Patent application number | Description | Published |
20130321187 | ANALOG-TO-DIGITAL CONVERTER AND ELECTRONIC APPARATUS - An analog-to-digital converter includes a digital-to-analog (DA) converting part having a predetermined number of gradation converting stages and configured to cause each of the predetermined number of gradation converting stages to convert a digital signal to an analog signal and output the converted analog signal, a main-comparator configured to output a binary signal on the basis of a first comparison result between the analog signal output from the DA converting part and a predetermined reference level, and a second sub-comparator having an offset less than a quantization unit with respect to the main-comparator and being configured to output a binary signal on the basis of a second comparison result between the analog signal output from the DA converting part and the predetermined reference level. | 12-05-2013 |
20130321189 | AD CONVERTER CIRCUIT AND AD CONVERSION METHOD - A low-power and high-speed ADC includes: a successive approximation converter circuit configured to sequentially compare and coarsely convert the analog input signal voltage into a digital signal with a number of higher-order bits, and also to output a residual voltage; a fixed-quantity change time measurement converter circuit configured to finely convert the residual voltage into a digital signal with a number n of lower-order bits by changing the residual voltage at a fixed rate of change and by measuring the time until a predetermined value is reached; and an encoder circuit configured to generate a digital signal with the predetermined number of bits by combining the digital signal with the number of higher-order bits output from the successive approximation converter circuit and the digital signal with the number of lower-order bits output from the fixed-quantity change time measurement converter circuit. | 12-05-2013 |
20130328709 | AD CONVERTER APPARATUS, AD CONVERTER CIRCUIT, AND AD CONVERSION METHOD - An analogue-digital converter apparatus includes a plurality of AD converters connected in series, each AD converter to convert an analog signal received by a first AD converter, at least one of the AD converters including: a residual signal generator that generates a first residual signal, the first residual signal being a difference between the analog signal or one of two residual signals amplified and output by a preceding AD converter and a first reference signal, and a second residual signal, the second residual signal being a difference between the analog signal or one of the two residual signals and a second reference signal; and an amplifier that amplifies and outputs the first residual signal to a subsequent AD converter at a first timing and amplifies and outputs the second residual signal to the subsequent AD converter at a second timing. | 12-12-2013 |
20140125294 | CHARGE TRANSFER CIRCUIT - A charge transfer circuit has a charge transfer unit including an input charge holding element holding an input charge, an output charge holding element holding an output charge, and a charge transfer element, provided between a first node of the input charge holding element and a second, node of the output charge holding element, to transfer the charge held by the input charge holding element to the output charge holding element, an error sensing circuit detecting a third voltage corresponding to a first voltage of the first node when the charge transfer element finished transferring the charge from the input charge holding element to the output charge holding element, and an error correction unit correcting a second voltage of the second node when the charge transfer finished based on the third voltage and eliminate an error included in the second voltage of the second node. | 05-08-2014 |
20140184434 | ANALOG/DIGITAL CONVERTER - An analog/digital converter includes: a first analog/digital conversion unit that performs digital conversion on received first analog input voltage in a first time period; a second analog/digital conversion unit that performs digital conversion on received second analog input voltage in a second time period that is different from the first time period; and a first coupling capacitor that connects the first analog/digital conversion unit and the second analog/digital conversion unit, and wherein the second analog/digital conversion unit receives, through the first coupling capacitor, first residual voltage that is remaining voltage of the first analog input voltage on which digital conversion is performed in the first analog/digital conversion unit, as the second analog input voltage. | 07-03-2014 |
20150036774 | CLOCK AND DATA RECOVERY CIRCUIT - A CDR circuit includes an AD converter that converts an analog input signal to a digital output signal according to an operation clock signal; a phase adjuster that subtracts a first phase from a first clock signal having a first frequency equal to a frequency of the input signal to output a second clock signal having a second frequency as the operation clock signal to the AD converter; a phase detector that detects a second phase in the output signal of the AD converter; a filter that obtains a third phase by performing a filtering process based on the first phase, the second phase, and the third phase output from the filter; an adder that adds the first phase and the third phase to obtain a fourth phase; and a decision circuit that obtains recovered data from the output signal of the AD converter using the fourth phase. | 02-05-2015 |
20150349758 | COMPARATOR WITH CONTROLLED CURRENT SUPPLY CAPACITY - A comparator includes an input-stage circuit that sets, in a first operating state, two voltage signals in a first voltage state, and changes, in a second operating state, the two voltage signals from the first voltage state to a second voltage state at different speeds, a latch-stage circuit that includes two field effect transistors and two inverters, the two field effect transistors receiving the two voltage signals at control nodes and disposed between two output nodes and a predetermined potential, the two inverters cross-coupled between the two output nodes and placed in an inactive state in the first operating state and in an active state in the second operating state, and a control circuit that controls current capacities in two paths through which drive voltages are applied to the two inverters, causing the current capacities to be different during at least part of a period of the second operating state. | 12-03-2015 |
20150358006 | METHOD FOR DETECTING HYSTERESIS CHARACTERISTIC OF COMPARATOR AND SEMICONDUCTOR DEVICE - A method for detecting a hysteresis characteristic of a comparator, include: causing a controller to control an offset adjuster configured to adjust an offset amount of the comparator; causing the controller to change the offset amount from a first value toward a second value and detect a third value when a logic level of a signal output from the comparator is changed; causing the controller to change the offset amount from the second value toward the first value and detect a fourth value when the logic level is changed; and causing the controller to detect the hysteresis characteristic of the comparator based on a first difference between the third value and the fourth value. | 12-10-2015 |
Patent application number | Description | Published |
20100113709 | POLYETHYLENE IMINE BASED DENDRITIC DISPERSANT - The invention relates to a liquid dispersant of the formula I | 05-06-2010 |
20100174046 | POLYETHYLENE IMINE BASED PIGMENT DISPERSANTS - This invention refers to a novel process for the synthesis of polyethylene imine (PEI)-based pigment dispersants characterized by a “grafting from” approach, allowing the manufacture of solvent based dispersant systems. The polyethylene imine (PEI)-based pigment dispersant can be presented by the formula (I) X-(T) | 07-08-2010 |
20100280183 | POLYAMINE-POLYACRYLATE DISPERSANT - The invention relates to a liquid dispersant based on polyamine-graft-polyacrylate blend, its preparation and its use in solvent borne systems, especially to a polyamine-g-polyacrylate grafted copolymer blend of the general formula (1) or a mixture of formula (1) and YT-(A1,A2)-Y1 wherein T is a polyamine or polyimine, A1 is a bridging bond which is selected from amide or amide, A2 is a —N—C— bridging bond, Y is an acrylate residue of the general formula (2), wherein, R | 11-04-2010 |
20120101218 | METHOD FOR PRODUCING BLOCK COPOLYMERS - A method for producing an AB block copolymer with PDI is provided. The method comprises steps of:
| 04-26-2012 |
20140343228 | Polymers with Carboxylic Ammonium Groups as Latent Catalysts for Epoxy Curing Applications - A one-component epoxy composition containing a latent catalyst and with surprisingly long storage stability. The catalyst being a reaction product of at least one tertiary amine compound and at least one polymer having at least one carboxylic acid and/or anhydride group. | 11-20-2014 |
Patent application number | Description | Published |
20140328027 | Coil with Variable Inner Diameter and Electronic Module made from the Coil - A coil with variable inner diameter is disclosed. The coil includes a coil body consisting of a plurality of turns of winding, and a connecting terminal configured to be connected to an external device, wherein the winding is wound to form at least two different inner diameters. And an electronic module made from the coil with variable inner diameter is also disclosed. The electronic module includes; electronic components including at least an integrated circuit chip; a coil with variable inner diameter, including a coil body having at least two different inner diameters and a connecting terminal; a connector, configured to be electrically connected with the electronic component and the coil; and a magnetic conductor, configured to enclose in and around the coil body and the electronic component. | 11-06-2014 |
20140328042 | Power Supply Module - A power supply module and a method for manufacturing the same are disclosed. The power supply module includes a coil including a coil body and a connecting terminal; electronic components at least including an integrated circuit chip; a connector configured to be electrically connected with the coil and the electronic component; and a magnetic conductor configured to enclose in and around the coil body and the electronic component, wherein the connector is integrally formed with the integrated circuit chip when manufacturing the latter. The present disclosure can make the structure of the power supply module be more compact to further meet the needs of miniaturization design, reduce material consumption, simplify procedure, and therefore reduce the production costs. | 11-06-2014 |
20150333522 | Five-level topology units and inverter thereof - Disclosed are five-level topology units and inverter thereof without an extra boosting circuit wherein the cost is reduced by using only one AC filtering inductor and high efficiency is achieved for the absence of the extra boosting circuit and, furthermore, wherein the leakage current is eliminated substantially by using the half-bridge inverter module. The five-level inverter including the five-level topology unit without an extra circuit to raise input voltage (i.e. Boost circuit) is able to output the same AC power as the five-level full bridge inverter under the same working condition. | 11-19-2015 |
20160073509 | POWER SUPPLY MODULE AND ITS MANUFACTURING METHOD - A power supply module and its manufacturing method are disclosed. The manufacturing method for the power supply module includes: configuring a coil such that coil terminals are configured by way of electrical connection in the preset circuit connection configuration of the connector; preparing a mold cavity, and placing the connector housed with the coil and the electronic components into the mold cavity; making a magnetic mixture, and filling the mold cavity where the connector is placed with the magnetic mixture to form a magnetic body under pressure, wherein the magnetic body encapsulates at least the coil, the electronic components and a portion of the connector adapted to house the coil and the electronic components, and the terminal is exposed outside the magnetic body; demoulding the magnetic body from the mold cavity; and increasing the temperature of the demoulded magnetic body by heating. In this way, the molding pressure for forming the power supply module is lower and the manufactured power supply module has good performance of heat transfer. | 03-10-2016 |
Patent application number | Description | Published |
20090122793 | Method And System For Establishing Emergency Call - A method for establishing an emergency call includes: if an emergency call request message sent by a User Equipment (UE) contains an Internet Protocol Multimedia Subsystem Public User Identity (IMPU) in a TEL URI format, a Proxy-Call Session Control Function entity (P-CSCF) generates an IMPU in a Session Initiation Protocol (SIP) URI format according to the IMPU in the TEL URI format, sends both IMPUs to a Public Safety Answering Point (PSAP), and receives an emergency callback initiated by the PSAP. The PSAP initiates the emergency callback according to one of the two IMPUs. A system for establishing an emergency call includes a UE, a P-CSCF and a PSAP. The PSAP can always acquire the IMPU in the TEL URI format and the IMPU in the SIP URI format of the UE, and initiate an emergency callback to the UE according to the IMPU in the SIP URI format. | 05-14-2009 |
20090319657 | SIP TERMINAL, METHOD AND SYSTEM FOR REPORTING STATUS THEREOF, AND SIP SERVER - A session initiation protocol (SIP) terminal, a method and system for reporting status thereof, and an SIP server are provided. The present invention relates to the field of communications, and is capable of enabling the SIP terminal to initiatively report status information to the SIP server, thereby ensuring a normal connection of an SIP call. The method includes: detecting whether status of the SIP terminal changes; generating status reporting information when the status of the SIP terminal changes; and sending current status of the SIP terminal to the SIP server in the form of the status reporting information. The present invention is mainly applied to the SIP technology. | 12-24-2009 |
20100014508 | Method And System For Emergency Call - An emergency call includes sending, by a Call Session Control Function entity (CSCF) to User Equipment (UE), a session reject message containing indication information indicating re-initiating an emergence call according to a local policy upon detecting that a session request sent by the UE is an emergency session request; and re-initiating, by the UE, an emergency call of CS domain or Internet Protocol Multimedia Subsystem (IMS) domain according to the indication information. A system for an emergency call includes UE and a CSCF. The CSCF includes an emergency call determination unit and an emergency call domain selection unit. Upon detecting that a call is an emergency call, the CSCF instructs the UE to re-initiate an emergency call of CS or IMS domain according to whether a network supports the emergency call of CS or IMS domain. | 01-21-2010 |
20110310774 | METHOD AND SYSTEM FOR ESTABLISHING EMERGENCY CALL - A method for establishing an emergency call includes: if an emergency call request message sent by a User Equipment (UE) contains an Internet Protocol Multimedia Subsystem Public User Identity (IMPU) in a TEL URI format, a Proxy-Call Session Control Function entity (P-CSCF) generates an IMPU in a Session Initiation Protocol (SIP) URI format according to the IMPU in the TEL URI format, sends both IMPUs to a Public Safety Answering Point (PSAP), and receives an emergency callback initiated by the PSAP. The PSAP initiates the emergency callback according to one of the two IMPUs. A system for establishing an emergency call includes a UE, a P-CSCF and a PSAP. The PSAP can always acquire the IMPU in the TEL URI format and the IMPU in the SIP URI format of the UE, and initiate an emergency callback to the UE according to the IMPU in the SIP URI format. | 12-22-2011 |
Patent application number | Description | Published |
20140195902 | METHOD FOR MIXEDLY TYPESETTING MULTI-LANGUAGE TEXT - The present invention provides a method for mixedly typesetting multi-language text, comprising: acquiring a typesetting rule set (RS), a multi-language (ML), a multi-font (MF), and corresponding selected text; and performing language parsing according to the selected text and the corresponding typesetting RS, ML, and MF, and typesetting the selected text. By virtue of the method and apparatus for mixedly typesetting multi-language text according to the present invention, languages and fonts are automatically and quickly set for multi-language text to be mixedly typeset, and the text is correctly typeset according to typesetting rules according to the languages, thereby solving the problems that mixed typesetting of multi-language text in the prior art is complicated and time-consuming and labor-consuming, and has poor effect. | 07-10-2014 |
20150019959 | METHOD AND APPARATUS FOR BIDIRECTIONAL TYPESETTING - The application provides method and apparatus for bidirectional typesetting. The method for bidirectional typesetting of the present application comprises: retrieving a small sample used for a document to be bi-directionally typeset; defining at least one reverse region, wherein the reverse region consists of successive characters required to be reversed in the retrieved small sample; and determining locations where the reversed characters will be located in the documents and recording the locations into a big sample. | 01-15-2015 |
Patent application number | Description | Published |
20120287852 | METHOD, SYSTEM AND DEVICE FOR SENDING CLOSE SUBSCRIBER GROUP INFORMATION - A method, system and device for sending Closed Subscriber Group (CSG) information are disclosed by the embodiments of the present invention, and the method includes the following steps: when CSG information of a User Equipment (UE) changes, a mobility management entity acquires the changed CSG information of the UE; the mobility management entity sends the changed CSG information to a Policy and Charging Rules Function (PCRF) entity, which charges the UE according to the changed CSG information of the UE. In the present invention, the changed CSG information is carried in messages sent from the mobility management entity to a gateway, so that the PCRF can be notified of the changed CSG information. Therefore, the PCRF can charge according to the changed CSG information, and the problem is solved that the CSG information can not be reported to the gateway. | 11-15-2012 |
20130058292 | METHOD, SYSTEM AND APPARATUS FOR SELECTING DATA PLANE TUNNEL ACCORDING TO THE STATUS OF USER EQUIPMENT - The present invention puts forward a method, a system and an apparatus for selecting a data plane tunnel according to the status of User Equipment (UE). The system comprises a Serving Gateway (SGW) and a Local Gateway (LGW), wherein, the SGW is used for determining the status of the UE and whether a connection is used for Local IP Access (LIPA)/Selected IP Traffic Offload (SIPTO), and instructs the LGW; the LGW is used for setting a tunnel identifier status of the LGW according to the instruction of the SGW, and selecting the data plane tunnel according to the tunnel identifier status. The present invention selects an appropriate data plane tunnel by setting a tunnel identifier in an LGW, and proposes a method for controlling the to setting/clearing of the tunnel identifier, therefore the present invention enjoys comprehensive functions and may make up the deficiency of LIPA/SIPTO architecture in the prior art. | 03-07-2013 |
20130095837 | METHOD AND DEVICE FOR MACHINE TYPE COMMUNICATION MONITORING PROCESSING - The present invention discloses a method and device for machine type communication (MTC) monitoring process, and includes: an MTC determines the first location which an MTC device (MD) is allowed to be at and the event report needing to be performed when the MD is not at the first location; the MTC server sends the information of the first location and the information of the event report to the MD; the MD receives the information of the first location and the information of the event report sent from the MTC server; and after detecting that the MD is not at the first location according to the information of the first information, the MD reports the event report to the MTC server. The present invention enhances the monitoring process with finer-granularity and can reduce the interfaces and operations between other network nodes and a Home Subscriber Server (HSS)/Home Location Register (HLR), and maintains the stability of HSS/HLR. | 04-18-2013 |
20130322240 | METHOD AND DEVICE FOR ESTABLISHING SELECTED IP TRAFFIC OFFLOAD CONNECTION UNDER H(E)NB - Provided is a method for establishing a selected IP traffic offload connection under an H(e)NB, including: obtaining a packet data network connection request of a certain access point; obtaining the address of a local gateway connected with the H(e)NB and information about the access points supported by the local gateway; judging whether or not the requested access point allows the establishment of a selected IP traffic offload connection; judging whether or not the local gateway is able to connect to the requested access point; determining a method for establishing a selected IP traffic offload connection according to the judgment result and establishing a selected IP traffic offload connection. According to the method for establishing a selected IP traffic offload connection under an H(e)NB scenario in the present invention, judgment can be done before a connection is established, so that the waste of signalling resources caused by reconnection after connection failure is avoided. Also provided is a device for establishing a selected IP traffic offload connection under an H(e)NB. | 12-05-2013 |
20150055494 | Method and Apparatus for Notifying Congestion Related Information - The present invention discloses a method and apparatus for notifying congestion related information. The method includes: obtaining, by an ANDSF entity, congestion related information of an access network; notifying, by the ANDSF entity, the congestion related information to a UE through a message of an ANDSF policy. According to an embodiment of the present invention, by carrying the congestion related information of the access network in the message of the ANDSF policy, the UE can obtain congestion conditions of different access networks, and can select a radio access network to be used according to the congestion conditions, so as to avoid a condition that the UE cannot access the access network since the UE cannot know the network congestion conditions. | 02-26-2015 |
20150189637 | RESOURCE ALLOCATION METHOD, APPARATUS, AND SYSTEM IN FIXED BROADBAND NETWORK - This application relates to communication technologies, and disclosed are a resource allocation method, apparatus, and system in a fixed broadband network. After an RG is accessed, a PCRF sends an AMBR parameter for an access line corresponding to the RG to an IP border gateway; and when a device is accessed through the RG, the IP border gateway counts and multiplexes, according to the AMBR parameter and between devices accessed through the RG, bandwidth resources of the access line corresponding to the RG, so as to improve the utilization of network resources. | 07-02-2015 |