Abstract: An image reading device includes first and second reading units, first and second converting units, and a setting unit. The first and second reading units include N-number of first sub-regions and M-number of second sub-regions, respectively. Each converting unit includes L-number of channels. Each channel converts analog signal into digital signal. When the setting unit sets the double-sided read mode, P-number of first sub-regions are connected to the first converting unit and M-number of second sub-regions are connected to the second converting unit. When the read mode setting unit sets the single-sided read mode, P-number of first sub-regions are connected to the first converting unit and the remaining first sub-regions are connected to the second converting unit. L is greater than or equal to M and smaller than or equal to N. N is smaller than or equal to 2×L.

Abstract: An image processing apparatus includes an image forming instructing section that notifies an image forming section, whether to perform a first printing processing with a plurality of colors including at least one chromatic color or a second printing processing with only black. A data obtaining section obtains pixel data from a plurality of pixels constituting an image; and an operating section inputs designated color data. A pixel data extracting section extracts pixel data of colors, except for a designated color indicated by the designated color data inputted through the operating section, from pixel data obtained by the data obtaining section. A printing type selecting section selects the first or second printing processing based on each pixel data extracted by the pixel data extracting section. The image forming instructing section notifies the printing type selected by the printing type selecting section as the type of printing processing to be performed.

Abstract: An image reading device includes a charge-coupled device that generates and outputs an image signal, a timing generator that outputs a frequency-modulated clock, a modulation signal detector that detects a modulation signal being a signal corresponding to a change in frequency of the clock, an amplitude controller that controls an amplitude of the modulation signal, and a signal combining unit that superimposes the modulation signal after the amplitude is controlled on the image signal.

Abstract: Provided is an apparatus and method for detecting an image enhanced from a low resolution image to a high resolution image. An apparatus detects an image converted from a first resolution to a higher second resolution. A frequency converter converts a received second resolution image signal to a frequency domain. An image determiner calculates energy per frequency from the received second resolution image signal. If an amount of energy in over a pre-set frequency is less than a threshold, the received second resolution image signal corresponds to a second resolution image converted from a first resolution image, and if the amount of energy in over the pre-set frequency is greater than the threshold, determining that the received second resolution image signal corresponds to a real second resolution image.

Abstract: An image reading device includes a reading unit and a controller connected to the reading unit through a transmission path. The controller includes: a first clock generator which generates a first reference clock; a second clock generator which generates a second reference clock; a line synchronizer which generates a line synchronization signal based on the first reference clock; a clock transmitter which transmits the line synchronization signal and a unit clock based on the first reference clock to the reading unit; and a processor which execute a process based on the second reference clock and which is synchronized with the line synchronization signal. The reading unit includes a reading sensor which reads a document line by line based on the unit clock and the line synchronization signal.

Abstract: An image reading device includes a processing circuit having a clamp unit that matches an offset potential of an inputted analog image signal to a predetermined value, a processing unit that subjects an analog image signal obtained from the clamp unit to analog processing, and a converting unit that converts a processed analog image signal to a digital image signal. A control unit for controlling the processing circuit includes a switching unit that switches a main scanning line period of a charge coupled device and outputs analog image signals using a number of reading speeds, and a changing unit that changes a clamp period depending on the main scanning line period.

Abstract: An image reading apparatus reads a document on a line-by-line basis by using a reading unit. The image reading apparatus includes a modulation unit configured to modulate a clock signal at a predetermined period, a trigger signal generation unit configured to generate trigger signal for reading one line in the reading unit, a driving signal generation unit configured to generate a driving signal of the reading unit based on the clock signal output from the modulation unit and the trigger signal, and an output unit configured to change output timing of the driving signal within a range of the predetermined period each time the trigger signals are output predetermined times.

Abstract: An information processing apparatus which converts input image data having a data format before conversion into image data having a data format after conversion is disclosed. The information processing apparatus includes a data format storing unit which stores processing capability information of the information processing apparatus and information of the data formats after conversion by correlating the processing capability information with the information of the data formats after conversion, a processing capability information determining unit which determines the processing capability information of the information processing apparatus, and a data format conversion controlling unit which converts the input image data having the data format before conversion into the image data having the data format after conversion based on the determined result by the processing capability information determining unit by referring to the data format storing unit.

Abstract: An image reader is provided, which includes a first analog front end unit configured to perform A/D conversion for analog signals that are output via a first group of channels of a number resulting from rounding up, to a closest whole number, an average value between a number of at least one channel for a first image reading unit and a number of channels for a second image reading unit, among analog signals output from the first image reading unit and the second image reading unit, and a second analog front end unit configured to perform A/D conversion for analog signals that are output via a second group of channels other than the channels in the first group, among the analog signals output from the first image reading unit and the second image reading unit.

Abstract: An image reading apparatus for reading an image on an original includes a reading unit for optically reading the image of the original while the image is illuminated by light from a light source; a moving unit for moving the reading unit relative to the original; a position signal generator for outputting a position signal in accordance with movement of the reading unit by the moving unit; a lighting control unit for controlling the light source for lighting for a first period in synchronism with the position signal; and an output control unit for generating a control signal for outputting an image signal corresponding to the image read by the reading unit after the light source lights for the first period and for outputting the image signal for a second period in synchronism with the control signal.

Abstract: A circuit module integrating a light driver and an optical scanner is capable of sensing an image of a document and driving a light source. The circuit module comprises a printed circuit board, an optical sensor and a light driver. Both the optical sensor and the light driver are mounted on and electrically connected with the printed circuit board. The optical sensor is capable of sensing the image and the light driver is capable of driving the light source.

Abstract: An image reading apparatus and an image forming apparatus including the image reading apparatus. The image reading apparatus includes a photoelectric converter to convert incident light into an analog image signal, a drive unit to drive the photoelectric converter by a frequency modulated clock signal, an overlapping circuit to overlap an anti-phase analog signal to the analog image signal fluctuating according to the frequency modulated clock signal with a same amount of fluctuation as that of the analog image signal, and an analog digital converter to convert the overlapped analog image signal into a digital output.

Abstract: In image processing according to the prior art, the important part of photographic image data (referred to herein as the object) could not be determined and therefore required human participation. A computer 21 which is the core of image processing calculates an edginess which is an image variation from a differential value of data for adjacent picture elements in a step SA110, and determines object picture elements by selecting only images with a large variation in steps SA120, SA130. As optimum parameters for contrast correction and lightness compensation are calculated from image data for object picture elements in steps SA310-SA330, image processing indicators based on object picture elements are determined, and optimum image processing can be performed automatically.

Abstract: An image reading apparatus includes a clamp-ratio controlling unit configured to change at least one of a clamp period and a line period for each read operation mode, wherein the clamp-ratio setting unit provides a control so that a clamp ratio that is a ratio between the clamp period and the line period is constant through all read operation modes. The clamp period is a period for performing clamp processing for setting a black level to a constant, which is an absolute black reference of an analog image signal output according to a quantity of light at a time of receiving reflected light from a document, and the line period is a read period of one line in the sub scanning direction.

Abstract: An image reading apparatus equipped with an illuminating device having little tint variation. A lamp unit illuminates an original with light, and includes a plurality of white LEDs, and a plurality of auxiliary LEDs that emit lights of different colors and arranged in a manner associated with the white LEDs. A CPU causes auxiliary LEDs to be lighted, so as to correct a color of light emitted from each of the white LEDs. An image reading unit reads the original illuminated by the lamp as an image.

Abstract: An image reading apparatus includes: a frequency modulation unit that generates a clock whose frequency is modulated by an arbitrary modulation cycle; a modulation cycle setting unit that sets the modulation cycle; a driving unit that drives the photoelectric conversion element by the clock; a signal generating unit that generates an analog signal corresponding to a frequency change of the clock; an amplification inversion unit capable of amplifying an alternating current component of the analog signal with an amplification factor corresponding to a setting value set externally, and capable of switching between inversion and non-inversion; a signal superimposing unit that superimposes the analog image signal on an analog signal output from the amplification inversion unit; and a controlling unit that calculates a feature amount, and that controls the amplification factor and the inversion or the non-inversion of the amplification inversion unit based on a calculation result.

Abstract: An apparatus for scanning a photograph with PictBridge capability is provided, which includes a light source, an image sensor, a signal converter, a PictBridge encoder, and a universal serial bus (USB) controller. The light source projects a scanning light onto an object to be scanned. Upon contacting with the object to be scanned, the scanning light is reflected as a reflected light. The image sensor receives the reflected light and then transmits an image signal to the signal converter to be converted into a digital image data. The digital image signal is encoded by the PictBridge encoder to a direct-printing code. Finally, the USB controller encodes the direct-printing code into a universal serial bus signal and transmits to a printer via a USB wire, so as to print the image by the printer.

Abstract: An image inputting apparatus has an image reading device and a storage medium that can be removably loaded into the image reading device, and a controller that causes the storage medium to store image data read through the image reading device. The apparatus includes an image analyzing section and a data converting section. The image analyzing section analyzes image format information previously stored in the storage medium. The data converting section converts the image data read through the image reading device, conversion being performed based on an analysis result of the image analyzing section. The controller causes the storage medium to store the image data read through the image reading device. The image format information includes a file format, the number of colors, the size of image, and the type of primary colors.

Abstract: A circuit module integrating a light driver and an optical scanner is capable of sensing an image of a document and driving a light source. The circuit module comprises a printed circuit board, an optical sensor and a light driver. Both the optical sensor and the light driver are mounted on and electrically connected with the printed circuit board. The optical sensor is capable of sensing the image and the light driver is capable of driving the light source.

Abstract: An image acquiring device includes a scanning module, an optical signal transmission medium and a mainboard module. In the scanning module having a rechargeable battery, a scanning unit scans a document to obtain an electrical document signal, a first signal converter is connected to the scanning unit and converts the electrical document signal into an optical document signal, and a first signal transmitting unit is connected to the first signal converter and receives and outputs the optical document signal. The optical signal transmission medium is connected to the first signal transmitting unit. On a mainboard of the mainboard module, a second signal input/output unit is connected to the optical signal transmission medium and receives the optical document signal, and a second signal converter is connected to the second signal input/output unit and converts the optical document signal into the electrical document signal.

Abstract: The present disclosure provides a repeated sampling method for image scanning. In one or more embodiments, the sampling method may comprise a sample treatment procedure for the data of an image scanning device during the scanning of an image. The method may comprise sampling, sorting, eliminating one or more group-departing values, and getting a mean value, etc. The sampling procedure may involve scanning a single point of the image several times to produce several sets of sampling values. The sorting procedure may involve sorting the several sets of sampling values after being sampled according to their magnitude. The eliminating group-departing values procedure may involve obtaining the relatively larger values and relatively smaller values from the several sets of sampling values after being sorted. The getting mean value procedure may involve obtaining a mean value from the several sets of sampling values.

Abstract: An image processing device includes an analog processing unit configured to perform line-clamping on an analog electric signal representing image data and to output the line-clamped analog electric signal as an analog image signal, and a fixed electric potential supplying unit configured to supply a fixed electric potential. There is also a variable electric potential supplying unit configured to supply a variable electric potential, a first switch configured to start and stop the line-clamping, and a second switch configured to select the fixed electric potential or the variable electric potential. The image processing device is configured to turn on the first switch at such a timing that an influence of a distorted response waveform, which distorted response waveform is generated when the variable electric potential is switched to the fixed electric potential by the second switch, is reduced.

Abstract: A method of changing driving sequence to output a charge coupled device signal, the method is applied to a scanner. The scanner has a pixel processor and a charge coupled device. A plurality of charge signals detected by the charge coupled device is sequentially output to the pixel processor according to the driving sequence. In the method of changing the driving sequence to output the charge coupled device signal, a fast driving sequence is provided. The fast driving sequence has a period equal to 1/N of the original driving sequence. According to the fast driving sequence, the charge signal is sent to the pixel processing circuit. The charge signals are sampled by the processing circuit according to a sampling sequence, and the data obtained by sampling is output.

Abstract: A reference voltage generating unit generates a plurality of analog reference voltages, and an A/D converting unit converts the analog reference voltages thus generated and an analog input voltage input from an external device to digital reference values. A CPU generates, based on the analog reference voltages and the digital reference values converted from the analog reference voltages, an equation for correcting the analog input voltage to be converted to a digital value falling in a range of the digital reference values. With the equation generated, the CPU calculates the analog input voltage for the digital value obtained by conversion.

Abstract: In a multifunction product including a plurality of input sources and a plurality of output destinations corresponding to the function thereof, there are an input document class that fits an input document input from the input source to a common format regardless of the input sources and manages the input document, a user document class that obtains user images of a predetermined size to be processed from the input document and manages the user document formed of the obtained user images, and an output document class that uses the output image created from the user images constituting the user document to create an output document reshaped in a format to be output to the output destination and output the output document.

Abstract: An apparatus for compensating for pixel distortion while reproducing hologram data includes an extraction unit, a determination and calculation unit, a table, and a compensation unit. The extraction unit extracts a reproduced data image from a reproduced image frame including the reproduced data image and borders. The determination and calculation unit determines position values of edges of the extracted reproduced data image, and calculates average magnification error values of pixels within line data from position values of start and end point pixels thereof, which are based on the determined position values of the edges. The table stores misalignment compensation values for the pixels within the line data, wherein the misalignment compensation values correspond to predetermined references for average magnification error values.

Abstract: An image-reading device includes a plurality of image sensor chips, a switch, an output selector and a controller. The plurality of image sensor chips is juxtaposed along a line extending in a widthwise direction of an original document carrying images thereon. Each image sensor chip includes a plurality of image sensors, reads the images on the original document, and generates image signals. The switch is configured to combine at least two image sensor chips into one virtual image sensor chip. The output selector allows the image signals from the virtual image sensor chip and remaining image sensor chip to be outputted. The controller controls the switch depending on the width of the original document, and controls, depending on the width of the original document, the output selector to allow the image signals to be outputted.

Abstract: An image processing apparatus including, an image processing unit that performs a first image processing on image data including one or more image constituent parts, an incompatible part detection unit that executes an incompatibility detection processing, and an accounting unit that accounts for the executed incompatibility detection processing. Preferably, the incompatibility detection processing detects an incompatible part incompatible with the first image processing from the image constituent parts.

Abstract: Various implementations of this invention provide a method of color transformation of image data that included: providing at least two units, each unit comprising a combination of a plurality of look-up tables and a M×N matrix; providing image data configured in a first color space; processing the image data using a first unit to generate an output; and processing the generated output using a second unit to generate a second output; wherein the plurality of look-up tables are used to transform an input color space to a device dependent color space, and the M×N matrix is used to perform one of at least converting color data defined in standard space to data defined in XYZ space and converting image data defined in XYZ space to image data defined in LAB space.

Abstract: A method of scanning a portion of a document using an electronic device includes activating a data input to a picture element of the display to illuminate the portion of the document, in which the document is located proximate to the display. The method also includes deactivating the data input and measuring, by way of the data input, a signal from a photosensitive device, the signal being indicative of the light reflected from the illuminated portion of the document.

Abstract: A print data generation apparatus includes a pattern data registration unit, a pattern data conversion unit and an image conversion unit. The pattern data registration unit registers pattern data corresponding to a print image readable by an electronic pen printed on a recording medium. The pattern data conversion unit converts the print image into the pattern data registered in the pattern data registration unit. The image conversion unit converts the pattern data converted by the pattern data conversion unit into drawing data of the print image.

Abstract: There is described an apparatus, which includes an image-forming section to form a multicolor image on a recording medium by recording the unicolor images in such a manner that the unicolor images overlap each other, based on printing image data sets of them, and a controlling section that determines at least a sub-scanning velocity in a sub-scanning direction relative to the recording medium, corresponding to a printing magnification factor, so as to adjust an output-start timing in the sub-scanning direction for every printing image data set, in response to the sub-scanning velocity determined in advance. Further, the controlling section also determines a main-scanning velocity in a main-scanning direction, corresponding to the printing magnification factor, so as to adjust output-start timings in both the main-scanning direction and the sub-scanning direction for every printing image data set, in response to the main-scanning velocity and the sub-scanning velocity, both determined in advance.

Abstract: There is described a signal processing apparatus, which conducts processing of a signal outputted from an image capturing element that converts an optical image obtained by irradiating light on an object such as document to an electric signal. The apparatus includes: a sample-and-hold section to sample and hold a black signal level and an image signal level, both included in an analogue image signal inputted from an image capturing element; an analogue-to-digital converting section to convert the analogue image signal to digital image data within a predetermined number of conversion steps, which is larger than a number of conversion steps corresponding to a differential value between the black signal level and the image signal level; and a digital subtracting section to subtract black digital-image data representing the black signal level from signal digital-image data representing the image signal level, both being converted by the analogue-to-digital converting section.

Abstract: An image-reading apparatus reads an image on a document by controlling a main-scanning operation in accordance with an index period, a sub-scanning operation in accordance with a line-thinning rate, and a reading velocity of reading the image in a sub-scanning direction in accordance with a magnification factor. The apparatus includes an inputting section to input the magnification factor, an index period changing section to control the index period, based on the magnification factor, and a line-thinning rate changing section to control the line-thinning rate, based on the magnification factor. The index period changing section may select one of a plurality of index periods, including at least normal and long index periods, to control the index period. The thinning-rate changing section may select one of a plurality of line-thinning rates, including line-thinning rates indicating activation and deactivation of a line-thinning operation, to control the line-thinning rate.

Abstract: The video signal processing circuit has a clamp circuit for clamping a composite video signal including a copy guard signal with amplitude of from white to black as well as a pseudo horizontal synchronization signal, a brilliant signal, and a synchronization signal. The circuit also has a synchronization signal separation circuit, which separates the synchronization signal from the composite video signal and a synchronization signal discrimination circuit, which identifies if the synchronization signal coming from the synchronization signal separation circuit has the same cycle as that of a horizontal synchronization signal, and which blocks the signal with the cycle shorter than the cycle of the horizontal synchronization signal, letting only the signal with the cycle of the horizontal synchronization signal pass.

Abstract: A scanning device having a cable for connecting various parts is provided. A method is provided using a differential pair of clock generated signals to cancel each other, thereby reducing electromagnetic emissions. The differential pair is characterized by each being in phase with the other with regard to frequency, and each being the reverse of the other in amplitude.

Abstract: The present disclosure relates to an address sub-sampling apparatus and method, and an image sensor employing the same. An address sub-sampling apparatus includes a counting unit that generates a binary address of N bits, N being a natural number larger than 2. The address sub-sampling apparatus also includes an address conversion unit that sub-samples the binary address of N bits to output a sub-sampled address having first, second and third bit groups, wherein the sub-sampled address is arranged in order of the third, the first and the second bit groups from the MSB (Most Significant Bit).

Abstract: An image reading apparatus of the present invention converts respective pixel signals outputted from first, second and third shift registers to pixel data in an analog frontend IC and outputs pixel data as a serial data stream in a predetermined pattern. The address setting unit repeats add and subtract operation to the initial value according to the output pattern of the pixel data from the analog frontend IC to calculate pixel positions of the respective pixel data, and sets memory addresses corresponding to the pixel positions as destination memory addresses of the pixel data in an address register RR. The memory writing control unit writes the pixel data obtained from the analog frontend IC via a data sampling control unit in areas in the memory which correspond to the destination memory addresses. As a result, the amount of memory necessary for storing the pixel data can be reduced, and sorting operation of the pixel data can be executed with fewer memory access times.

Abstract: A method of changing driving sequence to output a charge coupled device signal, the method is applied to a scanner. The scanner has a pixel processor and a charge coupled device. A plurality of charge signals detected by the charge coupled device is sequentially output to the pixel processor according to the driving sequence. In the method of changing the driving sequence to output the charge coupled device signal, a fast driving sequence is provided. The fast driving sequence has a period equal to 1/N of the original driving sequence. According to the fast driving sequence, the charge signal is sent to the pixel processing circuit. The charge signals are sampled by the processing circuit according to a sampling sequence, and the data obtained by sampling is output.

Abstract: An image pickup apparatus and an image pickup method perform different processing on signals from respective photoelectric conversion portions in accordance with changes of photographing conditions. The signals to be subjected to the different processing are output from an image pickup region provided with an arrangement of a plurality of arranged pixels each including a plurality of photoelectric conversion portions arranged in a depth direction severally.

Abstract: The scanning apparatus includes a movable chassis and a main board fixed on the body. A charge-coupled device module and a front end processing device are disposed on the chassis. An application-specific integrated circuit is positioned on the main board. After the charge-coupled device module detects a light analog signal, the application-specific integrated circuit communicates with the front end processing device through a command interface. Therefore, the light analog signal is converted into the light digital signal by the front end processing device, and then the light digital signal encoded into low voltage differential signaling form is transmitted to the application-specific integrated circuit for proceeding the subsequent image processing.

Abstract: Using a picture image printing system, both types of pictures recorded by a camera using a film and a digital camera are effectively printed. The printing system comprises a film scanner for inputting a picture recorded on a film, and a card reader for inputting a picture recorded by a digital camera. By switching between the scanner and card reader upon necessity, digital image data is obtained. An image processing apparatus performs pixel number conversion on the digital image data by keeping an aspect ratio of the image constant, so that the picture image data is printed in a width almost the same as a width of rolled paper. The digital image data whose pixel number has been converted are subsequently printed on the rolled paper by a printer.

Abstract: An image reading apparatus and an image forming apparatus including the image reading apparatus. The image reading apparatus includes a photoelectric converter to convert incident light into an analog image signal, a drive unit to drive the photoelectric converter by a frequency modulated clock signal, an overlapping circuit to overlap an anti-phase analog signal to the analog image signal fluctuating according to the frequency modulated clock signal with a same amount of fluctuation as that of the analog image signal, and an analog digital converter to convert the overlapped analog image signal into a digital output.

Abstract: There is disclosed an image read apparatus including an image sensor including: first and second sensors including light receiving devices arranged in one row; a first shift register for outputting the pixel signals of all the light receiving devices of the first sensor; and second and third shift registers for outputting the even-numbered and odd-numbered pixel signals of the light receiving devices of the second sensor, in which invalid data is prevented from being written in a memory. The pixel signals outputted from the first to third shift registers constituting a CCD image sensor with the same transfer clock are selected and taken in via an AFE in a time division. The taken pixel data is successively sampled in a data sampling block and stored in a memory. Moreover, when the sampling timing is controlled in a take-in signal generation circuit, the pixel data stored in the memory is limited to indicate the pixel number of each shift register.

Abstract: The scanner comprises first and second sensors 21, 22 wherein light receiving elements with 600 dpi resolution are arranged, a first shift register 25 which outputs all the pixel signals received from light receiving elements in the first sensor 21, and a second shift register 26 which outputs pixel signals received from even numbered light receiving elements in the second sensor 22, and selectively executes quality oriented image reading with 300 dpi resolution by utilizing one pixel signal composed of added pixel signals received from two light receiving elements arranged next to each other, or speed oriented image reading with 300 dpi resolution by utilizing pixel signals received from the second shift register.

Abstract: A data printing system. In a data processing apparatus, a transmission converting unit converts electronic data into print data, a data transmitting unit transmits converted print data to a printer apparatus, a transmission confirming unit detects alteration of printed electronic data, and an alarm providing unit provides predetermined alarm data to print data to be transmitted when an alteration is detected. In the printer apparatus, a data receiving unit receives print data from the data processing apparatus, a data printing unit prints received print data, an alarm detecting unit detects alarm data provided on received print data, and an alarm reporting unit reports an alteration alarm when alarm data is detected.

Abstract: In an image reading apparatus, with respect to the first to third transfer clock signals for controlling shift registers in an image sensor, the second and third transfer clock signals have a cycle which is double the cycle of the first transfer clock signal, and the third transfer clock signal is shifted by a half cycle relative to the second transfer clock signal. Accordingly, the transfer timing of pixel signals in a second shift register is a half cycle shifted relative to the transfer timing in a third shift register, while the second and third shift registers operate with a transfer cycle which is double the transfer cycle of pixel signals in the first shift register. By this transfer control, the order of pixel signal output generally follows the order of the arrangement in the primary scanning direction of light receiving elements constituting the image sensor.

Abstract: An image reading apparatus for reading an image using a monochrome image sensor and a color image sensor having three shift registers which requires a reduced manufacturing cost and is less affected by the influence of external noises. The image reading apparatus comprises an analog frontend IC with three channels and having programmable gain amplifiers (PGA) for the respective channels capable of adjusting gains, an analog/digital converter (ADC) and a multiplexer (MUX) for sequentially providing signals amplified by the respective PGAs to the analog/digital converter built-in. The image reading apparatus amplifies pixel signals output from the respective channels of the monochrome image sensor or the color image sensor by providing the pixel signals to the corresponding PGAs, and converts the amplified pixel signals into pixel data through the analog/digital converter.

Abstract: A controller controls selection of rows of photosensors residing in a photosensor array having at least one row of photosensors with a first sensor size, and at least one row of photosensors with a second sensor size. In a first example embodiment, the controller may select each sensor in a double row of sensors for white light having a smaller area than the sensors in other rows. For the first embodiment, the native input sampling rate for luminance is greater than the native input sampling rate for color information. In a second example embodiment, for every band of wavelengths being sensed, the controller selects one of two rows of sensors, with one row having relatively small sensor areas and the other row having relatively large sensor areas. In the second example embodiment, the rows with relatively small sensor areas are used for high native input sampling rates, and the rows with relatively large sensor areas are used for high color accuracy.

Abstract: A system and method for viewing a fax document includes a fax device which may be configured for transmitting/receiving fax transmissions. When a transmitting fax device with a video camera and a video display transmits a fax transmission to a receiving fax device with a video camera and a video display, and the receiving fax device receives the fax transmission, the transmitting fax device controls the receiving fax device until the fax transmission ends. An image of the fax transmission may then be previewed on the transmitting fax device, the fax transmission may then be electronically released from the receiving fax device, and an image of the fax transmission may then be printed. The video camera of the receiving fax device may then scan the printed image, display the scanned printed image, and physically release the scanned printed document from the receiving fax device.