Patent application number | Description | Published |
20100141108 | LED ILLUMINATING DEVICE AND LIGHT ENGINE THEREOF - An LED illuminating device includes an optical section, an electrical section, and a heat dissipation section. The heat dissipation section is provided with a heat sink and at least one heat pipe therein. The heat sink includes a metal tube, a plurality of metal fins extending radially and outwardly from the metal tube, and a heat-absorbing plate attached to a bottom of the metal tube. A chamber is axially recessed from a top of the metal tube to the heat-absorbing plate. The heat pipe includes an evaporating section and a condensing section. The evaporating section of the heat pipe is attached to an inner surface of the heat-absorbing plate. The condensing section of the heat pipe is attached to an inner circumferential surface of the metal tube. The light source is attached to an outer surface of the heat-absorbing plate. | 06-10-2010 |
20100177514 | LED ILLUMINATING DEVICE AND LAMP UNIT THEREOF - An LED illuminating device includes a mounting module and a lamp unit mounted in the mounting module. The lamp unit includes a light-emitting module and a heat sink. The light-emitting module includes a light source having a plurality of LEDs, and a light penetrable cover located below the light source and defining a plurality of air venting holes therein. The heat sink includes an elongated base defining a plurality of air exchanging holes therein and a plurality of fins. The base has an outer convex surface and an opposite inner concave surface defining an elongated recess. The light source is received in the recess and thermally attached to the concave surface. Air flows into and out of a chamber defined between the base and the cover via the venting holes of the cover and the air exchanging holes of the base. | 07-15-2010 |
20100259934 | LED ILLUMINATION DEVICE - An LED illumination device includes a hollow lamp housing, an optical part having a light source, a circuit board and a heat dissipation part received in the hollow lamp. The optical part and the circuit board are located at front and rear ends of the lamp housing, respectively. The heat dissipation part is located between the optical part and the circuit board, and includes a cylindrical air guider, a heat sink and a cooling fan received in the air guider. The heat sink includes a base and a plurality of fins. The light source is arranged on a heat absorbing surface of the base. The air guider includes an annular ring and a plurality of spaced vanes extending axially from the annular ring. The lamp housing defines a plurality of first and second air holes through a circumferential surface thereof corresponding to the air guider. | 10-14-2010 |
20100264799 | LED LAMP - An LED lamp includes a hollow lamp housing, a front optical part, a rear electrical part provided with a circuit board, and a middle heat dissipation part. The heat dissipation part includes a heat sink, and a mounting seat located in front of and thermally connected to the heat sink. The lamp housing defines a plurality of air exchanging holes therein. The mounting seat is in the form of a polyhedron, and has a polyhedral rear end surface and a plurality of heat absorbing surface. The optical part includes a plurality of light sources respectively arranged on the heat absorbing surfaces, a light reflector located between the heat sink and the light sources, and an optical lens located in front of the light reflector. The heat absorbing surfaces extend forwardly from a peripheral edge of the rear end surface towards the optical lens and facing the optical lens. | 10-21-2010 |
20110068692 | LED LAMP - An LED lamp includes an optical part, a heat dissipation part and an electric part. The optical part includes main and auxiliary LED light sources thermally attached to the heat dissipation part. The electric part includes a rechargeable battery and a circuitry for converting an external AC power source into first and second DC power sources. The auxiliary LED light source is connected to the first DC power source for providing an auxiliary illumination when the external AC power source is normally supplied or to the rechargeable battery for providing an emergency illumination when the external AC power source is interrupted. The main LED light source is connected to the second DC power source for providing normal illumination when the external AC power source is supplied normally. Photoelectric switches are also provided for controlling the action of the auxiliary LED light source. | 03-24-2011 |
20110084554 | LED LAMP - An LED lamp includes an optical part, a heat dissipation member and an electric part. The optical part includes a hollow light penetrable tube and an LED module received in the tube. The heat dissipation member is received in the tube to mount the LED module thereon. The electric part include a circuit board and a rechargeable battery arranged in the tube, and two end covers arranged at two opposite ends of the tube. The LED module is provided with at least one first LED and at least one second LED. The at least one first LED and the at least one second LED cooperatively function as a main light source to provide normal illumination when an external AC power source is supplied normally. The at least one second LED independently function as an auxiliary light source to provide emergency illumination when the external AC power source is interrupted. | 04-14-2011 |
20110146120 | EMERGENCY EXIT INDICATOR INCORPORATING LED UNIT - An emergency exit indicator includes a flat housing and a light source received in the housing. The housing has a length greater than a width thereof. The housing includes a panel provided with a sign thereon to indicate emergency exit. The light source includes a plurality of LEDs each being covered by a lens. Light of the LED goes through the lens and is then illuminated on the sign to cause the sign to be visible. The lens has two opposite sides along a lengthwise direction of the housing longer than other two opposite sides along a widthwise direction of the housing, such that the light through the lens along the widthwise direction of the housing is converged in a narrower manner than the light through the lens along the lengthwise direction of the housing. | 06-23-2011 |
Patent application number | Description | Published |
20110060748 | Apparatus and Method for Heap Sorting with Collapsed Values and Selective Value Expansion - A computer readable storage medium includes executable instructions to order a binary tree using primary values and selected secondary values required to resolve a position in the binary tree. The remaining secondary values are in a do not care state. A new primary value is compared to the primary value at the root node of the binary tree. If necessary, a new secondary value is compared to the secondary value at the root node to determine whether the new primary value and the new secondary value or the value at the root node should be placed in a sorted list. | 03-10-2011 |
20120124270 | RELIEVING MEMORY PRESSURE IN A HOST USING DATABASE MEMORY MANAGEMENT - Memory of a database management system (DBMS) that is running in a virtual machine is managed using techniques that integrate DBMS memory management with virtual machine memory management. Because of the integration, the effectiveness of DBMS memory management is preserved even though the physical memory allocated to the virtual machine may change during runtime as a result of varying memory demands of other applications, e.g., instances of other virtual machines, running on the same host computer as the virtual machine. | 05-17-2012 |
20120124305 | METHOD AND SYSTEM FOR INTEGRATING DATABASE MEMORY MANAGEMENT IN VIRTUAL MACHINES - Memory of a database management system (DBMS) that is running in a virtual machine is managed using techniques that integrate DBMS memory management with virtual machine memory management. Because of the integration, the effectiveness of DBMS memory management is preserved even though the physical memory allocated to the virtual machine may change during runtime as a result of varying memory demands of other applications, e.g., instances of other virtual machines, running on the same host computer as the virtual machine. | 05-17-2012 |
20130290595 | DYNAMIC DATABASE MEMORY MANAGEMENT ACCORDING TO SWAP RATES - Memory of a database management system (DBMS) that is running in a virtual or physical machine is managed using techniques that that reduce the effect of memory swaps on the performance of the physical or virtual machine. One such technique includes the steps of determining a swap rate while the database application is in an executing state, and decreasing the size of memory space available to the database application if the swap rate is above a threshold. | 10-31-2013 |
20140201725 | TECHNIQUES FOR PERFORMING VIRTUAL MACHINE SOFTWARE UPGRADES USING VIRTUAL DISK SWAPPING - In one embodiment, a computer system creates a first template VM that includes a first OS VMDK and a first software binary VMDK, and clones the first template VM to create a linked clone VM. The linked clone VM executes a guest OS by accessing the first OS VMDK and a software application by accessing the first software binary VMDK. The computer system further creates a second template VM that includes a second software binary VMDK, where the second software binary VMDK includes one or more upgrades to the software application that are not included in the first software binary VMDK. The computer system then detaches the first software binary VMDK from the linked clone VM and attaches the second software binary VMDK to the linked clone VM. The linked clone VM thereafter executes the software application by accessing the second software binary VMDK. | 07-17-2014 |
20140310258 | Fault Tolerant Distributed Query Processing Using Query Operator Motion - Techniques for enabling fault tolerant distributed query processing are provided. In one embodiment, a first processing node in a plurality of processing nodes can execute an instance of a query operator, where the query operator is part of a query plan for a database query that is processed in a distributed manner by the plurality of processing nodes. The first processing node can further generate a snapshot of the instance of the query operator, where the snapshot includes state information usable for moving execution of the query operator from the first processing node to another processing node after a failure of the first processing node. The first processing node can then save the snapshot to a distributed data store. | 10-16-2014 |
20140310259 | Dynamic Load Balancing During Distributed Query Processing Using Query Operator Motion - Techniques for performing dynamic load balancing during distributed query processing are provided. In one embodiment, a first processing node in a plurality of processing nodes can execute an instance of a query operator, where the query operator is part of a query plan for a database query that is processed in a distributed manner by the plurality of processing nodes. The first processing node can further monitor its load level while the executing occurs. If the load level exceeds a threshold, the first processing node can split an amount of remaining work that is associated with the executing into a first portion and a second portion, determine state information for moving execution of the second portion from the first processing node to a second processing node, and save the state information to a distributed data store. | 10-16-2014 |
20140359610 | SYSTEMS AND METHODS FOR CUSTOMIZING AND PROGRAMMING A CLOUD-BASED MANAGEMENT SERVER - Systems and methods for managing Software-as-a-Service (SaaS) provided by a virtual machine are described. The system may include a management application, and may receive a feature package from the virtual machine. The feature package may be associated with a function supported by the virtual machine. The system may integrate the feature package into the management application, and transmit a first command to the virtual machine for executing the function at the virtual machine. The first command may be generated by the management application based on the feature package. | 12-04-2014 |
Patent application number | Description | Published |
20120287545 | METHOD AND SYSTEM FOR SHOOT-THROUGH PROTECTION - A switching apparatus includes a first transistor, a second transistor, a first circuit module, a first current sensor and a control circuit. The first transistor includes first, second and third terminals. The first terminal of the first transistor is coupled to a first power terminal. The third terminal of the first transistor includes a gate or base of the first transistor. The second transistor includes first, second and third terminals. The first terminal of the second transistor is coupled to a second power terminal. The second terminal of the second transistor is coupled to the second terminal of the first transistor. The third terminal of the second transistor includes a gate or base of the second transistor. The first circuit module includes an inductor in parallel with a diode. The first circuit module is connected between the first terminal of the second transistor and the second power terminal. | 11-15-2012 |
20130043854 | ADJUSTABLE RESONANT BUCK CONVERTER - A power converter includes first and second circuit modules, a first capacitor, a second diode and a control module. The first circuit module includes a switching element in parallel with a first diode. The second circuit module includes a first inductor and the first circuit module. The inductor is in series with the first circuit module. The first capacitor is in parallel with the second circuit module. The second diode includes a first terminal and a second terminal, where the first terminal is in series with the second circuit module and the first capacitor, and the second terminal is coupled to a second power terminal. The control module varies one or more of the first capacitor and the first inductor based on at least one of a current of a load circuit or an input voltage. A resonating waveform is generated by a resonant circuit of the second circuit and is used by the control module to turn off the switching element under zero-current and zero-voltage conditions. | 02-21-2013 |
20130257301 | COMPACT, CONFIGURABLE POWER SUPPLY FOR ENERGIZING OZONE-PRODUCING CELLS - Improvements in the supply of high-frequency electrical power to ozone-producing cells can be accomplished using the systems and techniques described herein. Application of a DC-DC converter operating at a switching frequency substantially greater than a load frequency, supports generation of a high-voltage AC for powering such cells, while allowing for reductions in component size and reductions in a quality factor of a load tuning circuit. Controllable power inverters used in obtaining one or more of the switching and load frequencies can be controlled using feedback techniques to provide stable, high-quality power to ozone-producing cells under variations in one or more of externally supplied power and load conditions. An inrush protection circuit can also be provided to selectively introduce a current-limiting resistance until an input DC bus has been sufficiently initialized as determined by measurements obtained from the DC bus. The current limiting resistance can be a positive-temperature coefficient thermistor. | 10-03-2013 |
Patent application number | Description | Published |
20130130921 | Kit, a Device and a Method for Detecting Copy Number of Fetal Chromosomes or Tumor Cell Chromosomes - The invention relates to a kit, a device and a method for detecting the copy number of fetal chromosomes and tumor cell chromosomes. The method for detecting the copy number of fetal chromosomes or tumor cell chromosomes of the invention includes the following steps: collecting maternal plasma or plasma of tumor patient; separating the plasma from blood cells in blood; preparing Deoxyribonucleic Acids (DNA) in the plasma into a sequencing library; sequencing the DNA sequencing library; comparing a sequencing result with a genomic sequence map to determine which chromosome the DNA sequence comes from and the length of each DNA sequence; and calculating the ratio of the DNA segments from the chromosomes to be detected to all DNA segments in the same sample by a sequencing and comparison result of DNA, correcting the ratio according to a GC content of the DNA segments from the chromosomes to be detected, and calculating the variation of the corrected ratio of the DNA segments from the chromosomes to be detected in a sample to be detected, and determining the copy number of the chromosomes to be detected according to degree of variation. | 05-23-2013 |
20140234850 | DNA FRAGMENT DETECTION METHOD, DNA FRAGMENT DETECTION KIT AND THE USE THEREOF - The disclosure claims a cleaved Deoxyribonucleic acid (DNA) detection method, a DNA fragment detection kit and use thereof. Wherein, the method includes the steps of: designing primers according to a test site or a test region of the DNA fragment; cyclizing the DNA fragment to obtain acyclized DNA; implementing Polymerase Chain Reaction (PCR) amplification for the cyclized DNA by using the primers; and detecting the PCR amplification product. In the disclosure, by cyclizing the DNA fragment, the amplification can be implemented even if only one PCR primer can match with a template, thus, the adaption range and effective template amount of the primer amplification can be greatly increased, and the detection sensitivity of the DNA fragment can be greatly improved. | 08-21-2014 |