Abstract: A data reading apparatus and method of operating the data reading apparatus. The data reading apparatus is adapted to reading data stored inside an optical storage device. The data reading apparatus has a light source and an image sensor. The light source emits light and illuminates the read-out section of the optical storage device. The image sensor captures the reflected light from the read-out section of the optical storage device to form an image. The data reader may further incorporate an image processor for receiving the image from the image sensor and converting the image into digital data before outputting the data to a host. The forgoing image sensor includes a linear image semsor.

Abstract: A sensor for detecting the entrance of a document into a sheet feeder. The document sensor is attached to the sheet feeder. The document sensor comprises a printed circuit board, a key peg and a rocking lever. The printed circuit board is attached to the sheet feeder. The printed circuit board has a first lead wire and a second lead wire detached form each other. The key peg is also attached to the sheet feeder pinning the rocking lever so that the rocking lever is free to rotate relative to the key peg. A conductive member is attached to the rocking lever so that rotating the rocking lever is able to establish an electrical connection between the first lead wire and the second lead wire through the conductive member.

Abstract: An objective lens anti-shock adjustment device comprises a holder that is capable of fixedly holding an objective lens via at least a fastening element. The holder is mounted in a casing by means of a plurality of resilient elements and a plurality of adjuster screws. The resilient elements connect the holder to the casing and the adjuster screws engage through the casing and abut against the holder opposite to the resilient elements in order to allow the adjustments of a vertical positioning and a horizontal orientation of the objective lens. The holder and the casing are provided with respective openings that expose a slot formed on the objective lens. By the external engagement of a tool through the openings into the slot, the objective lens is slid in the holder in order to adjust the depth of focus.

Abstract: A sensor for detecting the entrance of a document into a sheet feeder. The document sensor is attached to the sheet feeder. The document sensor comprises a printed circuit board, a key peg and a rocking lever. The printed circuit board is attached to the sheet feeder. The printed circuit board has a first lead wire and a second lead wire detached form each other. The key peg is also attached to the sheet feeder pinning the rocking lever so that the rocking lever is free to rotate relative to the key peg. A conductive member is attached to the rocking lever so that rotating the rocking lever is able to establish an electrical connection between the first lead wire and the second lead wire through the conductive member.

Abstract: A scanning chassis is suited for scanning a document. The scanning chassis includes a case, a light source, at least one reflector, a lens assembly and an optical sensor. The case has a light transparent slot shaped like a bar form, wherein the widths corresponding to the points along the longitudinal direction of the light transparent slot are not all the same. The light source can illuminate the document and an image can be generated at the place where the document is illuminated by the light source. The image can be projected on the reflector through the light transparent slot. The image can be projected on the lens assembly by the reflector's reflecting the image. The image can be projected on the optical sensor after the image passes through the lens assembly.

Abstract: A floating window, suitable for use in a flatbed scanner. The flatbed scanner has at least a top lid and a chassis. The floating window includes a transparent flat panel disposed under an opening of a top lid. A supporting structure and a limiting structure are further installed on the top lid, and a flexible structure is installed between the supporting structure and the limiting structure. While being pushed by the chassis and pressed by the flexible structure, the transparent flat panel is in a floating status. When the chassis is periodically shifting to perform scanning, the transparent flat panel is correspondingly undulating up and down according to the periodic movement of the chassis; and consequently, the document disposed on the transparent flat panel is shifted up and down accordingly.

Abstract: A scanning method in which a scanning head moves back and forth to scan a paper sheet located in a scanning window is disclosed. The method of the present invention includes the steps of a) making the paper sheet go forward a first distance into the scanning window; b) the scanning head scanning a portion of the paper sheet; c) the transmission mechanism driving the scanning head to move a second distance in a first direction, wherein the second distance is smaller than the first distance; d) repeating the steps b) and c) until the scanning head completely scans a plurality of portions of the paper sheet in the scanning region; e) repeating the steps a), b), c) and d), except that the scanning head moves in a second direction opposite to the first; f) repeating the steps a), b), c), d), and e), the movement of the scanning head alternating between a first and second direction, until the scanning head completely scans the paper sheet to be scanned.

Abstract: A document surface micro-adjust mechanism for an optical scanner. The optical scanner has an outer casing with a transparent document platform in the upper section. An optical lens is enclosed inside the outer casing. The document surface micro-adjust mechanism uses a carrier chassis to embed the transparent document platform. One end of the carrier chassis is hinged upon the upper wall of the outer casing while the other end of the carrier chassis has a through hole to be engaged to a locking hole on a latching structure attached to the upper section of the outer casing. A locking element passes through the through-hole to engage with the locking hole. An elastic element is positioned between the carrier chassis and the latching structure. Depth of the locking element inside the locking hole may be adjusted to vary optical distance from the document surface of the transparent document platform to the optical lens inside the scanner.

Abstract: A friction plate coupling structure inside an automatic document feeder. The friction contact surface of the friction plates is designed to have a slant surface resembling a frustum so that overall contact area is increased and stability of the coupling between the friction plates is improved.

Abstract: A reporting system capable of reporting the end of a scanning session to a user through existing computer peripheral devices is proposed. By reporting at the end of a scanning session, the user can proceed with subsequent scanning operations with no delay. Hence, idle time of the scanner is greatly reduced.

Abstract: A control method for removing scanning discontinuity in scanners. The relationship between a driving motor and an elastic body such as a leather belt or a steel cable linked to the chassis inside a scanner is investigated so that time constants for achieving system stability are found. Through setting the time constants, the forwarding and reversing motion of the chassis is controlled so that scanning discontinuity due to stopping and restarting is reduced.

Abstract: A paper-separating plate is adapted for a paper-separating mechanism having a paper-separating roller. The paper-separating plate placed around a side of the paper-separating roller comprises a main body and a cushion. The main body has a surface and a plurality of grooves and the grooves are positioned on the surface. The cushion is positioned on the surface of the main body and covers the grooves. The cushion positioned over the partial grooves is elastically pressed onto the paper-separating roller. The grooves, neighboring one another or each other, linearly extend in a direction substantially parallel with the axis of the paper-separating roller. Besides, the cushion is made of flexible material and the main body is made of rigid material.

Abstract: A bi-directional transmission mechanism is provided for an image scanner to increase the scanning speed. The bidirectional transmission mechanism provides a first transmission device for driving a sheet table in a first direction, and a second transmission device disposed below the sheet table for driving an image reading device in a second direction. The two transmission devices are moving towards opposite directions and at the same time when the scanning operation is enabled. The present invention mainly encompasses a sheet table for placing a document sheet. A first transmission device is provided for supporting and connecting to the sheet table for driving the sheet table from a first direction to a second direction. An image reading device disposed under the sheet table reads the image information of the document sheet.

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: The image-capturing system comprises a image-capturing module and a plurality of mirrors, wherein the image-capturing module has a lens and a charge-coupled device (CCD). The image-capturing module is located on about the center in the image-capturing system, and a plurality of mirrors are arranged in the peripheral region within the image-capturing system to make the layout of optical path around the image-capturing module. Furthermore, reflectional angle of each mirror can be adjusted according to the requirement for design, so as to obtain the longest optical path.

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: 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: The invention provides an axle sleeve apparatus for optical chassis. By the guidance of a guiding rod, the optical chassis making a linear displacement motion along the extension direction of the guiding rod. The axle sleeve apparatus for optical chassis includes an axle sleeve main body and at least one anchoring mechanism. The axle sleeve main body has a fastening mechanism capable of proceeding connection with the optical chassis. The anchoring mechanism is arranged at one side of the axle sleeve main body and capable of proceeding connection with the guiding rod. It is arranged with: a convex arm extending out one side of the axle main body and an elastic body corresponding to the convex arm. By elastic force, the elastic body may move between a first position and a second position.

Abstract: The present invention is to provide an image scanner, for scanning a reflection document or a transmission document. The image scanner comprises a shell, a document window glass, a transmission document carrier, and an optical chassis. The shell has a groove on its upper surface. The document window glass is capable of connecting with the groove, for scanning the reflection document. The transmission document carrier is capable of connecting with the groove, for scanning the transmission document. The optical chassis is provided at a proper location, for retrieving the images of the reflection document and the transmission document and converting them to an electronic signal. Wherein, by placing the document window glass or transmission document carrier into the groove, the image scanner is capable of scanning the reflection document or transmission document, respectively.

Abstract: The invention is a method to inspect multiple conditions of an auto feeding device feeding standard inspection papers into a scanning device while the said auto feeding device in QC process. The method is to use a bar code printed on the standard inspection paper to recognize the conditions that feeding multiple papers in one time, paper jam, paper inclined, etc. The bar code is continuous and unique, and therefore, the results for which standard inspection paper happened problem and how many more papers needing to be inspected are known immediately.