Abstract: An anti-wear FFC (flexible flat cable) according to the present invention is made up of a plurality of covered wires parallel to each other in side-by-side relationship. The anti-wear FFC is folded and forms a plurality of planes lengthwise. The anti-wear FFC includes a base plane and a wing plane connected to the base plane. The base plane and the wing plane forms an angle therebetween. The stress of the wind plane connected to the base plane prevents the FFC from protruding upwards under elasticity and further moves following a signal collecting unit smoothly.

Abstract: A sheet-handling apparatus includes a base, a second motor and a sheet-fetching assembly driven by the second motor. The sheet-fetching assembly has a passive gear and a floating gear. When the passive gear rotates, the floating gear revolves around the passive gear. A plurality of driving rollers are driven by a first motor. A plurality of driven rollers are driven by driving rollers, respectively. A prop assembly includes a brace arranged in the base, a prop axel engaged in the brace, a twist arm fixed at the prop axel and having a plurality of teeth for contacting with the floating gear, a swimming arm sleeved and firmly engaged with the swimming arm and a spring component installed on a support board of the swimming arm. The passive gear drives the floating gear descending and ascending. There are two motors provided in the sheet-handling apparatus in order to simplify the structure of the sheet-handling apparatus.

Abstract: A conveying device for adjusting scanning resolution includes a planetary gear transmission a belt and a scanning device. The planetary gear transmission has a base, a first stepping motor and a second stepping motor. A first motor gear drives a sun gear. A second motor gear drives a purl gear. Four planetary gears are received in a hole of the purl gear. The planetary gears are driven by the inner gear and the upper gear at the same time, so the planetary gears rotate around a positioning axle of the sun gear at a speed of half the speed difference of the inner gear and the upper gear. Then a planetary frame rotates along with the planetary gears. A belt wheel mounted on the planetary frame drives the belt with a scanning device to move.

Abstract: An auto-focusing zoom lens mechanism includes a base unit forming a space; an auto-focusing (AF) lens unit located in the base unit and having a trajectory bar engaged therewith; a zoom lens unit located in the base unit and mounted on the AF lens unit and having a trajectory bar engaged therewith; a cam plate unit engaged with the AF lens unit and the zoom lens unit and provided with an AF trajectory groove and a zoom trajectory groove to receive the trajectory bars of the AF lens unit and the zoom lens unit; and a step motor unit engaged with the cam plate unit to drive the cam plate unit, the AF lens unit and the zoom lens unit moving.

Abstract: An anti-wear FFC (flexible flat cable) according to the present invention is made up of a plurality of covered wires parallel to each other in side-by-side relationship. The anti-wear FFC is folded and forms a plurality of planes lengthwise. The anti-wear FFC includes a base plane and a wing plane connected to the base plane. The base plane and the wing plane forms an angle therebetween. The stress of the wind plane connected to the base plane prevents the FFC from protruding upwards under elasticity and further moves following a signal collecting unit smoothly.

Abstract: An inkjet printer with double-side printing function includes a base, a guided component located in the base and a cover covered on the base and the guided component. A second path is located between the base and the guided component. A second path exit is located in the end of the second path, and a second path entrance is located in the front of the second path. A redirector is located nearby the second path exit. A first path is located between the base and the cover and between the guided component and the cover. The second path exit and the second path entrance pass through the first path. A print apparatus is located in the cover. The print apparatus has a print head. The print head is located between the printed driving roller and the second path entrance.

Abstract: A scanning module includes a contact image sensor for scanning a document, an elastic unit having a fixing board placed in the middle of the elastic unit, two flexible spring arms, and a base mounted on the fixing board of the elastic unit. The elastic unit is placed between the contact image sensor and the base. Each of the flexible spring arms is bending upwardly and extending outwardly from the left and the right sides of the fixing board. The contacting piece is bending upwardly and extending outwardly from the end of each flexible spring arms and contacts the bottom surface of the contact image sensor.

Abstract: A sheet-feeding apparatus with a paper stopper includes a sheet-feeding base having a sheet-placing stand for placing sheets, a roller shell located on the sheet-feeding base having two side walls, a preliminary feeding roller unit and a feeding roller unit contained in the roller shell, a stopper member rotationally attached to the side wall of the roller shell and a follower member rotationally attached to the feeding roller unit and located at the downstream side of the stopper. Before starting a feeding operation, the stopper member is pushed by a sheet in the sheet-feeding base to move forward and presses on the follower member. The follower member would not move any further because the follower member is restricted by an upright wall of the sheet-feeding base.

Abstract: A stepwise variable zoom lens system includes, in order from an object side, a first lens group with a negative refractive power, a second lens group with a positive refractive power, a third lens group with a negative refractive power and a fourth lens group with a positive refractive power. Each of the first lens group, the third lens group and the fourth lens group is constructed from a single block. The first lens group and the fourth lens group are fixed. The second lens group and the third lens group are moveable to be selectively positioned at the wide-angle zoom position and the telephoto zoom position for zooming. The third lens group is finely adjustable for focusing when the object is positioned in different distance.

Abstract: The present invention provides a fixing seat of main transmission shaft of a scanner, wherein a conical hole is formed on the surface of a main transmission shaft whereon a scanning head can move, and a belt conveyor is used to wind around a timing pulley and an idle pulley. The timing pulley is driven to rotate by a motor device so that the belt conveyor can drive the scanning head to move on the main transmission shaft. One end of an axis of the timing pulley protruding out of the surface thereof forms a slanting conical end, which is fixed in the conical hole. The present invention has the advantages of high stability, good reliability, and a low manufacturing cost.

Abstract: An optical apparatus for a line scanner system comprises a main lens group, an aspherical field flattener lens and a line sensor arranged sequentially along the same optical axis. The main lens group consists of four rotationally symmetrical lenses for refracting and converging light beams into focus. The field flattener lens is rotationally symmetrical in its optical profile and shapes as a strip oriented along the direction of the line image. The field flattener lens is arranged between the main lens group and the line sensor and closer to the line sensor for refracting the light beam to the line sensor in a relatively wide field angle, and as a result, various aberrations have been corrected while the optical total track also has been reduced. And an image plane is provided in the line sensor for the linear light beam, in which the instantaneous field of view is a line.