Qinghai
Qinghai Hu, Suzhou City CN
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20130194115 | SUCCESSIVE APPROXIMATION REGISTER ANALOG TO DIGITAL CONVERTER - An apparatus implements analog-to-digital conversion with released requirement on the reference settling errors and improved immunity to the noise originated from the power supply, ground and the positive and negative references. It includes a comparator comparing the specified reference levels with the analog input, multi DAC sub-circuits with separate non-binary search schemes applied to and a digital control logic controlling the reference search process. No cross-talk occurs among the different non-binary search algorithms. Each redundancy scheme is localized in a respective DAC sub-circuit and covers the reference levels only in the current DAC. The non-binary search algorithms are fulfilled in the digital domain and trade the non-binary search step sizes with the number of the search steps to introduce redundancy to the reference levels. | 08-01-2013 |
Qinghai Liang, Shenzhen CN
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20140111961 | Wireless Broadband Device - A wireless broadband device includes: a main body and an end cover, where the main body and the end cover are assembled to form a whole; a first battery is carried in the main body and configured to supply power to a circuit of the main body; a second battery is built in the end cover, where a power output contact of the second battery emerges from an inner side of the end cover; the inner side of the end cover contacts the main body; and the power output contact of the second battery contacts an exposed power input contact point of the circuit of the main body, and when an output voltage of the first battery is smaller than the minimum required voltage for supplying power to the circuit of the main body, the circuit of the main body switches to the second battery for power supply. | 04-24-2014 |
Qinghai Song, Beijing CN
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20120178193 | METHOD FOR MANUFACTURING LED WITH TRANSPARENT CERAMICS - A method for manufacturing an LED (light emitting diode) with transparent ceramic is provided, which includes: adding quantitative fluorescent powder into transparent ceramic powder, wherein the doped ratio of the fluorescent powder is 0.01-100 wt %; preparing the fluorescent transparent ceramic using ceramic apparatus and process, after fully mixing the raw material; assembling the prepared fluorescent transparent ceramic and a semiconductor chip to form the LED device. The method assembles the fluorescent transparent ceramic and a semiconductor chip to form the LED device by replacing the fluorescent powder layer and the epoxy resin package casting of the traditional LED with fluorescent transparent ceramic. The fluorescent transparent ceramic is used as the package cast and fluorescent material, and the LED device manufactured through the method has more excellent performance. | 07-12-2012 |
Qinghai Wang, Shenzhen CN
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20110026178 | INTERFACE CIRCUIT AND COMMUNICATION DEVICE - An interface circuit and a communication device are provided. The interface circuit includes a transformer unit, a protection unit, and an interface unit. A secondary side of the transformer unit is connected with a chip. A first terminal of the protection unit is electrically connected with a center tap of a primary side of the transformer unit, and a second terminal of the protection unit is grounded. A first access terminal of the interface unit is connected with a first port of the primary side of the transformer unit, a second access terminal of the interface unit is connected with a second port of the primary side of the transformer unit, and a third access terminal and a fourth access terminal of the interface unit are electrically connected with the first terminal of the protection unit respectively. | 02-03-2011 |
20110101910 | SELF-ADAPTABLE RECHARGER - A self-adaptable recharger includes a control circuit connected to a power-supply circuit, a current-sampling circuit and a pulse-based recharge circuit. The control circuit includes a microprocessor. The pulse-based recharge circuit includes parallel recharge branches each under control of a pin of the microprocessor. The microprocessor receives voltage-related and current-related signals from each of the recharge branches and compares the same with basic data stored therein to determine the types of batteries. The microprocessor calculates time-related changes in the voltage-related and current-related signals and a voltage difference between positive and zero pulses to determine the recharge status and correct recharging curves accordingly. The microprocessor determines the highest recharge voltage, a positive slope of voltage, a zero gain of voltage, a negative gain of voltage and a capacity gain to determine an energy level in each of the batteries and stops the recharge when the battery is full. | 05-05-2011 |
Qinghai Xu, Shenzhen CN
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20120106406 | Time division duplexing (TDD) style-based data transmission method and apparatus - The present disclosure discloses a method for transmitting data based on a Time Division Duplexing (TDD) standard, the method includes: setting a control parameter for analyzing and processing IP packet; receiving the IP packet from an IP layer and storing the IP packet into a receiving buffer according to the control parameter; scanning the IP packet in the receiving buffer, analyzing packet header information of the IP packet, adjusting a sending order of the IP packet according to the control parameter and sending the IP packet to a sending buffer according to the sending order; and sending the IP packet in the sending buffer to a Packet Data Convergence Protocol (PDCP) entity according to the sending order. The present disclosure further discloses a method for transmitting data based on a TDD standard. Through the device and method of the present disclosure, the utilization rate of an air interface and the speed of acquiring data from a network side by a subscriber are increased and the time of the subscriber is saved; and moreover, the network capacity is increased without the investment of hardware so as to reduce the operating cost. | 05-03-2012 |
Qinghai Yang, Nanyang CN
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20130052436 | Infrared Sensitive Photosensitive Composition and Lithographic Plate Fabricated by Using Same - An infrared sensitive and chemical treatment free photosensitive composition, includes, based on weight percentage, 30-70% of a water soluble thermally cross-linking resin, 1-20% of a water-soluble photocross-linking polymerized resin, 10-50% of a photopolymerizable oligomer, 1-30% of a multifunctional monomer, 1-20% of a cationic photopolymerization initiator, and 1-20% of an infrared irradiation absorption dye. The photosensitive composition of the present invention is useful for preparation of an infrared sensitive and chemical treatment free lithographic plate. The lithographic plate of the present invention has a high sensitivity and a good mesh point reduction, and after exposure to an infrared light source, can be printed directly after being washed with tapped water or without any washing and processing step, and has a long run length. | 02-28-2013 |
Qinghai Yang, Beijing CN
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20150369039 | BRIDGE-TYPE CONCENTRIC DIRECT READING TESTING AND COMMISSIONING INSTRUMENT - A bridge concentric direct-reading testing and adjusting instrument, comprising: a cable head having a lower end connected to a pressure sensor via a circuit board; a supporting mechanism having a supporting arm fixing base and a pair of supporting arms connected to the supporting arm fixing base; an inclination well sliding power mechanism including a power motor, a spring, an impact hammer and a one-way clutch assembly, the spring positioned between the power motor and the impact hammer, the impact hammer slidably connected to the power motor and to be rotated along with rotation of the power motor, a lower end of the impact hammer detachably connected to the one-way clutch assembly, and the one-way clutch assembly connecting the supporting arms via a transmission assembly to control opening and closing of the supporting arms; a flowmeter connected below the supporting mechanism; and an adjusting actuator connected below the flowmeter and including an adjusting motor, an adjusting connector and an adjusting arm, the adjusting motor connected to the adjusting arm via the adjusting connector, and the adjusting arm used for adjusting a waterflooding flow rate through rotation of the adjusting arm | 12-24-2015 |
Qinghai Yi, Xuchang City CN
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20150194275 | NOVEL ON-OFF TRANSMISSION DEVICE FOR HIGH VOLTAGE ELECTRIC SWITCH - The present invention provides a novel on-off transmission device for high voltage electric switch, comprising conducting rod and switch actuating device to actuate the reciprocating motion of the conducting rod, wherein an insulation layer is coated on the circumferential wall of the conducting rod. The present invention designs the conducting rod to be covered outside by a solid insulation layer, between the outlet terminals at both sides; one end of the insulated conducting rod is directly connected to the moving contact of the breaking element, while the other end thereof connected to the outlet terminal via a sliding conducting assembly with a slide (a flexible connection with conducting wire connected can also be used). An insulation main shaft and an insulation crank arm rotate and swing to actuate the linear reciprocating motion of the conducting rod, so that the use of redundant elements such as an insulated tension pole, a conducting clip and a flexible connection is avoided, and the contact compressing spring sheet is directly applied to the externally insulated conducting rod. Besides, the insulation portion is directly provided outside the conducting rod, which not only cuts down the cost of production, but also makes the overall structure compacted, simplified and miniaturized, and detachment and maintenance become more convenient. | 07-09-2015 |
Qinghai Zeng, Shenzhen CN
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20130308516 | METHOD, DEVICE AND SYSTEM FOR TRANSMITTING MULTICAST CONTROL CHANNEL CHANGE NOTIFICATION - A method, a device and a system for transmitting an multicast control channel change notification relate to the communication technology field, and solve the problem in the prior art that the MBMS service cannot be performed through a deactivated cell. A method for sending a multicast control channel change notification includes: acquiring relative identification information of the multicast control channel change notification when a non-effective cell of a terminal needs to send the MCCH change notification; and sending the MCCH change notification corresponding to the non-effective cell to the terminal in an effective cell; wherein, the effective cell is a cell that is assigned to the terminal and in an activation status, and the non-effective cell is a cell other than the effective cell. | 11-21-2013 |
20130337860 | GROUP MANAGING METHOD AND PUSH SERVER - The present invention provides a group managing method and a PUSH Server. The method comprises: allocating a first group identifier to a group in an Application Server (AS); acquiring, according to a first identifier of a user joining the group, parameter information of the user, wherein the parameter information of the user comprises a second identifier of the user, location information of a user equipment (UE) corresponding to the user, and an identifier indicating whether the user enables reception of PUSH notification; establishing a group-based transmission bearer with a core network node; and generating group context corresponding to the first group identifier, wherein the group context comprises parameter information of the user in the group and information of the transmission bearer. Therefore, the group management efficiency is improved. | 12-19-2013 |
20140126363 | METHOD FOR ENSURING UPLINK QUALITY OF SERVICE, BASE STATION AND USER EQUIPMENT - Embodiments of the present invention provide a method for ensuring uplink quality of service, a base station and a user equipment. The method for ensuring the uplink quality of service includes: receiving a downlink service data flow, where the downlink service data flow carries an uplink transmission control identifier; and controlling, based on the uplink transmission control identifier, a transmission of a service type's uplink data for which an uplink transmission control needs to be performed in an uplink radio bearer, so as to reduce a transmission rate of the service type's uplink data. Through the technical solution provided by embodiments of the present invention, data is recognized in a dedicated radio bearer and controlled when a centralized scheduling is adopted for uplink resources, thereby ensuring the uplink quality of service. | 05-08-2014 |
20150092547 | METHOD AND DEVICE FOR PROCESSING MESSAGE OVERLOAD - Disclosed are a method and a device for processing message overload. The method comprises: a base station receiving a downlink NAS transmission message sent by a network device, the downlink NAS transmission message comprising indication information indicating whether to transmit an SMS; when being congested, the base station determining, according to the indication information, that the received downlink NAS transmission message is used to transmit an SMS; and processing the downlink NAS transmission message used for transmitting an SMS. | 04-02-2015 |