Patent application number | Description | Published |
20100027363 | REFRESH CONTROLLER AND REFRESH CONTROLLING METHOD FOR EMBEDDED DRAM - The present invention provides a refresh controller for embedded DRAM, configured to receive an external access signal and generate refresh enabling signal REFN, refresh address signal CRA and confliction signal, said embedded DRAM comprising a plurality of memory groups, said controller comprising: a status controlling module that generates refresh enabling signal REFN and last refresh signal last_ccr according to the refresh interval and clock cycles; a refresh searching module that searches in said plurality of memory bank groups for at least one memory bank group that is to be refreshed in the refresh interval, and generates refresh address signal CRA according to the external access signal and the searched memory bank group; a scoreboard module that records the status of each of said plurality of memory bank groups according to said refresh address signal CRA and external access signal; and a confliction detecting module that generates confliction signal according to said external access signal, last refresh signal last_ccr and the status of each of said memory banks. A corresponding refresh controlling method is also provided in the present invention. | 02-04-2010 |
20100218068 | MULTI-BIT ERROR CORRECTION METHOD AND APPARATUS BASED ON A BCH CODE AND MEMORY SYSTEM - Exemplary embodiments for providing multi-bit error correction based on a BCH code are provided. In one such embodiment, the following operations are repeatedly performed, including shifting each bit of the BCH code rightward by 1 bit while filling the bit vacated due to the rightward shifting in the BCH code with 0, calculating syndrome values corresponding to the shifting of the BCH code, and determining a first error number in the BCH code under the shifting based on the syndrome values corresponding to the shifting of the BCH code. In the case where the first error number is not equal to 0, modified syndrome values are calculated corresponding to the shifting of the BCH code. The modified syndrome values are those corresponding to the case that the current rightmost bit of the BCH code under the shifting is changed to the inverse value. Additional operations are performed as described herein. | 08-26-2010 |
20100306293 | Galois Field Multiplier - A Galois field multiplier is provided, comprising a multiplication circuit for inputting two m bits binary multiplicators and outputting their product, wherein m is an integral power of 2, and the output of said multiplication circuit is consisted of a high bits portion output and a low bits portion output; a memory for storing a Galois field multiplication coefficient array calculated from a selected Galois field primitive polynomial; a first module for performing operation on the output of said multiplication circuit and the Galois field multiplication coefficient array stored in said memory to obtain the product of the two m bits binary multiplicators over Galois field. The Galois field multiplier has small hardware footprint, short response latency and strong universality. | 12-02-2010 |
20110055439 | BUS BRIDGE FROM PROCESSOR LOCAL BUS TO ADVANCED EXTENSIBLE INTERFACE - Disclosed is a method of processing a read/write request conforming to the PLB bus protocol and a bus bridge from PLB bus to AXI bus, the method comprising: receiving the read/write request conforming to the PLB bus protocol without waiting for an acknowledgement of successful execution of a previous read/write request conforming to the PLB bus protocol; buffering the read/write request conforming to the PLB bus protocol; mapping the buffered read/write request conforming to the PLB bus protocol to a read/write request conforming to a AXI bus protocol; and outputting the mapped read/write request conforming to the AXI bus protocol. The method and the bus bridge enable IP modules conforming to PLB bus protocol and AXI bus protocol to communicate and perform transaction mapping during communication, to guarantee that all the transactions are performed in an order desired by the PLB device, and improve communication efficiency of the SoC. | 03-03-2011 |
20120311399 | MULTI-BIT ERROR CORRECTION METHOD AND APPARATUS BASED ON A BCH CODE AND MEMORY SYSTEM - Exemplary embodiments for providing multi-bit error correction based on a BCH code are provided. In one such embodiment, the following operations are repeatedly performed, including shifting each bit of the BCH code rightward by 1 bit while filling the bit vacated due to the rightward shifting in the BCH code with 0, calculating syndrome values corresponding to the shifting of the BCH code, and determining a first error number in the BCH code under the shifting based on the syndrome values corresponding to the shifting of the BCH code. In the case where the first error number is not equal to 0, modified syndrome values are calculated corresponding to the shifting of the BCH code. The modified syndrome values are those corresponding to the case that the current rightmost bit of the BCH code under the shifting is changed to the inverse value. Additional operations are performed as described herein. | 12-06-2012 |
20140142251 | FILLED ELASTOMER COMPRISING POLYURETHANE - The present invention relates to a method for producing a filled elastomer wherein a rubber composition is produced by mixing I) raw rubber, II) cross linking agent, III) filler, IV) isocyanate terminated polymer composition and optionally V) further additives and cross linking of the rubber composition. The present invention further relates to a filled elastomer obtainable according to said method and the use of filled elastomers according to the invention as shoe sole. | 05-22-2014 |
20150222292 | MULTI-BIT ERROR CORRECTION METHOD AND APPARATUS BASED ON A BCH CODE AND MEMORY SYSTEM - Exemplary embodiments for providing multi-bit error correction based on a BCH code are provided. In one such embodiment, the following operations are repeatedly performed, including shifting each bit of the BCH code rightward by 1 bit while filling the bit vacated due to the rightward shifting in the BCH code with 0, calculating syndrome values corresponding to the shifting of the BCH code, and determining a first error number in the BCH code under the shifting based on the syndrome values corresponding to the shifting of the BCH code. In the case where the first error number is not equal to 0, modified syndrome values are calculated corresponding to the shifting of the BCH code. The modified syndrome values are those corresponding to the case that the current rightmost bit of the BCH code under the shifting is changed to the inverse value. Additional operations are performed as described herein. | 08-06-2015 |
Patent application number | Description | Published |
20120045202 | High Speed Bi-Directional Transceiver, Circuits and Devices Therefor, and Method(s) of Using the Same - The present disclosure relates to a high-speed and/or power-saving bi-directional transceiver. The transceiver generally includes a (burst) laser driver; an output power monitoring and indicating circuit; control logic (e.g., a microcontroller unit); bi-directional optics; a photodiode bias control circuit; a limiting amplifier; and a receiver optical power monitoring circuit. Optionally, the present transceiver includes a small form factor pluggable (SFP+) connector housing. In addition, the power-saving bi-directional transceiver generally includes a transmitter (TX) energy-saving circuit, a TX burst holding circuit, a receiver (RX) energy-saving circuit, a RX continuous holding circuit and the control logic. | 02-23-2012 |
20120243863 | Optical Transceiver Integrated with Optical Time Domain Reflectometer Monitoring - An optical transceiver having an integrated optical time domain reflectometer monitoring unit and methods for using the same are disclosed. The disclosure relates to an optical transceiver comprising an optical device comprising a wavelength division multiplexing system (WDM), a data signal driver, a data signal limiting amplifier, and an optical time domain reflectometer (OTDR) data processing module. Furthermore, the optical transceiver is particularly advantageous in an optical line terminal (OLT) and/or a passive optical network (PON). The integrated OTDR data processing module can protect the optical transceiver, ensure successful monitoring data, simplify network wiring and decrease system and network costs by decreasing the number of OTDR modules and WDM units. | 09-27-2012 |
Patent application number | Description | Published |
20120103557 | Air-Based Geothermal Cooling System For A Telecom Utility Cabinet - In one embodiment, the disclosure includes an air-based geothermal cooling system for a telecom utility cabinet. The air-based geothermal cooling system includes a plurality of heat exchange tubes configured to extend into an underground environment. The air-based geothermal cooling system also includes an input/output (I/O) manifold coupled to the plurality of heat exchange tubes and providing an airway between the plurality of heat exchange tubes and the telecom utility cabinet. | 05-03-2012 |
20120103558 | Telecom Utility Cabinet Arranged For Air-Based Geothermal Cooling - In one embodiment, the disclosure includes a telecom utility cabinet including a heat load chamber. The telecom utility cabinet also includes an air introducing duct configured to conduct air from the heat load chamber to a geothermal cooling system. The telecom utility cabinet also includes an air discharging duct configured to conduct air from the geothermal cooling system to the heat load chamber. In another embodiment, the disclosure includes a method for managing temperature in a telecom utility cabinet. The method includes introducing air from a heat load chamber to a geothermal cooling system and discharging air from the geothermal cooling system to the heat load chamber. | 05-03-2012 |
20120103559 | Air-Based Geothermal Cooling System Criteria For Telecom Utility Cabinet - In one embodiment, a system includes a telecom utility cabinet and an air-based geothermal cooling system for the telecom utility cabinet. The air-based geothermal cooling system forms an air circulation loop that receives air from the telecom utility cabinet and returns cooled air to the telecom utility cabinet. In another embodiment, an air-based geothermal cooling system for a telecom utility cabinet is provided. The air-based geothermal cooling system comprises a plurality of heat exchange tubes configured to extend into an underground environment. The plurality of heat exchange tubes are part of an air circulation loop configured to receive air from the telecom utility cabinet and to return cooled air to the telecom utility cabinet. | 05-03-2012 |
20120103560 | Air-Based Geothermal Cooling Maintenance System - In one embodiment, a system includes a telecom utility cabinet and an air-based geothermal cooling system for the telecom utility cabinet. The system also includes a leak detector for the air-based geothermal cooling system. In another embodiment, a method includes detecting a leak in an air-based geothermal cooling system. The method also includes activating a liquid pump for the air-based geothermal cooling system in response to the leak detection. | 05-03-2012 |
Patent application number | Description | Published |
20130271108 | CELLULAR POWER SUPPLY NETWORK, INTELLIGENT GATEWAY AND POWER SUPPLY CONTROL METHOD THEREOF - The embodiments of the present invention provide a cellular power supply network, an intelligent gateway and a power supply control method thereof. The cellular power supply network further comprises: at least one cellular power supply layer formed by a plurality of transformers connected as a cellular structure. In the embodiments of the present invention, the electricity energy can be transferred from one transformer to another transformer demanding power as needed, so that the power is more reasonably distributed and the energy utilization rate is improved. In the technical solutions of the present invention, when a certain transformer cannot work normally due to a fault, the electricity energy outside the transformer can be introduced into the user of the transformer using the cellular power supply network, so as to keep continuous power usage. Meanwhile, the transformer can be separated from the power supply network for repairing and maintenance. | 10-17-2013 |
20130272680 | METHOD AND SYSTEM FOR COLLECTING, TRANSMITTING, EDITING AND INTEGRATING, BROADCASTING, AND RECEIVING SIGNAL - Embodiments of present invention provide a method and system for collecting, transmitting, editing and integrating, broadcasting, and receiving signals. The method comprises acquiring one and/or more audio signals and one and/or more video signals of the same program collected by one and/or more audio and video collection terminals; editing and integrating the one and/or more audio signals and the one and/or more video signals of the same program on a network platform, and then broadcasting; selecting among the one and/or more audio signals and the one and/or more video signals of the same program at a receiving terminal, and receiving the selected audio signal and video signal. | 10-17-2013 |
20150062426 | METHOD AND APPARATUS FOR CONNECTING TV SET TO WIFI - A method for connecting a TV set to WiFi comprises: receiving a WiFi signal comprising an audio/video signal sent by a WiFi apparatus; obtaining the audio/video signal in the WiFi signal; converting the audio/video signal into an audio/video signal in a TV playing format; and sending the converted audio/video signal in the TV playing format to a TV set. An apparatus for connecting a TV set to WiFi comprises: a WiFi communication unit for receiving a WiFi signal comprising an audio/video signal sent by a WiFi apparatus; an embedded-type computer chip for obtaining the audio/video signal in the WiFi signal; an audio/video circuit unit matching with a TV signal, for converting the audio/video signal into an audio/video signal in a TV playing format; and a TV audio/video signal output unit for sending the converted audio/video signal in the TV playing format to the TV set. | 03-05-2015 |
20150063169 | INTELLIGENT WIRELESS ROUTER AND WIRELESS COMMUNICATION SYSTEM - The disclosure provides an intelligent wireless router and a wireless communication system. The intelligent wireless router comprises a setting unit receiving initial setting information, connection setting information and device control information input from outside; a processing unit conducting initial setting on the intelligent wireless router according to the initial setting information, establishing or disconnecting wireless connection among a plurality of designated WIFI wireless terminals according to connection setting information, and controlling running states of the wireless terminals according to the device control information; a WIFI wireless communication unit establishing or disconnecting the wireless connection among the plurality of designated wireless terminals under the control of the processing unit, sending the device control information to the designated wireless terminals, and forwards a file among a plurality of wireless terminals; and a storage unit storing the setting information and the file to be forwarded. | 03-05-2015 |
Patent application number | Description | Published |
20140314967 | AQUEOUS PHASE PORE SEALING AGENT IMROVING PCB COATING OXIDATION- RESISTANT AND CORROSION-RESISTANT PROPERTIES AND METHOD FOR USING SAME - The present invention relates to a water-based pore sealing agent enhancing PCB coating anti-oxidation and anti-corrosion properties, consisting of, by weight, 4-12 parts of a corrosion inhibitor, 15-25 parts of a mixed surfactants system, 10-20 parts of an ion chelating agent, 6-15 parts of a pH regulator, 20-40 parts of a builder, and the rest being purified water. When used to perform pore sealing on a PCB, the water-based pore sealing agent is diluted with purified water first to be diluted 10-100 times, preferably, 100/8-100/3 times. The pH value is 7-11, and is preferably 7.5-9.5. The surface tension is 18-28 dyn/cm. The pore sealing treatment uses a immersion process, and preferably ultrasonic waves are added at the same time to assist in cleaning the pores. For the pore sealing treatment, the temperature is 20-60° C., and the time is 60-150 seconds. After pore sealing, the temperature for drying the coated piece is 80-150° C., and the time is 60-120 seconds. The PCB treated with the water-based pore sealing agent of the present invention undergoes the neutral salt spray test, the nitric acid vapor test, the mixed gas test, and the sulfur dioxide and bonding tensile strength test, and the results have indicated that the anti-oxidation and anti-corrosion properties of the coating thereof are significantly enhanced. | 10-23-2014 |