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Dawei
Dawei Li, Shenzhen CN
| Patent application number | Description | Published |
|---|---|---|
| 20090233618 | METHOD, SYSTEM AND DEVICE FOR INCREASING MULTIMEDIA MESSAGING SERVICE SYSTEM CAPACITY - A method for increasing multimedia messaging service system capacity is provided, it comprises: a message distributing device determining a first multimedia messaging service center (MMSC) node for receiving multimedia message, and forwarding the multimedia message to a relay of the first MMSC node, after it having received multimedia message; the multimedia message being transmitted to a server of the first MMSC node by the relay of the first MMSC node, and stored in the server of the first MMSC node; the server of the first MMSC node corresponding to the relay of the first MMSC relay uniquely; the server of the first MMSC node sending the multimedia message to the receipt party via the relay of the first MMSC node and the message distributing device. A system and a device for increasing multimedia messaging service system capacity are provided, too. It can increase the capacity of multimedia messaging service system handling multimedia message service with the invention. | 09-17-2009 |
| 20110013635 | METHOD AND DEVICE FOR SIGNAL PROCESSING ON MULTI-PROTOCOL SWITCHING NETWORK - A signal processing method and device of multi-protocol switching network are provided, which belong to the field of network communication. The method enables time division multiplexed (TDM) frames to be transmitted in a form of sub cell information through de-interleaving and slicing processes of the TDM frames. The method and device can switch TDM frames and packets uniformly with a flexible processing manner and low cost, so as to better support the network to evolve from TDM to All IP. | 01-20-2011 |
| 20110032943 | METHOD, SYSTEM AND DEVICES FOR PROCESSING MESSAGES IN MULTIMEDIA MESSAGING SERVICE - A method for processing messages in MMS, which includes: after receiving a message from a user side, an MMSC notifying a home Value Added Service Applications Server corresponding to receivers of the message to process the message according to each identifier, which is carried in the message, of the receiver that belongs to the Value Added Service Applications Server and that is carried in the message. A system for processing messages in the MMS is further disclosed. By adopting the technique solution provided in the invention, it could successfully implement the message service of a terminal sending messages to multiple receivers that belong to the same Value Added Service Applications Server. Moreover, it could further reduce the message flux between the MMSC and the Value Added Service Applications server so as to reduce the occupancy of the communication resources, increase the efficiency and save the cost. | 02-10-2011 |
Dawei Li, Guangdong P.r. CN
| Patent application number | Description | Published |
|---|---|---|
| 20080280632 | Method, System and Devices for Processing Messages in Multimedia Messaging Service - A method for processing messages in MMS, which includes: after receiving a message from a user side, an MMSC notifying a home Value Added Service Applications Server corresponding to receivers of the message to process the message according to each identifier, which is carried in the message, of the receiver that belongs to the Value Added Service Applications Server and that is carried in the message. The present invention further discloses a system for processing messages in the MMS. By adopting the technique solution provided in the invention, it could successfully implement the message service of a terminal sending messages to multiple receivers which belong to the same Value Added Service Applications Server. Moreover, it could further reduce the message flux between the MMSC and the Value Added Service Applications server so as to reduce the occupancy of the communication resources, increase the efficiency and save the cost. | 11-13-2008 |
Dawei Liu, Zhongshan CN
| Patent application number | Description | Published |
|---|---|---|
| 20100207556 | AC/DC CONVERTING CIRCUIT AND MOTOR CONTROLLER USING THE SAME - An AC/DC converting circuit, has a full-bridge rectifier having two input terminals and two output terminals, a first capacitor, a second capacitor, an electronic switch having a control terminal, a trigger circuit having an input terminal and an output terminal, and a detecting circuit having an input terminal and an output terminal. The first capacitor and the second capacitor are serially connected between the output terminals of the full-bridge rectifier, the input terminals of the full-bridge rectifier are connected to an AC input, one end of the electronic switch is connected between the first capacitor and the second capacitor, the other end of the electronic switch is connected to one of the output terminals of the full-bridge rectifier, the input terminal and the output terminal of the detecting circuit are connected to the output terminals of the full-bridge rectifier, the output terminal of the detecting circuit is connected to an input terminal of the trigger circuit, and the output terminal of the trigger circuit is connected to the control terminal of the electronic switch. | 08-19-2010 |
| 20100208395 | SURGE CURRENT PROTECTION CIRCUIT AND MOTOR USING THE SAME - A surge current protection circuit, has a control unit having an output end, a photoelectric coupling and driving circuit, a silicon symmetrical switch having a control end, and a current-limiting resistor. The current-limiting resistor and the silicon symmetrical switch are parallel connected altogether and then serially connected to a load and an AC input, and the control end of the silicon symmetrical switch is connected to the output end of the control unit via the photoelectric coupling and driving circuit. The invention features low production cost, high reliability and improved power efficiency, and is capable of effectively suppressing surge current. | 08-19-2010 |
| 20100214702 | OVER-CURRENT PROTECTION CIRCUIT AND MOTOR CONTROLLER COMPRISING THE SAME - An over-current protection circuit, has a main transmission circuit including at least a first triode and a first resistor, a trigger circuit including a second triode and a second resistor, and a detecting circuit having an input terminal and an output terminal. One end of the first resistor is connected to one end of a collecting electrode and an emitting electrode of the first triode. The other end of the first resistor is connected to a current output. The other end of the collecting electrode and the emitting electrode of the first triode is connected to a current input. One end of the second resistor is connected to a collecting electrode of the second triode. The other end of the second resistor is connected to the ground. An emitting electrode of the second triode is connected to the current input. The collecting electrode of the second triode is connected to a base electrode of the first triode. The input terminal of the detecting circuit is connected to the current output whereby extracting a detecting signal therefrom. The output terminal of the detecting circuit is connected to a base electrode of the second triode | 08-26-2010 |
Dawei Lu, Guangdong CN
| Patent application number | Description | Published |
|---|---|---|
| 20090068942 | Method and apparatus for long-time music play on a mobile communication terminal - A method and apparatus are provided for playing music for long time by a mobile communication terminal. The mobile communication terminal includes an MP3 chip for decoding and playing music data transferred from a music data memory by a baseband chip. | 03-12-2009 |
Dawei Xu, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20110316073 | SOI CMOS DEVICE HAVING VERTICAL GATE STRUCTURE - The present invention discloses an SOI CMOS device having a vertical gate structure, comprising: an SOI substrate, and an NMOS region and a PMOS region grown on the SOI substrate, wherein the NMOS region and the PMOS region share one vertical gate region, said vertical gate region lying in the same plane as the NMOS region and the PMOS region and between the NMOS region and the PMOS region; a gate oxide layer is arranged between the vertical gate region and the NMOS region for isolation; and a gate oxide layer is arranged between the vertical gate region and the PMOS region for isolation. The present invention occupies small area, contains less pattern layers, requires a simple process, has an open body region that can completely avoid the floating effect of the traditional SOI CMOS device, and is convenient to parasitic resistance and capacitance tests. | 12-29-2011 |
Dawei Yuan, Toledo, OH US
| Patent application number | Description | Published |
|---|---|---|
| 20100285552 | Methods for Fermentation of Xylose and Hexose Sugars - Methods and systems for the isomerization and/or fermentation of xylose and hexose sugars are disclosed. | 11-11-2010 |
Dawei Zheng, Alhambra, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20080253711 | High speed optical phase modulator - An optical device includes a phase modulator having a waveguide on a substrate. The phase modulator also includes an n-type region having a proximity to a p-type region that causes formation of a depletion region when a bias is not applied to the modulator. The depletion region is at least partially positioned in the light signal carrying region of the waveguide. The phase modulator is tuned by applying a reverse bias to the phase modulator. The reverse bias changes the size of the depletion region. | 10-16-2008 |
Dawei Zheng, Arcadia, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110068425 | Optical device having light sensor employing horizontal electrical field - The device includes an optical waveguide on a base. The waveguide is configured to guide a light signal through a light-transmitting medium. A light sensor is also positioned on the base. The light sensor including a ridge extending from slab regions. The slab regions are positioned on opposing sides of the ridge. A light-absorbing medium is positioned to receive at least a portion of the light signal from the light-transmitting medium included in the waveguide. The light-absorbing medium is included in the ridge and also in the slab regions. The light-absorbing medium includes doped regions positioned such that an application of a reverse bias across the doped regions forms an electrical field in the light-absorbing medium included in the ridge. | 03-24-2011 |
| 20110266422 | Optical device having partially butt-coupled light sensor - An optical device includes a light-transmitting medium positioned on a base. The light-transmitting medium defines a waveguide. The optical device also includes a light sensor. The light sensor includes a light-absorbing medium positioned on the base. A portion of the waveguide ends at a facet such that a first portion of a light signal being guided by the wavegide passes through the facet and a second portion of the light signal bypasses the facet and remains in the light-transmitting medium. The light-absorbing medium is positioned on the light-transmitting medium such that the light-transmitting medium is between the light-absorbing medium and the base. Additionally, the light-absorbing medium is positioned on the light-transmitting medium such that the light-absorbing medium receives the first portion of the light signal that passes through the facet. Further, the light-absorbing medium is configured such that the second portion of the light signal is coupled into the light-absorbing medium from the light-transmitting medium. | 11-03-2011 |
| 20110310467 | System having light sensor with enhanced sensitivity - The system includes a light-transmitting medium positioned on a base. The light-transmitting medium included a ridge and a slab region. The ridge extends upward from the slab region and defines a portion of a waveguide on the base. The waveguide is configured to guide a light signal through the device. The device also includes an avalanche effect light sensor positioned on the base and configured to detect the presence of the light signal. The light sensor includes a light-absorbing medium positioned on the ridge of the light-transmitting medium such that the light signal is coupled from the light-transmitting medium into the light-absorbing medium. The light-transmitting includes a charge layer located at an interface of the light-transmitting medium and the light-absorbing medium. A multiplication region is formed in the slab regions of the light-transmitting medium such that the multiplication region receives charge carriers from the charge layer during the operation of the light sensor. | 12-22-2011 |