Class / Patent application number | Description | Number of patent applications / Date published |
358406000 | Facsimile measuring, testing, or calibrating | 79 |
20080204816 | Image forming system and grayscale characteristics correcting method - An image forming system includes a storing unit that stores a color test pattern made up of a set of test images for grayscale characteristic measurement; a print position setting unit that sets plural positions where the color test pattern stored in the storing unit is printed, based on paper size information supplied thereto; an outputting unit that outputs the color test pattern retrieved from the storing unit in plural positions on a printing medium according to the print positions set by the print position setting unit; a grayscale correction data creating unit that creates grayscale correction data according to results of calorimetric measurements of the test images of plural color test patterns printed on the printing medium; and a grayscale characteristic correction unit that corrects grayscale characteristics of print data to be printed, according to the grayscale correction data created by the grayscale correction data creating unit. | 08-28-2008 |
20080259407 | COMMUNICATING APPARATUS AND PROGRAM - It is an object to provide a communicating apparatus and its program in which in the case where the RTC pattern or the RCP frame cannot be received due to the noises or in the case where a modem diverges and data cannot be normally demodulated, a procedure signal can be certainly detected, the modem can advance to a low-speed mode, and a possibility of a communication error can be remarkably reduced. During the image reception, both a carrier of V.21ch2 modulation and data signal quality (EQM) in a high-speed mode are, in parallel, monitored. When the data signal quality (EQM) deteriorates to a value larger than or equal to a predetermined threshold value and the carrier of the V.21ch2 modulation is detected, the modem advances to the low-speed mode and the procedure signal is received. | 10-23-2008 |
20080278769 | SYSTEM AND METHOD FOR SELECTIVELY DISABLING DOCUMENT RENDERING - The subject application is directed to a system and method for selectively disabling document rendering. An electronic document is first generated having a customized operator. The generated electronic document is then communicated to an associated document rendering device. The generated electronic document is received by the associated document rendering device and the customized operator is parsed and executed so as to secure identification data representing an identity of the documents rendering device. The identification data is then tested. An output of a document rendering operation is then controlled in accordance with an output of testing of the identification data. | 11-13-2008 |
20080285089 | IMAGE FORMING APPARATUS AND CONTROL METHOD FOR THE SAME - For a network printer function and a network scan function, a trial using mode whose use frequency is limited can be set. When the preset trial using mode is finished, the use of the tried function is permitted according to setting of an exclusive key. | 11-20-2008 |
20090009817 | SCANNING APPARATUS AND WHITE CALIBRATION METHOD THEREOF - A scanning apparatus includes a lookup table generating unit to generate a multidimensional lookup table to convert input signals into standard signals, a minimum value computing unit to scan a white reference and compute minimum RGB values therefrom, a calibration region determining unit to establish a minimum size region in the lookup table that contains a background (BG) point where the computed minimum RGB values coincide, and a white point of the lookup table, and a calibrating unit to calibrate data values only in the established region to white values. Optimum color representation is provided, because only the white region is established and calibrated without influencing other color regions. | 01-08-2009 |
20090027733 | Recording media storage device, recording media processing device, and storage detection method - A check processing device accurately detects if the check storage unit is full. The check storage unit | 01-29-2009 |
20090059311 | Printer calibration - A method of calibrating a printing device includes storing current calibration data in the printing device; and modifying each incoming print job using the calibration data stored in the printing device. A printing device having a calibration function includes a memory storing current calibration data in the printing device; and an operator, executed by the printing device, configured to modify each incoming print job using the calibration data stored in the printing device. | 03-05-2009 |
20090153911 | Apparatus and Methods for Two Point Tone Reproduction Curve Calibration - Systems and methods provide increased accuracy in recalibrating the tone reproduction curve (TRC) for a photoelectric image sensor that senses density values. The sensor outputs sensed density values for tone patches. A recalibrated TRC is calculated from the original TRC, the known densities of the tone patches, and the sensed density values of the tone patches. | 06-18-2009 |
20090153912 | Scanner Calibration Strip, Scanner, and Method for Segmenting a Scanned Document Image - A scanner calibration strip medium is described which includes at least one of a plurality of text symbols and a plurality of halftoned non-text images. A scanner is described which includes a scan bar and a scanner calibration strip medium scannable by the scan bar. The calibration strip medium includes a plurality of text symbols having text pixels and a plurality of halftoned non-text images having halftoned non-text pixels. A method for segmenting a scanned document image into text symbols and halftoned non-text images is described which uses a scanner calibration strip medium which includes a plurality of text symbols having text pixels and a plurality of halftoned non-text symbols having halftoned non-text pixels, wherein the calibration strip medium has a known pixel classification including which pixels of the calibration strip medium are text pixels and which pixels of the calibration strip medium are halftoned non-text pixels. | 06-18-2009 |
20090231631 | Method for forming the separating lines of a photovoltaic module with series-connected cells - For forming the separating lines, ( | 09-17-2009 |
20090237741 | IMAGE FORMING APPARATUS, MAINTENANCE MANAGEMENT METHOD OF THE SAME, AND STORAGE MEDIUM FOR STORING PROGRAM THEREOF - An image forming apparatus includes a determination unit configured to determine an abnormal state of the image forming apparatus, a storage unit configured to store information indicating a state of the image forming apparatus, and a plurality of output units configured to output the stored information by different output methods. The image forming apparatus also includes a display unit configured to display information regarding each of the plurality of output units, and a selection unit configured to select an output unit designated by a user using the displayed information. The image forming apparatus outputs the stored information using the selected output unit. | 09-24-2009 |
20100020360 | HOST APPARATUS, IMAGE FORMING APPARATUS, AND DIAGNOSIS METHOD FOR IMAGE FORMING APPARATUS - A host apparatus, an image forming apparatus, and a diagnosis method for the image forming apparatus, the diagnosis method including: storing a printing image generated from print data according to a printing command; and generating a diagnosis image for the printing image based on the stored printing image and a defect image corresponding to a predetermined defect of the image forming apparatus. | 01-28-2010 |
20100020361 | HOST APPARATUS, IMAGE FORMING APPARATUS, AND DIAGNOSIS METHOD FOR IMAGE FORMING APPARATUS - A host apparatus, an image forming apparatus, and a diagnosis method for the image forming apparatus, the diagnosis method including: storing a printing image generated from print data according to a printing command; and generating a diagnosis image for the printing image based on the stored printing image and a defect image corresponding to a predetermined defect of the image forming apparatus. | 01-28-2010 |
20100027078 | MULTIPASS IMAGE SCANS FOR INCREASED MEASUREMENT RESOLUTION DURING CALIBRATION ROUTINES - Systems and methods are described that facilitate calibrating a print engine using calibration data sets generated at at least two different L* levels to provide additional calibration measurement resolution toward the darker end of the grayscale spectrum. For instance a first, light grey (e.g., 70-90L*) calibration strip is scanned at a first resolution (e.g., 70-90L*) to generate a first calibration data set, and a second darker grey (e.g., 30-50L*) calibration strip is scanned at high resolution (e.g., 100L*) to generate a second calibration data set. The first calibration data set is used to calibrate the print engine for high L* values (e.g., 50-100) and the second calibration data set is used to calibrate the print engine for low L* values (e.g., 0-50). Alternatively, a single calibration strip having a known L* value can be scanned once at the known L* value and again at a higher L* value (e.g., 100L*) to generate two calibration data sets, which are used to improve calibration resolution in the darker part of the spectrum. | 02-04-2010 |
20100177359 | MAINTENANCE WORK SUPPORT DEVICE, MAINTENANCE WORK SUPPORT METHOD, AND PROGRAM - A maintenance work support device which computes replacement information of a part configuring a device and supports maintenance work of the device includes: a storage unit storing information; and a control unit controlling the maintenance work support device according to the stored information. The storage unit comprises: a unit storing identification information and a replacement state for improving part quality as quality information; a unit storing device identification information and a replacement state by a past part failure as replacement history information; and a unit storing a part replacement record associated with a device use state as replacement record information. The control unit comprises a unit retrieving quality information, replacement history information, and part replacement record information based on identification information and a use state of an inspection target device and computes information of a part that needs to be replaced as replacement information based on the retrieval result. | 07-15-2010 |
20100214623 | IMAGE READING DEVICE AND IMAGE FORMING APPARATUS - There is provided an image reading device including: a light source; an image forming unit including plural optical members that receive reflection light reflected from the document and form an image from the received light; plural light receiving units that receive the light formed into an image by the image forming unit and convert the light to an electric signal; a storing unit that stores plural kinds of correction data; a detecting unit that detects an amount of relative positional shift between a light receiving unit and the image forming unit for each light receiving unit; and a correcting unit that selects correction data suitable for each light receiving unit from the plural kinds of correction data stored in the storing unit based on the detected amount of relative positional shift, and corrects the electric signal converted by each light receiving unit based on the correction data. | 08-26-2010 |
20100245930 | BANNER SHEET-BASED SAMPLING METHOD - The banner or cover sheet for a print job may be used for aperiodic sampling of transfer performance and/or fusing performance. Sensing pre-process and post-process is required. The resulting sampling is aperiodic and dependent on the job flow. In office products there is typically a frequent generation of cover sheets and the information collected in this way can be useful in system performance optimization. The concept is described for a tandem transfer system. | 09-30-2010 |
20100271667 | IMAGE READING APPARATUS AND COMPUTER READABLE MEDIUM - Disclosed is an image reading apparatus including: an image reading section to read an image; a storage section to store the image; and a control section to detect whether or not the image reading section is in a state of pausing reading of the image, to determine transfer speed of the image to an external device based on a detected result, and to transfer the image to an external device at a determined transfer speed. | 10-28-2010 |
20100284040 | CALIBRATION OF A RECORDING APPARATUS - The present invention relates to a method for changing a calibration of a recording apparatus ( | 11-11-2010 |
20100284041 | GEOMETRIC CORRECTION OF A RECORDING APPARATUS - The present invention relates to a method for changing the calibration of a recording apparatus ( | 11-11-2010 |
20100290091 | METHOD OF COMPENSATING FOR CLIPPING IN INPUT SCANNERS - Systems and methods are described that facilitate improving error estimation for calibration error due to clipping of pixels, and compensation therefor, during calibration of a scanner or printer. Calibration patches are measured at a first maximum pixel value threshold and at a slightly lower threshold value. Pixel values for the patches at each threshold are averaged, and a linear model is constructed, which is employed to predict error due to pixel clipping. The error is then compensated for when calibrating the scanner or printer. | 11-18-2010 |
20100302602 | IMAGE READING APPARATUS WITH FUNCTION OF CORRECTING FOR VARIATION OF LIGHT DISTRIBUTION - A correction value determination unit determines a light quantity correction value for each main scanning position of each original based on a reading value obtained by an image reading unit reading a reference member. An anomaly detection unit detects, based on the light quantity correction value with respect to the preceding original and the light quantity correction value with respect to the succeeding original, an anomaly in the correction value, and specifies a main scanning position at which the anomaly occurs. A modification unit modifies a reading value at the main scanning position at which the anomaly occurs, out of reading values obtained from the reference member with respect to the succeeding original, or a correction value for the main scanning position at which the anomaly occurs, out of light quantity correction values with respect to the succeeding original. | 12-02-2010 |
20110019241 | DYNAMIC TRANSFER FIELD CONTROL FOR VARIATIONS IN SUBSTRATE AND ENVIRONMENT - This invention relates to modifying built-in software in printing and copier machines. In particular, the modification will be to software relating to the transfer system control algorithms. This modification can take place when different paper, substrate, toner or environment changes. The purpose of this modification is to provide an optimum image quality when any of these conditions change. | 01-27-2011 |
20110032580 | SCANNING DEVICE AND SCANNING METHOD THEREOF - A scanning device and a scanning method thereof are provided. The scanning device includes a scanning group, a paper-feed roller and a calibration portion. The scanning group includes a line light source generating module and a scanning module. The line light source generating module includes a point light source, a light-guiding plate and a casing. The light emitted by the point light source along a first direction is converted into a line light source through a light-guiding plate disposed in the casing. The light emitted by the line light source along a second direction is emitted from an opening of the casing. The scanning module, along the first direction, includes a scan document region and a calibration region. The light reflected through the to-be-scanned document is received in the scan document region. The calibration portion disposed on the casing or the paper-feed roller corresponds to the calibration region. | 02-10-2011 |
20110038014 | METHOD AND APPARATUS FOR GENERATING IMAGE DATA OF DOCUMENT, AND COMPUTER-READABLE STORAGE MEDIUM FOR COMPUTER PROGRAM - A method is provided for generating image data of a document by reading an image depicted on the document having a plurality of surfaces to be read. The method includes: reading, by an image reader, a surface image that is an image depicted on each of the surfaces; detecting, by an error detector, a faulty surface that is a surface of the plurality of surfaces of the document and corresponds to a scanned image on which an error occurs, the scanned image being obtained by reading the surface image; reading, by the image reader, the surface image repeatedly until the error is not detected; and generating, by an image data generating portion, the image data by merging data on the plurality of the scanned images on which the error is not detected and which correspond to the surfaces. | 02-17-2011 |
20110043866 | DUAL OPTICAL PATH IMAGE SCANNER FOR AUTOMATIC IMAGE QUALITY MEASUREMENTS IN AN IMAGE PRODUCTION DEVICE - A method for automatically measuring image quality using a dual optical path image scanner an image production device is disclosed. The method may include receiving a signal to measure image quality, moving a flip-mirror into an optical path of the image scanner, initiating scanning and printing of a test image for measuring image quality, outputting the test image, and measuring image quality based on the output test image. | 02-24-2011 |
20110102855 | IMAGE COMMUNICATION APPARATUS - A modem transmission level and modem sensitivity which are communication control information corresponding to the connection form of each destination device are registered in advance in a destination information storage unit so as to be correlated with an abbreviated dialing number of the destination. When a communication instruction using an abbreviated dialing number is received, if a modem transmission level and modem sensitivity are registered in the destination information storage unit as corresponding to the received abbreviated dialing number, the modem is controlled based on those registered modem transmission level and modem sensitivity. If neither a modem transmission level or modem sensitivity is registered as corresponding to the received abbreviated dialing number, the modem is controlled according to a modem transmission level and modem sensitivity that are registered in advance in the apparatus. | 05-05-2011 |
20110122455 | METHOD AND APPARATUS FOR MEASURING IMAGE ON PAPER REGISTRATION - A method and apparatus for measuring image on paper registration including placing a test sheet of media including a plurality of test pattern marks on a platen of an image sensing device. The platen defines a scan area over which the image sensing device is capable of scanning an image. The image sensing device includes a plurality of calibration marks falling within the scan area. The method further includes operating the scanner to scan the test sheet; determining a scanned position of the calibration marks and a scanned position of the test marks resulting from the scan; comparing the scanned position of the calibration marks with reference position of the calibration marks to determine scanning error; determining an adjusted position of the test marks responsive to the scanning error; and comparing the adjusted test mark positions with predetermined reference positions to measure registration accuracy. An edge guide disposed on the platen assists in aligning the test sheet for scanning. | 05-26-2011 |
20110157656 | SCANNER WITH REAL-TIME CALIBRATION - A scanner includes a reference backing member, a scanning module, a transmission mechanism and a processing module. The scanning module scans the reference backing member and an original including first and second documents. The transmission mechanism moves one of the original and the scanning module relatively to the other. The scanning module scans the reference backing member and the original and successively obtains a first reference image signal representative of an image of the reference backing member, a first image signal representative of an image of the first document, a second reference image signal representative of the image of the reference backing member and a second image signal representative of an image of the second document. The processing module, coupled to the scanning module, compensates the first and second image signals according to the first and second reference image signals, respectively, to obtain first and second resulting signals. | 06-30-2011 |
20110199649 | METHOD AND DEVICE FOR PROCESSING VALUE DOCUMENTS - The invention relates to an apparatus and a method for processing value documents. A value document is input to the input opening of an apparatus for value-document processing and transported using a transport system of the apparatus to an image sensor which senses a partial image of the value document. A contour of the front partial area is ascertained from the sensed partial image and checked. If the check of the contour of the front partial area yields a fault, the value document is rejected. Faulty or faultily transported value documents can thus be recognized and transported back to the input opening at a very early time. | 08-18-2011 |
20110235129 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a storing section, an image forming section to form a measurement image to output a measurement chart, and a control section for inputting density information indicating densities at positions of the measurement image, to calculate a correction value corresponding to each position based on the density information, to store the value in association with an output condition including a screen condition indicating a screen processing at the time of outputting the chart, to determine the output condition of the image data, to read the value corresponding to the output condition, and to correct the image data based on the value, wherein the image forming section forms an image based on the corrected image data, and when no correction value corresponding to the screen condition of the input image data is stored in the storing section, the control section inhibits the correction from being executed. | 09-29-2011 |
20110292457 | Scanning Apparatus, Information Processing Apparatus, Program and Scanning System - A scanning apparatus which scans a document, includes: a scanning section which includes a scanning area and which scans the document in the scanning area; a control device which includes a position information capturing section which captures a position information indicating a position of the document on the scanning area when the document is scanned by the scanning section and a processing section which performs a plurality of processes with respect to an image data of the document scanned by the scanning section based on the position information captured by the position information capturing section. | 12-01-2011 |
20120099159 | DITHER-SYNCHRONIZED IMAGE SCANNING - An optical scanning device performs sequential scanning passes. Individual pixels are scanned in response to a clock whose frequency is dithered in repeatable cycles to reduce electro-magnetic interference, and scanning passes are coordinated with the repeatable cycles. | 04-26-2012 |
20120147436 | IMAGE PROCESSING APPARATUS THAT PREVENTS ERRONEOUS TRANSMISSION, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM - An image processing apparatus capable of preventing erroneous transmission due to a change in destination information in a shared address book. A CPU acquires destination information including at least an identifier and a destination, and a destination of the image data is designated from the acquired destination information. Information on the designated destination of the image data is stored in a destination usage history table. The CPU determines whether or not the acquired destination information has been changed by comparing the designated destination information and the destination information stored in the destination usage history table. If it is determined that the destination information has been changed, a screen for confirming the destination information is displayed. The destination information is designated from the acquired destination information according to a user's confirming operation on the displayed screen. | 06-14-2012 |
20120154873 | MODEM CONTROL APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM - This invention provides a mechanism which can attain at least one of an accurate measurement of a T0 timer and appropriate control of a CNG output timing in a FAX communication using AT commands. To accomplish this, in a modem control apparatus for controlling a modem using AT commands, the modem is set in a voice mode, an AT command including a dial number is sent to the modem set in the voice mode, the modem is set in a facsimile mode after completion of the dialing in the modem, and an AT command including no dial number is sent to the modem set in the facsimile mode so as to control the modem to begin to output a calling tone. | 06-21-2012 |
20120182589 | IMAGE PROCESSING APPARATUS AND METHOD OF MANAGING DATA TRANSMISSION - An image processing apparatus includes: an image reading unit that reads an image; an input unit that inputs data acquired by reading an image that is read by the image reading unit into a first storage unit; a read-out unit that reads out and transmits the data stored in the first storage unit; an image forming unit that forms an image on a recording medium by using the transmitted data; a measurement unit that measures time relating to the transmission of the data; and a storage control unit that stores a maximum value of the time measured by the measurement unit into a second storage unit. | 07-19-2012 |
20120200898 | FACSIMILE SERVICE SUPPORT DEVICE, SYSTEM, AND METHOD - An exemplary method herein operates to help diagnose and correct facsimile transmission errors. The method detects a first facsimile transmission error using an arbitrarily named “first” facsimile machine (which can be a sending facsimile machine or a receiving facsimile machine). The facsimile transmission error occurs during a first facsimile transmission sent from the sending facsimile machine to the receiving facsimile machine. Upon detecting the first facsimile transmission error, the sending facsimile machine automatically contacts a service center computer. The service center computer automatically connects the sending facsimile machine to the receiving facsimile machine through the service center computer. Then, the sending facsimile machine sends a test facsimile transmission to the receiving facsimile machine through the service center computer. The method automatically records sounds sent by the sending facsimile machine and the receiving facsimile machine using the service center computer to produce an audio diagnostic file and automatically forwards the audio diagnostic file to a service engineer for diagnosis. | 08-09-2012 |
20120250098 | IMAGE FORMING APPARATUS TO DETECT DENSITY UNEVENNESS AND DENSITY UNEVENNESS DETECTION DEVICE - An image forming apparatus comprising: an image forming section to carry out image formation of a linear test pattern; a measurement section to measure a line width of one line of the linear test pattern at a plurality of measurement points; and a detection section to detect density unevenness, wherein the detection section converts the measured line width into density and, eliminates a measurement point where the measured line width thereof is at most a predetermined value to detect density unevenness in an extending direction of the linear test pattern. | 10-04-2012 |
20130003131 | SCANNING BEAM DEVICE CALIBRATION - Scanning beam device calibration using a calibration pattern is disclosed. In one aspect, a method may include acquiring an image of a calibration pattern using a scanning beam device. The acquired image may be compared with a representation of the calibration pattern. The scanning beam device may be calibrated based on the comparison. Software and apparatus to perform these and other calibration methods are also disclosed. | 01-03-2013 |
20130027755 | Image Scanning Apparatus - In the aforementioned image scanning apparatus of this embodiment, a condensation detection patch includes pluralities of patch areas with different reflectances arranged adjacently. A data acquiring unit acquires measurement values of the condensation detection patch by an image sensor as condensation detection patch data. A condensation determining unit determines whether condensation occurs or not on the basis of the condensation detection patch data corresponding to one with a low reflectance of two patch areas arranged adjacently in the patch areas. | 01-31-2013 |
20130063787 | IMAGE FORMING APPARATUS AND ELECTRIC-POWER CONTROL METHOD USED IN THE IMAGE FORMING APPARATUS - According to an embodiment, an image forming apparatus includes: a detecting unit, a storing unit, a threshold determining unit, and a control unit. The detecting unit detects an ambient brightness level at an arbitrary time zone. The storing unit stores information indicating the brightness level detected by the detecting unit. The threshold determining unit determines a threshold serving as a criterion for switching into a low-power-consumption mode according to the information indicating the brightness level stored in the storing unit. The control unit controls switching into the low-power-consumption mode using the threshold determined by the threshold determining unit. | 03-14-2013 |
20130135686 | IMAGE PROCESSING APPARATUS AND METHOD FOR PERFORMING CALIBRATION FOR PRINTING - An image processing apparatus includes a measurement unit configured to read a patch image for a calibration which is printed on a recorded medium by a printing apparatus and measure a density of the patch image, a reception unit configured to receive spectral reflection factor information measured by reading the patch image for the calibration printed on the recorded medium by using a measurement device capable of measuring a spectral reflection factor at every predetermined wavelengths, and a processing unit configured to perform a calibration for a printing using the recorded medium by the printing apparatus on the basis of the density measured by the measurement unit and the spectral reflection factor information received by the reception unit. | 05-30-2013 |
20130194638 | IMAGE READING DEVICE CAPABLE OF DETECTING ABNORMAL PIXELS IN WHITE REFERENCE DATA - An image reading device includes a white reference member, reading device, and processor. The reading device includes lenses and light-receiving elements. The light-receiving elements output a plurality of pixel values based on a light reflected from the white reference member. Each lens corresponds to at least two light-receiving elements. Each light-receiving element is configured to receive a light reflected from the white reference member and passing through the corresponding lens and to output one pixel value. The processor acquires the pixel values by using the reading device, sets a target pixel, and determines that the target pixel is an abnormal pixel when an absolute value of difference between a pixel value of the target pixel and a pixel value of a first pixel is greater than a prescribed threshold. The first pixel is separated from the target pixel by an integer multiple of the predetermined lens-to-lens distance. | 08-01-2013 |
20130201532 | IMAGE INFORMATION MANAGING METHOD, IMAGE INFORMATION MANAGING APPARATUS, IMAGE INFORMATION MANAGING SYSTEM, AND EVALUATION CHART - An evaluation chart has test patterns, a first code mark, and a second code mark. The evaluation chart is electronically read at one time to obtain first code information that specifies measuring conditions for the evaluation chart and second code information that specifies image forming conditions for the evaluation chart. Quantized information of the test patterns that is measured under the measuring conditions is associated with the image forming conditions. | 08-08-2013 |
20130201533 | IMAGE EVALUATING APPARATUS, IMAGE EVALUATING METHOD, AND NON-TRANSITORY STORAGE MEDIUM - Standard positional information is acquired about a plurality of regions of interest to be quantified, which are designated in a standard image region. An image magnification which represents a size ratio of measurement image region represented by the image data to the standard image region is calculated. Positional information of a plurality of regions of interest depending on the measurement image region is calculated based on the acquired standard positional information and the calculated image magnification. | 08-08-2013 |
20130208323 | IMAGE READING APPARATUS, IMAGE READING METHOD AND A PROGRAM - A carriage motor which is a heat generating device is arranged next to a CIS in a scanner unit. The carriage motor drives respective transport rollers of an ADF unit via a gear system as well. The scanner unit makes a white reference board be read so as to obtain white reference data, and obtains black reference data more frequently than the white reference data, e.g., in a continuous process for reading a document. As a CIS module continues a reading process, the black reference data changes as being affected by a change in temperature in the CIS module, etc. The scanner unit deals with such a change in the black reference data by obtaining the black reference data more frequently. | 08-15-2013 |
20130250371 | TWO-DIMENSIONAL CALIBRATION OF IMAGE SENSOR ALIGNMENT IN OPTICAL SCANNERS - Disclosed is a method of processing image signals from a first and a second image sensor, both of a document scanner unit, where the first image sensor provides a first image, and the second image sensor provides a second image. The first and the second image are two-dimensional images wherein said first and second image are recorded at respective areas of a scanned medium, where a portion of the respective areas is recorded also by the other of the respective image sensors. Thereby image data from overlapping and non-overlapping areas are present in the first and the second image. The method comprises: correlating the first image with the second image, creating a correlation image and processing the correlation image to determine a displacement between the first and the second image. Consequently, a versatile calibration method is provided that can determine a displacement between the first and the second image in two dimensions. | 09-26-2013 |
20130258418 | COMPENSATING FOR IMAGE SENSOR PROFILE VARIATIONS - Disclosed is a method of scanning a physical medium by an image scanner comprising a first image sensor having a plurality of image sensor elements that provide an image, and a first light source associated with the first image sensor, the method comprising: guiding light from the first light source towards a first group of image sensor element(s); recording a first light calibration value using the first group of image sensor element(s). The method further comprises repeating the above step by using a second group of image sensor element(s) thus resulting in a second light calibration value; generating a first compensation signal for image sensor elements positioned between the first and the second group of image sensor element(s) by processing the first and the second light calibration value together; compensating said image signals provided by the first image sensor using the first compensation signal. | 10-03-2013 |
20130265616 | DISPLAY DEVICE WITH OPTICAL SENSOR INCLUDED AND IMAGE READING METHOD EMPLOYING SAME - Provided is a display device with photosensors that can achieve a scanner function without increasing the memory capacity for images. A display device with photosensors includes a visible light source and an invisible light source. The display device with photosensors further includes: a first photosensor that detects the amount of received light in a pixel region when the invisible light source is on; a second optical sensor that detects the amount of received light in the pixel region when the invisible light source is off; and a third photosensor that detects the amount of received light reflected from an object to be scanned, causing only display pixels respectively nearest to the third photosensors within a prescribed range in the pixel region to be in a display state, and causing other pixels in the prescribed range to be in a non-display state. Data obtained from the third photosensor is stored in a memory ( | 10-10-2013 |
20130293932 | IMAGE CAPTURING DEVICE, IMAGE SCANNER, AND IMAGE FORMING APPARATUS - An image capturing device includes a frame; a light source provided in the frame to irradiate a target with light; an image sensor that receives light reflected by the target to capture an image of the target; an imaging lens unit formed of a plurality of lenses configured to focus the light reflected by the target on the image sensor; and reflecting mirrors to direct the light reflected by the target to the imaging lens unit. In the image capturing device, an image capturing position is corrected by changing a posture of the reflecting mirror relative to the frame of the image capturing device and a skewed image is corrected by changing the posture of the reflecting mirror relative to the frame of the image capturing device. | 11-07-2013 |
20130301083 | IMAGE INSPECTION DEVICE, IMAGE INSPECTION SYSTEM, IMAGE INSPECTION METHOD, AND COMPUTER PROGRAM - A device comprises: a scanning unit configured to scan a printed material obtained by printing image data; a setting unit configured to set reference data based on the image data; and a determining unit configured to determine whether a printed material is proper by comparing the image data obtained by the scan with the reference data, wherein the setting unit sets again the reference data based on the image data obtained by the scan for a subsequent printed material in a case where the determining unit determines a printed material to be proper. | 11-14-2013 |
20140118794 | FAX MACHINE AND METHOD OF PERFORMING HANDSHAKING PROCESS BASED ON T.30 PROTOCOL - A method of performing handshaking between fax machines on the basis of T.30 protocol includes transmitting information on a first data rate selected to transmit a fax document to a receiving-side fax machine, transmitting a plurality of frames including bit strings predefined to test data transmission/reception at the first data rate prior to transmitting the fax document to the receiving-side fax machine, and receiving a message informing success or failure of the test. The transmitting of the frames includes determining a time duration of the transmitting the frames based on at least one of a TCF flag value and the first data rate. | 05-01-2014 |
20140118795 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image reading portion, an image processing portion, a storage portion, a storage selector portion, an image forming portion, and a control portion. The storage portion includes a first storage portion and a second storage portion with greater vibration resistance than the first storage portion, and stores image data scanned by the image reading portion and processed by the image processing portion. The storage selector portion selects one of the first storage portion and the second storage portion based on the strength of mechanical vibrations during an operation of the apparatus, and a data size of the image data. The control portion causes the image data to be stored in the storage portion selected by the storage selector portion, and controls the image forming portion to read the stored image data and form an image. | 05-01-2014 |
20140139888 | METHOD AND APPARATUS FOR SCANNING LARGE-FORMAT DOCUMENTS - A large-format scanner having an imaging element and connected to a PC by a standard interface of predetermined maximum bandwidth is provided with a variable-speed document feeder and with a device upstream of the imaging element for detecting the width transverse to the feed direction of a document being moved through the apparatus by the feeder. As soon as the document width is detected and before the document reaches the imaging element, any sensors of the imaging element that will not confront the document are turned off and the document speed is adjusted so that the sensors left on produce a data output of a bandwidth close to but below the maximum bandwidth of the interface, with wide documents being fed faster than narrow documents. | 05-22-2014 |
20140146370 | IMAGE REGISTRATION - An image registration method to register a target image with a reference image is provided, including to determine a target set of features present in the target image, to determine a reference set of features present in the reference image, to generate respective signatures for each feature in the target and reference sets, to match features from the target set to corresponding features in the reference set using the signatures, to generate respective transformations to map pairs of features in the target set to corresponding pairs of features in the reference set, and determine a similarity transformation for the target image using a measure of the accuracy of the transformations. | 05-29-2014 |
20140153058 | SCANNER CALIBRATION CORRECTING FOR FOREIGN MATTER DEBRIS - Devices and methods calibrate an optical scanner by having the scanner scan a calibration surface. The scanner includes a lens causing a distortion of items scanned. During the calibration process, such devices and methods perform a compensation process to remove the distortion from signals output by the scanner when performing the scanning to identify at least one surface irregularity on the calibration surface. After performing the compensation process, the devices and methods adjust the calibration process (using the processor) to apply correction for pixels affected by the surface irregularity. Then, after adjusting the calibration settings, such devices and methods finalize the calibration process and store the scanner settings, again using the processor. | 06-05-2014 |
20140185102 | Scanner and Process for Detecting a Scan Lid Open Condition - A scanner and process for detecting a scan lid open condition. The scan lid open condition is detected by aligning two scan bars with one another, illumining one of the scan bars with a predetermined illumining pattern and during the illumining, scanning the illumined scan bar with the other scan bar. The response of the scanning scan bar is compared with an expected response for the illumining pattern with the scan lid closed. If a positive comparison occurs, the scan lid is closed. If a negative comparison occurs, the scan lid is open. | 07-03-2014 |
20140211268 | CALIBRATION OF SCANNING DEVICES - Systems and methods for calibrating scanning devices are described. The method comprises dividing a dark scan image of a calibration strip into one or more regions. The dark scan image is further analyzed to obtain at least one data point from each of the one or more regions. Further, calibration values for each of the one or more regions are computed based on the at least one data point for calibrating the scanning device. The calibration values include mean and standard deviation of the data points for each of the one or more regions. | 07-31-2014 |
20140268247 | Systems and Methods for Efficiently Capturing High-Quality Scans of Multi-Page Documents with Hand-Held Devices - Capturing a sequence of images of a multi-page printed document is performed by a handheld device, such as a Smartphone. The device has one or more processors, memory, and a digital image sensor. The device monitors preview images of a first printed page of the multi-page printed document, where the preview images are generated by the digital image sensor. Without user indication of when to capture an image, the device captures a still image of the first printed page when a first quality metric of the preview images exceeds a first quality threshold. The device repeats the monitoring and capturing of additional pages until receiving indication from the user that capturing images is complete. In response to receiving indication from the user that capturing images is complete, the device concatenates the captured still images into a single digital document and stores the single digital document. | 09-18-2014 |
20140293363 | IMAGE INSPECTION SYSTEM AND IMAGE INSPECTION METHOD - There is provided an image inspection system. An image reading unit reads a formed image which is formed on a recording medium based on original image data to generate read image data. A determination unit compares the read image data and the original image data to determine whether or not the formed image includes a defective region. An extraction unit extracts an image of characters present around the defective region from the read image data. An image display device displays the image of the characters and an image of the defective region such that both the images overlap with each other. | 10-02-2014 |
20140293364 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An image reading apparatus includes: a light amount adjustment portion which performs light amount adjustment on a light source such that the maximum value of the analog output of an image sensor does not exceed the upper limit value of an input voltage range of an ND conversion portion but approaches the upper limit value; a temperature sensor which measures a temperature; and a storage portion which stores a temperature at the time of the light amount adjustment. When an absolute value of a temperature difference between a temperature stored in the storage portion and the current temperature is less than a threshold value, the light amount adjustment portion does not perform the light amount adjustment whereas when the absolute value is equal to or more than the threshold value, the light amount adjustment portion performs the light amount adjustment. | 10-02-2014 |
20140355071 | FACSIMILE REQUIREMENTS MONITORING - Embodiments of the present invention provide a method, system and computer program product for facsimile requirements monitoring during facsimile transmission of a form. In an embodiment of the invention, a method of facsimile requirements monitoring during facsimile transmission of a form is provided. The method includes loading a document directed for facsimile transmission by a facsimile data processing system, identifying within the document a facsimile requirement that a particular location within the document include end user supplied data, determining whether or not the particular location specified by the facsimile requirement includes end user supplied data, and generating an error message in the facsimile device responsive to a determination that the particular location lacks any end user supplied data. | 12-04-2014 |
20150049368 | Image Forming Apparatus Ensuring Short Warm-Up Time by Efficiently Heating Fixing Unit - An image forming apparatus includes a fixing unit, a temperature sensor, a storage unit, a drive-frequency initial setting unit, a power measuring unit, and a drive-frequency adjusting unit. The fixing unit is configured to perform induction heating using a coil unit. The drive-frequency initial setting unit is configured to establish an initial-setting value for a drive frequency of the coil unit based on the temperature-frequency relationship information stored in the storage unit and on the temperature measured by the temperature sensor immediately before a power activation of the fixing unit. The power measuring unit is configured to measure power consumption of the fixing unit at the drive frequency established by the drive-frequency initial setting unit. The drive-frequency adjusting unit is configured to adjust the drive frequency of the coil unit based on the power consumption measured by the power measuring unit. | 02-19-2015 |
20150055189 | SYSTEM AND METHOD FOR SCANNING OBJECTS - In a method for scanning a book including a plurality of pages, a property of the plurality of pages is measured between a plurality of points on the top of the book and a plurality of points on the bottom of the book to generate a plurality of data values. The plurality of data values are grouped into a plurality of levels corresponding to the plurality of pages. A determination is made for each of the plurality of the points at each of the plurality of levels whether ink is present. Pixel data is generated, indicative of one of the presence or absence of ink at each of the plurality of points for each of the plurality of levels. An image is generated using the pixel data for each of the plurality of levels. | 02-26-2015 |
20150062661 | POSITION DETECTING APPARATUS, AND LENS APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A position detector, includes: a scale having first and second patterns having respective first and second period; a detector array including elements each detecting energy intensities based on the patterns; a generator configured to generate first and second signals having phases different from each other obtained based on the patterns respectively; and a deriver deriving a position of the array relative to the scale based on the signals, wherein the scale is movable relative to the array; the deriver derives a reference position as a detection element array position relative to the scale based on the signals, performs a first process to derive a array position relative to the scale by a array displacement relative to the reference position is derived based on the first signals, and performs a second process in which a relative array position is derived based on the position derived by the first process. | 03-05-2015 |
20150092249 | FACSIMILE APPARATUS - A facsimile apparatus includes a first interface configured to connect to a telephone line; a second interface configured to connect to a network, and a controller. The controller is configured to execute: a detection processing in which the controller detects reception of a signal indicating transmission of facsimile data, and an upload processing in which the controller transmits facsimile data, which is received from a transmission source apparatus to an upload destination server, which is an upload destination apparatus. When executing the upload processing, the controller is configured to further execute an obtaining processing in which the controller obtains a reception capability of the upload destination server, a determining processing in which the controller determines capability information on the basis of the reception capability, and a notification processing in which the controller notifies the transmission source apparatus of the capability information determined in the determination processing. | 04-02-2015 |
20150109641 | SCANNED IMAGE CALIBRATION DEVICE AND METHOD THEREOF FOR ADJUSTING A SCAN FREQUENCY - A device for calibrating scanned image includes a scanning unit arranged in a paper transmitting path for capturing texts and images on a document and transferring into electrical signals, a set of transmitting device which includes at least a first transmitting roller arranged upstream to the scanning unit, and a second transmitting roller arranged downstream to the scanning unit. There is no other transmitting roller arranged between the first and the second transmitting rollers, the distance between the first and the second transmitting rollers is shorter than the length of the document, and the second transmitting roller is faster than the first transmitting roller. A paper sensor is arranged in the paper transmitting path for detecting the position and the velocity of the document, and a control unit is connected with the paper sensor and the scanning unit to adjust the scan frequency in response to the position and the velocity of the document. | 04-23-2015 |
20150116787 | POSITION ADJUSTMENT APPARATUS OF IMAGING UNIT, THE IMAGING UNIT, AND IMAGE READING APPARATUS INCLUDING THE IMAGING UNIT - A position adjustment apparatus couples an imaging unit, which includes an imaging sensor and a focusing lens unit, to a base frame and is capable of adjusting a position of the imaging unit. The image sensor reads a document image and the focusing lens unit forms the document image by using the image sensor. The position adjustment apparatus may include an adjustment frame on which the focusing lens unit and the image sensor are installed, a height fixing member for coupling the adjustment frame to the base frame so as to fix a height of the adjustment frame at a fixed support position, and first and second adjustment members for coupling the adjustment frame to the base frame so as to adjust the height of the adjustment frame at first and second adjustable support positions. An image reading apparatus may include the imaging unit and the position adjustment apparatus. | 04-30-2015 |
20150146264 | APPARATUS, METHOD FOR CONTROLLING APPARATUS, AND STORAGE MEDIUM - An apparatus includes an obtaining unit configured to obtain first image data obtained by reading, performed by a reading unit, a chart on which an image has not been formed by an image forming unit and second image data obtained by reading, performed by the reading unit, a chart formed by the image forming unit, and an estimation unit configured to change the second image data using the first image data and estimate a cause of an abnormality that has occurred in the image forming unit from a feature amount obtained by analyzing the changed image data. | 05-28-2015 |
20150381854 | DOCUMENT READING DEVICE AND IMAGE FORMING APPARATUS - A document reading device includes: a document feed section; a contact glass plate on which an original document is fed from the document feed section; a white color reference member beside a front surface of the contact glass plate; a first reading unit beside a back surface of the contact glass plate, configured to read the original document on the front surface of the contact glass plate or the white color reference member; and a positioning member configured to position the white color reference member to be read selectively between a first reading position being the same position as the original document in contact with the front surface of the contact glass plate and a second reading position away from the front surface of the contact glass plate by a document passage clearance allowing the original document to pass between the contact glass plate and the white color reference member. | 12-31-2015 |
20160036997 | IMAGE READING APPARATUS AND METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM - An image reading apparatus includes a reading unit that has multiple pixels for performing image reading, a driving unit that outputs a driving signal to the pixels of the reading unit, and a connection unit that connects the reading unit to the main body of the image reading apparatus. An identification signal is inserted by the driving unit at a specific pixel among ineffective pixels that do not react to external light among the pixels of the reading unit, and detection of whether or not the reading unit is connected correctly to the main body of the image reading apparatus by the connection unit is performed by examining the signal level of the specific pixel. | 02-04-2016 |
20160037003 | MANAGEMENT SYSTEM AND CONTROL APPARATUS AND CONTROLLING METHOD SUITABLE FOR MANAGEMENT OF TONER - Provided is a control apparatus that manages expendable supplies appropriately so as a trouble unexpected to an image forming apparatus does not happen. An image forming apparatus has a detecting circuit that detects identification information of a container when replacing the container of expendable supplies and transmitting circuit that transmits event information including detected identification information to the control apparatus. The control apparatus has a receiving circuit that receives the event information. An identification information determining circuit of the control apparatus compares the identification information of the container included in the received event information with a management table that manages shipped expendable supplies. Thereby, the identification information of the container corresponds to the shipped expendable supplies is determined. If not correspond to the shipped expendable supplies, the notice circuit notifies content that shows not corresponding to the image forming apparatus. | 02-04-2016 |
20160044183 | FAX MAINTENANCE SYSTEM AND METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A fax maintenance system includes a fax machine. The fax machine includes an operation fault detector and an output unit. The operation fault detector detects an operation fault of a predetermined type which occurs in the fax machine. The output unit outputs information indicating an occurrence of an operation fault of the predetermined type and setting information concerning an operation fault of the predetermined type. | 02-11-2016 |
20160057301 | Scanning Apparatus and Sheet Conveyer - A scanning apparatus is provided with a conveyer having a plurality of conveying rollers and configured to convey an original sheet, a scanning device configured to scan the original sheet, and a controller. The controller is configured to execute a detection process of detecting an error which causes stoppage of conveying the original sheet by the conveyer, an identifying process of identifying a type of the error detecting in the detecting process, and a notification process of notifying a user of an operation which the controller encouraging the user to execute when the controller causes the conveyer to re-convey the original sheet that has been stopped, depending on the type of the error identified by the identifying process. | 02-25-2016 |
20160065754 | IMAGE READING DEVICE AND IMAGE FORMING APPARATUS - A white reference plate includes in addition to a rectangular portion disposed at an optical adjustment position, white reference portions between an optical adjustment position and a document size detection position outside a document reading region (i.e., outside contact glass) in a main scanning direction. In response to an opening and closing detecting section detecting opening and closing of a document conveyance unit during optical adjustment, a drive section moves a scanning section from the optical adjustment position to the document size detection position. The white reference portions are disposed at locations above respective opposite end parts of the scanning section in a main scanning direction, so that optical adjustment can be performed using an output value that the scanning section obtains by reading the white reference portions without interruption even during or after the movement. | 03-03-2016 |
20160065773 | IMAGE READING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD - Provided is an image forming apparatus that converts a manuscript into an electronic file except for a blank page. A blank paper elimination processing part reads a manuscript, determines whether or not a blank paper for each page, and converts the manuscript into an electronic file except for a blank paper determining page determined to be a blank paper. An insertion page receiving part receives designation of the page inserted in the electronic file when there is restoration instruction for the blank paper determining page. Blank paper restoration processing part, when the page received by the insertion page receiving part is the blank paper determining page, as corresponded to the page number of the manuscript of the received page, the manuscript of the received page is converted into electronic file form and inserts between the pages of the electronic file. | 03-03-2016 |
20160142561 | IMAGE READING APPARATUS - An image reading apparatus includes a reader that reads an image of a document by using plural light receiving elements arranged in a first scanning direction; a moving unit that moves the reader in a second scanning direction to move a reading position at which the reader reads the document; and an adjusting unit that moves the reader in the first scanning direction to adjust a position of the reader in the first scanning direction. | 05-19-2016 |
20160156786 | MANAGEMENT METHOD OF ELECTRONIC EQUIPMENT | 06-02-2016 |
20160185047 | FOUR-IN-ONE THREE-DIMENSIONAL COPY MACHINE - A three dimensional (3D) printing device or apparatus includes a housing, a rotatable surface contained within the housing that is configured to rotate in a substantially horizontal plane relative to a bottom surface of the housing. The 3D printing device further includes a vertical track in communication with the rotatable surface that guides the rotatable surface when the rotatable surface moves in a direction perpendicular to the substantially horizontal plane, a scanning module, including a camera and a laser, a printer head configured to deposit one or more layers of printing material on the rotatable surface, and a printer carriage configured to guide the printer head when the printer head deposits the one or more layers of printing material. | 06-30-2016 |