Abstract: A stepping motor controlling device and method are provided. The controlling device comprises a control circuit and a serial in-parallel out interface. The control circuit includes a motor controlling signal generator and a parallel in-serial out interface. The motor controlling signal generator generates a set of controlling signals in parallel and via the parallel in-serial out interface sends the set of controlling signals to the serial in-parallel out interface. The serial in-parallel out interface receives the set of control signals in sequence and then outputs them in parallel to a stepping motor driver for driving a stepping motor to a predetermined step.

Abstract: An apparatus for capturing a document with a plurality of compression models comprises an image-processing system and an image-capturing system. The image-processing system is for accepting a request of setting the compression models for the document and processing the data of the document according to the compression models, wherein the request is from an exterior electric device connected to the apparatus. The image-capturing system is for capturing the data of the document, and is connected to the image-processing system and comprises multitudes of optic devices. The method for capturing the document with these compression models comprises accepting a request of setting the compression models for the document; capturing the data of the document; and processing the data of the document with these compression models.

Abstract: An optical scanner that may assemble the lens design for varying the focus and resolution, having a light source, a reflection compound mirror, a charge coupled device, a basic objective lens and a compound lens. The basic objective lens is designed by simulation software. According to the lens design theory, the compound lens is designed. By incorporating the basic objective lens and the compound lens, different resolutions such as 1200 dpi, 1600 dpi and 2400 dpi of the optical scanner are obtained without redesigning the lens device, the current specification of the optical scanner is also varied.

Abstract: In accordance with the present invention, a method for automatically identifying a scan area by a scanner is disclosed. The method comprises steps of scanning an original comprising an object, identifying the original to establish a location and a profile of the object in the original, displaying a preview window corresponding to the original, wherein a location and a profile of a confined area is exactly the location and the profile of the object, receiving a framed area selected from the preview window by user, wherein a portion of the framed area beyond the confined area is automatically removed to generate a scan area, and scanning the scan area. The present invention can also extend to a method for selecting a scan area by a user and a scanner with a feature of automatically identifying a scan area.

Abstract: A calibration method of an image scanning system is provided. Initially, differences between adjacent sensing values of a calibration plate are respectively determined and then stored in a memory. Alternately, a difference between a base value and each of the sensing values of the calibration plate is determined and then stored in the memory. When a normal scan action is executed, simultaneously reading each difference from the memory and adding to one corresponding sensing value of image information of an object obtained by the normal scan action. As a result, the memory volume for storing calibration data is reduced and the reading of calibration data is also facilitated.

Abstract: Apparatus for projecting a display interface on a remote screen comprises a means such as scanning device for capturing the display interface comprising a visual pointer appearing on the remote screen. The visual pointer is positioned to reference a subject portion of the display interface and produced by a pointer device. The apparatus comprises another a means such as a projector for projecting display content on the remote screen according to the capturing means. The display content is corresponding to the subject portion of the display interface and directly displayed after the scanning of capturing means.

Abstract: In accordance with the present invention, a method and a system for promoting scanning speed are provided. The method comprises steps of determining a transmission rate of a transit interface, adjusting system clock responsive to the transmission rate of the transit interface to change a data generated rate, and scanning an original to generate data at the rate controlled by the system clock. The key aspect of the present invention is by adjusting system clock to change the data generated rate corresponding to the transmission rate of the transit interface. Therefore, in response to the transmission rate of the transit interface, the system clock is adjusted to produce the data at a rate that can reduce the possibility of memory buffer full leading to the reduction in the time wasting on start-stop processes and therefore promote the scanning speed without requiring the increase in size of a memory buffer.

Abstract: An Optic Reflection device, for application as Reflectors in the Light Track of optic installations, more specifically, as Reflector for single or multiple reflections in the scanner, apparatus of optics industry. Designed trapezoidal as opposed to rectangular or otherwise configuration pursuant to prior arts. In a preferred embodiment, the application is in the form of a reflector of single reflection to incident light beam; in another preferred embodiment, the application is in the form of reflector permissive of multiple reflections. Design pursuant to the trapezoidal optic reflector pertaining to the invention can substantially reduce space required of Light Track in an optic system, and therefore commensurably volume and weight claimed in the entire optic system, which facilitates compact design of the products and installation of other devices or utilities in the space so saved in the entire optic system.

Abstract: An automatic paper feeder for an image-scanning device with a pressure-adjustable mechanism for adjusting the paper feeding roller of the automatic paper feeder is disclosed. A pressure from paper sheets stacked on a paper tray of the automatic paper feeder is detected by a paper tray pressure detecting mechanism and transferred to a roller pressure adjusting mechanism to change a pressure between the paper feeding roller and a paper separating plate and adjust a feeding angle of the movable paper tray.

Abstract: A structure for protecting and guiding a flat cable connected between a traveling module and a protective cover of a scanner is disclosed. The protective structure includes an anti-bending member mounted onto the traveling module for preventing the flat cable from being over-bent at its first end. A guide channel member is disposed on the protective cover under the flat cable and along the moving direction of the traveling module for guiding the flat cable during moving of the traveling module and preventing the flat cable from being swung left and right. The second end of the flat cable is extended into the protective cover via a protective sheath fitted on the cover for preventing the second end of the flat cable from excess bending angle and keep the flat cable smoothly moving without deflection.

Abstract: An image apparatus with batch scan and real time display and a method of the same are provided. The method of the present invention comprises steps of utilizing a transmission device for transmitting pictures into the scanner sequentially, scanning a picture and storing digital data in memory, displaying a notify signal to notice the user simultaneously while the scan is finished, showing the scanned image in a display device and scanning next picture at the same time while the user changes a switch control device. It is provided for shortening the scanning time of an image and reducing the time of waiting by utilizing the ways of batch scan and real time display. The present invention can increase number and size of picture to be scanned and thereby promote the scanning efficiency without requiring the increase in size of a memory buffer.

Abstract: A locating structure for a dual-mode optical scanning device including a transparency scanning mode and a reflective scanning mode is disclosed. The locating structure includes at least one locating posts formed on a bottom surface of the transparency illumination module and at least one locating holes formed on an object focal plane of the scanner frame corresponding to the locating posts. When the transparency illumination module is closed onto the scanner frame, by means of the locating structure, the deflection between the transparency illumination module and the scanner frame can be limited, so as to accurately locate the transparency illumination module on the scanner frame and enhance the quality of scanned image.

Abstract: In accordance with the present invention, a method and a system for increasing scanning speed are provided. The method comprises steps of determining a transmission rate of a transit interface, scanning an original to generate an image data, and adjusting a cycle time of the image data to change a data generated rate responsive to the transmission rate of the transit interface. The key aspect of the present invention is by adjusting the cycle time of a state machine to change the data generated rate corresponding to the transmission rate of the transit interface. Therefore, in response to the transmission rate of the transit interface, the cycle time of the state machine is adjusted to produce the data at a rate that prevents the smearing process.

Abstract: The present invention relates to a method for compressing an image data in real time. At first, the present invention divides an image, which is got after a pre-scanning process, into plural lines. Each line is divide into several blocks, whose sizes are the same. Each block comprises plural pixel values. A pixel value of a block is saved in the buffer completely to become the first datum. The pixel value is usually the minimum pixel value. Then plural differences, which are between the first datum and the plural pixel values of the block, are calculated. One of the plural differences, which are not equal to zero, is saved in the buffer completely to become the second datum. The difference, which is not equal to zero, is usually a minimum difference. Using the second datum to be a divisor and using the plural differences to be dividends will get plural specific values of plural differences to the second datum.

Abstract: A charge coupled device (CCD) with multi-focus lengths is provided. The arrays of optical sensors with a plurality of transparent plates in parallel disposed thereon are disposed on a substrate. By way of either of changing the thicknesses of the transparent plates and changing the position levels of the arrays of the optical sensors, each of the arrays of the optical sensors obtains a different focal length. And thus, the depth of focus of the present charge coupled device is improved.

Abstract: A Reflective and Penetrative Scanning Apparatus has a body, a first ambulatory reflection module, a second ambulatory reflection module, a lens assembly, an image shooting unit and an adjustment means. The body incorporates a Reflective Script Platform and a Penetrative Script Platform. The First Ambulatory Reflection Module is equipped with two Light Sources and two lenses with which to produce two different Light Paths such that once the switching goes to the First Light Path, a light that is emitted from the Light Source will travel by way of the Reflective Script Platform to the Lens Assembly and the Image Shooting Unit, to execute Reflective Scanning operation and when the switching goes to the second Light Path, another light that is emitted from the Light Source will travel by way of the Penetrative Script Platform to the Lens Assembly and the Image Shooting Unit, to execute Penetrative Scanning Operation.

Abstract: An automatic paper feeder with an integrated paper presser and stopper is disclosed. The integrated paper presser and stopper includes a fixing section, a paper pressing section downward extended from the fixing section at an inclined angle toward a paper-out end of the paper tray, a first bent section formed at a lower end of the paper pressing section to define a first gap, a paper stopping section downward extended from the first bent section at an inclined angle toward the paper-out end of the paper tray, and a second bent section formed at a lower end of the paper stopping section to define a second gap which is smaller than the first gap.

Abstract: In accordance with the present invention, an operating procedure of a scanning system that can get images automatically is disclosed. The operating procedure comprises steps of scanning at least one original to get an image which can display all content of this original, displaying the image, receiving a portion of image that selected by the user, and outputting the selected image. The present invention can also extend to a scanning method for using a scanning system with one-scan-and-done feature and free of identifying original's attribute feature. And a scanning system with one-scan-and-done feature and free of identifying original's attribute feature.

Abstract: A utilization of a defective memory device in an image processing system is provided. The present invention provides three methods for utilizing the defective memory device to serve as an image data storage device. A first method is selecting at least a block of functional memory cells to store image data. A second method is using functional memory cells to store image data while skipping through defective memory cells in accordance with a mapping table of the defective memory cells and their positions in the memory array. A third method is using the defective memory device to store image data and then re-estimating image value of a pixel corresponding to each defective memory cell by an interpolation technique.

Abstract: An apparatus and a method for controlling a stepping motor are provided. The apparatus comprises a control circuit and a driving device. The control circuit is used to receive a set of input signals in digital form and output an analog signal with a predetermined voltage level equivalent to the set of the input signals in digital form. The driving device with a power source receives the analog signal to serve as a reference voltage and provides a driving current to a stepping motor. The driving current is determined by the analog signal.