Yu-Chun Lin
Yu-Chun Lin, Xinying City TW
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20110090947 | DECISION FEEDBACK EQUALIZERS AND OPERATING METHODS THEREOF - A method for updating a tap coefficient of a decision feedback equalizer is provided. The method includes sampling a first input signal received by a sampler of a decision feedback equalizer. It is determined if an amplitude of the first input signal falls within a range defined between a first predetermined voltage level and a second predetermined voltage level. If the amplitude of the first input signal falls outside the range, a tap coefficient is updated to generate an updated tap coefficient that is fed back to adjust an amplitude of a second input signal received at an input end of the decision feedback equalizer. If the amplitude of the first input signal falls within the range, the tap coefficient is free from being updated. | 04-21-2011 |
20140146868 | DECISION FEEDBACK EQUALIZERS AND OPERATING METHODS THEREOF - A decision feedback equalizer (DFE) includes a sampler for receiving a first input signal and comparing an amplitude of the first input signal with a first predetermined voltage level and a second predetermined voltage level. The DFE includes a DFE logic circuit for receiving at least one first sign signal based on comparison results, and for selectively updating a tap coefficient based on the at least one first sign signal. The DFE logic circuit is configured to update the tap coefficient when the at least one first sign signal indicates the amplitude of the first input signal is not between the first predetermined voltage level and the second predetermined voltage level. The DFE logic circuit is configured to maintain the tap coefficient when the at least one first sign signal indicates the amplitude of the first input signal is between the first and the second predetermined voltage levels. | 05-29-2014 |
Yu-Chun Lin, Pingtung County TW
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20110066580 | CODEBOOK GENERATING METHOD - A codebook generating method comprises a dividing and transforming step dividing an original image into original blocks and transforming the original blocks into original vectors; a dividing step grouping the original vectors to obtain centroids; a first layer neuron training step selecting a portion of the centroids as first-level neurons; a grouping step assigning each of the original vectors to a closest first-level neuron so as to obtain groups; a second layer neuron assigning step assigning a number of second-level neurons in each of the groups, and selecting a portion of the original vectors in each of the groups as the second-level neurons; and a second layer neuron training step defining the original vectors in each of the groups as samples, training the second-level neurons in each of the groups to obtain final neurons, and storing vectors corresponding to the final neurons in a codebook. | 03-17-2011 |
Yu-Chun Lin, Taipei TW
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20100327725 | Light-Emitting Diode (LED) Lamp and Polygonal Heat-Dissipation Structure Thereof - A light-emitting diode (LED) lamp and a polygonal heat-dissipation structure thereof are provided. The LED lamp includes a polygonal heat-dissipation unit and a lighting module. The polygonal heat-dissipation unit has a polygonal hollow column and fins. The fins and the lighting module are thermally disposed on an inner surface and an outer surface of the polygonal hollow column, respectively. Thus, heat generated by the lighting module is dissipated by the fins rapidly. As the fins are thermally disposed on the inner surface of the polygon hollow column instead of being exposed, the volume of the LED lamp can be minimized, and the look of the LED lamp also can be prettified. | 12-30-2010 |
Yu-Chun Lin, Taiwan CN
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20100315913 | Method for Controlling Layer Changes for an Optical Disk Drive - A method for controlling layer changes for an optical disk drive is provided, where a focus of a laserbeam emitted by a pickup head of the optical disk drive is moved from a current data layer of a disk to a target data layer of the disk. First, a position of a collimator lens of the pickup head is adjusted for spherical aberration correction. The objective lens is then lowered to a low position to move the focus of the laserbeam off the surface of the disk. The objective lens is then raised towards the disk. A focusing error signal is generated while the objective lens is being raised. Whether a target S-curve corresponding to the target data layer is present in the focusing error signal is then started to be detected. If the target S-curve is detected, the focus on operation on the target data layer of the disk is successful. | 12-16-2010 |
Yu-Chun Lin, Hsin-Chu City TW
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20080279056 | Calibration Method for Determining Servo Parameters for Accessing an Optical Disc - Calibration methods are provided for determining servo parameters to enhance an optical drive in reading and writing a blank optical disc. First, test data is written on the blank disc with various writing parameters. Second, the written test data is read from the optical disc with various reading parameters. A plurality of quality measures are obtained, each corresponds to a specific combination of the writing parameter and the reading parameter. An optimal writing parameter and an optimal reading parameter are determined by comparing the quality measures with respect to both the reading and writing parameters respectively. | 11-13-2008 |
20090279395 | OPTICAL DISK DRIVES AND METHOD FOR CONTROLLING TRACK-SEEKING FOR OPTICAL DISK DRIVES - The invention provides an optical disk drive. The optical disk drive comprises a pickup head, a seek control device, a lens vision characteristic decoder, and an anti lens shift device. The pickup head comprises a sled and a lens for projecting a beam on a disk. The seek control device moves the sled, and shifts the lens with a shift distance relative to an origin at a center of the sled. The equalizer derives a servo signal from a reflection of the beam. The lens vision characteristic decoder obtains a vision characteristic of the lens according to the servo signal and determines a track-on direction according to the vision characteristic. The anti lens shift device triggers the seek control device to perform a track-on process according to the track-on direction. | 11-12-2009 |
20100034069 | METHOD FOR CONTROLLING FOCUS LOOP OF AN OPTICAL STORAGE DEVICE - A method for controlling focus loop of an optical storage device includes: moving a lens of an optical pick-up head in a first moving direction; performing a focusing operation when a first S-curve sequence appears in a focus error signal; and when a light beam generated from the optical pick-up head is not focused on an optical disc, performing the focusing operation when a second S-curve sequence appears in the focus error signal; wherein the first S-curve sequence and the second S-curve sequence appear in the focus error signal during one revolution of the optical disc. | 02-11-2010 |
20100128581 | OPTICAL DISK DRIVE AND METHOD FOR DRIVING A FEEDING DEVICE OF AN OPTICAL DISK DRIVE - The invention provides an optical disk drive. In one embodiment, the optical disk drive comprises a feeding device, a power driver, and a controller. The feeding device comprises a spherical aberration (SA) lens and a stepping motor, wherein the SA lens corrects spherical aberration of a light beam emitted by a pickup head, and the stepping motor moves the SA lens according to a plurality of control signals. The power driver generates the control signals to drive the stepping motor to move the SA lens. The controller directs the power driver to drive the stepping motor to move the SA lens with only stable steps when the SA lens is required to move, so that the stepping motor is in a stable state without inducing step errors after the stepping motor rotates with the stable steps. | 05-27-2010 |
Yu-Chun Lin, Linbian Township TW
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20100059577 | Packing box structure - A packing box includes a first triangular lateral board part, an upper board part, a bottom board part, a covering board part, and a second triangular lateral board part, which includes upper and lower parts; when the packing box is in a spread-out position, it has a first sticking plate lying between the first triangular lateral board part and the bottom board part; the first sticking plate joins the first triangular lateral board part and the bottom board part together, and therefore can prevent the covering board part from being folded along a middle portion when one is folding and erecting the packing box; therefore, folds won't be formed on the covering board part to spoil the appearance. | 03-11-2010 |
Yu-Chun Lin, Hsinchu County TW
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20090316412 | LAMP APPARATUSES - A lamp apparatus include a lamp body, at least an alternating current light-emitting diode and a plug. The alternating current light-emitting diode is disposed on a lamp body. The plug is electrically connected to the alternating current light-emitting diode. In lamp apparatuses utilizing AC LED, heat generated thereby is almost concentrated on chips. Compared with conventional lamp apparatuses utilizing DC LEDs, heat generated thereby is distributed on chips and outer rectifier. In lamp apparatuses utilizing AC LEDs, heat generated thereby is almost concentrated on chips because AC LEDs operate directly with AC electric power, omitting a rectifier and preventing power loss during operation of power rectification. Therefore, the heat accumulated on the chips of the AC LEDs is enough to be used to evaporate essential oil. In another embodiment, the invention utilizes low-resistance pure water surrounding the AC LED to dissipate its heat. | 12-24-2009 |
Yu-Chun Lin, Hsinchu TW
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20090032825 | Structure Of LED-Based Display Module And Method For Manufacturing The Same - The display module contains a circuit board, a heat-resistant and transparent protective layer, and a transparent and waterproofing enclosing member. The circuit board has a number of LED devices configured on the front surface and at least a terminal on the back surface. The LED devices are electrically and signally wired to the terminal so that electricity and video signals are fed to the LED devices via the terminal. The protective layer is coated on the outer surfaces of the LED devices and the circuit board so as to protect the wiring, the soldering contacts, and the electrical components of the circuit board from being damaged by the high temperature during the process of forming the enclosing member. The enclosing member wraps the circuit board and the LED devices entirely within and exposes only the terminal. | 02-05-2009 |
20140111996 | LAMP APPARATUSES - A lamp apparatus include a lamp body, at least an alternating current light-emitting diode and a plug. The alternating current light-emitting diode is disposed on a lamp body. The plug is electrically connected to the alternating current light-emitting diode. In lamp apparatuses utilizing AC LED, heat generated thereby is almost concentrated on chips. Compared with conventional lamp apparatuses utilizing DC LEDs, heat generated thereby is distributed on chips and outer rectifier. In lamp apparatuses utilizing AC LEDs, heat generated thereby is almost concentrated on chips because AC LEDs operate directly with AC electric power, omitting a rectifier and preventing power loss during operation of power rectification. Therefore, the heat accumulated on the chips of the AC LEDs is enough to be used to evaporate essential oil. In another embodiment, the invention utilizes low-resistance pure water surrounding the AC LED to dissipate its heat. | 04-24-2014 |
20140173241 | METHOD OF GENERATING OPTIMIZED MEMORY INSTANCES USING A MEMORY COMPILER - A method of generating optimized memory instances using a memory compiler is disclosed. Data pertinent to describing a memory to be designed are provided, and front-end models and back-end models are made to supply a library. Design criteria are received via a user interface. Design of the memory is optimized among speed, power and area according to the provided library and the received design criteria, thereby generating memory instances. | 06-19-2014 |
Yu-Chun Lin, New Taipei TW
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20140156384 | ELECTRONIC DEVICE AND DATA ANALYZING METHOD - In a method for analyzing play results of advertisements in client computers using a server, the method receives play results of played advertisements in the client devices, collects total play results of the played advertisements in the client devices after a preset interval, and determines whether an unqualified advertisement whose play results do not match preset requirements is found in the server. The method further determines an updated advertisement played in the client devices when the unqualified advertisement has been found, and sends the updated advertisement to each of the client devices. | 06-05-2014 |
20140181296 | VIRTUAL MACHINE SEQUENCE SYSTEM AND METHOD - A remote computer monitors virtual machines in cloud servers of a data center. The remote computer obtains parameters of each virtual machine authorized to a user by a monitoring program when a user logs in a login interface in a client computer. The remote computer calculates a resource coefficient of each virtual machine according to the parameters of the virtual machine authorized to the user. The remote computer displays an icon corresponding to each virtual machine in the login interface according to the resource coefficient of each virtual machine. | 06-26-2014 |
20140181814 | VIRTUAL MACHINE SCHEDULING SYSTEM AND METHOD - A remote computer monitors virtual machines in cloud servers of a data center. The remote computer sends a monitoring program to cloud servers. The remote computer obtains parameters of the cloud server by the monitoring program. The remote computer calculates an interval for starting virtual machines in the cloud server according to parameters of the cloud server. The remote computer starts the virtual machines in the cloud server at the calculated interval. | 06-26-2014 |
20140289727 | COMPUTING DEVICE AND METHOD FOR EXPANDING HARDWARE FUNCTIONS OF THE COMPUTING DEVICE - In a method for expanding hardware functions of a computing device, a virtual component is created in the computing device. The virtual component corresponds to a physical component desired by the computing device. The computing device detects an electronic device equipped with the physical component. A communication channel between the virtual component and the electronic device is established. Via the communication channel, a data processing request and data requested to be processed by the computing device are transferred from the computing device to the electronic device. The computing device receives a processing result of the data from the electronic device, and stores the processing result in a storage system. | 09-25-2014 |
Yu-Chun Lin, Guishan Township TW
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20140241604 | METHOD FOR EXTRACTING ARTERIAL INPUT FUNCTION AND APPLICATION THEREOF TO DYNAMIC CONTRAST ENHANCED MAGNETIC RESONANCE IMAGING - The present invention discloses a method for extracting AIF and an application thereof to DCE-MRI. The method comprises steps: contacting a target tissue with a contrast agent to obtain a plurality of images; using the plurality of images to work out the tissue concentration curve of the contrast agent in each voxel; calculating the purity of the tissue concentration curve of each voxel according to the tissue concentration curves; and extracting the voxel having the highest purity as the optimized arterial location; and extracting the tissue concentration curve of the voxel having the highest purity as the arterial input function. The extracted AIF is applied to a pharmacokinetic model to obtain associated pharmacokinetic parameters. The present invention not only improves the accuracy and reliability of the derived quantitative indexes but also promotes the efficiency of the quantitative analysis. | 08-28-2014 |
Yu-Chun Lin, Taipei City TW
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20150311263 | PIXEL STRUCTURE AND ELECTROLUMINESCENT DISPLAY HAVING THE SAME - A pixel structure and an electroluminescent display having the same are disclosed. The pixel structure comprises a first pixel and a second pixel. The first pixel and the second pixel each comprise a first sub-pixel, a second sub-pixel and a third sub-pixel. The first sub-pixel of the first pixel is adjacent to the first sub-pixel of the second pixel, the second sub-pixel of the first pixel is adjacent to the second sub-pixel of the second pixel, and the third sub-pixel of the first pixel is adjacent to the third sub-pixel of the second pixel. The first sub-pixel of the first pixel is adjacent to the first sub-pixel of the second pixel in a first direction, and the second sub-pixel of the first pixel is adjacent to the second sub-pixel of the second pixel in a second direction that is not parallel to the first direction. | 10-29-2015 |