Patent application number | Description | Published |
20090166249 | PACKAGE FOR ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME - A package for providing electromagnetic shielding for microwave circuits. The package includes a top board having an upper surface, a lower surface opposite to the upper surface and a side surface joining the upper surface and the lower surface, and a bottom board having an upper surface attached to the lower surface of the top board, a lower surface opposite to the upper surface and an outer side surface joining the upper surface and the lower surface. The top board further includes at least one ground layer formed therein and a first metal coating formed on at least part of the side surface of the top board. The bottom board includes an inner side surface extending from the upper surface of the bottom board toward the lower surface of the bottom board and an inner lower surface joining the inner side surface, thereby providing an inner space for accommodating the microwave circuit. The bottom board further includes a second metal coating formed on at least part of the outer side surface of the bottom board and a third metal coating formed on at least part of the lower surface of the bottom board. The ground layer, the first metal coating, the second metal coating and the third metal coating are electrically coupled to provide an electric shield for the microwave circuit. | 07-02-2009 |
20090279469 | THE METHOD AND DEVICE FOR SENDING AND RECEIVING E-MBMS TRAFFIC DATA - The invention provides a method and device for sending MBMS traffic data based on MBMS Cell Group, the method comprises the following steps: channel coding and modulating said MBMS traffic data; determining said MBMS cell group-specific scrambling code; determining said MBMS cell-specific scrambling code; scrambling said MBMS traffic data with said MBMS cell group-specific scrambling code, and adding reference signal scrambled with said MBMS cell group-specific scrambling code and reference signal scrambled with said MBMS cell-specific scrambling code; and sending scrambled MBMS reference signal and data. With the method and the corresponding device provided by the invention, it is easy to realize RF combining or RF combining and soft combining simultaneously at UE to obtain diversity gain. | 11-12-2009 |
20100014356 | SENSE AMPLIFIER USED IN ELECTRICALLY ERASABLE PROGRAMMABLE READ-ONLY MEMORY AND THE IMPLEMENTING METHOD THEREOF - The present invention discloses a sense amplifier used in an Electrically Erasable Programmable Read-only Memory; the sense amplifier includes a reference current generation circuit, which is used for providing a reference current with a settable temperature coefficient for a main circuit of the sense amplifier; the sense amplifier further includes the main circuit, which is used for comparing the reference current with a storage cell current, and distinguishing between 0 Storage Cell and 1 Storage Cell. The present invention further discloses a method of implementing the sense amplifier that is as below: With an additional current reference circuit, generating the reference current with a positive/negative/zero temperature coefficient to be inputted into the main circuit, by mixing a proportional absolute temperature current and a constant current according to different ratios; and providing a storage cell selection tube in a mirror branch of a biased current of the main circuit, so as to constitute a source degeneration circuit, thus making the biased current change with the power supply voltage and the process as well as realizing a gain compensation function. The sense amplifier of the present invention can automatically compensate the process, the power supply voltage and temperature, and possesses the dynamic high speed property. | 01-21-2010 |
20100014363 | SELFCALIBRATION METHOD AND CIRCUIT OF NONVOLATILE MEMORY AND NONVOLATILE MEMORY CIRCUIT - The present invention discloses a selfcalibration method of a reading circuit of a nonvolatile memory, by which trimming data having recorded a reference current are stored in a bit-pair form into the memory and regulate a sense amplifier, and a value of the reference current is obtained according to the trimming data when “0” and “1” in the outputted trimming data have the same quantities. The present invention further discloses a selfcalibration circuit of the nonvolatile memory, which includes a trimming data storage module, a sense amplifier module, a logic judgment module, and a scanning module. The present invention furthermore discloses a nonvolatile memory circuit, which includes a memory cell array and the selfcalibration circuit of the reading circuit of the nonvolatile memory. The present invention, not requiring an additional fuse or differential unit, can solve a deadlock problem securely and reliably without increasing circuit area and test cost, and be widely applied to OTP, MTP and EEPROM of various processes or various nonvolatile memories such as Flash EEPROM, MRAM, and FeRAM, improving reliability of the memory effectively. | 01-21-2010 |
20100014376 | DECODING CIRCUIT WITHSTANDING HIGH VOLTAGE VIA LOW-VOLTAGE MOS TRANSISTOR AND THE IMPLEMENTING METHOD THEREOF - The present invention discloses a decoding circuit withstanding high voltage via a low-voltage MOS transistor, where negative high voltage that can be withstood can be as high as double what the transistor itself can withstand via two-stage CMOS inverters connected serially. When the negative high voltage is withstood, the source of a PMOS transistor in the CMOS inverter is switched to high resistance, and the substrate to the ground; the source of an NMOS transistor in the first CMOS inverter is connected with a half negative high voltage, and the source of an NMOS transistor in the second CMOS inverter with a negative high voltage; the first CMOS inverter, whose output is the half negative high voltage, is grounded at its input terminal, and output of the second CMOS inverter is the negative high voltage. The present invention further discloses a method of implementing the decoding circuit and a memory circuit using the decoding circuit. The present invention can effectively reduce area the device occupies; it is applicable to the non-volatile memory field, realizing high-voltage output during a high-voltage operation and fast decoding output during a normal-voltage operation. | 01-21-2010 |
20110171982 | METHOD AND DEVICE FOR PROVIDING WIRELESS ACCESSED USER WITH A MONOPOLIZED SERVICE CONTROL RIGHT - A method and device are provided in the present invention, for providing the exclusive service control right of to the wireless access user. Wherein, the network device provides a plurality of format template information of the user terminals for requesting the service control right, and particularly for requesting the service control right of the video collecting device in wireless video surveillance system. Preferably, the template information is edited with the OMA interactive media file, and the user terminal generates an interactive command according to command format information that is corresponding to the user terminal, and sends to the network device, so as to request for service control right. The network device processes the interactive command received from different user terminals, so as to provide the user terminal with service control right. With the present invention, the user terminal can easily and promptly edit the interactive command so as to request for service control right, and the network device can process the user's interactive commands timely and accurately, so as to determine the affiliation of the exclusive service control right, and enables the user with better experience. | 07-14-2011 |
20120084820 | METHOD AND APPARATUS FOR NOTIFICATION AND INTERACTION OF MULTI-SCREEN SERVICE IN COMMUNICATION SYSTEM - A uniform multi-screen service request command template is defined by using an OMA interactive media document so that a notification of a network device about a multi-screen service and a request command of a user for multi-screen service content are compatible with the OMA standard. With the multi-screen service request command template defined in the OMA interactive media document in the invention, the user can create a request command in the uniform format simply and rapidly to thereby greatly reduce the probability of an input error of the user. Furthermore, it is not necessary to set up a connection in advance, thus greatly shortening a delay and reducing the probability of an error and hence greatly improving a quality of experience of the user. | 04-05-2012 |
20120092041 | Decoding Circuit Withstanding High Voltage Via Low-Voltage Mos Transistor And The Implementing Method Thereof - A decoding circuit withstanding high voltage via a low-voltage MOS transistor, where negative high voltage that can be withstood can be as high as double what the transistor itself can withstand via two-stage CMOS inverters connected serially. When the negative high voltage is withstood, the source of a PMOS transistor in the CMOS inverter is switched to high resistance, and the substrate to the ground; the source of an NMOS transistor in the first CMOS inverter is connected with a half negative high voltage, and the source of an NMOS transistor in the second CMOS inverter with a negative high voltage; the first CMOS inverter, whose output is the half negative high voltage, is grounded at its input terminal, and output of the second CMOS inverter is the negative high voltage. | 04-19-2012 |
20140082507 | INTERACTIVE MULTI-SCREEN SERVICE CONTENT DELIVERY METHOD AND DEVICE - The present invention relates to a method for delivering interactive multi-screen service content in a multi-screen service content delivery system as well as a server and user terminal for implementing the method. According to an embodiment of the present invention, a method of delivering multi-screen content from a server to a plurality of user terminals simultaneously in a multi-screen content delivery system comprises: providing an interactive media document form the server to the plurality of user terminals wherein the interactive media document comprises an identification of the multi-screen content and a plurality of time options for playing or downloading the multi-screen content and the server collecting a plurality of user-selected time options and multicasting or broadcasting the multi-screen content according to the selected time options such that broadcast/multicast technique is used as much as possible for simultaneous video content delivery to a plurality of user to improve the efficiency of network utilization. | 03-20-2014 |