Abstract: A backlight module includes a light guide plate, a lamp implemented beside one side surface of the light guide plate to project light beams into the light guide plate, a lamp housing surrounding the lamp to reflect light beams, and a plurality of cylinder reflectors are arranged from low to high protruding inside or outside the bottom of the light guide plate toward the opposite direction of the lamp, or are arranged from high to low protruding outside the bottom of the light guide plate toward the opposite direction of the lamp, or are arranged with non-uniform height protruding inside or outside the bottom of the light guide plate toward the opposite direction of the lamp.

Abstract: A method of automatically detecting a test result of a probe zone of a test strip is provided. The present method scans a scanning object including a bar code and a plurality of test strips to read the bar code pattern and the images of the test strips. Decoding the bar code pattern to obtain the information of types of the test strips, and thereby a plurality of mapping tables of setting values versus positions of target lines of one of the test strips. Each of the test strips corresponds to one of the mapping tables based on the type of the test strip. Each of the setting values of the mapping table corresponds to one target line of the test strip. Calculating a color response of one target line of the test strip based on the image of the test strip, and comparing the color response with the setting value from the mapping table corresponding thereto.

Abstract: An image produced through lenses causes distortion problems in the formation of the image. A testing chart having a plurality of lines or graphs is employed to measure the formation of an image through the lens, and correct the linear state of the image. Eigenfunctions may be employed to describe the data of the image. It can reduce the amount of the data describing the linear state of the image.

Abstract: The light source mechanism of a scanner provided in the present invention is to provide a plurality of light-emitting diodes that are placed uniformly beside a light-guide panel. The light emitted from the light-emitting diodes further passes through the light-guide panel, and is incident onto the scanning platform.

Abstract: A holder for variable-sized image recording mediums is provided. The holder includes a first outer frame member, a second outer frame member, a third outer frame member, a fourth outer frame member, at least one first rail and at least one second rail. The first outer frame member is symmetrical to the second outer frame member, and each of which has a groove formed in one side thereof along a longitudinal dimension and opposite to each other. The third outer frame member is symmetrical to the fourth outer frame member, and each of which has a groove formed in one side thereof along a longitudinal dimension and opposite to each other. The horizontal level of the groove of the first outer frame member is different from that of the groove of the third outer frame member. The first rail and second rail are positioned in the area enclosed by the outer frame members. The first rail is movably inserted in the grooves of the third and fourth outer frame members.

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 scanner and a scanning method having adjustable length of turn region are disclosed. The scanner comprises a first fixed element having an entry for a paper-in end; a U-turn element; and a second fixed element having an exit for a paper-out end. In addition, the scanner further comprises at least one first movable element located between the exit of the first fixed element and the entry of the U-turn element; and at least one second movable element located between the exit of the U-turn element and the entry of the second fixed element. Moreover, the scanning method comprises: firstly inputting the length of the document into the scanner; comparing the length of the document with the length of turn region; adjusting the length of turn region according to the comparison result; scanning the document.

Abstract: A variable-curvature lens system and a method for adjusting curvature thereof are provided. The variable-curvature lens system includes a plurality of lenses having at least one plastic lens and a thermal controller associated with the plastic lens. The curvature of the plastic lens is determined depending upon the ambient temperature controlled by the thermal controller. When the lens system is adapted to an image readout apparatus, a focus length of the whole lens system mates with an optimum MTF value can be obtained by way of controlling ambient temperature of the plastic lens by the thermal controller. A high-performance, high-resolution image output thus can be provided.

Abstract: A method for detecting a response of each probe zone on a test strip is provided. The present method includes providing a test strip having a color pattern displayed thereon. The color pattern occurs in response to a tested solution contacting with the test strip and including a plurality of color lines displayed in sequence from a bottom portion of the test strip to a top portion thereof. The site of each color line represents a probe zone of the test strip. Capturing a whole image of the test strip and selecting at least one scan line perpendicular to the image of the color lines therefrom. Setting a pixel position of the scan line having a minimum pixel value corresponding to a bottom edge of the test strip and using the pixel position as a reference to identify respective pixel positions of the color lines on the scan line so as to identify the image positions thereof on the whole image.

Abstract: A method for improving a reading resolution of a biosensor is provided. The present invention includes applying a specimen on a chip of a biosensor, and a voltage-time discharge curve is established in response to a specific component in the specimen detected by the chip. Using a voltage V0 of a sampling time t0 of the voltage-time discharge curve as a central voltage, and selecting a plurality of respective voltages of sampling times close to the sampling time t0. Obtaining an average voltage of the central voltage V0 and these selected respective voltages to serve as an output voltage of the sampling time t0. Determining a respective average voltage corresponding to each sampling time of the voltage-time discharge curve before the time of discharge ending based on the former step, to serve as the output voltage of the each sampling time. The each output voltage is converted to a set of digital signals.

Abstract: An apparatus with a combination of a point light source and a single lens is provided. The present apparatus includes a point light source, a photodetector and a lens. The lens is placed in the same side of the point light source and the photodetector in order that the light emitting from the point light source is focused onto a target area of an object through the lens. The reflected light from the target area is focused onto the photodetector through the lens. The present apparatus can qualitatively and quantitatively monitor a content of a specific component of a tested solution. The geometric relationship of the point light source, the photodetector and the single lens can improve a measuring resolution of the present apparatus.

Abstract: The present invention provides a method for determining concentration of blood glucose by using the change in the rising time. The chemical reaction between the blood glucose and enzyme within the test strip to generate the analog source that used to determine the concentration of the blood glucose in the measuring meter. Thus, the rising curve can be obtained after the analog source is treated, such that the concentration of the blood glucose can be determined.

Abstract: The present invention relates to a spotlighted device, more particularly, to a light source spotlighted device using in a scan device to make light condense in the first axial of a scanning plate and disperse uniformly in the second axial of the scanning plate, wherein the first axial and the second axial are perpendicular to one another. When light passing through the light source spotlighted device of the present invention to form a banding shining area on the scanning plate, a length of the banding shining area in the first axial will be reduced and the light which is distributed in the second axial will become more uniformly to avoid a dim area defect in a scanning process and to increase qualities of scanning image.

Abstract: A light gathering apparatus of a scanner is disclosed. A light source module of the light gathering apparatus is separated from a scanning module and is disposed on the main body of the scanner chassis, and a light gathering device and a light guiding device are used to guide light onto a scanning line of an original document. Because the light source module is separated from the scanning module, it is beneficial for miniaturization design of the scanner, and the scanner is easy to be cooled down, thereby decreasing noise and distortion resulted from a charged coupled device (CCD), reflection mirrors, or the main body of the scanning module being heated.

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: A LED light source used in a scanner is disclosed, and particularly a series of lenses employed to condense the LED light on the front and rear sides and disperse the LED light to the left and right sides. LED compared with CCFL employed as a light source can improve the problem of high power consumption, warm-up, and the limits of lifetime. Furthermore, the light through the lens extends the range of the left and right sides on a scanned material. Therefore, the amount of the LEDs decreases, than that skilled in the art used a large number of LEDs for obtaining a smoother field of light, and achieve low power consumption.

Abstract: The present invention relates to an optical system, especially to an optical system which is used in a chassis of a scan device to decrease a thickness of the chassis and further to decrease a volume of the scan device. Five reflecting mirrors are assembled in the chassis and a location and an angle of each reflecting mirror is adjusted to arrange a better optical path. One of the five reflecting mirrors passes through two times reflecting processes to make light transmit from a light source to a light-receiving element successfully.

Abstract: A light source control method and apparatus of an image scanner is disclosed. The invention utilizes a determination means and an illumination control device to perform partial or full illumination and adjust brightness so that the light source can be operated more efficiently and more economically.