Chung-Hsing
Chung-Hsing Chang, Kaohsiung City TW
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20130053699 | APPARATUS AND METHOD FOR PERFORMING PHOTODYNAMIC DIAGNOSIS AND PHOTODYNAMIC THERAPY - An apparatus for performing photodynamic diagnosis and photodynamic therapy on a target region that is pre-given with a photosensitizer precursor includes a display unit, an excitation light source operable to irradiate the target region with exciting light so as to excite emission of fluorescence from the target region as a result of fluorescence response of the photosensitizer precursor, an image capturing unit operable to capture a white light image and a fluorescent image of the target region, an image processing unit operable to superimpose the white light image and the fluorescent image into a synthesized image and to provide at least one of the white light image, the fluorescent image and the synthesized image thereto for display on the display unit, and a curing light source operable to irradiate a specified portion of the target region with curing light for treating the specified portion. | 02-28-2013 |
Chung-Hsing Chang, Taichung City TW
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20130229808 | Light Source Device with Outer Lens and Light Source System Using the Same - A light source device and a light source system using the same are provided. The light source device includes a lens and a light source disposed under the lens. The lens has a light-emitting top surface and a bottom surface having a hole that is surrounded by an inner wall surface and an inner top surface. The inner top surface and a projection area of thereof onto the light-emitting top surface are flat surfaces. The light source has an illumination area, wherein an opening of the hole covers a projection area of the illumination area onto the bottom surface. The light source system includes a plurality of the light source device disposed in a honeycomb arrangement, wherein the light source devices are spaced apart from each other. | 09-05-2013 |
20140126222 | Light Source Device - A light source device includes a lens and a light source disposed under the lens. The lens has a light-emitting top surface and a bottom surface opposite to the light-emitting top surface. The bottom surface concaves towards the light-emitting top surface to form a hole and has a gouge surrounding the hole with an inclination towards the edge of the hole. The hole is formed from the surrounding of a first inner wall surface and a second inner wall surface. The light source is disposed below the bottom surface and corresponds to the hole. | 05-08-2014 |
Chung-Hsing Chang, Taoyuan TW
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20140167705 | METHOD OF CHARGING BATTERY - A method of charging a battery includes following steps: First, a charging voltage is provided to charge the battery. Afterward, a charging control variable is judged whether to reach to an adjustment value. Afterward, the charging voltage is adjusted with a first voltage difference to continuously charge the battery when the charging control variable reaches to the adjustment value. Afterward, a health state value of the battery is judged whether less than or equal to a critical health state value. Finally, the charging voltage is increased with a second voltage difference to continuously charge the battery when the health state value of the battery is less than or equal to the critical health state value. | 06-19-2014 |
Chung-Hsing Chang, Yonghe City TW
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20100146252 | COMPUTER MOTHERBOARD WITH AUTOMATICALLY ADJUSTED HARDWARE PARAMETER VALUE - A computer motherboard with automatically adjusted hardware parameter values restarts automatically and proceeds with overclocking or power-saving operation in case the computer motherboard hangs due to preceding overclocking or power-saving operation. The computer motherboard includes: a watchdog unit connected to a frequency generator and adapted to notify the frequency generator and generate a restart signal after predetermined duration; the frequency generator for generating and outputting a frequency, and automatically decreasing or increasing, according to notice from the watchdog unit, a current frequency generated by the frequency generator so as to generate and output a new frequency to substitute for the current frequency; and a hardware parameter value setting unit for setting the frequency generator for a start frequency and an operation mode and starting the watchdog unit; wherein the computer motherboard receives the restart signal and automatically restarts at the new frequency when unbooted after predetermined duration. | 06-10-2010 |
20100325451 | POWER-SAVING TRIGGER-TYPE CONTROL DEVICE FOR DYNAMICALLY AND INSTANTLY VARYING FREQUENCY AND METHOD THEREOF - The present invention discloses a power-saving trigger-type control device for dynamically and instantly varying frequency and a method thereof. The device comprises a signal control unit having at least two signal input terminals, a counting control unit, and a clock generator. The two signal input terminals respectively receive increment trigger actions and decrement trigger actions and then generate increment trigger signals and decrement trigger signals each counting to the same number as the corresponding trigger actions. The counting control unit counts the increment trigger signals or decrement trigger signals. The clock generator linearly increments or decrements output frequency according to the count of the increment trigger signals or decrement trigger signals. The device of the present invention further has a power controller to regulate output voltage. The present invention can dynamically and instantly vary the frequency/voltage of the system via external control actions in any case to achieve power efficiency. | 12-23-2010 |
Chung-Hsing Chang, Milpitas, CA US
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20090080660 | PROCESSORLESS MEDIA ACCESS CONTROL ARCHITECTURE FOR WIRELESS COMMUNICATION - To provide greater flexibility in wireless communication design and implementation, a device and method for implementing media access control (MAC) layer functionality without using an embedded processor for MAC layer functions. A key table stores connection identification data and communicates the connection identification data to a transmit control module and a receive control module to configure and control data transmission and reception, respectively. This use of dedicated hardware, rather than an processor, to implement MAC functions simplifies the design and construction of devices which wirelessly communicate with each other. | 03-26-2009 |
20130052973 | LOW-POWER AND NOISE-CANCELLING WIDEBAND RECEIVER FRONT-END - One embodiment of the present invention provides a receiver for wireless communication. The receiver includes a group of band-pass filters (BPFs), a wideband amplifier coupled to the BPFs, and a tunable demodulator coupled to the wideband amplifier. A particular BPF is configured to filter RF signals at a particular frequency band. The wideband amplifier is configured to amplify the filtered RF signals. The tunable demodulator is configured to demodulate the amplified RF signals. | 02-28-2013 |
20130127499 | FRACTIONAL-N SYNTHESIZER - One embodiment of the present invention provides a synthesizer. The synthesizer includes one or more tunable oscillators, a frequency-dividing circuit coupled to the tunable oscillators, and a multiplexer coupled to the frequency-dividing circuit. The frequency-dividing circuit includes a number of frequency dividers, and is configured to generate a number of frequency-dividing outputs. At least one frequency-dividing output has a different frequency division factor. The multiplexer is configured to select a frequency-dividing output | 05-23-2013 |
20130128931 | ON-CHIP RADIO CALIBRATION - One embodiment of the present invention provides a quadrature-mixing transmitter for wireless communication. The transmitter includes a quadrature modulator comprising an in-phase (I) channel and a quadrature (Q) channel, a calibration-signal generator configured to generate calibration signals that are sent to the I channel and the Q channel, and a calibration circuit configured to calibrate an imbalance between the I channel and the Q channel. The modulator, the calibration-signal generator, and the calibration circuit are located on a same integrated circuit (IC) chip, thereby facilitating on-chip calibration of the imbalance between the I channel and the Q channel. | 05-23-2013 |
20140220915 | WIDEBAND TRANSMITTER FRONT-END - One embodiment of the present invention provides a transmitter for wireless communication. The transmitter includes a wideband tunable modulator, a number of power amplifiers with a particular power amplifier associated with a particular frequency range, and a wideband power amplifier (PA) driver. The PA driver is configured to receive an output signal from the wideband tunable modulator, amplify the output signal, and send the amplified output signal to at least one of the power amplifiers. | 08-07-2014 |
20140220921 | RECONFIGURABLE WIDEBAND RECEIVER - One embodiment of the present invention provides a receiver for wireless communication. The receiver includes a demodulator and at least one filtering mechanism coupled to the demodulator, and an analog-to-digital converter (ADC) coupled to the filtering mechanism. The filtering mechanism can be configured to function as a low-pass filter (LPF) or a band-pass filter (BPF), thereby enabling the receiver to function as a direct-conversion receiver or a low-intermediate frequency (low-IF) receiver. | 08-07-2014 |
20140292376 | FRACTIONAL-N SYNTHESIZER - One embodiment of the present invention provides a synthesizer. The synthesizer includes one or more tunable oscillators, a frequency-dividing circuit coupled to the tunable oscillators, and a multiplexer coupled to the frequency-dividing circuit. The frequency-dividing circuit includes a number of frequency dividers, and is configured to generate a number of frequency-dividing outputs. At least one frequency-dividing output has a different frequency division factor. The multiplexer is configured to select a frequency-dividing output | 10-02-2014 |
20150055720 | SIMPLE AND FLEXIBLE INTERFACE ARCHITECTURE FOR CONTROLLING RF FRONT-END COMPONENTS - One embodiment of the present invention provides a system for controlling at least one RF front-end component. During operation, the system receives, at a programmable logic chip from a baseband chip, a command; identifies the RF front-end component based on an address indicated by the command; and sends a control signal included in the command to the identified RF front-end component via the second interface. The programmable logic chip is coupled to the baseband chip via a first interface, and is coupled to the at least one RF front-end component via a second interface. | 02-26-2015 |
20150162916 | FRACTIONAL-N SYNTHESIZER - One embodiment of the present invention provides a synthesizer. The synthesizer includes one or more tunable oscillators, a frequency-dividing circuit coupled to the tunable oscillators, and a multiplexer coupled to the frequency-dividing circuit. The frequency-dividing circuit includes a number of frequency dividers, and is configured to generate a number of frequency-dividing outputs. At least one frequency-dividing output has a different frequency division factor. The multiplexer is configured to select a frequency-dividing output | 06-11-2015 |
Chung-Hsing Chang, Guei-Shan TW
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20110285359 | Charging Method And Charging Device For Charging A Rechargeable Battery - A charging method fit for use with and applicable to a rechargeable battery is provided. The charging method involves charging the rechargeable battery to a first preset voltage and then charging the rechargeable battery to a second preset voltage. The charging method includes the steps of: (a) using the first preset current as a charging current, and performing the constant current charging of the rechargeable battery by the first preset current until the rechargeable battery reaches the first preset voltage for the first instance; (b) subtracting a current difference value from the charging current used by the rechargeable battery to reach the first preset voltage in the preceding instance so as to obtain a new charging current, and performing the constant current charging of the rechargeable battery by the new charging current thus obtained until the rechargeable battery reaches the first preset voltage again; (c) repeating step (b) until the new charging current equals a second preset current; and step (d) using the second preset current of step (c) as another new charging current, and performing the constant current charging of the rechargeable battery by the second preset current until the rechargeable battery reaches a second preset voltage for the first instance. | 11-24-2011 |
Chung-Hsing Chou, Taipei TW
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20160045641 | CELL SHEET CONSTRUCT FOR NEUROVASCULAR RECONSTRUCTION AND MANUFACTURE THEREOF - The invention relates to a cell sheet construct for neurovascular reconstruction. The cell sheet construct has a vascular endothelial cell layer and a neural stem cell layer, and the two layers are physically in direct contact with each other, where the vascular endothelial cell layer forms branching vasculatures, and the neural stem cell layer differentiates into neurons. The invention also relates to a method for manufacturing the cell sheet construct, having the following steps: culturing vascular endothelial cells on a substrate to form a vascular endothelial cell layer, seeding neural stem cells on the vascular endothelial cell layer to make the neural stem cells be physically in direct contact with the vascular endothelial cell layer, and culturing the neural stem cells and the vascular endothelial cell layer to differentiate into neurons and branching vasculatures to form a cell sheet construct. | 02-18-2016 |
Chung-Hsing Ho, Kaohsiung County TW
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20080239205 | BACK LIGHT MODULE AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A backlight module is provided. The backlight module includes a frame, a plurality of light emitting elements, at least one photo sensor device and a diffusing plate. The frame has a bottom plate on which the plurality of light emitting elements are disposed. The photo sensor device is distributed on the bottom plate and among the plurality of light emitting elements. It is to be noted that the photo sensor device includes a light mixing component having a receiving space configured at a bottom thereof, and a photo sensor chip received in the receiving space. The diffusing plate is disposed in the frame and above the light emitting elements and the photo sensor device. The backlight module has an excellent light outputting performance and an LCD using the same has better displaying performance. | 10-02-2008 |
20090279016 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device including a backlight module, a liquid crystal display device panel and a second frame is provided. The backlight module has a first frame. The first frame has a first body, first fasteners and baffles, wherein the first fasteners and the baffles are integrally formed on the first body, and the first fasteners have opening. The liquid crystal display device panel is arranged on the backlight module. The second frame is assembled with the first frame for fixing the liquid crystal display device panel. The second frame has a second body and second fasteners integrally formed on the second body, and the second fasteners lodge in the openings of the first fasteners to limit the relative displacement between the first and second body, and the baffles are adapted for limiting the relative displacement between the first body and second body. | 11-12-2009 |
20100165231 | BACKLIGHT MODULE AND DISPLAY MODULE - The present invention provides a backlight module and a display module employing the backlight module. The display module includes a backlight component, a panel and a side-cover. The backlight module includes an upper-frame composed of a principal body and an extending portion, and a backlight component. A fillister is formed between the principal body and the extending portion to accommodate the panel, wherein the panel is inserted into and fixed in the display module by means of the fillister and the side-cover. | 07-01-2010 |
20100265696 | BACKLIGHT MODULE - A backlight module including a back plate, a frame, a light guide plate, and a light bar is provided. The back plate has a carrying portion and at least one holding portion, and the frame is leaned against the holding portion. The light guide plate is disposed on the carrying portion of the back plate, and one side of the light guide plate is accommodated between the holding portion and the carrying portion. The light bar includes a flexible substrate and a plurality of light emitting diodes (LEDs). The flexible substrate is disposed between the back plate and the light guide plate. The LEDs are disposed on the flexible substrate and located on the carrying portion of the back plate and by the light guide plate. Each of the LEDs has a first canopy which is located between the carrying portion and the light guide plate. | 10-21-2010 |
Chung-Hsing Ko, Taichung Hsien TW
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20080251945 | Semiconductor package that has electronic component and its fabrication method - A semiconductor device having at least an electronic component and its fabrication method are disclosed. The fabrication method comprises: applying a conductive material on each one of at least a paired solder pads arranged on a substrate by screen printing, with a recess formed in the conductive material on each one of the at least a paired solder pads, so as to expose a portion of each one of the at least a paired solder pads, wherein the recesses on the at least a paired solder pads are formed in position corresponding to each other; and mounting at least an electronic component having two opposing conductive terminals on the at least a paired solder pads, in a manner that the two opposing conductive terminals are introduced into the corresponding recesses of the conductive material so as for the electronic component to be electrically connected to the at least a paired solder pads via the conductive material by reflow. The recesses of the conductive material are capable of effectively securing the electronic component in position. Furthermore, both terminals of the electronic component are not formed with conductive material underneath so as to prevent the electronic components from tilting in level resulted from the uniform applying of the conductive material. | 10-16-2008 |
Chung-Hsing Tsai, Taipei TW
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20090121753 | PROTECTIVE CIRCUIT FOR MICROPROCESSOR - A protective circuit for microprocessor comprises an input terminal, a bias circuit, a reset circuit, and an output terminal, wherein the bias circuit coupled to the input terminal is configured to receive an input signal and generate a bias signal. The reset circuit coupled to the bias circuit is configured to receive a bias signal and generate a reset signal. The output terminal outputs the reset signal to a reset pin of the microprocessor so that the microprocessor is reset and protected from getting failure. | 05-14-2009 |
Chung-Hsing Wang, Hsin-Chu County TW
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20110035717 | Design Optimization for Circuit Migration - An embodiment of the present invention is a computer program product for providing an adjusted electronic representation of an integrated circuit layout. The computer program product has a medium with a computer program embodied thereon. Further, the computer program comprises computer program code for providing full node cells from a full node netlist, computer program code for scaling the full node cells to provide shrink node cells, computer program code for providing a timing performance of the full node cells and the shrink node cells, computer program code for comparing the timing performance of the full node cells to the timing performance of the shrink node cells, and computer program code for providing a first netlist. | 02-10-2011 |
Chung-Hsing Wang, Boashan Township TW
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20100259308 | Clock Circuit and Method for Pulsed Latch Circuits - Circuits and methods for providing a pulsed clock signal for use with pulsed latch circuits are described. A variable pulse generator is coupled to form a pulsed clock output responsive to a control signal and a clock input signal. A feedback loop is provided with a pulse monitor and a pulse control circuit. Samples of the pulsed clock signal are taken by the pulse monitor and an output is formed in the form of a pattern. The pulse control circuit receives the output of the monitor and determines whether it matches a predetermined pattern. Adjustments are made to the control signal to adaptively adjust the pulsed clock signal. The feedback loop may operate continuously. In alternative embodiments the feedback loop may be powered down. Methods for adaptively controlling a pulsed clock signal are disclosed. | 10-14-2010 |
Chung-Hsing Wang, Baoshantownship TW
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20130091476 | METHOD AND SYSTEM FOR REPLACING A PATTERN IN A LAYOUT - A received layout identifies a plurality of circuit components to be included in an integrated circuit (IC) layer for double patterning the layer using two photomasks, the layout including a plurality of first patterns to be included in the first photomask and at least one second pattern to be included in the second photomask. A selected one of the first patterns has first and second endpoints, to be replaced by a replacement pattern connecting the first endpoint to a third endpoint. At least one respective keep-out region is provided adjacent to each respective remaining first pattern except for the selected first pattern. Data are generated representing the replacement pattern, such that no part of the replacement pattern is formed in any of the keep-out regions. Data representing the remaining first patterns and the replacement pattern are output. | 04-11-2013 |
Chung-Hsing Wu, Tainan City TW
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20150129380 | HYDRAULIC DAMPER DEVICE - A hydraulic damper device includes a cylinder unit including a cylinder body having an inner surface and a plug, and a piston unit including a piston, a piston rod and a valve member. The piston defines an annular groove. The valve member is disposed movably in the annular groove. The piston cooperates with the inner surface to define a valve opening and a valve seat. The valve seat has a truncated conical surface. The valve member is movable between a closing position, in which the valve member covers sealingly the valve opening and abuts against the truncated conical surface, and an opening position, in which the valve member is spaced apart from the truncated conical surface. | 05-14-2015 |
Chung-Hsing Wu, Shanhua Township TW
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20110278117 | HYDRAULIC DAMPER DEVICE FOR RETARDING MOVEMENT OF A MOVABLE MEMBER TOWARD A STATIONARY MEMBER - A hydraulic damper device for retarding movement of a movable member toward a stationary member, includes a cylinder, an axially shiftable plug disposed in the cylinder to partition a receiving chamber into liquid and air compartments, a piston axially movable in the liquid compartment to divide the same into plug-side and end-side sub-compartments and having a passage, a piston rod secured to the piston and extending along the axis through the axially shiftable plug to permit axial movement of the piston. When the piston proceeds with a final stage of retarding movement, the axially shiftable plug is urged to move by virtue of an increased pressure in the plug-side sub-compartment for generating an increased counteracting force in the air compartment against the increased pressure, thereby further slowing down the retarding movement of the piston. | 11-17-2011 |