Patent application number | Description | Published |
20110048644 | PLASMA REACTOR WITH TILTABLE OVERHEAD RF INDUCTIVE SOURCE - Correction of skew in plasma etch rate distribution is performed by tilting the overhead RF source power applicator about a tilt axis whose angle is determined from skew in processing data. Complete freedom of movement is provided by incorporating exactly three axial motion servos supporting a floating plate from which the overhead RF source power applicator is suspended. | 03-03-2011 |
20110125727 | CONTENT ORIENTED INDEX AND SEARCH METHOD AND SYSTEM - This present invention describes an innovative solution in the area of indexing and searching binary files including various binary files such as multimedia files, including image files, mp3 files and other audio/video files from the public Internet. The invention introduces a way to index binary files such as multimedia files according to their content signatures, which uniquely identify themselves, and search for related files by walking through a graph database constructed during the index phase. The present invention can be used in a search engine and a download engine, as well as with text based index and search technologies. As a result, such extended usage will broaden a multimedia file's context and increase relevant accuracy of the keywords describing the context. | 05-26-2011 |
20110265549 | METHODS AND APPARATUS FOR CALIBRATING FLOW CONTROLLERS IN SUBSTRATE PROCESSING SYSTEMS - Methods and apparatus for calibrating a plurality of gas flows in a substrate processing system are provided herein. In some embodiments, a substrate processing system may include a cluster tool comprising a first process chamber and a second process chamber coupled to a central vacuum transfer chamber; a first flow controller to provide a process gas to the first process chamber; a second flow controller to provide the process gas to the second process chamber; a mass flow verifier to verify a flow rate from each of the first and second flow controllers; a first conduit to selectively couple the first flow controller to the mass flow verifier; and a second conduit to selectively couple the second flow controller to the mass flow verifier. | 11-03-2011 |
20110265814 | METHODS FOR PROCESSING SUBSTRATES IN PROCESS SYSTEMS HAVING SHARED RESOURCES - Methods for processing substrates in twin chamber processing systems having first and second process chambers and shared processing resources are provided herein. In some embodiments, a method may include flowing a process gas from a shared gas panel to a processing volume of the first process chamber and to a processing volume of the second process chamber; forming a first plasma in the first processing volume to process the first substrate and a second plasma to process the second substrate; monitoring the first processing volume and the second processing volume to determine if a process endpoint is reached in either volume; and either terminating the first and second plasma simultaneously when a first endpoint is reached; or terminating the first plasma when a first endpoint is reached in the first processing volume while continuing to provide the second plasma in the second processing volume until a second endpoint is reached. | 11-03-2011 |
20110265883 | METHODS AND APPARATUS FOR REDUCING FLOW SPLITTING ERRORS USING ORIFICE RATIO CONDUCTANCE CONTROL - Methods and apparatus for gas delivery to a process chamber are provided herein. In some embodiments, an apparatus for processing substrates may include a mass flow controller to provide a desired total fluid flow; a first flow control manifold comprising a first inlet, a first outlet, and a first plurality of orifices selectably coupled therebetween, wherein the first inlet is coupled to the mass flow controller; and a second flow control manifold comprising a second inlet, a second outlet, and a second plurality of orifices selectably coupled therebetween, wherein the second inlet is coupled to the mass flow controller; wherein a desired flow ratio between the first outlet and the second outlet is selectably obtainable when causing the fluid to flow through one or more of the first plurality of orifices of the first manifold and one or more of the second plurality of orifices of the second manifold. | 11-03-2011 |
20110265884 | TWIN CHAMBER PROCESSING SYSTEM WITH SHARED VACUUM PUMP - Methods and apparatus for twin chamber processing systems are disclosed, and, in some embodiments, may include a first process chamber having a first vacuum pump to maintain a first operating pressure in a first processing volume selectively isolatable by a first gate valve disposed between the first processing volume and the first vacuum pump; a second process chamber having a second vacuum pump for maintaining a second operating pressure in a second processing volume selectively isolatable by a second gate valve disposed between the second processing volume and the second vacuum pump; and a shared vacuum pump coupled to the first and second processing volumes to reduce a pressure in each processing volume below a critical pressure level, wherein the shared vacuum pump can be selectively isolated from any of the first or second process chambers or the first or second vacuum pumps. | 11-03-2011 |
20110265899 | SYSTEM AND METHOD FOR CALIBRATING PRESSURE GAUGES IN A SUBSTRATE PROCESSING SYSTEM - Systems and methods for calibrating pressure gauges in one or more process chambers coupled to a transfer chamber having a transfer volume is disclosed herein. The method includes providing a first pressure in the transfer volume and in a first inner volume of a first process chamber coupled to the transfer chamber, wherein the transfer volume and the first inner volume are fluidly coupled, injecting a calibration gas into the transfer volume to raise a pressure in the transfer volume and in the first inner volume to a second pressure, measuring the second pressure using each of a reference pressure gauge coupled to the transfer chamber and a first pressure gauge coupled to the first process chamber while the transfer volume and the first inner volume are fluidly coupled, and calibrating the first pressure gauge based on a difference in the measured second pressure between the reference pressure gauge and the first pressure gauge. | 11-03-2011 |
20110265951 | TWIN CHAMBER PROCESSING SYSTEM - Methods and apparatus for twin chamber processing systems are disclosed, and, in some embodiments, may include a first process chamber and a second process chamber having independent processing volumes and a plurality of shared resources between the first and second process chambers. In some embodiments, the shared resources include at least one of a shared vacuum pump, a shared gas panel, or a shared heat transfer source. | 11-03-2011 |
20110266256 | METHODS FOR PROCESSING SUBSTRATES IN PROCESS SYSTEMS HAVING SHARED RESOURCES - Methods for processing substrates in twin chamber processing systems having first and second process chambers and shared processing resources are provided herein. In some embodiments, a method may include providing a substrate to the first process chamber of the twin chamber processing system, wherein the first process chamber has a first processing volume that is independent from a second processing volume of the second process chamber; providing one or more processing resources from the shared processing resources to only the first processing volume of the first process chamber; and performing a process on the substrate in the first process chamber. | 11-03-2011 |
20110269314 | PROCESS CHAMBERS HAVING SHARED RESOURCES AND METHODS OF USE THEREOF - Process chambers having shared resources and methods of use are provided. In some embodiments, substrate processing systems may include a first process chamber having a first substrate support disposed within the first process chamber, wherein the first substrate support has a first heater and a first cooling plate to control a temperature of the first substrate support; a second process chamber having a second substrate support disposed within the second process chamber, wherein the second substrate support has a second heater and a second cooling plate to control a temperature of the second substrate support; and a shared heat transfer fluid source having an outlet to provide a heat transfer fluid to the first cooling plate and the second cooling plate and an inlet to receive the heat transfer fluid from the first cooling plate and the second cooling plate. | 11-03-2011 |
20120097266 | APPARATUS FOR CONTROLLING GAS DISTRIBUTION USING ORIFICE RATIO CONDUCTANCE CONTROL - Apparatus for controlling gas distribution are provided. In some embodiments, apparatus for controlling gas distribution may include a first flow path from an inlet to a first outlet; a plurality of first orifices disposed within the first flow path; a plurality of first valves that control gas flow through the plurality of first orifices to control a total gas flow at the first outlet; a second flow path from the inlet to a second outlet; a plurality of second orifices disposed along the second flow path; a plurality of second valves that control gas flow through respective ones of the plurality of second orifices to control a total gas flow at the second outlet; and a mounting block having the plurality of first valves and second valves coupled thereto, wherein at least a portion of the first flow path and the second flow path is disposed within the mounting block. | 04-26-2012 |
20130206594 | PLASMA REACTOR WITH TILTABLE OVERHEAD RF INDUCTIVE SOURCE - Correction of skew in plasma etch rate distribution is performed by tilting the overhead RF source power applicator about a tilt axis whose angle is determined from skew in processing data. Complete freedom of movement is provided by incorporating exactly three axial motion servos supporting a floating plate from which the overhead RF source power applicator is suspended. | 08-15-2013 |
Patent application number | Description | Published |
20090021568 | Reactive Dye and Process of Printing Same - A method of printing an ink that comprises reactive dyes as colorants. The ink has at least one cyclodextrin (CD) compound to react with reactive dye molecules, while a hydrophobic cavity is filled with a disperse dye component to create an encapsulation prior to the ink formulation stage. The ink also includes a crosslinking agent that is capable of creating a chemical bonding reaction between the unreacted portion of the hydroxyl functional groups of cyclodextrin (CD), an optional alkaline substance, and other optional ink additives. Permanently bonded color images are provided by the reaction between the chemically altered and colored cyclodextrin (CD) and the final substrate, which may be any cellulosic, protein, or polyamide fiber material, or mixtures with polyester, by the application of energy. | 01-22-2009 |
20100073408 | ENERGY ACTIVATED PRINTING PROCESS - Reactive inks and methods of generating an image on a substrate using both reactive and heat activated inks are presented. An image is printed on a substrate, without reacting the reagents in the ink. Subsequently, the reagents are reacted to fix the image to a substrate, with substantial permanency and fastness. Sublimation or similar heat activated dyes are printed are also printed on the substrate. The sublimation or similar heat activated dyes are activated, and have an affinity for polymer that is applied to the substrate. | 03-25-2010 |
20100091058 | HEAT ACTIVATED PRINTING PROCESS - Reactive inks and methods of generating an image on a substrate using both reactive and heat activated inks are presented. An image is printed on a substrate, without reacting the reagents in the ink. Subsequently, the reagents are reacted to fix the image to a substrate, with substantial permanency and fastness. Sublimation or similar heat activated dyes are printed are also printed on the substrate. The sublimation or similar heat activated dyes are activated, and have an affinity for polymer that is applied to the substrate. | 04-15-2010 |
20100129572 | IMAGE RECEIVER MEDIA AND PRINTING PROCESS - A transfer medium is provided for receiving images formed on the medium by inks or toners comprising thermally diffusible colorants, including disperse dye and sublimation dye, and methods of using the medium to present images on substrates. The medium provides an opaque layer that allows transfer of the image from the medium to a substrate, and provides a background for the image when the image is transferred to a dark colored substrate, so that the dark colored substrate does not obscure the image. | 05-27-2010 |
20110007118 | HIGH VISCOSITY HEAT SENSITIVE INK PRINTING PROCESS - A high viscosity aqueous inkjet ink that is useful in ink jet printers. The ink comprises heat activated colorant solids that are not heat activated during the printing process, and are printed onto a substrate in the form of an image that can be transferred onto a subsequent or final substrate by applying heat and intimate contact between the two substrates. The ink can also be heat activated onto the substrate without further transfer by applying heat at the temperature that is suitable for the activation of the colorant. | 01-13-2011 |
20110111188 | PROCESS FOR FORMING AN IMAGE ON A TRANSPARENT ACRYLIC ARTICLE - A method of imaging thermoplastics, such as acrylic glass, is presented. An image is formed on a transfer sheet or medium, and is heat transferred to the acrylic glass substrate on which the image is to permanently appear. An opaque pass-through coating is applied to one surface of the clear or transparent acrylic glass article. Heat activatable dye forms the image, and the heat activatable dye, when heat activated in close relationship to the opaque pass-through coating, passes through the opaque pass-through coating to the thermoplastic substrate. The image reflects light through the thermoplastic material and is visible through the material and from the side opposite the opaque coating. The opaque pass-through coating layer permanently bonds to the acrylic glass surface. | 05-12-2011 |
20120320136 | HIGH VISCOSITY HEAT SENSITIVE INK PRINTING PROCESS - A high viscosity aqueous inkjet ink that is useful in ink jet printers. The ink comprises heat activated colorant solids that are not heat activated during the printing process, and are printed onto a substrate in the form of an image that can be transferred onto a subsequent or final substrate by applying heat and intimate contact between the two substrates. The ink can also be heat activated onto the substrate without further transfer by applying heat at the temperature that is suitable for the activation of the colorant. | 12-20-2012 |
20140161996 | PROCESS FOR FORMING AN IMAGE ON A TRANSPARENT ACRYLIC ARTICLE - A method of imaging acrylic glass is presented. An image is formed on a transfer sheet or medium, and is heat transferred to the acrylic glass substrate on which the image is to permanently appear. An opaque pass-through coating is applied to one surface of the clear or transparent acrylic glass article. Heat activatable dye forms the image, and the heat activatable dye, when heat activated in close relationship to the opaque pass-through coating, passes through the opaque pass-through coating to the acrylic glass substrate. The image reflects light through the acrylic glass and is visible through the material and from the side opposite the opaque coating. The opaque pass-through coating layer permanently bonds to the acrylic glass surface. | 06-12-2014 |
20140168334 | HIGH VISCOSITY HEAT SENSITIVE INK PRINTING PROCESS - A high viscosity aqueous inkjet ink that is useful in ink jet printers. The ink comprises heat activated colorant solids that are not heat activated during the printing process, and are printed onto a substrate in the form of an image that can be transferred onto a subsequent or final substrate by applying heat and intimate contact between the two substrates. The ink can also be heat activated onto the substrate without further transfer by applying heat at the temperature that is suitable for the activation of the colorant. | 06-19-2014 |
Patent application number | Description | Published |
20090163217 | WIRELESS NETWORK CONTROL APPARATUS, COMMUNICATION SYSTEM AND COMMUNICATION METHOD - A wireless network control apparatus capable of transmitting an acknowledgement of receipt at an earlier timing, thereby suppressing any delay that would otherwise be caused by a retransmission. In this apparatus, a reading part ( | 06-25-2009 |
20090303941 | SCALABLE BANDWIDTH SYSTEM, RADIO BASE STATION APPARATUS AND RADIO TERMINAL APPARATUS - A scalable bandwidth system wherein even when various terminals having different bandwidth capabilities are existent in a cell, the unbalance of traffic in the maximum bandwidth can be reduced. Terminals ( | 12-10-2009 |
20100146355 | Retransmission Method, Communication System, and Transmission Device - Disclosed are a retransmission method and a communication system which can realize a preferable trade-off between the feedback information amount and the error ratio characteristic. In the communication system, an encoding unit ( | 06-10-2010 |
20100251062 | ENCODING METHOD AND TRANSMISSION DEVICE - Provided is an encoding method including: a step of extending a bidiagonal line of a basic matrix of m rows and n columns in the direction of a bidiagonal line according to an encoding ratio 1/k of the spread code (wherein k=3, 4, 5, . . . , k0) set in the LDPC code inspection matrix so as to constitute an extended matrix of the bidiagonal line structure; a step of moving a first non-zero element of the parity bit portion in the (i*m+1)-th row to the (n−m+1)-th column (wherein i=1, 2, . . . , k0−2) leftward along the row; a step of calculating the parity bit of the (n−m+1)-th column by using a first inspection relationship as a start factor; and a step of simultaneously calculating parity bits of a plurality of groups by the recursive encoding method by using the inspection relationship moved leftward to the (n−m+1)-th column. | 09-30-2010 |
20100290383 | RETRANSMISSION METHOD, BASE STATION, AND USER DEVICE IN MULTICAST SYSTEM - Disclosed are a retransmission method, a base station, and a user device in a multicast system. In order to reduce uplink signaling resource, a new MNI (Multiple NACK Indicator) message is added to an uplink common feedback channel in an existing E-MBMS system. The MNI message enables decision of an XOR retransmission group which satisfies the XOR retransmission condition. As compared to a conventional XOR retransmission, the number of uplink signalings does not depend on the number of receivers. That is, when a plenty of receptions are present, it is possible to significantly reduce uplink signalings. | 11-18-2010 |
20110289375 | METHOD FOR CONSTRUCTING AN LDPC CODE, TRANSMITTER, AND RECEIVER - Disclosed are: a method for constructing a low-density parity-check (LDPC) code for use in next-generation mobile communication and deep-space communication by using a cyclic distribution; a transmitter; a receiver; and a system. The method includes a block cycle determination step in which the distribution of a block cycle constructed from non-zero cyclic shift element values is determined for the basic matrix of the LDPC code, a priority determination step in which the priorities of the non-zero cyclic shift element values included in each block cycle are determined on the basis of the determined block cycle distribution, and a calculation step in which the greatest common divisor is determined for the permutation elements of all magnitudes in the check matrix of the LDPC code, and the divisor is factored. According to this method, short cycles will not be included in any actual check matrix of an LDPC code constructed by using all different permutation elements. | 11-24-2011 |
20120040701 | APPARATUS AND METHOD FOR REDUCING INTERFERENCES BETWEEN BASE STATIONS IN WIRELESS COMMUNICATION SYSTEM - A method for reducing interferences between base stations in a communication system having a plurality of base stations. This method comprises the steps of: causing a user station to receive both a signal transmitted by a local-cell base station and a signal transmitted by an adjacent-cell base station, thereby measuring the SNR of the interfered link and the SNR of the leak link of the adjacent-cell base station; calculating a weighting factor of a leak power based on the measured SNR of the interfered link and the measured SNR of the leak link of the adjacent-cell base station; and determining, based on the calculated weighting factor, whether or not the leak power has to be suppressed and to what degree such suppression has to be performed. | 02-16-2012 |
20120093124 | METHOD AND DEVICE FOR SETTING DEMODULATION REFERENCE SIGNALS IN WIRELESS COMMUNICATION SYSTEM - The present invention provides a method of arranging demodulation reference signals in a radio communication system that communicates according to a coordinated scheme. Demodulation reference signals and data are transmitted to a receiving terminal through time/frequency resources of the radio communication system using a resource block as a base unit. The method includes arranging at least two orthogonal DM-RSs in two edge OFDM symbols for resource blocks of respective cells, a frequency offset existing between cells at positions of the orthogonal DM-RSs in the edge OFDM symbols, performing puncturing at positions corresponding to the orthogonal DM-RSs of the other cells in the edge OFDM symbols of the respective cells, arranging superimposing DM-RSs in the two edge OFDM symbols in a resource block of one cell and arranging the superimposing DM-RSs at positions corresponding to the resource blocks of the other cells, wherein positions of the superimposing DM-RSs are set between the positions of the orthogonal DM-RSs in the respective edge OFDM symbols. | 04-19-2012 |
20120113842 | WIRELESS COMMUNICATION SYSTEM AND DOWNLINK RECEIVING POWER DETECTION METHOD THEREFOR - A wireless communication system and a method for detecting downlink receiving power in the system are disclosed. N cells in the system respectively transmit data to at least one receiving terminal via N resource blocks using the same time-frequency resources; multiple channel state information reference signals (CSI-RSs) of a corresponding cell are set in each resource block, and orthogonality is maintained among the CSI-RSs of all the cells, wherein N is an integer greater than 1. Said method includes: an additional demodulation reference signal (DM-RS) used for indicating a receiving power is set in a puncture position in the resource block of the first cell which corresponds to a CSI-RS set in a resource block of another cell; and the receiving power of said first cell is detected according to said additional DM-RS. By using said method, the receiving power of a single cell in N cells can be detected, and the system overhead is not increased. | 05-10-2012 |
20120115521 | METHOD AND SYSTEM FOR SETTING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method and a system of setting up a reference signal in a radio communication system. The radio communication system includes a serving cell and a neighboring cell, and a mobile terminal of the serving cell uses the same temporal frequency resource so as to receive a serving resource block from the serving cell and receive an interference resource block from the neighboring cell. The method according to the present disclosure includes a step of setting up a user-specific reference signal in the interference resource block and a step in which puncturing is performed at same temporal frequency position as the temporal frequency position at which the user-specific reference signal is set up on the interference resource block of the serving resource block so as to prevent any signal from being transmitted at the punctured temporal frequency position. When the method and the system provided in the present disclosure are used and the interference power between cells is thereby measured, it is possible to effectively reduce feedback overhead in a coordinated beamforming. | 05-10-2012 |
20120115539 | METHOD AND DEVICE FOR ADJUSTING TIMING ADVANCE IN UPLINK MULTIPLE POINTS RECEPTION - A method and device for adjusting a timing advance in a communication system composed of a mobile terminal and multiple base stations is provided. The method includes steps: the multiple base stations measures channel latencies and powers of channel responses between the mobile terminal and the multiple base stations separately; the non-serving base station in the multiple base stations reports the channel latency and the power measured to a serving base station; and the serving base station determines the timing advance of the uplink of the mobile terminal according to the channel latency and the power received and the channel latency and the power which are measured by the serving base station itself, and informs the mobile base station of the timing advance. By using the method and the device, the useful power received by the uplink multi-base stations can be optimized, and the interference power can be effectively reduced. | 05-10-2012 |
20120127952 | METHOD AND DEVICE FOR SUPERIMPOSING REFERENCE SIGNAL AND DATA BASED ON SPACE DIVISION MULTIPLE ACCESS - The present invention provides a method of superimposing data signals and reference signals in a space division multiple access communication system, a base station of the communication system transmitting the first layer resource block and another layer resource block to a terminal using the same time/frequency resources, reference signals in the first layer resource block and reference signals in the other layer resource block being orthogonal to each other, the method including superimposing data signals transmitted in the first layer resource block at positions of reference signals in the first layer resource block, making a spreading sequence of the superimposed data signals orthogonal to a spreading sequence of the reference signals in the first layer resource block. The present invention can effectively use resources consumed under a multiuser MIMO system and drastically improve the system performance. | 05-24-2012 |
20130010895 | WIRELESS COMMUNICATION SYSTEM, BASE STATION, TERMINAL AND METHOD OF GENERATING CODEBOOK - The present disclosure provides a method of generating codebook in a wireless communication system with multiple antenna arrays, as well as a wireless communication system, base station and terminal using the codebook for communication. The method comprises steps of: providing a basic codebook which cotains multiple pre-coding matrices; and assigning phase offsets to certain pre-coding matrices in the basic codebook to form a codebook with phase offset. The feedback overhead from a client to a base station side is reduced and a good precision of feedback for multi-antenna array is kept by applying the method of generating codebook and using the generated codebook in the wireless communication system, base station and terminal. | 01-10-2013 |
20130039162 | CODE DIVISION MULIPLEXING METHOD, TRANSMITTING DEVICE AND RECEIVING DEVICE USING THE METHOD - There are provided a code division multiplexing method as well as a transmitting device and a receiving device using the method. The method performs code division multiplexing of a plurality of signals by using a code matrix, the code matrix comprising a plurality of code words, the number of which is the same as the number of the plurality of signals, with each code word comprising a plurality of chips, the method comprising: multiplying each signal of the plurality of signals by each chip of a corresponding code word respectively; and calculating a sum of products of the respective chips in each code word and the corresponding signals to form a plurality of multiplexed signals, wherein, corresponding chips of the respective code words constitute multiple sets of chips, and only one term in differences or sums of any one set of chips and one set of chips among other sets of chips is not zero. The code division multiplexing method as well as the transmitting device and the receiving device according to the present disclosure can make the influence of the selectivity of channels when de-multiplexing is performed small, thus improving the channel transmission quality. | 02-14-2013 |
20130044580 | ORTHOGONAL CODES BASED CODE DIVISION MULTIPLEXING METHOD, MULTIPLEXING DEVICE, AND DE-MULTIPLEXING DEVICE - The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved. | 02-21-2013 |
20130064317 | METHOD AND DEVICE FOR FEEDING BACK PRE-CODING MATRIX INDEX OF DUAL-POLARIZED ANTENNA - There is provided a method and device for feeding back a pre-coding matrix index of a dual-polarized antenna which has a first antenna array and a second antenna array and is arranged at a base station to which the index of a first pre-coding matrix for the first antenna array, the index of a second pre-coding matrix for the second antenna array and the phase offset between the first pre-coding matrix and the second pre-coding matrix are fed back from a terminal, comprising: computing a distance between the first pre-coding matrix and the second pre-coding matrix; judging whether the distance is larger than a predetermined threshold or not; and assigning less bits to indicate the phase offset if the distance is larger than the predetermined threshold. The method and device according to the present disclosure can effectively advance the feedback accuracy of a system thus improving the bit error rate and throughput of the system. | 03-14-2013 |
20130085696 | METHOD AND SYSTEM FOR OBTAINING DEGRADATION OF BATTERY USING DEGRADATION MODEL AND PARAMETERS RELATED TO THE DEGRADATION - The present disclosure provides a method for obtaining degradation of a battery comprising the steps of collecting data of the battery and data related to the degradation of the battery; processing the collected data to obtain parameters related to the degradation of the battery; creating and updating a degradation model for the battery with the obtained parameters; and computing the degradation of the battery by using the degradation model and the parameters. | 04-04-2013 |
20130176948 | WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION TERMINAL AND BASE STATION - A wireless communication method, a terminal and a base station are provided. The method includes the step of transmitting a plurality of best companion pre-coding matrix indexs (BCIs) and corresponding delta channel quality indicators (ΔCQIs) from the terminal to the base station, wherein the period of frames for transmitting the plurality of BCIs is larger than the period of frames for transmitting a single BCI. The method, terminal and base station according to the present disclosure can greatly increase scheduling flexibility at base station side and improve MU-MIMO performance without increasing feedback overhead of channels. | 07-11-2013 |
20130223549 | METHOD, MOBILE TERMINAL, BASE STATION, AND SYSTEM FOR REPORTING BEST COMPANION PRECODING MATRIX INDEX IN COMMUNICATION SYSTEM WITH DOUBLE CODEBOOK - A method, mobile terminal, and system for reporting BCI are provided, the method comprises the steps of: obtaining a PMI W | 08-29-2013 |
20130238996 | CONTROLLING SOUND OF A WEB BROWSER - A method for controlling audio sessions associated with a web browser and an audio endpoint device is implemented at a computer having memory and one or more processors. The computer system provides a unified audio session channel between the web browser and the audio endpoint device, the unified audio session channel including information of an audio session manager for the audio endpoint device and a set of audio sessions that are active on the audio endpoint device. Upon receiving a user instruction for controlling audio outputs of the web browser, the computer system selects one or more audio sessions between the web browser and the audio endpoint device among the set of audio sessions that are active on the audio endpoint device. The computer system then updates the audio sessions between the web browser and the audio endpoint device according to the user instruction. | 09-12-2013 |
20130308488 | METHOD OF FEEDING BACK MU-CQI IN A COMMUNICATION SYSTEM, TRANSMISSION POINT DEVICE, AND USER EQUIPMENT - There are provided a method, user equipment, and transmission point device for feeding back channel quality indicator (MU-CQI) to the transmission point in a communication system including the transmission point and a plurality of user equipments, the method comprising steps: the transmission point sending a message to an intended user equipment of the plurality of user equipments; and the intended user equipment calculating the MU-CQI based on the message, and feeding back the MU-CQI to the transmission point. The present disclosure enables dynamic MU operation, and improves link adaptation performance with marginal downlink overhead. And the accuracy is not limited by codebook size. | 11-21-2013 |
20140024416 | METHOD AND APPARATUS FOR POWER MANAGEMENT ON MOBILE DEVICES AND ASSOCIATED MOBILE DEVICES - The present invention provides method and apparatus for power management of mobile devices and associated mobile devices. The method for power management of mobile devices includes acquiring a predefined battery power level variation Δn of the mobile device and its corresponding usage time t | 01-23-2014 |
20140036854 | WIRELESS COMMUNICATION METHOD OF CONFIGURING MEASUREMENT RESOURCE, AND WIRELESS COMMUNICATION DEVICE THEREFOR - There are provided a wireless communication method of configuring a measurement resource and a wireless communication device therefor. The method comprises determining a measurement resource to be disregarded when the number of measurement resources configured in one subframe exceeds the maximum number of measurement resources that a user equipment is able to measure in one subframe, wherein the measurement resource with lower priority is determined to be disregarded, and the measurement resource is not disregarded A times within the duration of N subframes, where A is an integer larger than 1, N corresponds to one plus B*periodicity of the measurement resource, and B is an integer equal to or larger than 1. | 02-06-2014 |
20140052395 | METHOD AND APPARATUS FOR ESTIMATING THE REMAINING TIME REQUIRED TO FULLY CHARGE A BATTERY, AND MOBILE DEVICE INCORPORATING THEREOF - A method, an apparatus and a mobile device estimate remaining time required to fully charge a battery. The method may include (a) determining from one or more of the mobile device's charging records the time required for charging the battery of the mobile device by one unit of charge (“unit charging time”); and (b) based on the time so determined, calculating the remaining time required for fully charging the mobile device's battery. In this manner, an accurate estimate of the remaining charging time is achieved. In one instance, the charging record includes the initial charge (A) in the battery, expressed as a percentage of the full capacity, the final charge (B) in the battery at the end of the charging, also expressed as a percentage of full capacity, and the total charging time required (T). Each unit of charge may be, for example, 1% of the full charge of the battery. | 02-20-2014 |
20140064234 | METHOD FOR DETERMINING CHANNEL QUALITY INDICATOR, BASE STATION AND USER EQUIPMENT THEREFOR - A method for determining Channel Quality Indicators to be reported by User Equipments in base station cooperation, and a base station and a User Equipment therefore are provided. The method comprising: assigning a sequence of adjustment factors to various possible base station cooperations; transmitting the assigned adjustment factors to UEs; calculating an original CQI for each possible base station cooperation in each UE; adjusting the original CQIs based on the received adjustment factors in UEs; and reporting one or multiple original CQI(s) that are the highest after the aforesaid adjustment and knowledge of which CQI(s) are reported to the base station by each UE. | 03-06-2014 |
20140071936 | METHOD OF SCRAMBLING SIGNALS, TRANSMISSION POINT DEVICE AND USER EQUIPMENT USING THE METHOD - Method of scrambling signals, transmission point device and user equipment using the method are provided. The method is for scrambling signals assigned on predetermined radio resources of at least one layer of resource blocks with the same time and frequency resources, and comprises the steps of: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, the blind detection for the UE is enabled and the signaling overhead is reduced. | 03-13-2014 |
20140119362 | METHOD OF REPORTING PHASE OFFSETS, USER EQUIPMENT AND TRANSMISSION POINT DEVICE USING THE METHOD - A transmission point device, user equipment, and method of reporting phase offsets between signals received from a serving cell and neighbor cells in a communication system are disclosed. The method comprises steps of: quantizing the phase offsets using a predetermined number of bits; utilizing another bit to indicate constellation of the phase offsets; reporting the quantized phase offsets and the constellation to transmission point. The present disclosure may improve the signal combining gain from multiple transmission points with minimum overhead increasing. | 05-01-2014 |
20140126383 | METHOD OF CSI REPORTING, USER EQUIPMENT AND ENODE B - Provided is reporting one or more long term CSI components to an eNode B, wherein at least one long term CSI component being reported with multiple values; and reporting a transmission scheme assumption indicator (TSAI) together with a set of short term CSI components to the eNode B, wherein the TSAI indicating the eNode B of a value of the multiple values of the at least one long term CSI component to be currently used and of the set of short term CSI components being conditioned on the value indicated by the TSAI, wherein the short term CSI components being reported more frequently. | 05-08-2014 |
20140307823 | BASE STATION APPARATUS AND TRANSMISSION METHOD - The present disclosure provides a method of generating codebook in a wireless communication system with multiple antenna arrays, as well as a wireless communication system, base station and terminal using the codebook for communication. The method comprises steps of: providing a basic codebook which contains multiple pre-coding matrices; and assigning phase offsets to certain pre-coding matrices in the basic codebook to form a codebook with phase offset. The feedback overhead from a client to a base station side is reduced and a good precision of feedback for multi-antenna array is kept by applying the method of generating codebook and using the generated codebook in the wireless communication system, base station and terminal. | 10-16-2014 |
20140334328 | METHOD AND BASE STATION FOR MAPPING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A method and a system of setting up a reference signal in a radio communication system are disclosed. The radio communication system includes a serving cell and a neighboring cell, and a mobile terminal of the serving cell uses the same temporal frequency resource to receive a serving resource block from the serving cell and an interference resource block from the neighboring cell. The method includes setting up a user-specific reference signal in the interference resource block and puncturing at the same temporal frequency position as the temporal frequency position at which the user-specific reference signal is set up on the interference resource block of the serving resource block to prevent any signal from being transmitted at the punctured temporal frequency position. When the method and the system are used and the interference power between cells is measured, it is possible to effectively reduce feedback overhead in a coordinated beamforming. | 11-13-2014 |
20140347971 | COMMUNICATION METHOD AND COMMUNICATION APPARATUS - The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved. | 11-27-2014 |
20140355408 | METHOD OF SCRAMBLING REFERENCE SIGNALS, DEVICE AND USER EQUIPMENT USING THE METHOD - A Method of scrambling reference signals, device and user equipment using the method are provided. In the method, a plurality of layers of reference signals assigned on predetermined radio resource of a plurality of layers of resource blocks with the same time and frequency resources are scrambled, the method comprising: an orthogonalizing step of multiplying each layer of reference signal selectively by one of a plurality of orthogonal cover codes (OCCs) with the same length wherein the OCC multiplied to a first layer of reference signal can be configured as different from those multiplied to other layers of reference signals; and a scrambling step of multiplying all of symbols obtained from the OCC multiplied to each of the other layers of reference signals by a symbol-common scrambling sequence wherein the symbol-common scrambling sequences can be different from each other for reference signals multiplied by the same OCC. | 12-04-2014 |
20140372919 | METHOD, APPARATUS AND MOBILE TERMINAL FOR EDITING AN IMAGE - A method and an apparatus facilitate a user to edit a layout of images, thereby enhancing user experience. The method (a) provides an interface for editing an image, in which an image to be edited is displayed; (b) displays at least one layout template icon corresponding to at least one layout template in the interface, wherein the layout template icon is displayed separated from the image to be edited without overlapping; (c) receives an instruction that a user selects a layout template through a layout template icon; and (d) changes the layout of the image to be edited according to the selected layout template. The present invention can be used in image processing applications. | 12-18-2014 |
20140372945 | METHOD FOR OUTPUTTING IMAGES, APPARATUS AND MOBILE TERMINAL THEREFOR - In a mobile terminal, a failsafe method for image output includes (a) determining the resolution that the mobile terminal can support; and (b) outputting the image according to the resolution determined. | 12-18-2014 |
20150077127 | METHOD FOR DETERMINING REMAINING SERVICE TIME OF BATTERY, CLIENT DEVICE AND MOBILE TERMINAL - A method for determining remaining battery service time of a mobile terminal includes determining a plurality of battery usage times, wherein each battery usage time corresponds to a respective predefined battery power level interval. Upon receipt of a request to determine the remaining battery service time, the mobile terminal determines a current battery power level of the mobile terminal and compares the current battery power level with at least one of the plurality of battery usage times and their associated predefined battery power level intervals to determine the remaining battery service time. The remaining battery service time is then displayed on the mobile terminal. | 03-19-2015 |
20150134913 | METHOD AND APPARATUS FOR CLEANING FILES IN A MOBILE TERMINAL AND ASSOCIATED MOBILE TERMINAL - A method for cleaning files stored in a mobile terminal is disclosed. The mobile terminal receives a file cleaning instruction from a user. In response to the file cleaning instruction, the mobile terminal identifies cache files based on the cache files' associated information and past user activities on the cache files and groups the identified cache files and their associated information into multiple cache file categories. At least one of the multiple cache file categories is located in an extended storage device of the mobile terminal (e.g., a SD card). Next, the mobile terminal displays information of the multiple cache file categories on the display, each cache file category having an associated file cleaning option and cleans at least one of the multiple cache file categories from the mobile terminal in accordance with a user choice of the corresponding file cleaning option. | 05-14-2015 |
20150155923 | BASE STATION APPARATUS AND TRANSMISSION METHOD - The present disclosure provides a method of generating codebook in a wireless communication system with multiple antenna arrays, as well as a wireless communication system, base station and terminal using the codebook for communication. The method comprises steps of: providing a basic codebook which contains multiple pre-coding matrices; and assigning phase offsets to certain pre-coding matrices in the basic codebook to form a codebook with phase offset. The feedback overhead from a client to a base station side is reduced and a good precision of feedback for multi-antenna array is kept by applying the method of generating codebook and using the generated codebook in the wireless communication system, base station and terminal. | 06-04-2015 |
20150163773 | COMMUNICATION METHOD, BASE STATION AND USER EQUIPMENT - The present disclosure provides a communication method, base station and user equipment for configuring a parameter table in a wireless communication system including a base station and a user equipment, the communication method comprising: defining at both the base station and the user equipment a parameter table which includes whole entries of a legacy parameter table and extended entries; and transmitting from the base station to the user equipment a bitmap indication which indicates a sub-table selected from the parameter table, wherein the number of the entries in the sub-table is the same as in the legacy parameter table. | 06-11-2015 |
20150189594 | Method And System For Managing Power Usage Of A Mobile Terminal - A method for managing power usage is perform at a mobile terminal having one or more processors and memory storing programs executed by the one or more processors. The mobile terminal collects its operating environment information while the mobile terminal is in a first operating mode. The mobile terminal compares the collected operating environment information with a plurality of power usage switch conditions, each power usage switch condition having an associated operating mode, to determine whether the collected operating environment information matches one of the plurality of power usage switch conditions. When this happens, the mobile terminal determines its current working status and switches from the first operating mode to the second operating mode when there is no conflict between the mobile terminal's current working status and the second operating mode associated with the matched power usage switch condition. | 07-02-2015 |
20150229379 | METHOD AND TERMINAL APPARATUS FOR RECEIVING REFERENCE SIGNAL - A wireless communication system and a method for detecting downlink receiving power in the system are disclosed. N cells in the system respectively transmit data to at least one receiving terminal via N resource blocks using the same time-frequency resources; multiple channel state information reference signals (CSI-RSs) of a corresponding cell are set in each resource block, and orthogonality is maintained among the CSI-RSs of all the cells, wherein N is an integer greater than 1. Said method includes: an additional demodulation reference signal (DM-RS) used for indicating a receiving power is set in a puncture position in the resource block of the first cell which corresponds to a CSI-RS set in a resource block of another cell; and the receiving power of said first cell is detected according to said additional DM-RS. By using said method, the receiving power of a single cell in N cells can be detected, and the system overhead is not increased. | 08-13-2015 |
20150309885 | METHOD AND DEVICE FOR PROCESSING DATA AND ELECTRONIC APPARATUS - A method and a device for processing data and an electronic apparatus are provided. The method comprises: obtaining recovery data and modification data when original data is modified, wherein the modification data is data obtained after modifying the original data, and the recovery data is data configured to recover at least a part of the modification data to data in the original data; executing one of the recovery data and the modification data; and executing the other one of the recovery data and the modification data when failing to executing one of the recovery data and the modification data. With the present disclosure, the problem that recovering the system or the system files causes the system unable to work normally is solved, and a stability of the system is enhanced. The present disclosure can be used in the solution for computer viruses. | 10-29-2015 |
20150334533 | Method And System For Exchanging Information Updates Between Mobile Devices - A first mobile device receives a request to send information updates from the first mobile device to the second mobile device, the request specifying a predefined geographical region. In response to the request, the first mobile device checks its current location and determines whether the current location is within the predefined geographical region. After determining that the current location of the first mobile device is within the predefined geographical region, the first mobile device sends a first information update to the second mobile device. Subsequently, the first mobile device sends a second information update to the second mobile device after determining that the current location of the first mobile device is outside the predefined geographical region. | 11-19-2015 |
20150341147 | COMMUNICATION METHOD AND COMMUNICATION APPARATUS - The present disclosure provides an orthogonal codes based code division multiplexing method of performing the code division multiplexing of demodulation reference signals in multiple layers of resource blocks by using orthogonal matrices, the method comprising: changing the order of chips in particular rows of a first orthogonal matrix to obtain a second orthogonal matrix with the changed order of chips; and multiplying the chips in respective rows of the second orthogonal matrix by the demodulation reference signals in corresponding layers of resource blocks correspondingly in the time direction to obtain code division multiplexing signals. The technical scheme of the present disclosure can improve the power jitter situation of downlink signals on the time, thereby the usage efficiency of the power amplifier at the base station side can be improved. | 11-26-2015 |
Patent application number | Description | Published |
20100173948 | ANIMAL PEST CONTROL METHOD - Disclosed is a method for protecting an animal from a parasitic invertebrate pest comprising treating an animal orally or by injection with a pesticidally effective amount of a compound of Formula 1, | 07-08-2010 |
20100179195 | ISOXAZOLINE INSECTICIDES - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 07-15-2010 |
20100234219 | Isoxazolines for Controlling Invertebrate Pests - Disclosed are compounds of Formula (1), including all geometric and stereoisomers, N-oxides, and salts thereof, Formula (1): wherein A | 09-16-2010 |
20100254959 | NAPHTHALENE ISOXAZOLINE INVERTEBRATE PEST CONTROL AGENTS - Disclosed are compounds of Formula 1, | 10-07-2010 |
20100254960 | NAPHTHALENE ISOXAZOLINE COMPOUNDS FOR CONTROL OF INVERTEBRATE PESTS - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 10-07-2010 |
20110263641 | Isoxazolines For Controlling Invertebrate Pests - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 10-27-2011 |
20120277100 | MESOIONIC PESTICIDES - Disclosed are compounds of Formula 1, N-oxides, and salts thereof, | 11-01-2012 |
20130029845 | ISOXAZOLINES FOR CONTROLLING INVERTEBRATE PESTS - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 01-31-2013 |
20130217736 | Naphthalene Isoxazoline Invertebrate Pest Control Agents - Disclosed are compounds of Formula 1, | 08-22-2013 |
20140038821 | ISOXAZOLINES FOR CONTROLLING INVERTEBRATE PESTS - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 02-06-2014 |
20140113943 | Naphthalene Isoxazoline Invertebrate Pest Control Agents - Disclosed are compounds of Formula 1, | 04-24-2014 |
20140127165 | ISOXAZOLINE INSECTICIDES - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 05-08-2014 |
20140206536 | MESOIONIC PESTICIDES - Disclosed are compounds of Formula 1, N-oxides, and salts thereof, | 07-24-2014 |
20140249314 | ISOXAZOLINES FOR CONTROLLING INVERTEBRATE PESTS - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 09-04-2014 |
20150098928 | ISOXAZOLINE INSECTICIDES - Disclosed are compounds of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof, | 04-09-2015 |
20150272938 | ANIMAL PEST CONTROL METHOD - Disclosed is a method for protecting an animal from a parasitic invertebrate pest comprising treating an animal orally or by injection with a pesticidally effective amount of a compound of Formula 1, | 10-01-2015 |
Patent application number | Description | Published |
20080199037 | Automatic tilt speaker - An automatic tilt speaker has a first subassembly of a speaker unit enclosing an ordinary speaker element. The speaker unit includes a cone-shaped housing having an inner cavity for holding the speaker with its frame or basket fitted snugly in an annular frame. The housing of the speaker unit is pivotally connected to the frame by a pivot arm. The speaker housing has an arcuate exterior wall extending in a radius centered about the pivot connection of the frame. Centrally of the arcuate wall, there is a gear arch, which comprises a vertical column of horizontally elongated teeth extending substantially coplanar with the arcuate wall. On the annular frame at the diametrically opposite side of the pivot connection a tilting system is operatively connected with the teeth. The tilting system includes a motor with a reduction gearbox for driving a worm gear, which in turn drives the gear arch. The annular frame also supports a relay-based motor control board for controlling the polarity and power to the motor. Combined with the power control is a position sensing system including three slight ramp surfaces on the arcuate wall of the speaker unit which translates into three segmented tilting angles to be remotely selected to the user's listening preference. | 08-21-2008 |
20110157929 | METHOD AND APPARATUS FOR ELECTRIC ISOLATION TRANSMISSION - A method and apparatus used for electric isolation transmission are provided. The method includes: providing an isolation transmission circuit having at least one capacitor; and implementing electric isolation between the primary side and secondary side, and suppressing leakage currents generated between the primary side and secondary side and transmitting power. The apparatus includes the isolation transmission circuit that is manufactured by capacitor(s). The apparatus can be applied to light-weight power sources providing AC/DC outputs with high efficiency, adapters, or related products. In addition, the apparatus has a reduced size and higher power transmission efficiency. | 06-30-2011 |
20120013261 | LIGHT EMITTING DIODE BACKLIGHT DRIVING CIRCUIT - An LED backlight driving circuit including a boost circuit and a transformer current balance circuit is provided. The boost circuit provides a total current for n LED strings, and the transformer current balance circuit is coupled to the LED strings and includes n−1 transformers. A first LED current-balance-circuit (CBC) includes a switching-transistor connected to a secondary-winding of a first-transformer, and an n | 01-19-2012 |
20120014144 | POWER SUPPLYING APPARATUS - A power supplying apparatus includes a rectifier and a first electromagnetic interference (EMI) filter. The rectifier receives and rectifies an alternating current (AC) input power for generating a direct current (DC) power. The first EMI filter receives the DC power through a first power input terminal and a first reference input terminal thereof. The first EMI filter filters the DC power for generating a DC output power between a first power output terminal and a first reference output terminal thereof. The first EMI filter includes an inductor module, a first X capacitor, and a first Y capacitor. | 01-19-2012 |
20120039092 | CURRENT-INPUT-TYPE PARALLEL RESONANT DC/DC CONVERTER AND METHOD THEREOF - A current-input-type parallel resonant DC/DC converter and a method thereof are provided. The converter includes an inverter-circuit for inverting/converting an input DC current into a positive-and-negative alternating square-wave-current, a resonant-network for converting the square-wave-current into a sine-voltage, a transformer for realizing the isolation of the power transmission, a full-wave rectifier-circuit for rectifying the sine-voltage, and an output-filter-circuit for producing a DC output-voltage. The inverter-circuit is connected to both terminals of a primary-winding of the transformer through the resonant-network connected in series with the inverter-circuit, a common-polarity terminal of a first-winding at a secondary side of the transformer and an opposite-polarity terminal of a second-winding at the secondary side of the transformer are respectively connected to an input of the full-wave rectifier-circuit, and an output of the full-wave rectifier-circuit and a center-trap terminal at the secondary side of the transformer are respectively connected to an input of the output-filter-circuit. | 02-16-2012 |
20120039103 | SINGLE-STAGE AC/DC CONVERTER - A single-stage AC/DC converter is provided, and which includes a power-frequency follow-current circuit, an isolated transmission circuit (ITC), a high-frequency chopper modulation circuit (HFCMC), a power-frequency and high-frequency AC rectifying-circuit and a filter-circuit. The input of the ITC is connected to the output of an external power-frequency power source, the current-modulating side of the ITC is connected to the input of the HFCMC, the output of the ITC is connected to the input of the power-frequency and high-frequency AC rectifying-circuit, the output of the HFCMC is connected to the input of the external power-frequency power source through the power-frequency follow-current connected in series with the HFCMC , and the output of the power-frequency and high-frequency AC rectifying circuit is connected to a load through the filter circuit connected in series with the power-frequency and high-frequency AC rectifying-circuit. The invention simplifies the rectifier part with higher transformation efficiency. | 02-16-2012 |
20120159202 | POWER SUPPLY APPARATUS SUITABLE FOR COMPUTER - A power supply apparatus suitable for a computer is provided. The provided power supply apparatus includes an isolated DC-DC converter, an auxiliary power conversion circuit and a switching circuit. The isolated DC-DC converter receives and converts an input voltage, so as to generate a first main power. The auxiliary power conversion circuit receives and converts the input voltage, so as to generate an auxiliary power. The switching circuit receives the first main power and the auxiliary power, wherein the switching circuit outputs the received auxiliary power to be served as a standby power of the power supply apparatus when the power supply apparatus is in a standby state; moreover, the switching circuit outputs the received first main power to be served as the standby power of the power supply apparatus when the power supply apparatus is in an operation state. | 06-21-2012 |
20120242299 | THREE-PHASE BOOST-BUCK POWER FACTOR CORRECTION CONVERTER - A three-phase boost-buck PFC converter including three independent single-phase boost-buck PFC circuits respectively is provided, which are capable of performing PFC on each phase of the three-phase power. The single-phase boost-buck PFC circuit is composed of two single-phase boost-buck converters independently working in a positive and a negative half cycle of an input voltage, and the two single-phase boost-buck converters are connected in parallel at an input side, and are connected in series at an output side, and each of the single-phase boost-buck converters is composed of a front-end boost circuit and a back-end buck circuit connected in cascade. Compared to the existing technique, regardless of a boost mode or a buck mode, the conduction loss is effectively reduced, and the whole system efficiency is effectively improved. | 09-27-2012 |
20120268097 | DC-TO-DC CONVERSION APPARATUS - A direct current (DC)-to-DC conversion apparatus is provided. The provided DC-to-DC conversion apparatus is composed of two boost circuits, in which inputs of both boost circuits are connected in parallel, and outputs of both boost circuits are connected in series. Accordingly, when the provided DC-to-DC conversion apparatus is operated, the DC input power would be firstly sampled and determined, and then the operations of the first and the second switch devices disposed therein would be controlled in response to the sampled-determined result, such that both boost circuits would be respectively operated in different input conditions, for example, the input is normally-connected or the input is reverse-connected. Accordingly, regardless of the input of normal connection or the input of reverse connection, the provided DC-to-DC conversion apparatus can perform the function of DC-to-DC conversion, thereby enabling the applied product to be normally operated even the input is reverse-connected. | 10-25-2012 |
20120287678 | NON-ISOLATED RESONANT CONVERTER - A non-isolated resonant converter is provided. The provided non-isolated resonant converter includes a switch circuit, a resonant circuit and a rectifying-filtering circuit. The switch circuit, the resonant circuit and the rectifying-filtering circuit are sequentially connected. The resonant circuit includes an auto-transformer, a capacitor and an inductor, wherein the capacitor and the inductor are connected to the auto-transformer. The configuration of the provided non-isolated resonant converter has small size, low loss and high power density. | 11-15-2012 |
20130014385 | GROUNDING METHOD ADAPTED FOR POWER SUPPLYAANM Xu; MingAACI NanjingAACO CNAAGP Xu; Ming Nanjing CNAANM Sun; ChaoAACI NanjingAACO CNAAGP Sun; Chao Nanjing CN - A grounding method adapted for a power supply (for example, an adapter power supply, a three-phase AC-to-DC power supply, a DC-to-DC power supply, . . . , etc., but not limited thereto) is provided, and which includes: (a) providing a circuit body corresponding to the power supply, where the circuit body has an input part and an output part; (b) disposing the circuit body in a shielding layer; and (c) making at least one of the input part and the output part to be coupled with the shielding layer through at least one capacitor. In this case, the present invention can effectively solve the problem of common-mode interferences in the power supply. | 01-17-2013 |
20130016545 | AC-TO-DC CONVERSION APPARATUS AND RELATED CONTROL MANNER THEREOFAANM Xu; MingAACI NanjingAACO CNAAGP Xu; Ming Nanjing CNAANM Chen; Qiao-LiangAACI NanjingAACO CNAAGP Chen; Qiao-Liang Nanjing CN - An AC-to-DC conversion apparatus is provided, and which includes a first switch-element, an output capacitor and a bridgeless power-factor-correction (PFC) circuit. The bridgeless PFC circuit is coupled to an AC input, and includes a first inductor, a second inductor and a bridge circuit constructed by second to fifth switch-elements. The first switch-element is connected between bridgeless PFC circuit and the output capacitor. Under such circuit configuration and suitable control manner, the common-mode interference in the provided AC-to-DC conversion apparatus is lowered and thus reducing the power loss. | 01-17-2013 |
20130070504 | NON-ISOLATED INVERTER AND RELATED CONTROL MANNER THEREOF AND APPLICATION USING THE SAME - A non-isolated inverter including a DC input-side, a capacitor connected in parallel with the DC input-side, an AC output-side connected in parallel with a load, and first and second bridge-arm units is provided. The first and second bridge-arm units are connected in parallel with the capacitor. The first bridge-arm unit includes a series forward-connection of upper and lower switch-elements, where a common-node of upper and lower switch-elements and a supplying terminal of the second bridge-arm unit are respectively connected to two terminals of the AC output-side. The upper and lower switch-elements are respectively turned on in positive and negative half cycles of an output current of the non-isolated inverter, and the generation of common-mode currents in the non-isolated inverter is suppressed under a clamping action between the upper and lower switch-elements due to there are no high-frequency voltages on the parasitic-capacitors from the non-isolated inverter to the ground. | 03-21-2013 |
20130076406 | ISOLATED GATE DRIVER ADAPTED FOR PWM-BASED SWITCHING POWER SUPPLY - An isolated gate driver including a driving control circuit, an isolated transformer, an anti-circuit and a secondary processing circuit is provided. The driving control circuit is configured to generate a driving PWM signal for driving a power switch tube. The isolated transformer has a primary winding and a secondary winding. The anti-circuit is connected between the driving control circuit and the primary winding of the isolated transformer, and is configured to suppress a variation of an induced voltage in the secondary winding of the isolated transformer when a duty cycle of the driving PWM signal is sharply decreased. The secondary processing circuit is connected in parallel with the secondary winding of the isolated transformer, and is configured to perform a voltage clamping action on a gate-source voltage of the power switch tube when the duty cycle of the driving PWM signal is sharply decreased. | 03-28-2013 |
20130077370 | AC-TO-DC POWER SUPPLY APPARATUS AND POWER CONTROL STRUCTURE AND METHOD THEREOF - An AC-to-DC power supply apparatus and a power control structure and method thereof are provided. The provided method includes: making an AC-to-DC converter in the AC-to-DC power supply apparatus convert an AC input voltage in response to a driving signal, so as to generate a DC output voltage; sampling a rectified voltage relating to the AC input voltage, so as to provide a sampling signal; providing an output feedback signal relating to an output of the AC-to-DC converter; multiplying the sampling signal by the output feedback signal, so as to provide a product signal; performing a signal modulation on the product signal, so as to generate the driving signal to control a switching of a main power switch in the AC-to-DC converter; and performing an amplitude-limiting process on the sampling signal or the product signal. | 03-28-2013 |
20150036397 | INVERTER AND OVER CURRENT PROTECTION METHOD THEREOF - An inverter and an over current protection method thereof are provided. The inverter includes an inverting circuit, a filtering capacitor and an over current protection circuit. The inverting circuit is configured to convert a DC input voltage into an AC output voltage and provide the AC output voltage to a load. The filtering capacitor is coupled to the inverting circuit and the load in parallel. The over current protection circuit is coupled to the inverting circuit and the filtering capacitor and configured to provide an over current protection mechanism. The over current protection circuit detects an AC current on the filtering capacitor and determines whether to enable the over current protection mechanism according to the AC current in order to restrain the power conversion operation of the inverting circuit. | 02-05-2015 |
20150049520 | RESONANT CONVERTER AND CONTROLLING METHOD THEREOF - A resonant converter and its controlling method are provided. The resonant converter includes a bridge switching circuit receiving a DC input voltage through its power terminal, a resonant and transforming circuit, a rectifying and filtering circuit, and an over-current protecting circuit. The resonant and transforming circuit has at least one resonant capacitor charged/discharged in response to the switching of the bridge switching circuit. The rectifying and filtering circuit rectifies and filters outputs of the resonant and transforming circuit, and generates a driving voltage accordingly. The over-current protecting circuit is coupled to the power terminal and crosses over the resonant capacitor to form a clamp path. The over-current protecting circuit detects a current flowing through the resonant and transforming circuit or a load and determines whether to conduct/cut off the clamp path according to the detection result to limit a cross voltage of the resonant capacitor within a first voltage range. | 02-19-2015 |
20150049525 | INVERTER AND POWER SUPPLYING METHOD THEREOF AND APPLICATION USING THE SAME - An inverter and a power supply method thereof and an application thereof are provided. The inverter includes a DC-DC conversion circuit, an inverting circuit and an auxiliary power circuit. The DC-DC conversion circuit converts a DC input voltage into a DC bus voltage. The inverting circuit is configured to convert the DC bus voltage into an AC output voltage. The auxiliary power circuit is enabled in response to the DC input voltage, and the auxiliary power circuit generates a first auxiliary power for enabling the DC-DC conversion circuit after being enabled. The DC-DC conversion circuit is enabled in response to the first auxiliary power, and the DC-DC conversion circuit generates a second auxiliary power for enabling the inverting circuit after being enabled, such that the inverting circuit is enabled in response to the second auxiliary power and generates the AC output voltage. | 02-19-2015 |
20150070956 | INVERTER AND DIRECT CURRENT BUS VOLTAGE REGULATING METHOD THEREOF AND APPLICATION USING THE SAME - An inverter and a direct current (DC) bus voltage regulating method thereof are provided. The inverter includes a resonant conversion circuit, an inverting circuit, a first control circuit and a second control circuit. The resonant conversion circuit receives a DC input voltage and converts the same into a DC bus voltage. The inverting circuit couples to the resonant conversion circuit, and configured to convert the DC bus voltage into an AC output voltage. The first control circuit is configured to control operations of the resonant conversion circuit, where the first control circuit calculates a best working voltage of the resonant conversion circuit based on the DC input voltage and a resonant frequency of the resonant conversion circuit. The second control circuit controls operations of the inverting circuit, where the second control circuit receives the best working voltage calculated by the first control circuit and regulates the DC bus voltage accordingly. | 03-12-2015 |
20150103564 | PARALLEL RESONANT CONVERTER AND CONTROL METHOD THEREOF - A parallel resonant converter including a control circuit and at least two resonant conversion circuits connected in parallel between an input bus and an output bus is provided by the invention. The control circuit is configured to provide a switching frequency signal to the at least two resonant conversion circuits. Moreover, the control circuit is further configured to control the voltage of the output bus to linearly vary along with the switching frequency signal in a rated range by using a linear current-balancing curve (gain-frequency), and thus achieving the purpose of current-balancing for the at least two resonant conversion circuits. The invention is capable of controlling the output voltage of the parallel resonant converter, so as to reduce the ripple on the output voltage of the power supply system. | 04-16-2015 |
20150109830 | RESONANT POWER CONVERSION APPARATUS AND CONTROLLING METHOD THEREOF - A resonant power conversion apparatus and a controlling method of the resonant power conversion apparatus are provided. The resonant power conversion apparatus includes a switch-based resonant converter and a controller. The switch-based resonant converter is configured to supply power to a load. The controller is coupled to the switch-based resonant converter and the load and configured to control switching of the switch-based resonant converter to regulate power conversion of the switch-based resonant converter. The controller has a voltage control loop and a current control loop. The controller detects a driving state of the load and enables one of the voltage control loop and the current control loop according to the detection result to adjust a switching frequency of the switch-based resonant converter. | 04-23-2015 |
Patent application number | Description | Published |
20110285640 | ELECTRIC FIELD SHIELDING FOR IN-CELL TOUCH TYPE THIN-FILM-TRANSISTOR LIQUID CRYSTAL DISPLAYS - Displays such as liquid crystal displays may be used in electronic devices. During operation of a display, electrostatic charges on the surface of the display may give rise to electric fields. One or more electric field shielding layers may be provided in the display to prevent the electric fields from disrupting operation of the liquid crystals material in the display. The shielding layers may be formed at a location in the stack of layers that make up the display that is above the liquid crystal material of the display. Touch sensors and thin film transistors may be located below the shielding layer. | 11-24-2011 |
20120154699 | DISPLAYS WITH MINIMIZED CROSSTALK - Display ground plane structures may contain slits. Image pixel electrodes in the display may be arranged in rows and columns. Image pixels in the display may be controlled using gate lines that are associated with the rows and data lines that are associated with the columns. An electric field may be produced by each image pixel electrode that extends through a liquid crystal layer to an associated portion of the ground plane. The slits in the ground plane may have a slit width. Data lines may be located sufficiently below the ground plane and sufficiently out of alignment with the slits to minimize crosstalk from parasitic electric fields. A three-column inversion scheme may be used when driving data line signals into the display, so that pairs of pixels that straddle the slits are each driven with a common polarity. Gate line scanning patterns may be used that enhance display uniformity. | 06-21-2012 |
20130128193 | Displays with Multilayer Masks and Color Filters - An electronic device may have a display such as a liquid crystal display. The display may have multiple layers of material such as a color filter layer and a thin-film transistor layer. An opaque masking layer may be formed on a display layer such as the color filter layer. In an inactive portion of the display, the opaque masking layer may form a rectangular ring that serves as a border region surrounding a rectangular active portion of the display. In the active portion of the display, the opaque masking layer may be patterned to from an opaque matrix that separates color filter elements in an array of color filter elements. The opaque masking layer and color filter elements may be formed from polymers such as photoresist. The opaque masking layer may include a black pigment such as carbon black. Color filter elements and opaque masking material may include multiple sublayers. | 05-23-2013 |
20130141343 | COMMON ELECTRODE CONNECTIONS IN INTEGRATED TOUCH SCREENS - Common electrodes (Vcom) of integrated touch screens can be segmented into electrically isolated Vcom portions that can be operated as drive lines and/or sense lines of a touch sensing system. The touch screen can include high-resistivity connections between Vcom portions. The resistivity of the high-resistivity connections can be high enough so that touch sensing and image display can be performed by the touch screen, and the high-resistivity connections can provide an added functionality by allowing a charge build up on one of the Vcom portions to be spread to other Vcom portions and/or discharged from system by allowing charge to leak through the high-resistivity connections. In this way, for example, visual artifacts that result from charge build up on a Vcom portion can be reduced or eliminated. | 06-06-2013 |
20130147774 | DISPLAYS WITH MINIMIZED CROSSTALK - Display ground plane structures may contain slits. Image pixel electrodes in the display may be arranged in rows and columns. Image pixels in the display may be controlled using gate lines that are associated with the rows and data lines that are associated with the columns. An electric field may be produced by each image pixel electrode that extends through a liquid crystal layer to an associated portion of the ground plane. The slits in the ground plane may have a slit width. Data lines may be located sufficiently below the ground plane and sufficiently out of alignment with the slits to minimize crosstalk from parasitic electric fields. A three-column inversion scheme may be used when driving data line signals into the display, so that pairs of pixels that straddle the slits are each driven with a common polarity. Gate line scanning patterns may be used that enhance display uniformity. | 06-13-2013 |
20130201429 | Display With Color Mixing Prevention Structures - An electronic device may have a liquid crystal display having a backlight and color mixing prevention structures. The color mixing prevention structures may, in part, be formed from one or more arrays of color filter elements. The liquid crystal display may include first and second transparent substrate layers on opposing sides of a liquid crystal layer. The display may include a first array of color filter elements on the first transparent substrate layer and a second array of color filter elements on the second transparent substrate layer. One or more of the arrays of color filter elements may include a black matrix formed over portions of the color filter elements. The color filter elements may fill or partially fill openings in the black matrix. The display may include a collimating layer on the second transparent substrate layer. The color filter elements may include cholesteric color filter elements. | 08-08-2013 |
20130241900 | SYSTEMS AND METHODS FOR ADJUSTING LIQUID CRYSTAL DISPLAY WHITE POINT USING COLUMN INVERSION - Systems, methods, and devices for adjusting a white point of a liquid crystal display (LCD) using column inversion are provided. In one example, a method includes measuring white points of an electronic display that occur when the display employs different column inversion schemes. The display may be programmed to perform the column inversion scheme that produces a white point closest to a desired white point. | 09-19-2013 |
20130241901 | SYSTEMS AND METHODS FOR LIQUID CRYSTAL DISPLAY COLUMN INVERSION USING 2-COLUMN DEMULTIPLEXERS - Systems, methods, and devices for performing column inversion using 2-column demultiplexers are provided. In one example, an electronic display may include a display panel with columns of pixels configured to be programmed with frames of image data and display driver circuitry. The display driver circuitry may include three demultiplexers, each respectively coupled to one pixel column of a first superpixel and one pixel column of a second superpixel. Each of the three demultiplexers may receive amplified image data of a single polarity per frame. | 09-19-2013 |
20130241958 | SYSTEMS AND METHODS FOR LIQUID CRYSTAL DISPLAY COLUMN INVERSION USING 3-COLUMN DEMULTIPLEXERS - Systems, methods, and devices for column inversion are provided. In one example, an electronic display may include a display panel having columns of pixels and display driver circuitry. The display driver circuitry may include source amplifiers and demultiplexers. Each demultiplexer may channel data output by at least one source amplifier to one of three columns of pixels. The display driver circuitry may drive the display panel according to a 3-column inversion scheme using one source amplifier per demultiplexer per frame of image data. | 09-19-2013 |
20130241959 | SYSTEMS AND METHODS FOR REDUCING LOSS OF TRANSMITTANCE DUE TO COLUMN INVERSION - Systems, methods, and devices for reducing the loss of transmittance caused by column inversion. To provide one example, an electronic display may include a display panel with columns of pixels and driver circuitry to drive the pixels using column inversion. Adjacent columns that are driven at like polarity are spaced more closely than adjacent columns driven at opposite polarities. | 09-19-2013 |
20130241960 | SYSTEMS AND METHODS FOR LIQUID CRYSTAL DISPLAY COLUMN INVERSION USING REORDERED IMAGE DATA - Systems, methods, and devices for performing column inversion using reordered image data are provided. In one example, an electronic display may include a display panel with columns of pixels and driver circuitry to drive the pixels using column inversion. The driver circuitry may drive pixels of a first superpixel in a first color order and drive pixels of an adjacent second superpixel in a second color order, such that more pixels are driven sequentially at a common polarity than would have been driven sequentially at the common polarity were the pixels of the first superpixel driven at the same color order as the pixels of the second superpixel. | 09-19-2013 |
20140078448 | Stress Insensitive Liquid Crystal Display - A display is provided that has upper and lower polarizers, a color filter layer, a liquid crystal layer, and a thin-film transistor layer. The color filter layer and thin-film transistor layer may be formed from materials such as glass that are subject to stress-induced birefringence. To reduce light leakage that reduces display performance, one or more internal layers may be incorporated into the display to help ensure that linearly polarized backlight that passes through the display is not undesirably converted into elliptically polarized light. The internal layers may include a thin-film polarizer layer that forms a coating on the color filter layer, a thin-film polarizer layer that forms a coating on the thin-film-transistor layer, a retarder layer that is formed as a coating on the color filter layer, and a retarder layer that is formed as a coating on the thin-film-transistor layer. | 03-20-2014 |
20140247404 | Portable Electronic Device - Portable electronic devices are provided. A device may include cover glass with a light mask. The light mask may be microperforated to allow light to pass through the light mask. The microperforations may allow light to pass through the light mask. The devices may include sensors and light emitters that receive and transmit light through the microperforations. The devices may include a variable cantilever spring as part of a button assembly. The spring may be flattened against itself without exceeding its elastic limit. The devices may include display modules. The display module may include structures that block light from leaking out of the module. The structures may include opaque tapes, opaque enclosures for the display module, and other suitable structures. | 09-04-2014 |
20150198844 | Display with Column Spacer Structures - A display may have a layer of liquid crystal material between a color filter layer and a thin-film transistor layer. Column spacer structures may be formed between the color filter layer and the thin-film transistor layer to maintain a desired separation between the color filter and thin-film transistor layers. Column spacers may be deposited in column spacer regions of the color filter layer. The color filter layer may include rows of red, green, and blue color filter elements. Blue color filter material that forms blue color filter elements in the color filter layer may also be used to form a planar surface over red and green color filter elements in the column spacer regions. Using the blue color filter material to planarize the surface on which column spacers are formed ensures that the column spacers provide sufficient support for the display without requiring an additional planarization layer. | 07-16-2015 |
20150227000 | Display With Color Mixing Prevention Structures - An electronic device may have a liquid crystal display having a backlight and color mixing prevention structures. The color mixing prevention structures may, in part, be formed from one or more arrays of color filter elements. The liquid crystal display may include first and second transparent substrate layers on opposing sides of a liquid crystal layer. The display may include a first array of color filter elements on the first transparent substrate layer and a second array of color filter elements on the second transparent substrate layer. One or more of the arrays of color filter elements may include a black matrix formed over portions of the color filter elements. The color filter elements may fill or partially fill openings in the black matrix. The display may include a collimating layer on the second transparent substrate layer. The color filter elements may include cholesteric color filter elements. | 08-13-2015 |
20150248033 | Displays With Elevated Backlight Efficiency - An electronic device may be provided with a display mounted in a housing. The display may include a liquid crystal display module and a reflective polarizer having an in-plane optical axis. The display may also include a backlight unit that includes a light source, a light guide element, and a reflector film coupled to a backside of the light guide element. The display may also include a light retardation layer such as a quarter wave film. The quarter wave film may be arranged between the reflective polarizer and the reflector film of the backlight unit. Partially polarized light that is output from a front side of the light guide element may have a first component parallel to the in-plane optical axis and a second component perpendicular to the in-plane optical axis of the reflective polarizer. The second component may be reflected from the reflective polarizer. | 09-03-2015 |