Abstract: An illumination module is provided in the invention. The illumination module includes a light source having a plurality of light emitting elements arranged in a linear array and a light guide device. The light guide device receives light from the light source and generates uniform light which is transmitted onto an article to be scanned, has a longitudinal direction, and includes a diffraction structure and a reflection portion. The diffraction structure has a shape inducing light to be scattered and deflects the scattered light toward the longitudinal direction. The reflection portion reflects the light scattered and deflected by the diffraction structure, and is inclined to have an inclined angle with the light propagating direction. In addition, the reflection portion is formed on the diffraction structure or apart from it.

Abstract: A scanning device includes a scanner body, a scanning unit, a lens unit, a sensing unit, and a fastening unit. The scanner body has a bottom surface that is formed with two slots. The fastening unit includes two first fastening members disposed respectively within the slots, and two second fastening members engaging respectively and threadably the first fastening members so as to fasten the sensing unit to the scanner body.

Abstract: A duplex document feeder includes a housing unit, and a switching unit. The housing unit has a document-conveying path, an inverting path, and a switchback path. The switching unit is disposed in the switchback path, and includes a first switching gate, a second switching gate connected fixedly to the first switching gate, and a guiding path disposed between the first and second switching gates. The switching unit is pivotable among first, second, and third positions so as to allow for automatic feeding, two-sided scanning, inverting, and ejecting in orderly arrangement of documents.

Abstract: A linear guiding apparatus at least has a shaft and a shaft holding apparatus. The shaft holding apparatus is adapted to slide along the shaft. The shaft holding apparatus includes a body, an elastic member and an adjusting member. The body has a V-shape supporting surface, wherein the V-shape supporting surface is along the axis direction of the shaft and supports on outer edge of the shaft. The elastic member is mounted on the body, wherein the elastic member is elastically contacted the outer edge of the shaft, and the shaft is clipped between the elastic member and the V-shape supporting surface. The adjusting member is mounted on the body and contacted the elastic member, wherein the adjusting member is utilized to adjust the position of the elastic member. Therefore, a shaft of any diameter can be clipped between the elastic member and the V-shape supporting surface.

Abstract: An illumination module is provided in the invention. The illumination module includes a light source having a plurality of light emitting elements arranged in a linear array and a light guide device. The light guide device receives light from the light source and generates uniform light which is transmitted onto an article to be scanned, has a longitudinal direction, and includes a diffraction structure and a reflection portion. The diffraction structure has a shape inducing light to be scattered and deflects the scattered light toward the longitudinal direction. The reflection portion reflects the light scattered and deflected by the diffraction structure, and is inclined to have an inclined angle with the light propagating direction. In addition, the reflection portion is formed on the diffraction structure or apart from it.

Abstract: A duplex document feeder includes a housing unit, and a switching unit. The housing unit has a document-conveying path, an inverting path, and a switchback path. The switching unit is disposed in the switchback path, and includes a first switching gate, a second switching gate connected fixedly to the first switching gate, and a guiding path disposed between the first and second switching gates. The switching unit is pivotable among first, second, and third positions so as to allow for automatic feeding, two-sided scanning, inverting, and ejecting in orderly arrangement of documents.

Abstract: A scanning module includes a body, a reflecting unit, and an image capture unit. The body includes a reflecting chamber disposed in a surrounding wall. The surrounding wall is formed with an incident hole allowing an incident light field to be transmitted into the reflecting chamber therethrough along an incident axis. The reflecting unit is disposed within the reflecting chamber, and includes a first reflector for reflecting the incident light field, as well as second and third reflectors for reflecting light transmitted from the first reflector to the image capture unit. An angle formed between the incident axis and a normal line of the first reflector is not smaller than 30 degrees. The image capture unit is disposed nearer to the incident hole than the first reflector along a direction of the incident axis, and includes a lens, and a sensing member.

Abstract: A scanning device includes a scanner body, a scanning unit, a lens unit, a sensing unit, and a fastening unit. The scanner body has a bottom surface that is formed with two slots. The fastening unit includes two first fastening members disposed respectively within the slots, and two second fastening members engaging respectively and threadably the first fastening members so as to fasten the sensing unit to the scanner body.

Abstract: A linear guiding apparatus at least has a shaft and a shaft holding apparatus. The shaft holding apparatus is adapted to slide along the shaft. The shaft holding apparatus includes a body, an elastic member and an adjusting member. The body has a V-shape supporting surface, wherein the V-shape supporting surface is along the axis direction of the shaft and supports on outer edge of the shaft. The elastic member is mounted on the body, wherein the elastic member is elastically contacted the outer edge of the shaft, and the shaft is clipped between the elastic member and the V-shape supporting surface. The adjusting member is mounted on the body and contacted the elastic member, wherein the adjusting member is utilized to adjust the position of the elastic member. Therefore, a shaft of any diameter can be clipped between the elastic member and the V-shape supporting surface.

Abstract: A guiding apparatus for a scanner may comprise a V-shaped supporting surface capable of supporting a body on a shaft, wherein the body comprises optical components. The guiding apparatus may also comprise an elastic member coupled to the body and capable of contacting the shaft and an adjusting member capable of adjusting the position of the elastic member.

Abstract: A linear guiding apparatus at least has a shaft and a shaft holding apparatus. The shaft holding apparatus is adapted to slide along the shaft. The shaft holding apparatus includes a body, an elastic member and an adjusting member. The body has a V-shape supporting surface, wherein the V-shape supporting surface is along the axis direction of the shaft and supports on outer edge of the shaft. The elastic member is mounted on the body, wherein the elastic member is elastically contacted the outer edge of the shaft, and the shaft is clipped between the elastic member and the V-shape supporting surface. The adjusting member is mounted on the body and contacted the elastic member, wherein the adjusting member is utilized to adjust the position of the elastic member. Therefore, a shaft of any diameter can be clipped between the elastic member and the V-shape supporting surface.