Abstract: The invention relates to a scanner's optical device, receive the light coming from the image of an object to be scanned, comprising: several reflective mirrors, a light-focusing module, and a charge coupled device. The reflective mirrors provide reflection and directional change for the light and, by appropriately arranging several reflective mirrors, the light of the object to be scanned directionally changed to a predetermined route. With at least one curving mirror, the light-focusing module focus the light of the predetermined route and then directionally change it, and a raster is then provided in the light route of the curving mirror for filtering out unnecessary light. The charge coupled device may receive the light coming from the light-focusing module and convert it into electronic signals. The said light-focusing module replaces the prior lens set for executing a scanning job.

Abstract: The invention is to provide a light-focusing for image-gathering device that receive the light coming from the image of an object being scanned. The light-focusing for image-gathering device is comprised of: at least one reflection mirror, an imaging device and at least one raster (optical grate). The reflection mirror has plural concave surfaces that are arranged appropriately, and the concave surface provides the light being focused and reflected to a predetermined route. The imaging device receives the light reflected from at least one reflection mirror and converts it into electronic signal. The raster has plural pervious holes, of which positions are just respectively corresponded to each concave surface. The raster is located in the light-path route between the imaging device and at least one reflection mirror.

Abstract: The present invention is an improved transparency scanning module, which is applied on a cover of scanning device. The transparency scanning module and the cover can be taken apart for different consuming groups. The features of the invention are that transparency scanning module is embedded in cover, and a slot of cover for holding transparency scanning module is set plural fillisters, and there are plural connectors set on the relative positions of transparency scanning module for connecting each other. When the fillisters connecting with the connectors, transparency scanning module is able to offer light and also transparency scanning module and cover are combined and fixed each other closely; on the other hand, rim of transparency scanning module is thinner, and most central part is protruding in z direction, thus transparency scanning module can be inserted and held in the slot of cover. This is another design for closely combination.

Abstract: A document scanner with a light focusing device downward formed on a document support panel is disclosed. The document scanner is provided with a chassis including a light source and an image sensing device. A scanning window made of light-transmitting material is formed in an area of the document support panel. A driving roller is arranged in a document feeder for driving a document to be scanned through the scanning window. Light emitted from the light source transmits through the scanning window toward the document and is reflected by the document toward the image sensing device, The document support panel forms a convex projection on a bottom surface thereof. The projection confronts the light source for focusing the light onto the document. Preferably, the projection includes an extended section from the bottom surface of the document support panel and forming a convex end surface confronting the light source.

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 method of detecting the alignment of a document in an automatic document feeder including an optical scanner that has an automatic document feeder and a document. The automatic document feeder has a colored pattern layer corresponding to a scanning window of the optical scanner. The document has at least one side edge. When the document is being fed into the automatic document feeder, the side edge is just positioned between the scanning window and the colored pattern layer. When the automatic document feeder is switched on to feed in the document, a first image retrieval is made from the document placed on the scanning window. After the document is fed in by an appropriate length, a second image retrieval is made from the document placed on the scanning window. A slant value is calculated.

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: A light-source mechanism for an optical scanner includes a chassis, a lamp, a lamp holder and a buffering device between the chassis and the lamp holder. If the buffering device is subjected to an external force of impact and vibration, the buffering device may effectively absorb the influence of the external force, such that the lamp generally will not be damaged.

Abstract: A document scanner with a light focusing device downward formed on a document support panel is disclosed. The document scanner is provided with a chassis including a light source and an image sensing device. A scanning window made of light-transmitting material is formed in an area of the document support panel. A driving roller is arranged in a document feeder for driving a document to be scanned through the scanning window. Light emitted from the light source transmits through the scanning window toward the document and is reflected by the document toward the image sensing device, The document support panel forms a convex projection on a bottom surface thereof. The projection confronts the light source for focusing the light onto the document. Preferably, the projection includes an extended section from the bottom surface of the document support panel and forming a convex end surface confronting the light source.

Abstract: The invention relates to a scanner's optical device, for receiving the light coming from the image of an object being scanned, comprising: several reflective mirrors, a light-focusing module, and a charge coupled device. The reflective mirrors provide reflection and directional change for the light and, by appropriately arranging several reflective mirrors, the light of the object being scanned directionally changed to a predetermined route. With at least one curving mirror, the light-focusing module focuses the light of the predetermined route and then directionally changes it, and a raster is then provided in the light route of the curving mirror for filtering out unnecessary light. The charge coupled device receives the light coming from the light-focusing module and converts it into electronic signals. The said light-focusing module replaces the prior art lens set for executing a scanning job.

Abstract: A light source device including light emitting elements is provided. The light source device includes a print circuit board having a plurality of recesses formed of truncated elliptical/or rectangular cones in a linear arrangement formed thereon, a plurality of light emitting elements and an emission-permeable window part disposed in each of the recesses. Each of the recesses has a flat bottom and an elliptical/or a rectangular cross section along the direction of the linear arrangement of the recesses in the print circuit board. One of the light emitting elements is disposed on the flat bottom of each of the recesses. Each light emitting element unit has an elongated illuminant surface along the longitudinal direction of the print circuit board due to the package thereof. The light emitting element units constitute a linear light source along this direction, and each light emitting element unit has an increased luminance flux along this direction.

Abstract: The invention relates to a scanner's optical device, receive the light coming from the image of an object to be scanned, comprising: several reflective mirrors, a light-focusing module, and a charge coupled device. The reflective mirrors provide reflection and directional change for the light and, by appropriately arranging several reflective mirrors, the light of the object to be scanned directionally changed to a predetermined route. With at least one curving mirror, the light-focusing module focus the light of the predetermined route and then directionally change it, and a raster is then provided in the light route of the curving mirror for filtering out unnecessary light. The charge coupled device may receive the light coming from the light-focusing module and convert it into electronic signals. The said light-focusing module replaces the prior lens set for executing a scanning job.

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 present invention is an improved transparency scanning module, which is applied on a cover of scanning device. The transparency scanning module and the cover can be taken apart for different consuming groups. The features of the invention are that transparency scanning module is embedded in cover, and a slot of cover for holding transparency scanning module is set plural fillisters, and there are plural connectors set on the relative positions of transparency scanning module for connecting each other. When the fillisters connecting with the connectors, transparency scanning module is able to offer light and also transparency scanning module and cover are combined and fixed each other closely; on the other hand, rim of transparency scanning module is thinner, and most central part is protruding in z direction, thus transparency scanning module can be inserted and held in the slot of cover. This is another design for closely combination.

Abstract: A document scanner with a light focusing device downward formed on a document support panel is disclosed. The document scanner is provided with a chassis including a light source and an image sensing device. A scanning window made of light-transmitting material is formed in an area of the document support panel. A driving roller is arranged in a document feeder for driving a document to be scanned through the scanning window. Light emitted from the light source transmits through the scanning window toward the document and is reflected by the document toward the image sensing device. The document support panel forms a convex projection on a bottom surface thereof. The projection confronts the light source for focusing the light onto the document. Preferably, the projection includes an extended section from the bottom surface of the document support panel and forming a convex end surface confronting the light source.

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: A modularized light-guiding apparatus and manufacturing method, which may make the light of a light source proceed at least twice light reflections of predetermined directions. The light-guiding apparatus includes a plurality of modularized reflection elements, which may be differentiated to several different types of reflection element. Each type of each reflection element all has substantially same adjoining device and edge size for providing to be adjoined and piled-up with another reflection element. But, the reflection element of different type individually has different number of reflection plane for providing the light to proceed different times of light reflection. It may determined the light reflection times and light-path length for the light-guiding apparatus, by choosing several different types of reflection element among plural reflection elements to proceed the piling-up for the light-guiding apparatus.

Abstract: A modularized light-guiding apparatus and manufacturing method, which may make the light of a light source proceed at least twice light reflections of predetermined directions. The light-guiding apparatus includes a plurality of modularized reflection elements, which may be differentiated to several different types of reflection element. Each type of each reflection element all has substantially same adjoining device and edge size for providing to be adjoined and piled-up with another reflection element. But, the reflection element of different type individually has different number of reflection plane for providing the light to proceed different times of light reflection. It may determined the light reflection times and light-path length for the light-guiding apparatus, by choosing several different types of reflection element among plural reflection elements to proceed the piling-up for the light-guiding apparatus.

Abstract: An optical lens device of image scanner includes a diaphragm and plural lenses. The plural lenses, diaphragm, and image induction element are linearly arranged for defining an optical path between the document and the image induction element. Wherein, among the plural lenses, the one that is most close to the manuscript is called the first lens, and the other one that is most close to the image induction element is called the last lens, and the distance between the last lens and the image induction element is called BFL, and the length of the image induction element is called image height, and the total optical length between the document and the image induction element is called TT, and the effective focus length of the optical lens device is called EFL. If the optical lens device fulfills following conditions: the diameter of the last lens/the diameter of the first lens>1; EFL/image height<0.9; and BFL/TT<0.

Abstract: A light source mechanism for an imaging apparatus comprises at least a point light source and a light shield. The point light source located at one end of the light shield is used for providing illumination to the imaging apparatus during a scanning process. The light shield is a hollow pipe structure and further includes a long slot lying along an axial longitudinal direction thereof for allowing lights to leave the light shield. An inner surface of the light shield is made as a diffusion surface for evenly diffusing lights inside the light shield, by which a homogeneous line light source for the scanning process is formed at the long slot of the light shield.