Ching-Hsiang
Ching-Hsiang Chan, Tao Yuan Shien TW
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20090070620 | Method and system for detecting and recovering failure command - A method and a system for detecting and recovering a failure command are provided. The method is used in a native command queuing (NCQ) and at least includes the following steps. In step (a), several commands are executed on a disk simultaneously according to the NCQ. In step (b), whether a request time of the commands is longer than a waiting time is measured: if the request time is not longer than the waiting time, then step (a) is executed. In step (c), one command is chosen. In step (d), whether the chosen command is executed successfully is determined: if the chosen command is executed successfully, then step (f) is executed. In step (e), the chosen command is recovered. In step (f), whether all the commands of the NCQ are chosen is determined: if not all the commands are chosen, then another command is chosen and step (d) is repeated. | 03-12-2009 |
20090089502 | Rotating parity redundant array of independant disk and method for storing parity the same - A rotating parity redundant array of independent disk (RAID) and a method for storing parity of the same are provided. The rotating parity RAID comprises a first˜a third disk. The first disk has A | 04-02-2009 |
Ching-Hsiang Chang, Tainan County 711 TW
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20090028665 | HIGH SCREWING SCREW - The present invention pertains to a screw notably comprising a shank with a plurality of flat surfaces; wherein, a lip is defined by the junction of any of two adjacent flat surfaces, and a rib located between two threads is protruded from the lip. While in operation, by means of the configuration of the ribs, the screw facilitates to increase the cutting capability for achieving a higher screwing speed and preserve a good resistance of extraction. | 01-29-2009 |
Ching-Hsiang Chang, Hsinchu TW
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20140242367 | BARRIER FILM AND METHODS OF MAKING SAME - A barrier film for blocking moisture and oxygen transmission includes a single layer grown from a precursor of organic silicide by a chemical vapor deposition, having at least silicon (Si) atoms, oxygen (O) atoms and carbon (C) atoms with atomic ratios of C/Si in a range of about 0.1-0.5, and O/Si in a range of about 2.0-2.5. The Si and O atoms form four bonding structures: Si(—O)4, Si(—O)3, Si(—O)2, and Si(—O)1, in the single layer. In the total amount of the four bonding structures being 100%, the bonding structures of Si(—O)4, Si(—O)3, Si(—O)2, and Si(—O)1 are in ranges of about 50%-99.9%, 0.01%-50%, 0%-10%, and 0%-10%, respectively. | 08-28-2014 |
Ching-Hsiang Chang, Gueiren Township TW
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20080232925 | Screw with Waved Thread - The present invention is in particular to a plurality of thread portions formed in the second threaded section which forms a wave shape base directrix and spirally surrounds on the shank. Moreover, the upper flanks and the lower flanks extending from said thread portions of said second threaded section also spirally surround as a wave shape base directrix on said shank. Therefore, while in operation, by said thread portions and said upper and lower flanks interlaced and disposed in a waved shape, more portions will increase for cutting; therefore, the cutting efficiency will enhance, the cutting speed will increase, and the torque will reduce. Moreover, the present invention will not loosen or drop out after it is well screwed. | 09-25-2008 |
Ching-Hsiang Chang, Taipei County TW
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20080279674 | OPERATIVE METHOD OF A MANUFACTURING SYSTEM - An operative method of a manufacturing system for processing a substrate is provided. The manufacturing system includes at least a handling system, two deposition apparatus groups, an etching apparatus group, a photolithography apparatus group and two photoresist-striping apparatus groups. The handling system has a plurality of handling paths comprising at least two connected ring paths, which are connected in a common path. These deposition apparatus groups and the photoresist-striping apparatus groups are located on the two ring paths respectively. The etching apparatus group is located on the common path. The photolithography apparatus group is located on the two ring paths between the two deposition apparatus groups. The manufacturing system of the present invention thus combines the advantages of the group-type manufacturing system and the continuous-type manufacturing system. | 11-13-2008 |
Ching-Hsiang Chen, Taipei TW
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20100143768 | Composite catalyst for electrode and electrochemical cell using the same - A composite catalyst for an electrode is described, including platinum for dehydrogenation, an element E for water dissociation, and a material MO | 06-10-2010 |
20100307902 | KEY STRUCTURE WITH SCISSORS-TYPE CONNECTING MEMBER - A key structure includes a scissors-type connecting member. The scissors-type connecting member includes a first frame and a second frame. The first frame includes a first protrusion and a second protrusion. The second frame includes a first receiving recess for accommodating the first protrusion, a second receiving recess for accommodating the second protrusion, and a partition wall between the first receiving recess and the second receiving recess. When the first frame is swung with respect to the second frame, the first protrusion is sustained against a first side of the partition wall and moved on the first side of the partition wall, and the second protrusion is sustained against a second side of the partition wall and moved on the second side of the partition wall. Consequently, the first protrusion and the second protrusion are permitted to be partially detached from first receiving recess and the second receiving recess, respectively. | 12-09-2010 |
Ching-Hsiang Chen, Taichung City TW
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20110079114 | RATCHET DEVICE - A ratchet device has a ratchet body, a rotating rod and a switching device. The ratchet body has a top and a central hole axially defined through the ratchet body. The rotating rod is mounted in the central hole and has a top and at least one lump notch defined on the top of the rotating rod. The switching device has a cover, a pivoting block and a switch. The cover is mounted securely on the top of the ratchet body and has a top. The pivoting block is mounted through the cover and abuts the top of the rotating rod and has a bottom and an eccentric lump. The eccentric lump protrudes from the bottom of the pivoting block and is inserted into one of the at least one lump notch. The switch is pivotally mounted in the cover and has a through hole mounted around the pivoting block. | 04-07-2011 |
Ching-Hsiang Cheng, Chiayi City TW
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20140104893 | ISOLATED INTERLEAVED DC CONVERTER - An isolated interleaved DC converter has a main circuit architecture integrating a transformer, a dual-phase interleaved step-up circuit, a voltage type auto charge pump circuit with a double-voltage rectifier circuit. The circuit of the invention integrates with the transformer, and combines the dual-phase interleaved boost circuit and the voltage type auto charge pump circuit at a primary side of the transformer to reduce the input current ripple. At a secondary side of the transformer, the circuit of the invention further combines the double-voltage rectifier circuit. The active switching elements can be further integrated in the dual-phase interleaved boost circuit to realize the soft switching technology while reducing EMI and the switching loss and increasing the circuit conversion efficiency. | 04-17-2014 |
20140112026 | RESONANT DC CONVERTER - A resonant DC converter, combines a voltage type auto charge pump circuit with a full-bridge or half-bridge resonant DC conversion circuit at a primary side of a transformer, combines a double-voltage rectifier circuit at a secondary side of the transformer, and grants the circuit of the invention with characteristics of variable circuit architecture by means of the design of circuit parameters and the action of the LC resonant circuit. Integration of switching elements of the converter circuit and the use of characteristics of automatically changing the circuit architecture contribute to reduce the switching losses and increase the circuit conversion efficiency. Low output voltage ripple enables the circuit of the invention to avoid using large-capacitance electrolytic capacitors and be able to extend the service life of the transformer. The operation of the circuit of the invention at boost or buck mode can be controlled by adjusting the circuit parameters. | 04-24-2014 |
Ching-Hsiang Cheng, New Taipei City TW
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20140059858 | Heat-Dissipating Device and Method for Manufacturing the Same - The present invention provides a heat-dissipating device and a method for manufacturing the same. The heat-dissipating device includes a heat sink and a heat pipe. The heat sink has an end surface provided with a groove. The heat pipe is received in the groove. The heat pipe has a heat-absorbing surface and a heat-conducting surface. The heat-conducting surface is adhered to the inner edge of the groove. The heat-absorbing surface is in flush with the end surface. With this arrangement, heat resistance of the heat-dissipating device is reduced to improve the heat-dissipating effect thereof. | 03-06-2014 |
20140202666 | THERMAL MODULE - A thermal module for assembling with multiple heat sources includes at least one heat dissipation base seat, at least one first heat pipe and at least one first radiating fin assembly. The base seat has first insertion sections and a second insertion section in communication with each other. The heat sources are mated with the first insertion sections and the first heat pipe is mated with the second insertion section. Two ends of the first heat pipe respectively extend to the first insertion sections to attach to the heat sources. The first radiating fin assembly is attached to the first heat pipe. A second radiating fin assembly is further attached to the first heat pipe. The second radiating fin assembly extends to connect and assemble with the first radiating fin assembly. The thermal module can dissipate the heat of the multiple heat sources at the same time. | 07-24-2014 |
Ching-Hsiang Cheng, Sinjhuang City TW
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20110277966 | HEAT-DISSIPATING DEVICE - The present invention provides a heat-dissipating device including a heat sink and a heat pipe. The heat sink has an end surface provided with a trough. The trough has an open side and a closed side. The heat pipe has a heat-absorbing surface and a heat-conducting surface corresponding to the open side and the closed side respectively. The heat-conducting surface and the heat-absorbing surface are not brought into contact with the heat sink. The heat is directly absorbed by the heat pipe and then conducted to the heat sink for dissipation. With this arrangement, heat resistance of the heat-dissipating device is reduced to improve the heat-dissipating effect thereof. | 11-17-2011 |
20110277977 | HEAT-DISSIPATING DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a heat-dissipating device and a method for manufacturing the same. The heat-dissipating device includes a heat sink and a heat pipe. The heat sink has an end surface provided with a groove. The heat pipe is received in the groove. The heat pipe has a heat-absorbing surface and a heat-conducting surface. The heat-conducting surface is adhered to the inner edge of the groove. The heat-absorbing surface is in flush with the end surface. With this arrangement, heat resistance of the heat-dissipating device is reduced to improve the heat-dissipating effect thereof. | 11-17-2011 |
Ching-Hsiang Cheng, Hsinchu City TW
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20130170266 | TWO-STAGE ISOLATED DC/AC CONVERSION CIRCUIT STRUCTURE - A two-stage isolated DC/AC conversion circuit structure, consisting of a main switch, a second switch attached to a controller, another controller for controlling, and in work mode 1 and 2, after passing through the capacitor filter the low frequency half sine wave power is stored on this capacitor. After an inductor outputs the low frequency half sine wave power through this capacitor filter, it can respectively pass through the first and second transformers to increase the voltage, and then pass through the first and second secondary diode rectifiers, outputting the positive and negative half waves AC to the end user, and allow the end user to obtain the whole wave of the AC. Using the first and second diodes prevents outputting in reverse, and has the effect of isolation, and prevents all the stored energy for the later stage end user recharging to the front stage DC/AC conversion circuit. | 07-04-2013 |
Ching-Hsiang Chiang, Taipei City TW
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20140237064 | METHOD FOR CONTROLLING ELECTRONIC DEVICE AND ELECTRONIC APPARATUS USING THE SAME - A method for controlling an electronic device and an electronic apparatus are provided. A position of the electronic apparatus in a spatial area is obtained. A scene of the spatial area where the electronic apparatus is located is displayed in a display unit. A position of a controllable target apparatus included in the scene is obtained by using the position of the electronic apparatus and searching in a target apparatus distribution database of the spatial area, and a relative position of the controllable target apparatus and the electronic apparatus is obtained. According to the obtained position of the controllable target apparatus, an apparatus image layer corresponding to the controllable target apparatus is displayed at a corresponding position of the scene. When the apparatus image layer receives an enabling signal, a controlling command is transmitted to the controllable target apparatus corresponding to the apparatus image layer. | 08-21-2014 |
Ching-Hsiang Chuang, Sinshih Township TW
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20090091662 | CHANNEL SCANNING METHOD - A method for operating a demodulator to demodulate a first channel is provided. The demodulator stores parameters of a second channel that is scanned before the first channel. The method comprises the following steps. First, the demodulator is reset. Second, an orthogonal frequency division multiplexing acquisition is processed to search Transmission Parameter Signaling and mode/guard interval parameters for the first channel and using the parameters of the second channel to process a forward error correction acquisition for the first channel. Third, a determining step is performed to determine whether or not the forward error correction for the first channel is locked and the Transmission Parameter Signaling for the first channel are not locked. Finally, the parameters of the second channel is used to demodulate the first channel when the forward error correction of the first channel is locked and the Transmission Parameter Signaling of the first channel are not locked. | 04-09-2009 |
Ching-Hsiang Chuang, Hsinchu Hsien TW
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20110090994 | Decoding Method and Associated Apparatus - A decoding method for determining a preferred survivor path in a decoding process is provided. The method includes calculating a first determination value of a first survivor path at a first time point, the first determination value being determined by a first sub determination value and a second determination value at a second time point, and the second time point being prior to the first time point; calculating a third determination value of a second survivor path at the first time point, the third determination value being determined by a second sub determination value and a fourth determination value at the second time point; and when a difference between the first determination value and the third determination value is equal to or less than a predetermined value, determining the preferred survivor path at the first time point according to the second and the fourth determination values, or the first and the second sub determination values. | 04-21-2011 |
20110103522 | Soft Decision Method and Associated Signal Receiving System - A soft decision method for determining a soft decision coordinate associated with a constellation is provided. The soft decision coordinate includes a first soft decision sub-coordinate and a second soft decision sub-coordinate. The method includes receiving an input signal including a coordinate value; defining a first coordinate range on a coordinate axis in the constellation, the first coordinate range having a first limit and a second limit; obtaining the first soft decision sub-coordinate according to the first coordinate range; defining a second coordinate range on the coordinate axis in the constellation, the second coordinate range having a third limit and a fourth limit; and obtaining the second soft decision sub-coordinate according to the second coordinate range; wherein the first and the third limit do not simultaneously equal to the second and the fourth limit. | 05-05-2011 |
20110119008 | Target Signal Determination Method and Associated Apparatus - A method and associated apparatus using delay correlation for determining whether an input signal is a target signal is provided. The method includes sampling the input signal to generate 2N sample values, the sample values having a period N, where N is a positive integer; calculating the 2N sample values to obtain a first value according to a first operation method; calculating the 2N sample values to obtain a second value according to a second operation method; obtaining a determination value according to the first value and the second value; and determining whether the input signal is the target signal according to the determination value and a threshold. | 05-19-2011 |
20110134985 | Signal Processing System and Method Thereof - A signal processing system is provided. The system includes a calculating apparatus, for calculating a phase error of a received signal and generating a weight according to the phase error; a signal adjusting apparatus, coupled to the calculating apparatus, for generating a plurality of soft values according to the weight and the received signal; and a decoder, coupled to the signal adjusting apparatus, for decoding the soft values to generate data. | 06-09-2011 |
20110188611 | Signal Processing Circuit and Method Thereof - A signal processing circuit is provided. The signal processing circuit, adjusting a received radio frequency (RF) signal according to a gain, and generating a digital signal accordingly, the signal processing circuit including a signal analysis circuit, for analyzing the digital signal to generate the gain, determining whether the received RF signal is a target signal, and generating a reference value according to the digital signal, and a baseband circuit, for performing a carrier frequency offset (CFO) compensation to the digital signal according to the reference value, wherein, the reference value is generated while the signal analysis circuit is determining whether the received RF signal is the target signal. | 08-04-2011 |
Ching-Hsiang Ko, New Taipei TW
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20130127668 | MULTI-BAND ANTENNA - A multi-band antenna is disclosed and comprises a substrate and an electro-conductive layer. The electro-conductive layer comprises: a feed-in terminal; a ground terminal; a connecting portion extended forward from the feed-in terminal; a first high frequency portion extended leftward from the connecting portion for controlling a third frequency band; a low frequency portion bent and extended leftward from the connecting portion for controlling a first frequency band and a second frequency band; and a second high frequency portion extended rightward from the connecting portion for controlling a fourth frequency band. Furthermore, the second high frequency portion is connected with the ground terminal and wider than the first high frequency portion; and harmonic oscillations are generated between the second and first high frequency portions to control a fifth frequency band. Hence, the multi-band antenna of the present invention can meet the requirement of various communication standards. | 05-23-2013 |
20130135149 | BROADBAND PRINTED ANTENNA - The present invention discloses a broadband printed antenna used in a notebook for receiving and emitting electromagnetic wave signals. The broadband printed antenna includes a substrate and a conductive layer formed on a front face of the substrate. The conductive layer includes a feeding portion for transmitting electromagnetic wave signals, a radiation portion extending leftward along an end of the feeding porting, a short portion being bent and spiral and extending rightward along the end of the feeding portion, and a ground portion extending along the short portion. The present invention includes the short portion being bent and spiral at the right side of the feeding portion for compensating a band of the notebook so that the band can reach 2.3 GHz-2.7 GHz, thereby meets various requirements of communication standards. | 05-30-2013 |
20130135170 | PRINTED ANTENNA - A printed antenna is disclosed. The printed antenna includes a substrate and an electrically conductive layer formed on a top surface of the substrate. The electrically conductive layer comprises a first radiation part, a second radiation part, a first feed part, a second feed part, and a grounding part. The first radiation part is connected with the first feed part. The second radiation part is connected with the second feed part. The grounding part is connected with the first radiation part and the second radiation part. In the printed antenna of the present invention, the first feed part and the second feed part feed into two electromagnetic signals so as to implement a dual antenna function. Furthermore, the arrangement is reasonable, and the manufacturing cost is low. | 05-30-2013 |
Ching-Hsiang Lee, Taipei TW
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20090009584 | WIRELESS IMAGE SIGNAL TRANSMISSION DEVICE - A wireless image signal transmission device includes a wireless receiving and sending unit, an image-obtaining unit, and a control unit. The image-obtaining unit is used for obtaining an image signal. The control unit is electrically connected between the wireless receiving and sending unit and the image-obtaining unit. The control unit includes an image-processing unit, a plurality of first expanding interface units, and a core unit. The core unit is electrically connected with the image-processing unit and the first expanding interface unit so that the image-processing unit processes the image data received by the first expanding interface unit and converts the processed image data into a wireless network signal. Next, the wireless receiving and sending unit transmits the wireless network signal to the application system. Thereby, it is easy to integrate the system and can be applied to a variety of application fields. | 01-08-2009 |
20090010230 | AUTOMATIC WIRELESS NETWORK LINKING METHOD WITH SECURITY CONFIGURATION AND DEVICE THEREOF - An automatic wireless network linking method with a security configuration includes: providing an access point with a floating service set identifier and a shared key. The floating service set identifier has a prefix name. Next, a host system is provided to execute a setting and linking application to automatically scan the access point with the prefix name and obtain the floating service set identifier of the access point. Both the access point and the setting and linking application perform an operation process to generate a dynamic key. The dynamic key is converted into a wireless network encryption algorithm. Finally, the host system links to the access point to perform wireless communication, and uses the wireless network encryption algorithm to encrypt and decrypt data. Thereby, the time required for setting up the wireless network platform is reduced. | 01-08-2009 |
20090027348 | Interactive wireless control system - An interactive wireless control system includes a control module and an application system. The control module includes a microprocessor having an image processing unit and a plurality of connecting interfaces. The control module is applied to a remote control device having at least one image-obtaining unit so that the microprocessor uses the connecting interfaces to control the remote control device. The application system is wirelessly connected with the control module to perform wireless signal transmission. The application system receives a live image signal transmitted by the remote control device and displays the live image signal, and generates an operating control signal to the microprocessor to control the remote control device. Thereby, the functions of the interactive wireless control system can be increased. | 01-29-2009 |
20090077226 | METHOD AND SYSTEM OF AUTO-MONITORING NETWORK PORTS - A method of auto-monitoring network ports includes the steps of: receiving at least one path of an application program; detecting whether or not the application program represented by the received path needs at least one network port; notifying a router to open the relative network port required by the application program if the detecting result indicates that the application program needs the network port; and notifying the router to close the relative network port required by the application program if the detecting result indicates that the application program no longer needs the network port. Hence, the present invention can achieve the purpose of exempting users from a mandatory setup of network ports for the router according to different application programs. | 03-19-2009 |
20100131687 | WIRELESS REMOTE USB HUB APPARATUS AND SYSTEM THEREOF - A wireless remote USB hub apparatus includes a server end operation processor module as the data processing center, for converting and processing data; a server end wireless Wi-Fi communication module is coupled to the server end operation processor module, for transceiving data of Wi-Fi communication protocol format; and at least one USB port, for connecting electronic devices that supports USB, such as a USB drive or printer. When the electronic device connects to the USB port, the server end operation processor module receives a connection signal data from the USB port, converts the connection signal data format into Wi-Fi communication protocol format, and then transmits the connection signal data via the server end wireless Wi-Fi communication module to a personal computer or other client device. Thereby a user of the client device may remotely utilize the electronic device connected to the wireless remote USB hub apparatus. | 05-27-2010 |
20100138564 | VIRTUAL PORT NUMBER ASSIGNING METHOD AND A COMPUTER READABLE MEDIUM THAT STORES A VIRTUAL PORT NUMBER ASSIGNING PROGRAM - A virtual USB port numbers assigning method, applicable to a client device for generating a virtual port representing an actual port of a remote USB hub. The steps comprise: detecting an electrical device connecting to the actual port; requesting data regarding the actual port and the connected electronic device, such as the MAC address and actual port number of the remote USB hub, and the PID and VID of the electrical device; evaluating the data; and assigning virtual ports according to the evaluation result. By assigning fixed virtual port number to each electrical device, so as to prevent the operating system from repeatedly asking users to install the driver program of the electrical device. | 06-03-2010 |
Ching-Hsiang Lee, Xindian TW
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20110164598 | UNIVERSAL-SERIAL-BUS-COMPATIBLE APPARATUS - Provided is a USB-compatible apparatus. More particularly, the USB-compatible apparatus integrates a mobile communication module (such as 3G/3.5G/3.75G) and a WLAN module (such as WiFi) into a singular USB apparatus. Inside the body of the USB-compatible apparatus, a routing module is introduced to bridge the mobile communication module and the WLAN module so as to forward the transferred or received data packets therebetween. A plurality of terminal computers can connect to a network via this USB-compatible apparatus since the inside WLAN module provides multiple wireless ports for the terminal computers. The USB-compatible apparatus further has a power-management module for performing arrangement of electric power among the inside modules. The USB-compatible apparatus particularly uses a USB interface to take an external power. Preferably, the apparatus can take power directly from a computer system, or use alternating current or direct current via an adapter. | 07-07-2011 |
Ching-Hsiang Lin, Taipei City TW
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20150181154 | METHOD AND SYSTEM FOR PLAYING VIDEO - The present invention discloses a method for playing a video, which includes the following steps: a selected video is played on a first display unit through a video player. A corresponding script related to the selected video is received through a handheld electrical device. A currently playing time of the selected video is received through the handheld electrical device from the video player. Metadata, which is related to the corresponding script and has a plurality of time stamps, is played through a second display unit of the handheld electrical device according to the currently playing time. During a process that the selected video is played on the first display unit, the handheld electrical device is utilized to re-receive the currently playing time of the selected video from the video player at a preset time interval. | 06-25-2015 |
Ching-Hsiang Lin, Taipei County TW
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20090270183 | GAME PERFORMANCE SYSTEMS AND METHODS - Game performance systems and methods are provided. The game performance system includes a display unit, an image capture unit, and a processing unit. The display unit displays at least a board corresponding to a board game, wherein at least one game accessory is placed on the display unit. The image capture unit captures an image corresponding to the game accessory and the board displayed in the display unit. The processing unit receives the image, and performs a game decision corresponding to the board game according to the image. | 10-29-2009 |
Ching-Hsiang Tsai, Zhonghe TW
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20130314868 | SUPPORTING FRAME FOR HARD DISK DRIVE - A supporting frame is used to mount a hard disk drive to a storage rack. The storage rack forms two protrusions protruding inwards from opposite sides of the storage rack. The supporting frame includes a handle and two side brackets resiliently connected to the handle. The side brackets are fixedly attached to opposite sides of the hard disk drive. The handle defines two locking holes. The protrusions of the storage rack are respectively engaged in the locking holes. When the handle is moved away from the hard disk drive, the handle is deformed to disengage the protrusions of the storage rack from the locking holes of the handle. | 11-28-2013 |
Ching-Hsiang Wang, Taipei TW
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20080223866 | BAND-TYPE DISPENSER FOR WRAP FILM - A band-type dispenser for wrap film includes a base, an endless band device, and a cutter unit. The base has a chamber in its interior, and a positioning bracket is respectively fixed at two sides of the chamber for supporting a roll of wrap film. The endless band device is disposed in the base and has at least one endless band for moving the wrap film. The cutter unit is positioned in front of the endless band device for cutting wrap film. The dispenser is automatically operated, with a cut piece of the wrap film kept flat and smooth, so a user can use it with safety and convenience. | 09-18-2008 |
Ching-Hsiang Yang, Tauyuan City TW
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20090116160 | Arrangement and method for an integrated protection for a power system - For protecting a power system, two or three of over current, thermal and under voltage protection circuits are integrated as one protection circuit but operate independently, and one or more protection points thereof are adjusted dynamically in response to detected condition of the power system. Specifically, using voltage and current conditions in the power system to modify the over current protection and the thermal protection maximizes the performance of the power system and covers the process bias in the circuits. | 05-07-2009 |
20100117617 | Negative lock loop and control method for a flyback voltage converter - A flyback voltage converter includes a transformer having a primary winding and a secondary winding, a switch serially connected to the primary winding for being switched to produce a current in the secondary winding, and a negative lock loop to adjust the peak value of the current in the secondary winding according to a current conduction time during which the current in the secondary winding is higher than a current threshold, such that the peak value of the current in the secondary winding will be in inverse proportion to the time. | 05-13-2010 |