Patent application number | Description | Published |
20090186088 | INHALABLE DRUG - A process for preparation of particles of an inhalable drug is described. The process comprises combining a first liquid and a second liquid in a region of high shear, whereby the first liquid and the second liquid interact to form the particles of the drug. One of the first and second liquids comprises the drug or a precursor thereof. In the case where one of the liquids comprises the precursor, the other of the first and second liquids comprises a reagent which reacts with the precursor under high shear conditions to form particles of the drug. In the case where one of the liquids comprises the drug, the other of the first and second liquids comprises a liquid which, when mixed with the liquid containing the drug under high shear, forms particles of the drug. | 07-23-2009 |
20090286948 | METHOD FOR SYNTHESIS OF BUTYL RUBBER - This invention puts forward a process of preparing butyl rubber. High gravity devices are used as polymerization reactor. The mixture of isomonoolefin and conjugated diolefin monomers and the diluent, and the mixture of the initiator and diluent are pumped at a certain ratio into a high-gravity reactor to conduct cationic polymerization in the high-gravity environment. After polymerization, the monomers and the diluent are removed from the product to obtain butyl rubber polymers with number-average molecular weight of 80000˜300000 and molecular weight distribution index of 1.9˜3.6. The high gravity polymerization method of this invention can tremendously intensify micro-mixing, mass transfer and heat transfer in the reaction. Compared to the conventional stirred polymerization method, this invention features small reactor volume, at least 30-fold shorter residence time of substances in the high gravity reactor, low cost, low energy consumption and high production efficiency. | 11-19-2009 |
20090325526 | Method and apparatus for reporting state information - A method for reporting state information is provided. The receiver device receives a service, which is encoded in at least two layers over a communication channel, through a subset of said at least two layers; it measures a channel quality parameter; and in response to the channel quality parameter reaching a predetermined threshold value, it receives the service through a modified subset of the at least two layers as a function of the measured channel quality parameter and transmitting state information of the receiver device. Thus, the signal overhead is reduced. | 12-31-2009 |
20100157835 | Method and device for determining channel quality - It is provided a method for determining channel quality for a second channel, wherein, the second channel is overlapping with a first channel, the method comprising the steps of sending a request message through the first channel; receiving a response message on the second channel in response to the request message through the first channel; and determining the channel quality of the second channel based on the response message on the second channel. It can be used to determine the channel quality of at least one channel by sending a single message through the first channel. | 06-24-2010 |
20100267407 | Method for scheduling wake/sleep cycles by a central device in a wireless network - A method for scheduling wake/sleep cycles by a central device in a wireless network is provided. The wireless network comprises at least one mobile device. The method comprises: attributing a wake/sleep cycle length to each mobile device, wherein the wake/sleep cycle length is an integer multiple of a system schedule cycle; assigning a sleep period and a wake period within the wake/sleep cycle of each mobile device; and arranging the wake/sleep cycle of each mobile device to avoid collision of the wake period with those of other mobile devices. The present invention can keep the maximum sleep cycle period of each MS to guarantee the QoS requirement and to efficiently utilize the system bandwidth. | 10-21-2010 |
20100322152 | METHOD AND APPARATUS FOR TRANSMITTING AN IMAGE IN A WIRELESS NETWORK - A wireless transmission scheme for transmitting images utilizing a cross layer method integrated the slice allocation and multiple modulation and coding modes selection without the need of feedback channel. The scheme divides a coded image into isolated coded slices, wherein each slice represents a region of the image and each slice is then modulated using modulation schemes of differing robustness. Data of most interest is received by all receivers, with some receivers receiving more data in areas with good channel conditions. | 12-23-2010 |
20110002265 | METHOD AND DEVICE FOR PROVIDING A SERVICE - A method for providing a service comprising a plurality of coding layers in a communication network is provided, and wherein each one of said plurality of layers is associated with a unique identifier, the method uses a single message containing necessary information for a receiver to derive all identifiers for several layers within a single service; the method allows to reduce the messages exchange in such a communication system. | 01-06-2011 |
20110264977 | METHOD FOR RECEIVING AND TRANSMITTING DATA BLOCKS - The present invention provides a scalable and reliable feedback suppression method for receiving and transmitting data block. The method comprises receiving at least one initial data packet of the data block which is sent by the transmitter to the multicast group of receivers; and sending at least one NAK packet indicating packet loss to the transmitter by at least one receiver of the multicast group, wherein the at least one NAK packet is sent in a single uplink time slot dedicated to said multicast group of receivers, and wherein the NAK packet is identical for all receivers of said multicast group. | 10-27-2011 |
20110306539 | PROCESS FOR MAKING PARTICLES FOR DELIVERY OF DRUG NANOPARTICLES - A process for making particles for delivery of drug nanoparticles is disclosed herein. The process comprises the steps of (a) forming a suspension of drug nanoparticles by mixing a precipitant solution with an anti-solvent solution under micro-mixing environment, where the formed nanoparticles have a narrow particle size distribution; (b) providing an excipient to at least one of the precipitant solution, the anti-solvent solution and the suspension of drug nanoparticles, the excipient being selected to maintain said drug nanoparticles in a dispersed state when in liquid form; and (c) drying the suspension of drug nanoparticles containing the excipient therein to remove solvent therefrom, wherein removal of the solvent causes the excipient to solidify and thereby form micro-sized matrix particles, each micro-sized particle being comprised of drug nanoparticles dispersed in a solid matrix of the excipient. | 12-15-2011 |
20120021759 | METHOD AND APPARATUS FOR DETERMINING LOCATION INFORMATION - A method for determining location information used in an electronic device of a communication system including a plurality of electronic devices, comprising: transmitting a position request signal via a plurality of communication networks of the communication system; receiving a position response signal with respective location information from at least one electronic devices of the plurality of electronic devices; and determining position information of the electronic device by the received position response signal; wherein the position request signal is transmitted successively to the plurality of networks in a specific order among said networks until the location information of the electronic device is determined based on the location response signal. | 01-26-2012 |
20120311043 | METHOD FOR SYNCHRONIZED CONTENT PLAYBACK - It is provided a method for synchronizing content playback at the presentation level wherein, a first content is presented on a first device and a second content that is the same as or correlated with the first content is presented on a second device. The method comprises steps of receiving status messages from the first device and the second device, wherein the status messages comprise information about playback positions of the first content and the second content currently being playbacked at the presentation level of the first device and the second device; and in response to differences between playback positions of the first content and the second content comprised in the status messages being above a threshold value, performing adjustment to maintain difference of playback positions of the first content and the second content at the presentation level of the first device and the second device below the threshold value. | 12-06-2012 |
20120320814 | HANDOVER METHOD OF MULTICAST AND BROADCAST SERVICE IN WIRELESS NETWORK - A method of a mobile station receiving data packets from a serving base station via a multicast or broadcast connection in a wireless network is provided for performing a handover from the serving base station to a target base station. The method comprises, at the level of the mobile station, the steps of: upon the detection of the quantity of buffered data packets in the mobile station being lower than a first threshold value, establishing a unicast connection with the serving base station to receive data packets from the serving base station; and upon detection of the level of buffered data packets reaching the predetermined threshold level, performing a handover from the serving base station to the target base station. According to the invention, a seamless handover of a mobile station in a wireless network providing Multicast and Broadcast Service (MBS service) can be achieved to prevent the MBS service interruption during the handover. | 12-20-2012 |
20130124994 | METHOD FOR CONTENT PRESENTATION DURING TRICK MODE OPERATIONS - It is provided a method for content presentation during trick mode operations, wherein a first content file is associated with a plurality of content items and each content item corresponds to a content segment of the first content file, the method comprises the steps of receiving an instruction for a chosen trick mode operation when a content segment of the first content file is played; and performing the chosen trick mode operation on the content segment of the first content file and meanwhile playing at least one content item among the plurality of content items, wherein, the at least one content item corresponds to the content segment of the first content file and the chosen trick mode operation. | 05-16-2013 |