Abstract: A method and system for positioning by using optical speckle are disclosed in this invention. A highly coherent laser light irradiates a positioning template in advance to record optical speckles caused by interference by scattered light beams from the positioning template for establishing a speckle database. Furthermore, a reference point is defined to position each recorded speckle. Therefore, a coordinate with respect to the reference point corresponding to a specified speckle can be used to position a target or applied to distance measurement by the speckle database. The precision of the speckles according to the present invention is within several micrometers. Hence, it can provide high precision positioning.

Abstract: A highly sensitive movable touchpad is disclosed in the present invention. It is used for laptop computers and has a slidable template for users to move so that a cursor can be controlled by the touchpad. A resistive or capacitive detecting surface can be applied for detecting users' click, double click, drag, or scroll motion on any point of the surface. Additionally, there is an optical displacement sensor provided under the slidable template for detecting surface information on the back surface of the slidable template. A sequence of images of surface movement are processed by an image processing unit. Then, relative movement information is calculated and sent to an operating system in the computer. The operating system controls the cursor with the relative movement information. The present invention uses edge detectors for dynamically controlling the cursor and calibrating location of the cursor so that positioning of the touchpad is synchronous with the cursor.

Abstract: The present invention provides a calibration method of projection effect. The calibration method of projection effect according to the invention comprises the following steps. The first, step (a) is performed to make an optical navigation system move along a predetermined trace relative to an object plane. Then, step (b) is performed to sense the predetermined trace by a sensor to obtain a projection trace. The next, step (c) is performed to calculate a projection effect value according to the included angle between a reflected light and the object plane. Finally, step (d) is performed to calibrate the projection trace with the projection effect value to obtain a calibration trace which is in proportion to the predetermined trace.

Abstract: The present invention relates to an animal vaccine directed to progressive atrophic rhinitis (PAR), comprising at least two fragments of recombinant subunit Pasteurella multocida toxins (rsPMT) capable of eliciting the production of antibodies against Pasteurella multocida associated with PAR, and to a method for producing the animal vaccine of the invention, said fragments each having an amino acid sequence that substantially corresponds to the 2-486, 486-986 or 986-1281 amino acid residues of Pasteurella multocida toxin (PMT), respectively. Also disclosed is a multivalent animal vaccine, comprising said fragments as active components against PAR, and at least a pathogenic antigen or epitope thereof associated with other animal disease(s), such as inactivated gE-deleted Pseudorabies virus.

Abstract: A method for determining whether a to-be-identified individual is a registered individual includes the steps of: a) providing the registered individual with a non-biometric target, which is provided with a to-be-detected surface capable of scattering coherent light that is to be detected by an image sensor so as to obtain a speckle image unique to the non-biometric target, and storing reference speckle image information corresponding to the speckle image associated with the non-biometric target in a database; b) obtaining speckle image information associated with the to-be-identified individual; c) determining whether the speckle image information of the to-be-identified individual has a match with the reference speckle image information stored in the database; and d) determining the to-be-identified individual as the registered individual when it is determined in step c) that there is a match, and determining the to-be-identified individual as a non-registered individual when otherwise.

Abstract: A highly sensitive movable touchpad is disclosed in the present invention. It is used for laptop computers and has a slidable template for users to move so that a cursor can be controlled by the touchpad. A resistive or capacitive detecting surface can be applied for detecting users' click, double click, drag, or scroll motion on any point of the surface. Additionally, there is an optical displacement sensor provided under the slidable template for detecting surface information on the back surface of the slidable template. A sequence of images of surface movement are processed by an image processing unit. Then, relative movement information is calculated and sent to an operating system in the computer. The operating system controls the cursor with the relative movement information. The present invention uses edge detectors for dynamically controlling the cursor and calibrating location of the cursor so that positioning of the touchpad is synchronous with the cursor.

Abstract: A method and system for positioning by using optical speckle are disclosed in this invention. A highly coherent laser light irradiates a positioning template in advance to record optical speckles caused by interference by scattered light beams from the positioning template for establishing a speckle database. Furthermore, a reference point is defined to position each recorded speckle. Therefore, a coordinate with respect to the reference point corresponding to a specified speckle can be used to position a target or applied to distance measurement by the speckle database. The precision of the speckles according to the present invention is within several micrometers. Hence, it can provide high precision positioning.

Abstract: The present invention provides a calibration method of projection effect. The calibration method of projection effect according to the invention comprises the following steps. The first, step (a) is performed to make an optical navigation system move along a predetermined trace relative to an object plane. Then, step (b) is performed to sense the predetermined trace by a sensor to obtain a projection trace. The next, step (c) is performed to calculate a projection effect value according to the included angle between a reflected light and the object plane. Finally, step (d) is performed to calibrate the projection trace with the projection effect value to obtain a calibration trace which is in proportion to the predetermined trace.

Abstract: A geographic information updating device for enhancing precision of geographic information in a navigation system, the navigation system including a geographic information database for storing at least one geographic data, the geographic information updating device includes an image database, an image capturing unit, an image comparing unit and a processing unit. The image database is utilized for storing a plurality of road image data. The image capturing unit is utilized for capturing an image data. The image comparing unit is utilized for comparing the image data captured by the image capturing unit and the plurality of road image data stored in the image database, so as to generating a comparing result. The processing unit is coupled to the image comparing unit and the geographic information database, for updating the at least one geographic data of the geographic information database according to the comparing result.

Abstract: The present invention relates to an animal vaccine directed to progressive atrophic rhinitis (PAR), comprising at least two fragments of recombinant subunit Pasteurella multocida toxins (rsPMT) capable of eliciting the production of antibodies against. Pasteurella multocida associated with PAR, said fragments each having an amino acid sequence that substantially corresponds to the 2-486, 486-986 or 986-1281 amino acid residues of Pasteurella multocida toxin (PMT), respectively. Also disclosed is a multivalent animal vaccine, comprising said fragments as active components against PAR, and at least a pathogenic antigen or epitope thereof associated with other animal disease(s), such as inactivated gE-deleted Pseudorabies virus.

Abstract: A frequency-locking device including a digitally-controlled oscillator (DCO) and a comparing unit is disclosed. The DCO is used for generating an output frequency signal. The comparing unit receives a Keep Alive signal or a start of a frame (SOF) from a universal serial bus (USB) and the output frequency signal, and compares the Keep Alive signal or the start of a frame (SOF) with the output frequency signal to generate a calibration signal. Then, the DCO adjusts the frequency of the output frequency signal according to the calibration signal to meet the USB specification for data communication.

Abstract: The present invention relates to an animal vaccine directed to progressive atrophic rhinitis (PAR), comprising at least two fragments of recombinant subunit Pasteurella multocida toxins (rsPMT) capable of eliciting the production of antibodies against Pasteurella multocida associated with PAR, and to a method for producing the animal vaccine of the invention, said fragments each having an amino acid sequence that substantially corresponds to the 2-486, 486-986 or 986-1281 amino acid residues of Pasteurella multocida toxin (PMT), respectively. Also disclosed is a multivalent animal vaccine, comprising said fragments as active components against PAR, and at least a pathogenic antigen or epitope thereof associated with other animal disease(s), such as inactivated gE-deleted Pseudorabies virus.

Abstract: A grinding machine includes an abrasive element rotatably mounted on a support frame and coupled to a drive, a blower casing including a surrounding wall which confines a blower chamber and which extends beyond and which is spaced apart radially from a rim of the abrasive element to define a surrounding intake passage therebetween, a dust discharge port disposed downstream of the intake passage, communicated with the blower chamber and, and offset from an axis of the abrasive element, and an impeller disposed in the blower chamber and coaxial with the abrasive element such that dust generated as a result of a grinding operation of the abrasive element is entrained in an air stream drawn into the blower chamber through the surrounding intake passage and subsequently out of the discharge port by virtue of rotation of the impeller.

Abstract: A pressure washer for delivering liquid under high pressure is connected to a liquid supply, and includes a motor unit, a storage tank unit, a hydraulic pump unit, a check valve unit, and a spray nozzle. When the motor unit is started and the spray nozzle is opened, liquid is sprayed from the spray nozzle. Subsequently, when the spray nozzle is closed, the motor unit continues to operate, and a return flow passage in the check valve unit is opened so as to allow for circulation of liquid between the storage tank unit and the hydraulic pump unit.

Abstract: The present invention relates to an animal vaccine directed to progressive atrophic rhinitis (PAR), comprising at least two fragmens of recombinant subunit Pasteurella multocida toxins (rsPMT) capable of eliciting the production of antibodies against Pasteurella multocida associated with PAR, said fragments each having an amino acid sequence that substantially corresponds to the 2-486, 486-986 or 986-1281 amino acid residues of Pasteurella multocida toxin (PMT), respectively. Also disclosed is a multivalent animal vaccine, comprising said fragments as active components against PAR, and at least a pathogenic antigen or epitope thereof associated with other animal disease(s), such as inactivated gE-deleted Pseudorabies virus.

Abstract: The present invention relates to a radar video display and recording device, which can simultaneously display radar video signals of the whole and designated areas in the polar coordinates and Cartesian coordinates, respectively, and can store the radar video signals of the designated area in a hard disk drive (HDD) for obtaining long-time continuous radar video information for subsequent analysis and algorithm verification. A radar video capture card is utilized on a personal computer (PC) or workstation platform to analyze and store radar video signals of the whole and designated areas and to simultaneously display video signals at different processing stages in a digital video processing unit on a scope for monitoring the work condition at each processing stage.