Patent application number | Description | Published |
20100115589 | Apparatus for determining facsimile transmission authorizer and facsimile machine having the apparatus - In a facsimile machine having the function of authorization by the authorizer, an authorizer determining apparatus that can alleviate workload on the authorizers is provided, and a facsimile machine having such an authorizer determining apparatus is also provided. The authorizer determining apparatus for the facsimile machine includes a candidate selecting unit selecting, based on a sum of condition values of a plurality of attributes (such as sender, destination, and format of document to be transmitted) selected in advance for a facsimile transmission, a set of authorizer candidates consisting of possible authorizers having condition values not smaller than the sum, and an authorizer determining unit for determining an authorizer candidate having the lowest condition value among the set of authorizer candidates. | 05-06-2010 |
20140192380 | IMAGE FORMING APPARATUS - The image forming apparatus includes an image processing portion for creating image data of a document read by an image reading portion and a communication portion for transmitting the created image data to a server or cloud, and obtains the image data saved in the server or the like to perform required processing, in which a reduced image generating portion for creating reduced image data based on the created image data, a main storage portion for linking the reduced image data and a saving destination of the data serving as original thereof for storage, and a display portion for displaying an operation screen are included, and the reduced image data stored in the main storage portion is displayed on the display portion to select image data for which the required processing is performed. | 07-10-2014 |
20150156362 | INPUT DEVICE, IMAGE FORMING APPARATUS, APPLICATION EXECUTING METHOD, CONTROL DEVICE, IMAGE DISPLAY DEVICE AND IMAGE FORMING SYSTEM - An input device is connected to a display device and an image forming apparatus having an energy saving function. When a prescribed operation instruction suggesting that edition of an image will end soon is received before receiving a print instruction, the input device issues an activation signal causing recovery from an energy saving state to a ready state to the image forming apparatus. Receiving the activation signal, image forming apparatus starts warming-up. | 06-04-2015 |
Patent application number | Description | Published |
20100303248 | STANDING WAVE DETECTION APPARATUS AND METHOD OF CONTROLLING THE SAME - To efficiently detect a standing wave generated in a room, a standing-wave detection apparatus for detecting a standing wave in a predetermined space, comprises: a sound-receiving unit adapted to receive a sound generated from a sound source arranged in the predetermined space; a storage unit adapted to store time series sound pressure level data acquired by the sound-receiving unit during movement along a path in the predetermined space; an adjustment unit adapted to adjust the time series sound pressure level data stored in the storage unit, based on an adjustment curve determined using a lower envelope of the time series sound pressure level data stored in the storage unit; and a detection unit adapted to detect an existence position of a standing wave in the predetermined space based on the adjusted time series sound pressure level data. | 12-02-2010 |
20120063605 | ACOUSTIC APPARATUS - Measurement signals for calculating acoustic characteristics of the acoustic space are reproduced in a plurality of periods at sound reproduction intervals. A picked-up signal is acquired by picking up a reproduced signal. The picked-up signal is divided for each period, and the acoustic characteristics of the acoustic space are calculated from an arithmetic unit of the divided periodic signals and the measurement signal. Before sound reproduction, a background noise signal in the acoustic space is measured, and a peak frequency component of a frequency characteristic of the background noise signal is detected. The number of periods and sound reproduction intervals of measurement signals to be reproduced are controlled so as to cancel out a detected peak frequency component at the time of calculating arithmetic unit. | 03-15-2012 |
20120155662 | AUDIO APPARATUS, CONTROL METHOD FOR THE AUDIO APPARATUS, AND STORAGE MEDIUM - An audio apparatus includes a sound generation unit configured to generate a measuring signal, a sound collection unit configured to obtain a sound collection signal, a detection unit configured to detect a level difference between the sound collection signal and background noise, a characteristic calculation unit configured to extract each signal period of the measuring signal from the sound collection signal, a feature amount calculation unit configured to calculate a feature amount representative of sudden noise for each period based on each of the period signals, and a determination unit configured to compare feature amounts of the periods and to remove, from periods to be used for averaging the period signals, a period or periods whose feature amounts are not within a range between a threshold value and a minimum value of the feature amounts as a reference, wherein the threshold value is determined according to the detected level difference. | 06-21-2012 |
Patent application number | Description | Published |
20140185826 | NOISE SUPPRESSION APPARATUS AND CONTROL METHOD THEREOF - A noise suppression apparatus selectively uses an adaptive beamformer and fixed beamformer for each frequency. A direction of a null of the fixed beamformer is determined from a direction of a null automatically formed by the adaptive beamformer. Filter coefficients of the adaptive beamformer based on an output power minimization rule are calculated by a minimum norm method using a norm of the filter coefficients as a constraint. The above selection is made based on, for example, a depth of a null automatically formed by the adaptive beamformer in the selection. | 07-03-2014 |
20150139446 | AUDIO SIGNAL PROCESSING APPARATUS AND METHOD - An audio separating apparatus obtains a matrix by performing time-frequency conversion on an input audio signal. The audio separating apparatus divides the obtained matrix into at least a basis matrix and an activity matrix, and classifies base spectra that configure the respective columns of the basis matrix into first base spectra corresponding to a target sound and second base spectra corresponding to a non-target sound. | 05-21-2015 |
20150208169 | SOUND FIELD CORRECTION APPARATUS, CONTROL METHOD THEREOF, AND COMPUTER-READABLE STORAGE MEDIUM - An impulse response between a sound-producing source and a listening point in an acoustic space is measured. A frequency characteristic serving as the processing target of sound field correction is derived from the impulse response. A level difference at a boundary frequency between a level representing a low frequency band and a level representing middle and high frequency bands is calculated for the low frequency band equal to or lower than the boundary frequency and the middle and high frequency bands higher than the boundary frequency in the frequency characteristic. The level of a target characteristic in the low frequency band in the frequency characteristic is decided to set the level difference after sound field correction to be equal to or smaller than a predetermined value. | 07-23-2015 |
20160044411 | SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD - A signal processing apparatus acquires an audio signal of channels using a sound acquisition unit, at least a part of which is within a housing of the apparatus, and obtains an audio signal of channels from a microphone provided outside the housing. The apparatus processes an audio signal in accordance with a first propagation characteristic indicating propagation of sound associated with a direction of a sound source, in a case of processing an audio signal acquired by the sound acquisition unit and processes an audio signal in accordance with a second propagation characteristic different from the first propagation characteristic, in a case of processing an audio signal obtained by the microphone. The signal processing apparatus estimates a sound source direction using an audio signal processed by the first processing unit or an audio signal processed by the second processing unit. | 02-11-2016 |
Patent application number | Description | Published |
20090087213 | CHARGING DEVICE INCLUDING CHARGING ROLLER AND CLEANING ROLLER - A charging device, a process cartridge, and an image forming apparatus are provided. The charging device includes a charging roller configured to charge an image carrier and a cleaning roller configured to clean the charging roller while making contact with a surface of the charging roller. The charging device further includes a bearing member including a first portion configured to rotatably support a rotational shaft of the charging roller and a second portion configured to rotatably support a rotational shaft of the cleaning roller. The charging device also includes an elastic member provided outside of the second portion of the bearing member with respect to an axial direction of the rotational shaft of the cleaning roller such that the charging roller makes contact with the image carrier when the first portion of the bearing member is pressed by the elastic member. | 04-02-2009 |
20110123239 | Lubricant applicator, process unit including the lubricant applicator, transfer unit including the lubricant applicator, and image forming apparatus including the process unit or the transfer unit - A lubricant applicator includes a lubricant and a rotatable lubricant application member. The rotatable lubricant application member contacts the lubricant and an application target to apply the lubricant to the application target while rotating. The lubricant application member includes a core member, a first wound portion including a bristle member wound spirally around the periphery of the core member in a first direction, and a second wound portion including a bristle member wound spirally around the periphery of the core member in a second direction opposite the first direction in an axial direction of the core member. A process unit includes the lubricant applicator. A transfer device includes the lubricant applicator. An image forming apparatus includes at least one of the process unit and the transfer device and the lubricant applicator. | 05-26-2011 |
20110170908 | Lubricant supplying device, process cartridge, and image forming apparatus - A lubricant applying unit that applies lubricant to a photosensitive element includes solid lubricant blended with fatty acid metal salt, a lubricant supplying brush roller, a lubricant applying blade, and a biasing unit of the solid lubricant. In addition, a lubricant applying unit that applies lubricant to an intermediate transfer belt includes solid lubricant blended with inorganic lubricant, a lubricant supplying brush roller, a lubricant applying blade, and a biasing unit of the solid lubricant blended with the inorganic lubricant. | 07-14-2011 |
20110206431 | Image forming apparatus - An image forming apparatus includes an image carrier, a cleaning device having a cleaning member that comes into contact with a surface of the image carrier, and a lubricant applying device provided on the downstream side of the cleaning member. The lubricant applying device includes a solid lubricant, a lubricant supply roller, and a trailing type lubricant smoothing blade that is provided on the downstream side of the lubricant supply roller, and comes into belly contact with the surface of the image carrier. After image carrier is stopped, constantly or under a predetermined condition, the surface of the image carrier is moved in a direction opposite to an image forming direction. The opposite movement distance is equal to or more than the shortest distance between a contact point between the lubricant supply roller and the image carrier and a contact point between the lubricant smoothing blade and the image carrier. | 08-25-2011 |
20110262179 | CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER - A cleaning roller cleaning a surface of a cleaning component, wherein the cleaning roller is provided in a roller configuration having a cylindrical shape and has a portion in contact with the cleaning component, the portion being made of a melamine resin foam having a continuous foam structure, the melamine resin foam being provided by heating compression from an original configuration in a radial direction, and wherein the portion in contact with the cleaning component has a continuous foam structure and a tensile strength in a range of 1.7±0.5 kg/cm | 10-27-2011 |
20140119769 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR - An image forming apparatus includes a rotatable image bearer, a charging member to contact a surface of the image bearer and charge the image bearer, an exposure device to expose the image bearer and form a latent image, a developing device to develop the latent image on the image bearer into a toner image, a transfer device to transfer the toner image from the image bearer onto a transfer medium, and a cleaning blade to contact the surface of the image bearer and remove toner from the image bearer after image transfer. The charging member has surface unevenness created by projections and recesses extending in a direction of rotation of the image bearer. The cleaning blade is configured to abrade projections formed on the surface of the image bearer. | 05-01-2014 |
20140161501 | IMAGE FORMING DEVICE - In an image forming device, an image formation unit operated in a monochrome mode includes a lubricant applying unit and a charging device to supply a DC voltage superimposed with an AC voltage to an image carrier, and each of image formation units operated only in a color mode includes a charging device to supply a DC voltage to an image carrier, and one of the image formation units arranged on a downstream side of the image formation unit operated in the monochrome mode in a moving direction of an intermediate transfer member includes a cleaning device having a blade member in which a proximal edge portion contacts the image carrier to remove residual toner from the image carrier, and the proximal edge portion is made of an elastic rubber having a 100% modulus value of 6 MPa or greater at 23° C. | 06-12-2014 |
20140193172 | CLEANER, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING THE CLEANER - A cleaner is provided. The cleaner includes a cleaning blade having an edge to be contacted with a surface of a member to be cleaned while moving relative to the member to clean the surface of the member. The cleaning blade includes the edge, and first and second side surfaces, wherein the edge is disposed between the first and second side surfaces. When the cleaning blade is not contacted with the surface of the member to be cleaned, the first side surface is opposed to the surface of the member, and when the cleaning blade is contacted with the surface of the member, the edge, and the first and second side surfaces of the cleaning blade are contacted with the surface of the member. | 07-10-2014 |
20140233998 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - A disclosed image forming apparatus forms a toner image on a surface of a surface moving image bearing body and eventually transfers and fixes the toner image onto a recording medium to form an image on the recording medium and removes, by a cleaning apparatus, an adhered matter which is adhered to the surface of the image bearing body after the transferring. In the image forming apparatus, a glass transition temperature (Tg) of a toner is 40-60° C., and the cleaning apparatus causes a tip ridgeline portion of a blade member to be abutted against the surface of the image bearing body to remove the adhered matter from the surface of the image bearing body, and the tip ridgeline portion of the blade member is made of elastic rubber whose 100% modulus value at 23° C. is at least 6 MPa. | 08-21-2014 |
20140341629 | CLEANING BLADE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - A cleaning blade includes a blade member formed of a strip-shaped rubber material and having a leading-edge ridge line portion to contact a moving surface of a cleaning target member and remove adhering matter from the surface of the cleaning target member. The blade member has a Martens hardness of 1.0 N/mm | 11-20-2014 |
20150355566 | CHARGING ROLLER, CHARGING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME, AND METHOD OF CALCULATING RESISTANCE OF CHARGING ROLLER - A charging roller to apply voltage to a target to charge the target has a surface having a color set in one of a range according to CIE L*a*b* color space and a range according to CIE XYZ color space, and the range according to CIE L*a*b* color space is defined as 32.6≦L*≦50.9, 0.51≦a*≦1.12, and 6.0≦b*≦8.4; and the range according to CIE XYZ color space is defined as 8.8≦X≦21.0, 9.1≦Y≦21.3, and 5.7≦Z≦11.8. | 12-10-2015 |
20150370217 | BLADE MEMBER, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - A blade includes an elastic member including a tip ridgeline to contact the surface of a member to contact. The tip ridgeline includes an impregnation layer impregnated with a cured compound comprising an acrylate or methacrylate compound having an alicyclic structure including 6 or more carbon atoms in its molecule, and has an elastic power in the range of 50% to 80%. | 12-24-2015 |
20160097987 | IMAGE FORMING APPARATUS - An image forming apparatus, includes an image carrier; a power supply; a charging member, to which the power supply applies a direct current (DC) charging voltage, to charge a surface of the image carrier; and a controller. The controller causes the power supply to apply, to the charging member, the DC charging voltage of a sum of a reference voltage VC and a correction amount α, so that a charged potential VD of the surface of the image carrier assumes a target value that is substantially equal to the reference voltage VC; and to increase an absolute value of the correction amount α to be added to the reference voltage VC in inverse proportion to an absolute value of the reference voltage VC, when the absolute value of the reference voltage VC is smaller compared to a case in which the absolute value of the reference voltage VC is greater. | 04-07-2016 |
Patent application number | Description | Published |
20100024862 | Substrate Provided with Transparent Conductive Film for Photoelectric Conversion Device, Method for Manufacturing the Substrate, and Photoelectric Conversion Device Using the Substrate - Provided in this invention is a low-cost substrate provided with a transparent conductive film for photoelectric conversion device, which can improve performance of the photoelectric conversion device by enhanced light confinement effect achieved with effectively increased surface unevenness of the substrate. A method for manufacturing said substrate and a photoelectric conversion device using said substrate which can show improved performance are also provided. The substrate provided with the transparent conductive film for the photoelectric conversion device comprises a transparent insulating substrate and a transparent electrode layer containing at least zinc oxide deposited on the transparent insulating substrate, wherein the transparent electrode layer is composed of a double layer structure wherein first and second transparent conductive films are deposited in this order from a substrate side. The transparent conductive film has an average film thickness of 10-500 nm, and the second transparent conductive film has an average film thickness of 300-1,500 nm. The average film thickness of the second transparent conductive film is larger than that of the first transparent conductive film, and an average height difference of the unevenness on the surface of the second transparent conductive film is 10-300 nm, which is larger than that of the first transparent conductive film. | 02-04-2010 |
20100275996 | SILICON-BASED THIN-FILM PHOTOELECTRIC CONVERSION DEVICE - The invention intends to provide a silicon-based thin-film photoelectric conversion device with conversion efficiency improved at low cost. Specifically, disclosed is a thin-film silicon-based photoelectric conversion device ( | 11-04-2010 |
20110061715 | THIN FILM PHOTOELECTRIC CONVERSION DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided is a thin film photoelectric conversion device with maximized output characteristic, by improving an uneven current value of a photoelectric conversion cell caused by an uneven film thickness and an uneven film quality of a photoelectric conversion semiconductor layer, which may be generated in scaling up an integrated-type thin film photoelectric conversion device. The thin film photoelectric conversion device includes: a substrate, a transparent electrode layer, a photoelectric conversion unit, and a back electrode layer. An increasing rate ΔZt of the film thickness Zt of the transparent electrode layer along X and an increasing rate ΔZs of the film thickness Zs of the photoelectric conversion unit along X have different signs, whereas one line segment in a parallel direction to a main surface of the substrate is taken as X″. | 03-17-2011 |
20130118580 | TRANSPARENT ELECTRODE FOR THIN FILM SOLAR CELL, SUBSTRATE HAVING TRANSPARENT ELECTRODE FOR THIN FILM SOLAR CELL AND THIN FILM SOLAR CELL USING SAME, AND PRODUCTION METHOD FOR TRANSPARENT ELECTRODE FOR THIN FILM SOLAR CELL - Disclosed are: a transparent electrode having a zinc oxide film wherein initial characteristics and humidity resistance during long-time use coexist; and a thin film solar cell provided with said electrode. The transparent electrode contains a transparent conductive layer mainly made of zinc oxide. The transparent conductive film preferably has the following characteristics: having surface irregularities; a carrier concentration of 9×10 | 05-16-2013 |