Patent application number | Description | Published |
20090180156 | Image reading apparatus and image forming apparatus - An image reading apparatus is disclosed that includes a contact glass on which a document is placed; an imaging device configured to image a document image based on light reflected from the document through the contact glass; plural line image sensors arranged along a main scanning direction at positions where the document image is imaged and configured so that end portions of the line image sensors adjacent to each other similarly read same image data imaged at an overlapping area; a transmitted light quantity reduction unit disposed in the overlapping area on the contact glass and configured to reduce transmitted light quantity of a light transmitted through the contact glass; and a signal correction device configured to correct the signal intensity of the image data similarly read by the line image sensors adjacent to each other. | 07-16-2009 |
20090195843 | Image reading apparatus, document reading apparatus, and image forming apparatus - An image reading apparatus is disclosed that includes plural line image sensors partially overlapped with each other in an overlapped reading portion, the image reading apparatus characterized by: plural light sources disposed so as to face the overlapped reading portion; a light source turn-on unit sequentially and independently turning on the light sources; an optical unit converging each light emitted from the light sources onto the overlapped reading portion; and a position shift detecting unit detecting a position shift of a reading position of the line image sensors in the overlapped reading portion based on data of the overlapped reading portion. | 08-06-2009 |
20090266926 | ROLL PAPER TYPE RECORDING MEDIUM TRANSPORTING MECHANISM AND IMAGE FORMING APPARATUS - In a recording medium transporting mechanism, a flange member is attached on either side of a roll paper and the flange member has a diameter smaller than a maximum outer diameter of a roll paper. Support rollers support a corresponding one of the flange members in a rotatable manner. The support rollers are moveable along the axis of rotation of the roll paper. The sum of an outer diameter of corresponding one of the flange members and the support rollers is greater than a maximum outer diameter of the roll paper. A rewinding roller of at least a length equivalent to a distance between both sets of support rollers when the sets of support rollers are farthest apart is engaged with a support roller within the set of support rollers and can rotate the flange member in a rewinding direction over a desired amount of continuous time. | 10-29-2009 |
20100327515 | Roll-Sheet Feeding Device And Image Forming Apparatus - A roll-sheet feeding device having a roll sheet wound in a roll to feed a portion of the roll sheet to an image forming unit, includes a progressive mechanism to transmit a drive force from a drive source to transfer the portion of the roll sheet from the roll in a progressive direction, a roll-sheet drive mechanism to receive the drive force transmitted via the portion of the roll sheet transferred in the progressive direction, a rewinding mechanism to transfer the portion of the roll sheet in a direction opposite to the progressive direction via the roll-sheet drive mechanism to rewind the roll sheet, and a regenerating mechanism to obtain the drive force from the roll-sheet drive mechanism and transmit the obtained drive force to the progressive mechanism to regenerate the transmitted drive force as another drive force in addition to the drive force from the drive source. | 12-30-2010 |
Patent application number | Description | Published |
20090023007 | HIGHLY CRYSTALLINE SILVER POWDER AND METHOD FOR PRODUCING THE SAME - An object of the present invention is to provide highly crystalline silver powder which is characterized in fine particles, showing high dispersibility, it's particle size distribution is not excessively sharp but relatively broad and crystallites are large; and a method for producing the same. In order to achieve the object, a method for producing highly crystalline silver powder is characterized in that mixing a first aqueous solution and a second aqueous solution, wherein the first aqueous solution contains silver nitrate, a dispersing agent and nitric acid, and the second solution contains ascorbic acid. For dispersing agent, polyvinylpyrrolidone or gelatin is preferred. Highly crystalline silver powder produced by the above-described method is preferred to be a crystallite diameter of 300 Å or more, an average particle diameter D | 01-22-2009 |
20090032139 | TIN POWDER, MANUFACTURING METHOD OF TIN POWDER AND CONDUCTIVE PASTE CONTAINING TIN POWDER - Object of the invention is to provide a tin powder containing fine tin particles which performs fine pitch wiring circuit easily, excellent in filling the minute diameter via holes, and exhibits low temperature fusibility. In order to achieve the object, a copper powder slurry is prepared by adding a copper powder in water with agitation and a tin solution for deposition by substitution is prepared by adding an acid to an aqueous mixture solution containing a stannous salt and thiourea. Then the copper powder slurry and the tin solution for deposition by substitution are mixed with agitation in a certain ratio of tin in the solution against to copper in the slurry to deposit tin by substitution on the surface of the copper powder. As a result, the tin powder of the present invention is obtained. | 02-05-2009 |
20090116998 | HIGHLY CRYSTALLINE SILVER POWDER AND PRODUCTION METHOD OF HIGHLY CRYSTALLINE SILVER POWDER - Object of the present invention is to provide a production method of a highly crystalline silver powder containing powder particles in fine particle region and having a good particle size distribution as well as the highly crystalline silver powder obtained by the production method. In order to achieve the object, the present invention adopts a production method characterized in that the method comprises preparation of a first aqueous solution in which gelatin, silver nitrate and nitric acid are dissolved in water, preparation of a second aqueous solution in which L-sorbic acid and/or ascorbic acid and a water-soluble organic acid are dissolved, adding of the second aqueous solution slowly to mix with the first aqueous solution, stirring of the mixture to grow the silver particles after finishing the mixing, keeping of the mixture still to settle the silver particles, discarding of the supernatant, filtration and rinsing to obtain the highly crystalline silver powder. | 05-07-2009 |
Patent application number | Description | Published |
20090159729 | FUEL INJECTION VALVE - A fuel injection valve includes a housing, a stator, a movable core, a coil, a nozzle hole, a valve member, and at least one communicating passage. The housing receives the stator and movable core. An end face of the movable core has a non-contact surface and a contact surface. The non-contact surface and the stator define a space when the contact surface contacts the stator. The valve member is slidably received in a bore of the movable core. The valve member has a stopper engageable with the movable core such that the valve member is axially movable together with the movable core. The at least one communicating passage connects the space with a corresponding one of a first fuel passage and a second fuel passage of the housing. | 06-25-2009 |
20090200405 | FUEL INJECTION VALVE - A coil is provided radially outside a housing. Each of a stator and a moving core is formed from a magnetic material and substantially in a tubular shape. The stator and the moving core are located radially inside the housing and opposed to each other in an axial direction. The moving core is configured to move toward the stator when being drawn by magnetic attractive force caused between the moving core and the stator in response to energization of the coil. A valve element is movable together with the moving core in the axial direction and configured to open and close a nozzle hole for controlling fuel injection. The moving core and the valve element are separate components. The moving core has an inner periphery defining a through hole in which the valve element is slidable in the axial direction. The inner circumferential periphery has a surface-hardened layer. | 08-13-2009 |
20140084087 | FUEL INJECTION VALVE - A needle has a large-diameter portion, an outer diameter of which is larger than that of a shaft portion of the needle. A needle-side tapered surface is formed at the large-diameter portion on a valve closing side thereof, wherein the needle-side tapered surface is inclined by a needle angle with respect to a center axis of the needle. A core-side tapered surface is formed at a movable core, wherein the core-side tapered surface is inclined by a core angle with respect to the center axis of the needle. The needle and the movable core are brought into contact with each other via the needle-side and the core-side tapered surfaces. The needle angle and the core angle are made to be equal to each other. | 03-27-2014 |
Patent application number | Description | Published |
20090096875 | CAMERA-FITTED INFORMATION RETRIEVAL DEVICE - When instructions for retrieval is given in a portable information device, together with a camera image obtained by a camera, additional information including position information provided by a CPS device, orientation information of the camera provided by a geomagnetic sensor, lens focal length information and photographing magnification information of the camera is transmitted to a retrieval service server. The retrieval service server, based on the additional information, retrieves a target within a photographing range from the current position of the camera, and recognizes the target by image recognition or character recognition of the camera image, and returns these target-related information as a retrieval result to the portable information device. The portable information device, by specifying a desired target based on the retrieval result, can acquire contents of this target from a contents service server. | 04-16-2009 |
20100245680 | TELEVISION OPERATION METHOD - A television operation method whereby a desired content screen can be easily shown on a TV receiver by control operation on the display of a remote terminal. When the TV display of the TV receiver shows a received program screen and the remote display of the remote terminal shows another received program screen, if the screen shown on the remote display is transferred to the TV display, a reception remote control screen to enable channel selection appears on the remote display. If buttons are operated so as to show a related web screen on the remote display and transfer the related web screen to the TV display, a web remote control screen for control of a cursor on the related web screen appears on the remote display. | 09-30-2010 |
20100268783 | Content Delivery System, Delivery Server, Receiving Terminal, and Content Delivery Method - A transmitting terminal can transmit a content held by itself to a specific receiving terminal having no email software as if using a mailer. The transmitting terminal ( | 10-21-2010 |
20130311619 | Content Delivery System, Delivery Server, Receiving Terminal, and Content Delivery Method - A transmitting terminal can transmit a content held by itself to a specific receiving terminal having no email software as if using a mailer. The transmitting terminal ( | 11-21-2013 |
Patent application number | Description | Published |
20120147075 | LIQUID EJECTION APPARATUS, DRIVE CIRCUIT THEREOF, AND DRIVE METHOD THEREOF - According to one embodiment, a direct current voltage which has positive and negative potentials relative to a ground potential interposed therebetween is used as a drive voltage for electric charging/discharging to/from an actuator. | 06-14-2012 |
20120176430 | CAPACITIVE LOAD DRIVE CIRCUIT AND INKJET HEAD DRIVE CIRCUIT - According to one embodiment, a drive circuit of a capacitive load adjusts an impedance of at least one of the switches that are turned on to discharge a charge stored in the capacitive load back to a direct-current power source. | 07-12-2012 |
20140049574 | INKJET HEAD DRIVING DEVICE - According to one embodiment, an inkjet head driving device includes a load-voltage generating circuit and a plurality of channel driving circuits provided to respectively correspond to a plurality of channels of an inkjet head. The load-voltage generating circuit selects any one voltage out of a reference voltage and a driving voltage having potential other than the reference voltage and outputs the voltage. Each of the channel driving circuits includes a first input terminal, a second input terminal, a third input terminal, an output terminal, a series circuit, and a parallel circuit. | 02-20-2014 |