viewer with an easy-to-see picture.

Abstract: Disclosed is a functional element for use in an electric, an electronic or an optical device, and a method for producing the same. The functional element comprises a substrate having on an upper surface thereof a plurality of metal oxide needles extending upwardly of the upper surface of the substrate, with their respective central axes arranged substantially in parallel with each other, wherein the needles have a specific average circle-based diameter and a specific average aspect ratio, and wherein the needles are present at a specific density at the upper surface of the substrate.

Abstract: A novel water jetting device achieves a water jet of a wide range and an economization of water without using an electric drive device. A water jetting body 10 is so vortex chamber 4 with its water jetting spout 11 confronting the outside of the force receiving member 12 that a force receiving member 12 can oscillate in a position inclined in the vortex chamber 4. A vortex flow thus established in the vortex chamber 4 is caused to make a flow velocity difference around the force receiving member 12, and a force generated on the basis of the flow velocity difference is exerted upon the force receiving member 12 to oscillate the water jetting body 10 in the inclined position in the vortex chamber 4 thereby to jet the cleaning water in the vortex chamber 4 from the water jetting spout 11.

Abstract: A system consisting of a plurality of terminals storing image data and an image displaying device which are connected with each other through a network capable of two-way communication has the disadvantage of decreasing in throughput on account of slow image data transfer over the network.

Abstract: The present invention provides a novel water spray technique that extends a cleansing area in a two-dimensional manner without moving a nozzle. A nozzle head 170 has a water swirling chamber 171, which is located immediately below a nozzle opening 31 and connects with the nozzle opening 31 via a small-diametral connection pipe 163. The water swirling chamber 171 is formed as a hollow room having a tapered inner wall. A head flow path 34 is eccentrically connected to the water swirling chamber 171. Cleansing water flowed through the head flow path 34 into the water swirling chamber 171 swirls along the tapered inner wall of the water swirling chamber 171 as shown by the arrow SY and is sprayed from the nozzle opening 31 in a spiral (cone-shaped) form.

Abstract: A part according to the invention is designed so that a plurality of parts each identical to the part are arranged in the same attitude in parallel with a part moving direction on a guide (40), and includes projections (10f5, 10f6) for pushing abutment surface (10f7) provided on a preceding part placed on the guide, while maintaining the attitude of the preceding part, and an abutment surface (10f7) to be pushed by projections (10f5, 10f6) provided on a succeeding part placed on the guide. The projections and the abutment surface are provided in an area of the part, which area is selected to avoid an area required to have dimensional precision. Accordingly, it is possible to supply the part to an assembly process without causing damage to the area required to have dimensional precision.

Abstract: A silver halide color reversal photographic material comprises, on a transparent support, at least one each of blue-, green-, and red-sensitive emulsion layer units. The lightsensitive material further has means for regulating an interimage effect. The red-sensitive unit satisfies the relation: 620 nm≦&lgr;rmax≦660 nm &lgr;rmax is the wavelength at which the maximum sensitivity of the spectral sensitivity distribution of the red-sensitive unit is given. The red- and green-sensitive units satisfy the relations: Sr(&lgr;rmax)−Sr(580)≦1.0 and −0.5≦Sr(580)−Sg(580)≦0.5 Sr(&lgr;rmax) is the maximum sensitivity of the red-sensitive unit, Sr(580) and Sg(580) are the sensitivity at 580 nm of the red- and green-sensitive unit, respectively. Magnitude of the interimage effect satisfies the relations: IIEgr≧0.15 and IIErg≧0.0 IIEgr is the magnitude of the interimage effect from the green- to red-sensitive units, and IIErg is that from the red- to green-sensitive units.

Abstract: A silver halide color photographic material comprises at least one blue-sensitive emulsion layer (BL layer), at least one green-sensitive emulsion layer (GL layer) and at least one red-sensitive emulsion layer (RL layer) on a support. A maximum absorption wavelength of the green-sensitive emulsion layer represented by &lgr;max(G) is in the range of 500 nm≦&lgr;max(G)≦570 nm. The photographic material further has at least one short-wavelength-green-sensitive emulsion layer (CL layer) meeting the following requirements (i) and (ii): (i) a maximum absorption wavelength of the CL layer represented by &lgr;max(C) being in the range of 490 nm≦&lgr;max(C)≦560 nm, and 80 nm≧&lgr;max(G)−&lgr;max(C)≧5 nm, and (ii) the total iodine amount of silver halide grains contained in the CL layer being in the range from 60% to 300% of that contained in the green-sensitive emulsion layer.

Abstract: A cleaning water jetting device 40 formed so as to rotate a nozzle by a fluid pressure and capable of reducing the size of the drive part of a pump for feeding fluid to a chamber and an operation cost, comprising an upper side through-hole 6A recessedly formed in edge shape provided in the ceiling of the chamber 2 and a bottomed concave part 43 formed in round hole shape provided in the bottom surface thereof, wherein the nozzle 4 is installed by inserting a reduced diameter part 7 on a nozzle tip side at the nozzle tip side into the upper side through-hole 6A and the bottom portion 44 into the concave part 43, and kept in such a state in the upper side through-hole 6A as to face a cleaning fluid jetting port 5 toward the outside of the through-hole, to be rotated, and to allow the position thereof to be changed in a nozzle axis O direction, and can be revolved around the center axis thereof in the tilted attitude relative to the center axis P of the upper side through-hole 6A.

Abstract: A ceramic electronic component (20) having surface conductor films (23) and side-surface conductor films (24) excellent in burning shrinkage, bonding strength, solder heat resistance, solder wettability and the like. A method of producing a ceramic electronic component which uses a conductive paste containing as a main component Ag-based metal powder, the surface of the metal powder being coated with an organic metal compound or a metal oxide having as a constituting element any one selected from a group consisting of Al, Zr, Ti, Y, Ca, Mg and Zn, to form conductor films (23, 24 25) on a ceramic base material (21). A side-surface conductor film-forming paste differs form a surface conductor film-forming paste in that (1) the former paste has a relatively small coating amount of the organic metal compound or metal oxide and/or (2) contains either at least one kind of inorganic oxide powder as an accessory composition or a comparatively high percentage of the inorganic oxide powder.

Abstract: A cartridge detachably mountable on an image forming apparatus, including a frame and a blade member held by the frame, wherein a double-sided adhesive tape is stuck between the frame and the blade member along the lengthwise direction of the blade member.

Abstract: An electrophotographic photosensitive drum for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the process cartridge includes a charging roller for electrically charging the photosensitive drum and a developing roller for developing a latent image formed on the drum, the drum includes a drum helical gear, mounted to one end of the cylinder, for transmiting a rotational driving force to a transfer roller provided in a main assembly for transmiting a rotational driving force to the charging roller and the developing roller, wherein a shaft portion provided at a central portion of the drum helical gear at a position where it is completely overlapped with a teeth of the drum helical gear with respect to a longitudinal direction of the cylinder, wherein a gap is provided between the teeth and a peripheral surface of the shaft portion; a projection, provided at a free end of the shaft portion, for engagement with a hole formed in the main assemb

Abstract: A novel water jetting device achieves a water jet of a wide range and an economization of water without using an electric drive device. A water jetting body 10 is so assembled in a vortex chamber 4 with its water jetting spout 11 confronting the outside of the force receiving member 12 that a force receiving member 12 can oscillate in a position inclined in the vortex chamber 4. A vortex flow thus established in the vortex chamber 4 is caused to make a flow velocity difference around the force receiving member 12, and a force generated on the basis of the flow velocity difference is exerted upon the force receiving member 12 to oscillate the water jetting body 10 in the inclined position in the vortex chamber 4 thereby to jet the cleaning water in the vortex chamber 4 from the water jetting spout 11.

Abstract: A process cartridge detachably mountable to a main assembly of an electrophotographic apparatus, said cartridge includes a photosensitive drum; process means; a first contact portion provided on a bottom surface of a cartridge frame provided at one longitudinal end, the first portion being guided by a first assembly side guide when the cartridge is mounted, wherein the first portion is disposed at a leading portion with respect to a cartridge mounting direction, and the first portion is mounted to a first assembly side receiving portion when the cartridge is mounted; a cartridge coupling disposed above the first portion, the coupling being engageable with a assembly side coupling to receive a rotational force from the assembly; a second contact portion provided on a bottom surface of a cartridge frame provided at one longitudinal end of the photosensitive drum, the second portion being disposed behind the first portion with respect to the mounting direction, wherein the second portion is effective to limit ro

Abstract: The present invention provides a conductive paste for an outer electrode of an electronic part comprising glass frit, a vehicle and conductive particles, wherein the glass frit comprises (1) substantially no lead oxide; and (2) as an oxide unit, B2O3 in an amount of 5.0 to 30.0% by weight, SiO2 in an amount of 10.0 to 60.0% by weight and at least one oxides selected from the group consisting of BaO, ZnO, Al2O3 and Na2O wherein a content of BaO is 60.0% by weight or less, a content of ZnO is 30.0% by weight or less, a content of Al2O3 is 12.0% by weight or less and a content of Na2O is 15.0% by weight or less; an outer electrode of an electronic part obtained by calcining the conductive paste; and a process for producing an outer electrode which comprises the step of calcining the conductive paste at a temperature of 500 to 750° C.

Abstract: A silver halide color photographic material includes at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer and at least one red-sensitive emulsion layer, on a support. The photographic material further includes at least one short-wavelength blue-sensitive emulsion layer that has a weight-averaged wavelength (&lgr;v) of spectral sensitivity distribution of 400 nm≦&lgr;v≦460 nm and that is substantially free a yellow coupler.

Abstract: A silver halide color reversal photographic material comprising a layer capable of imparting interimage effects, this interimage effects imparting layer comprising a lightsensitive silver halide emulsion comprising silver halide grains satisfying the following conditions (i) to (iii). (i) The silver halide grains have an average silver iodide content of more than 6 to 39 mol %. (ii) Grains occupying 60% or more of a projected area of all the silver halide grains are those of triple or greater multiplicity structure having at least one layer of high silver iodide content, the silver iodide content being 8 mol % or more, which layer of high silver iodide content is one formed using silver in an amount of 15 to 80 mol % based on that used in obtaining final grains. (iii) All the silver halide grains have surfaces having an average silver iodide content of 10 mol % or less.

Abstract: An end member to be used for a process cartridge, which includes an electrophotographic photosensitive member, a developing member for developing a latent image formed on the electrophotographic photosensitive member, a developer-containing portion for containing a developer to be used for development with the developing member, a developer-passing opening through which the developer contained in the developer-containing portion passes when the developer is fed to the developing member, and a seal member for unsealably sealing the developer-passing opening. The end member is provided with a separable grip member for being gripped when the seal member is removed, which grip member is connected with one end portion of the seal member in a lengthwise direction thereof, and the seal member is passed through a through hole formed in the grip member to be heated and fixed on the grip member.