Abstract: An adjusting mechanism for the lens set of an imaging system, which is applied to digital photo-taking system, monitoring system, and the like for precisely adjusting the lens set thereon, comprising a pivoting means located inside the imaging system for providing rotation capability to the lens set having the rotation center located at the pivoting means and close to the anchoring end of the lens set; a driving means, located inside the imaging system, for driving the lens set to rotate around the pivoting means; and a human-machine interface for facilitating the operator to control the driving means indirectly.

Abstract: The invention relates to pixel insertion on optical scanners. The invention increases the efficiency of video buffer in optical scanners and improves the speed of I/O device by locating the position of interpolation device in front of video buffer which is for temporarily storing image data and outputting the image data. Immediately after the video buffer is an input buffer which is for receiving the output of the video buffer. The input buffer provides an interface for video buffer and the interpolation device. The function of the interpolation device is for inserting pixels into the original pixels to increase the resolution of the image. When the host machine is requesting image data, an output buffer delivers the image data in the interpolation device to an I/O device for the host machine to read.

Abstract: A transparent adapter hinged to a flatbed scanner for the scanning of a transparency or negative, including a hot cathode-ray tube to provide light, a refractor mounted around the hot cathode-ray tube to refract light from the hot cathode-ray tube onto a document, for permitting the image of the document to be picked up by a charge-coupled device in the optical scanner, and to prevent light from being directly projected by the hot cathode-ray tube onto the document.

Abstract: An optical system for a flatbed scanner, including a first optical unit to emit light onto a document and to reflect the image of the document, a second optical unit to receive reflected light from the first optical unit and to reflect it, a third optical unit to receive reflected light from the second optical unit and to send it out, and a fourth optical unit to receive light from the third optical unit and to pick up the image from it, wherein the first optical unit, the second optical unit and the third optical unit can be independently moved relative to the fourth optical unit subject to a predetermined setting made in the optical scanner.

Abstract: An apparatus for photo-electric automatic feedback compensation control is used with a charged coupled device (CCD) scanner to efficiently bring the CCD scanner into optimal operating range by controlling the output intensity of a light source based upon output readings from the CCD. A voltage controlled power supply drives a light source to emit light through an optical system to irradiate a CCD scanner. The voltage induced in the CCD scanner is output and manipulated to produce a digital control signal. When the photo-electric conversion rate of the CCD is too high, the light emitting intensity of the light source is reduced based upon the output of the CCD. When the photo-electric conversion rate of the CCD is too low, the output intensity of the light source is increased based upon the output signal of the CCD scanner.

Abstract: A method to simplify the use of a plurality of identical processors connected in parallel. The method contains the steps of: (a) obtaining a computer system having a CPU and a plurality of identical processors connected in parallel, the processors are also connected to the CPU; (b) obtaining first and second clocks of different oscillation frequencies, wherein the first clock having a slower oscillation frequency than the second clock; (c) connecting the first clock to only one of the plurality of processors and connecting the second clock to the rest of the plurality of processors; and (d) instructing the CPU to check only the processor connected to the first clock, which is connected to the slower clock, for a ready signal, and instructing the CPU to proceed to next step if a ready signal is received from the processor connected to said first clock.

Abstract: A simple digital method is disclosed for controlling the digital signals sent out from a pluralities of identical signal processors (i.e, signal generators) so as to achieve synchronization. The method comprises the steps of: (a) obtaining a gate array logic circuit containing a plurality of pairs of comparison terminals and reference terminals, each of the comparison terminals is connected to a respective signal processor and the reference terminals are respectively connected to at least two different signal processors; (b) performing a gate array logic circuit operation, which comprises the following sub-steps: (i) performing a waiting procedure for each pair of comparison terminal and reference terminal until it is received that the comparison terminal is "1" and the reference terminal is "0", then moving to a gate procedure; otherwise, continuing the waiting procedure (i.e., no disable signal is sent out); (ii) performing a gate procedure by continuously sending out a "1" gate signal, i.e.

Abstract: A buffer device for packings, including at least one base unit, each base unit constructed of an elongated, channel-like base frame and two supporting frames joined by the base frame, the base frame being formed by folding up a punched cardboard and, having a rectangular horizontal bottom wall and two vertical side walls raised from two opposite long sides of the horizontal bottom walls, each supporting frame being formed by folding up a respective punched cardboard and having a vertical side wall and a side matched rectangular box, the vertical side wall of either supporting frame being top notched and engaged into a mounting slot at either end of the base frame to block up either open end of the base frame permitting the horizontal bottom wall of the base frame to be supported on the rectangular box of either supporting frame.

Abstract: A compact, high-speed, high resolution, low-cost color filter driver for use in a color optical reader. The image of a document is reflected through a cylindrical color filter assembly rotated by a motor, causing a charge coupled device to be exposed to the light three times (red, blue, green) as the motor was rotated through a half run, and the document scanning portion moves ahead for one step. The color image of the document is reproduced by repeating the aforesaid procedure again and again through the operation of the single color charge coupled device and the cylindrical color filter assembly.

Abstract: A durable filter driving mechanism for a color optical reader that is capable of being positively and accurately positioned is proposed. The filter driving mechanism includes a guiding piece mounting thereon a reduction gear assembly having a reduction gear set meshing with a rack of a sliding piece having a rail coupling thereto a color filter assembly operating in cooperation with a lens assembly and a charge coupled element.