Abstract: A dust-proof mechanism for optical reflection module of an image scanner is disclosed. The dust-proof plate is disposed at an open area of the optical reflection module. Each lateral end of the dust-proof plate is disposed with a shaft rod pivotally fitted in a shaft hole formed on a lateral inner wall of the optical reflection module. The direction of the dust-proof plate is parallel to the direction of the reflection mirror of the optical reflection module. When the scanner performs the scanning operation, the dust-proof plate is positioned at an opened position. When the scanner does not perform the scanning operation, the dust-proof plate shields the open area of the optical reflection module so as to isolate suspending dust from passing through the open area of the optical reflection module and attaching to the mirror surface of the reflection mirror.

Abstract: An electronic apparatus cooling device includes a casing, the casing defining a first air path and holding a fan in the first air path, a partition board mounted within the casing, the partition board having an opening in communication with the first air path, and holding a fan in a second air path defined therein, and a top plate covered on the casing, the top plate having a first suction hole sealed in air-tight communication with the first par path, and a second suction hole disposed in communication with the second air path.

Abstract: A cooling rack for notebook computer is constructed includes a base frame defining a plurality of open chambers, a cover shell covered on the base frame, the cover shell having a plurality of suction holes corresponding to the open chambers of the base frame, and a plurality of bearing blocks raised from the top side wall thereof and adapted to support a notebook computer above the top side wall of the cover shell, and a plurality of fans respectively installed in the open chambers in the base frame and controlled to induce currents in direction from the suction holes of the cover shell to the air outlet of each open chamber of the base frame for carrying heat away from the supported notebook computer.

Abstract: A garlic surface membrane stripper comprises a first body, a second body, a press rod, and a press structure. The first body is installed with a plurality of membrane stripping claws therewithin. The lower ends of the membrane stripping claws are formed with respective free ends, and each of the membrane stripping claw is installed with a protrusion. The membrane stripping claws encircles around a space as a chamber. The second body is installed with an assembling hole and an inlet, and the second body is connected to an upper end of the first body. The press rod is slidably matched to an assembling hole of the second body. The press structure is installed with a plurality of press pieces, and the press structure is connected to a lower end of the press rod. By aforesaid structure, a garlic surface membrane stripper is formed.

Abstract: A synchronous dynamic RAM capable of segmentally precharging each memory bank. In this SDRAM, each memory bank is divided into multiple memory blocks. Each of these memory blocks internally has its own row access circuitry, but performs independent precharging operation. Access to the memory bank can be cooperative externally, and precharge operation can be separately applied to these memory blocks while allowing utilization of row cache that is available on other blocks. The SDRAM further includes a control device for generating a dedicated precharge signal to each memory block according to a precharge signal for each memory bank. Each dedicated precharge signal independently precharges the corresponding memory block regardless of the access operations executed by other memory blocks.

Abstract: A synchronous dynamic RAM capable of segmentally precharging each memory bank. In this SDRAM, each memory bank is divided into multiple memory blocks. Each of these memory blocks internally has its own row access circuitry, but performs independent precharging operation. Access to the memory bank can be cooperative externally, and precharge operation can be separately applied to these memory blocks while allowing utilization of row cache that is available on other blocks. The SDRAM further includes a control device for generating a dedicated precharge signal to each memory block according to a precharge signal for each memory bank. Each dedicated precharge signal independently precharges the corresponding memory block regardless of the access operations executed by other memory blocks.

Abstract: An improved apparatus for reducing memory usage of look-up table mapping in an imaging system, a method related to the apparatus is also disclosed. The apparatus receives a digital input signal and processes it through a two-step mapping procedures instead of conventional skill that it uses only one look-up table, each procedure provides a series of mapping outputs. A comparing unit composed of a lot of logical gates is then comparing those mappings with original input signal and choosing the best one for preparing a final output. Finally, a final output corresponding to the best choice is providing for displaying.

Abstract: A synchronous dynamic RAM capable of segmentally precharging each memory bank. In this SDRAM, each memory bank is divided into multiple memory blocks. Each of these memory blocks internally has its own row access circuitry, but performs independent precharging operation. Access to the memory bank can be cooperative externally, and precharge operation can be separately applied to these memory blocks while allowing utilization of row cache that is available on other blocks. The SDRAM further includes a control device for generating a dedicated precharge signal to each memory block according to a precharge signal for each memory bank. Each dedicated precharge signal independently precharges the corresponding memory block regardless of the access operations executed by other memory blocks.

Abstract: An apparatus for digital correction in an image system is disclosed. The present invention comprises pre-processing means for automatically adjusting dc gain of an image signal; an analogue-to-digital converter for converting the adjusted image signal to a digital signal; bit-enhancing means for generating a bit-enhanced signal; and post-processing means for generating an image code by processing the bit-enhanced signal through highlight, shadow, Gamma and shading correction. The present invention provides an improved apparatus for correcting the photo-response non-uniformity, avoiding image defect, without sacrificing the accuracy of the image system.

Abstract: A low-current source circuit for generating a constant current and a reference voltage from a fluctuating voltage source is disclosed. A resistive circuit is electrically connected to the voltage source for determining amount of the constant current. A charging circuit is electrically connected to a second lead of the resistive circuit and the voltage source for supporting a charging path for the voltage source. A current output circuit is electrically connected to the second lead of the resistive circuit for outputting the constant current. A stabilizing circuit is electrically connected between the second lead of the resistive circuit and a control lead of the current output circuit for stabilizing the current output circuit. A reference voltage circuit is electrically connected to an output lead and the control lead of the current output circuit for generating the reference voltage.

Abstract: A self-biased voltage-regulated current source is disclosed. The present invention includes a current source circuit for generating a constant output current; a voltage source for supplying an unstable voltage for the current source circuit; a regulating circuit for generating a regulated voltage coupled to the current source circuit; and a bias circuit, coupled to the regulating circuit, for generating a bias current to the regulating circuit and the current source circuit, where the bias current is greater than the output current of the current source circuit.

Abstract: A scanning device for a color optical reader suitable for high speed single-pass scanning and size reduction, comprising a color charge-coupled-device (CCD) to sense and output red, green and blue signals; a driving circuitry to control the magnitude of the output image signals from the CCD; a color separation circuitry to select the desired color signal; a color pixel arrangement circuitry to convert the color data from a line sequence to a pixel sequence and a positioning mechanism to drive the CCD sensor to a predetermined position.The present invention can improve the effectiveness of single-pass scanning and output color signals while reducing the cost of the entire system.

Abstract: A board game box comprising two base frames made from a plastic material through the process of injection molding and pivotably connected with each other by hinges, said base frames each having an opening at the middle, a groove around said opening and a plurality of projecting strips transversely projecting in said opening at one side above said groove, two veneered panels respectively fastened in said groove and retained in place by said projecting strips, two lining sheets respectively glued to the surface of said two veneered panels, locking devices fastened in said base frames for locking them into a closed position, and a handle attached to either of said base frames for comfortable and positive grip. Each base frame has two locating grooves at two opposite locations for fastening a small storage case for keeping the pieces for a board game.