Dong-Sheng
Dong Sheng Chen, Beijing CN
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20110196857 | Generating Materialized Query Table Candidates - Techniques for generating a set of one or more materialized query table (MQT) candidates for a workload are provided. The techniques include receiving a workload, wherein the workload comprises a set of one or more queries, generating one or more best matching MQTs (BMQTs) based on one or more query blocks of the one or more queries by removing syntax that is not qualified for a MQT re-write, determining one or more frequently used multi-joins in the workload, using the one or more BMQTs and the one or more frequently used multi-joins to generate a set of one or more workload MQTs (WMQTs), and grouping one or more WMQTs and one or more BMQTs into one or more groups to merge into a set of a smaller number of MQTs and to cover the workload. | 08-11-2011 |
20120173498 | Verifying Correctness of a Database System - The invention provides a method for verifying correctness of a database system, comprising: receiving SQL instruction; extending access paths of the received SQL instruction; executing the SQL instruction by using the extended access paths; and verifying correctness of the database system according to result of executing the SQL instruction. With the method and system of the invention, the object of verifying correctness of a database system by automatically extending access paths of SQL statement may be achieved, and the object of verifying correctness of a database system scientifically, effectively and purposefully based on ratio of error or defect present in database itself due to various data manipulation approaches (different values of access path elements) may also be achieved. | 07-05-2012 |
20130262498 | DATABASE QUERY OPTIMIZATION - Embodiments relate to a system, computer program product and method for database query optimization. An aspect includes a method that extracts complex predicates from a query statement, the query statement having at least two complex predicates. The method then executes a query associated with the query statement and obtains at least a respective execution structure cost (ΔT | 10-03-2013 |
Dong Sheng Chen US
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20120221512 | DYNAMIC DATABASE DUMP - Controlling a dump for a database by determining a state of a diagnosis flag associated with the structured query language (SQL) statement in response to a SQL statement being executed for the database. The diagnosis flag is used to indicate if a database dump should be performed. A database dump is performed for the SQL statement in response to determining that the diagnosis flag indicates that a dump is to be performed. | 08-30-2012 |
Dong Sheng Li, Guangdong CN
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20150235657 | MANUFACTURING METHODS OF WRITE PORTION AND THERMALLY ASSISTED MAGNETIC HEAD SLIDER - A manufacturing method of a write portion for a thermally assisted magnetic head slider includes providing a write portion including a write element, a waveguide, and a plasmon unit; lapping opposed-to-magnetic recording medium surfaces of the write element and the waveguide, and an near-field light generating surface of the plasmon unit; only forming a carbon layer on the opposed-to-magnetic recording medium surface of the write element. Corrosive elements in the write portion can be prevented from being corroded and the write element can be prevented from being worn and abraded not only, stable thermal ability for a plasmon unit can be maintained but also. | 08-20-2015 |
Dong-Sheng Li, Tamshui Chen TW
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20120154095 | SYMMETRIC PLANAR TRANSFORMER HAVING ADJUSTABLE LEAKAGE INDUCTANCE - A symmetric planar transformer having adjustable leakage inductance has a circuit board, two first bobbins mounted respectively on opposite side surfaces of the circuit board, two primary windings mounted respectively on the first bobbins, two secondary windings disposed respectively between the circuit board and the first bobbins, two second bobbins disposed respectively between adjacent first bobbins and primary windings, two pad sets disposed respectively between adjacent first bobbins and second bobbins, and a magnetic core assembly mounted through the circuit board, the first and second bobbins, the secondary and primary windings and the pad sets. Adjusting the numbers of the at least one pad of each pad set also adjusts distances between the primary and secondary windings to allow the secondary windings to have the same leakage. Thus, a balanced electric current is induced. | 06-21-2012 |
Dong-Sheng Li, Shenzhen City CN
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20120083223 | ELECTRONIC DEVICE FOR ACCESSING WIRELESS NETWORK AND METHOD FOR SAVING RESOURCES FOR THE DEVICE - An electronic device for accessing wireless network includes a radio frequency (RF) module, a power supply management unit, a CPU and a data transmission interface. The RF module receives electromagnetic wave signal from networks and transmits electromagnetic wave signals to the networks. The data transmission interface transmits the electromagnetic wave signals from the RF module to the CPU, and transmits data and commands between the RF module and the CPU. When the electronic device does not communicate with a remote server on the networks during a predetermined time period, the CPU suspends the data transmission interface. A related method of saving resource is also provided. | 04-05-2012 |
Dong-Sheng Lin, New Taipei TW
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20150174764 | UNLOADING MECHANISM - An unloading mechanism for removing workpieces from a transporting film can include a bottom plate, a picking assembly, and a storage assembly. The picking assembly can include a driving member coupled to the bottom plate, a pressing member coupled to the driving member, and a picking member coupled to the pressing member. The pressing member can define a receiving hole along an axis. The picking member can include a connecting rod coupled to the bottom plate, and a suction member coupled to the connecting rod. The suction member can be coupled to the second end and protruding out of the pressing member. The storage assembly can include a base plate configured to support the transporting film, and a pressing plate stacked on the base plate and the transporting film. | 06-25-2015 |
Dong-Sheng Lin, Tu-Cheng TW
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20100236058 | BONDING APPARATUS AND METHOD - A bonding apparatus includes a frame, a first feeding mechanism, a second feeding mechanism, and a bonding mechanism. The first feeding mechanism is mounted on the frame and includes a turntable capable of rotating relative to the frame. A plurality of workpiece seats are arranged on the turntable. Each workpiece seat defines a plurality of air holes. The second feeding mechanism is mounted on the frame and includes a first carrier and a second carrier. The first carrier includes a plurality of holding seats and the second carrier including a plurality of temporary holding seats. The first carrier is capable of rotating to stack on the second carrier. Each of the holding seats defines a plurality of air holes. The bonding mechanism is movably mounted on the frame to correspond to the workpiece seats or the second carrier. | 09-23-2010 |
20100243171 | VACUUM LAMINATOR - An vacuum laminator for laminating workpieces includes a grasping assembly, an alignment assembly, a pickup head, and a sealed body. The grasping assembly is configured for grasping one workpiece. The alignment assembly is connected to the grasping assembly for adjusting a position of the workpiece on the grasping assembly. The pickup head is configured for picking up another workpiece. The grasping assembly and pickup head are received in the sealed body opposite to each other. The grasping assembly includes two grasping members grasping and releasing the workpiece. | 09-30-2010 |
20100260583 | MEASUREMENT APPARATUS AND METHOD THEREOF - A measurement apparatus includes a support frame to support a feed mechanism, an orientation mechanism, a measurement mechanism, a transfer mechanism, and an unloading mechanism. The feed mechanism includes a first holding assembly, a first elevation assembly, a second elevation assembly, and a first clipping assembly. The first elevation assembly and the second elevation assembly are positioned under the holding assembly, and the first clipping assembly is positioned over the holding assembly. The measurement mechanism includes a support stage and at least one calibration head. The transfer mechanism includes at least one pickup head. The orientation mechanism includes a driving member and a securing assembly driven by the driving member. The unloading mechanism has the same structure as the feed mechanism. The disclosure further provides a measuring method using the measurement apparatus. | 10-14-2010 |
20110017405 | BONDING APPARATUS - A bonding apparatus for bonding a first substrate and a second substrate includes a base body, a first stripping device, a second stripping device, at least two vacuum bonding devices, and a loading mechanism. The first stripping device removes a film from the first substrate, and the second stripping device removes a film from the second substrate. The at least two vacuum bonding devices are arranged on the base body and aligned with each other. The loading mechanism includes a slide-rail on the base body and an adjustment assembly slidably connected to the slide-rail. The loading mechanism transfers a first substrate and a second substrate into one vacuum bonding device, and then, sliding on the slider, transfers another first substrate and another second substrate to another vacuum bonding device. | 01-27-2011 |
20110021105 | VACUUM DEVICE AND BONDING APPARATUS USING THE SAME - A vacuum device includes a main body and an adjustment assembly connected to the main body. The main body includes a frame, a loading member, and an elastic film. The loading member and the elastic film are arranged at opposite end surfaces of the frame. A chamber is cooperatively formed by the frame, the loading member, and the elastic film. The adjustment assembly adjusts the inner air pressure of the chamber. The loading member includes an absorption area connecting the chamber to outside the main body. The absorption area changes the air pressure inside the chamber. Also provided is a bonding apparatus using the vacuum device. | 01-27-2011 |
20110132746 | PRODUCTION LINE - A production line includes a number of production units, production equipments and a sliding bracket. The sliding bracket slides between the production units. Each production unit includes at least one base unit which is made in series. The at least one base unit has an enclosure. The sliding bracket and the production equipment are received in the enclosure. The production units are arranged in a configuration such as straight line, U-shaped or rectangular. | 06-09-2011 |
20110285068 | POSITIONING DEVICE - A positioning device includes a base, a supporting member, a fixing member, a first electromagnetic clutch, an engaging member, and at least one guide member. The base defines at least one hole. The supporting member is configured to support a workpiece. The supporting member and the fixing member are at the opposite sides of the base. The first electromagnetic clutch is disposed on a side of the base adjacent to the fixing member. The engaging member configured to be attracted by the first electromagnetic clutch is disposed on a side of the fixing member adjacent to the base and corresponds to the first electromagnetic clutch. An end of the at least one guide member is fixed to the fixing member, and an opposite end of the fixing member passes through the at least one hole and is fixed to the supporting member. | 11-24-2011 |
20120175041 | BONDING METHOD - A bonding method uses a bonding apparatus, which includes a frame, a first feeding mechanism, a second feeding mechanism, and a bonding mechanism. The first feeding mechanism is mounted on the frame and includes a turntable capable of rotating relative to the frame. A plurality of workpiece seats are arranged on the turntable. Each workpiece seat defines a plurality of air holes. The second feeding mechanism is mounted on the frame and includes a first carrier and a second carrier. The first carrier includes a plurality of holding seats and the second carrier including a plurality of temporary holding seats. The first carrier is capable of rotating to stack on the second carrier. The bonding mechanism is movably mounted on the frame to correspond to the workpiece seats or the second carrier. | 07-12-2012 |
Dong-Sheng Liu, Shenzhen City CN
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20130242178 | OPTICAL MODULE FOR IMAGE MEASURING APPARATUS - An optical module includes a first sleeve, a second sleeve, a connecting member and a beam splitter. The first sleeve defines a first hollow cavity and includes a first light source and a pattern plate. The second sleeve defines a second hollow cavity and a second light source. The connecting member is connected to the first sleeve and the second sleeve, and communicates with the first hollow cavity and the second hollow cavity. The beam splitter is positioned in the connecting member. Light from the first light source passes through the pattern plate, and the beam splitter, light from the second light source passes through the beam splitter, the beam splitter refracts the light from the first light source and the second light source to a tested workpiece. | 09-19-2013 |
Dong-Sheng Liu, Shenzhen CN
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20140257733 | COORDINATE MEASUREMENT DEVICE AND METHOD FOR CHECKING INSTALLATION POSITION OF EACH PROBE OF STAR PROBER - In a method for checking installation positions of probes of a star prober using a coordinate measurement device, the star prober is fixed vertically on a platform and supported by a movable arm, and a standard ball placed on the platform. The first probe measures a first point on a top surface of the standard ball, and the second probe measures a second point on the top surface of the standard ball. An X-Y coordinate system based on the first and second points is established, and a value of any deviation angle between the first probe and the second probe is calculated based on the X-Y coordinate system. The information is displayed for indicating whether the installations of the first and second probes are precise or not according to any deviation value, and the respective installations of the other individual probes are checked against the X-Y coordinate system. | 09-11-2014 |
Dong-Sheng Wu, Taipei City TW
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20110100466 | ORGANIC SOLAR CELL AND METHOD FOR FORMING THE SAME - The invention provides an organic solar cell, including: a substrate having a first electrode formed thereon; a hole transport layer overlying the first electrode; a metal layer having a first pattern in the hole transport layer; a photoactive layer, including: a first organic semiconductor film having a second pattern complementary to the first pattern and overlying the metal layer and the hole transport layer; a second organic semiconductor film having a first pattern substantially aligned to the first pattern of the metal layer and overlying the first organic semiconductor film, wherein the first organic semiconductor film and the second organic semiconductor film have opposite conductive types; a second electrode overlying the photoactive layer. The invention further provides a method for forming the organic solar cell. | 05-05-2011 |
Dong-Sheng Yang, Shenyang CN
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20090192953 | Load Fuzzy Modeling Device And Method For Power System - A load fuzzy modeling device for the power system based on the causality diagram, the composite cloud generator and the improved T-S fuzzy model, comprising: a hardware device, including: the sensors, a signal conditioning and filter module, an A/D conversion module, a causality conversion module, a DSP module, a memory module, a display and keyboard module connected with the DSP module, respectively and a communication module connected with the PC. The voltage and the current are respectively acquired from the system through a voltage transformer and a current transformer, and then are transmitted into the filter circuit for filtering, thus are amplified through a amplifier LM258P as the voltage within the range of −5V ˜+5V so as to input into the A/D conversion modules for sampling; the digital signal is simply processed by the causality conversion module according to certain analysis algorithm principle, and the processed signal is transmitted into the DSP to process, the final results thus displayed on the LCD screen and transmitted into the PC through the commutation module. | 07-30-2009 |