Patent application number | Description | Published |
20090167278 | Power Supply with Separate Line Regulation and Load Regulation - A system to supply power to an electronic system, comprises a set of one or more power units each configured to transform an input voltage into an output voltage; and a line regulator coupled to a power unit and configured to modulate a duty cycle of the power unit and a load regulator configured to provide a second control signal to a power unit to selectively enable the power unit based on load information provided by the electronic system. | 07-02-2009 |
20100052631 | STRUCTURE OF A POWER SUPPLY - An improved structure of a power supply mainly discloses three PSR solutions based on a PWM controller that is used in charger/adapter solutions, in which a low voltage PNP transistor and zener diode composes error signal amplification circuit, or −431 typed shunt regulators senses and amplifies the input error signal caused by the changes of load or line voltage, or one diode and two resistors form sense circuit of error signal. These PSR solutions employ a transformer, in which the input side of the transformer is connected to an AC input and PWM controller, and the output side of the transformer is connected to a rectified diode. The present invention further provides low cost PSR solutions with higher system reliability, better line/load regulation, and short circuit characteristic. | 03-04-2010 |
20110199796 | STRUCTURE OF A POWER SUPPLY - An improved structure of a power supply is based on an emitter-switched PWM controller and special structure transformer. An improved structure of a power supply mainly describes two primary side regulation (here called “PSR”) solutions based on above PWM controller that is used in charger/adapter solutions. These PSR solutions employ a transformer with special winding structure. It is required that adjacent reeling between its input bias winding and output winding, in which the input side of the transformer is connected to an AC input and an emitter-switched PWM controller, and the output side of the transformer is connected to a rectified diode. The present invention further provides low cost PSR solutions with higher system reliability, better line/load regulation, and short circuit characteristic. | 08-18-2011 |
20120025720 | POWER SUPPLY APPARATUS AND METHOD FOR A BACKLIGHT SYSTEM - A power supply system includes a transformer having a primary winding on its primary side for coupling to a power source and one or more secondary windings on its secondary side. A first control circuit is disposed on the primary side of the transformer for controlling a current flow in the primary winding. A second control circuit disposed on the secondary side of the transformer, and the second control circuit is configured to provide a regulated output voltage. In the power supply system, the first control circuit is configured to generate a control signal for controlling the current flow in the primary winding without using a feedback control signal from the secondary side of the transformer. | 02-02-2012 |
20120328588 | COMPOUND PREPARATION AND ITS USES FOR PREVENTION AND TREATMENT OF HEARING IMPAIRMENT - A compound preparation contains alpha-lipoic acid and nimodipine at a ratio from 5:1 to 40:1. The above-mentioned compound preparation can be used for the prevention and treatment of noise-induced hearing impairment. This compound preparation not only increases the efficacy but decreases the dosage of nimodipine, reduces the side effects and improves the patient compliance. | 12-27-2012 |
20150120863 | PROXY NETWORK DEVICE SELECTION IN A COMMUNICATION NETWORK - A first network device determines that a central coordinator of a communication network cannot be detected and designates itself as a hidden network device. The first network device receives a beacon message from a second network device including a first communication parameter that indicates that the second network device has proxy capabilities and a second communication parameter. The first network device selects the second network device as its proxy network device, if the second communication parameter of the second network device is a preferred communication parameter as compared to a corresponding second parameter of an additional network device detected at the first network device. If the first network device is a proxy network device for a third network device, then messages received from the third network device for forwarding to the central coordinator are relayed from the first network device to the second network device. | 04-30-2015 |
Patent application number | Description | Published |
20090284822 | PHASE CALIBRATION METHOD AND DEVICE USING THE SAME AND DISTANCE MEASURING EQUIPMENT - The present invention provides a phase calibration method, device, and equipment. The method comprises the steps of: a first light beam emitter generating a first light-wave into a target object, the first light-wave being reflected at the target object and flying back onto a receiver, wherein the first light-wave, as an external beam path signal, is modulated by a first high-frequency oscillation signal; a second light beam emitter emitting a second light-wave into the receiver, wherein the second light-wave, as an internal beam path signal for fundamental phase reference, is modulated by a second high-frequency oscillation signal; and the receiver performing a phase comparison between received first light-wave and sequentially received second light-wave therein and exporting a measurement signal with fundamental reference eliminated. The present method achieves phase compensation and calibration, thereby reducing the influence of environmental elements, increasing measuring precision, and thus reducing system cost. | 11-19-2009 |
20120195267 | METHOD AND SYSTEM FOR TRANSMITTING DOWNLINK CONTROL INFORMATION - The present disclosure discloses a method and system for transmitting downlink control information, for solving the problem of how to indicate a transmission scheme when a cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier. In order to support the bi-flow beam forming technology in the LTE-A R9, the present disclosure provides a downlink control information Format 1A, which may, when the cyclic redundancy check code in the downlink control channel is scrambled with the semi-persistently scheduled cell radio network temporary identifier, indicates a method for transmitting downlink control information, for example, single-layer transmission, transmit diversity, or a transmission scheme simultaneously involving single-layer transmission and transmit diversity, which guarantees flexibility of system schedule. The present disclosure adds no signaling overhead and has good adaptability with the LTE R8. | 08-02-2012 |
20120263052 | Method and Device for Detecting Downlink Control Information - The present invention provides a method and device for detecting downlink control information, which relates to the communication field. The method includes: during cross carrier scheduling, the user equipment (UE) determines a search space for monitoring a physical downlink control channel (PDCCH) according to the number of downlink component carriers in a PDCCH Monitoring Set and the number of downlink component carriers in a UE DL Component Carrier Set. | 10-18-2012 |
20130201929 | Method and System for Non-Periodic Feedback in Carrier Aggregation Scenario - The present invention discloses a method and a system for non-periodic feedback in a carrier aggregation scenario. The method comprises: a base station sending a non-periodic trigger signaling to a piece of User Equipment (UE); the UE receiving the non-periodic trigger signaling, and determining a Downlink Component Carrier (DL CC) requiring feedback according to the non-periodic trigger signaling; the UE triggering a non-periodic feedback of the determined DL CC. With the present invention, the problem that it is impossible to determine which downlink component carrier is to be fed back according to the non-periodic trigger signaling in the carrier aggregation scenario is solved, uplink feedback of the DL CC that is unnecessary to be fed back is effectively reduced, the base station can adjust resource allocation according to information fed back by the UE, and the performance of downlink data transmission is ensured. | 08-08-2013 |
20140029538 | Physical uplink control channel power control method and apparatus - The disclosure provides a physical uplink control channel (PUCCH) power control method. A user equipment (UE) determines a power control parameter n | 01-30-2014 |
20140105152 | Method and system for transmitting physical random access channel - The disclosure discloses a method and system for transmitting a Physical Random Access Channel (PRACH). The method includes: in a Carrier Aggregation (CA) scenario, a base station transmits, in a Primary Serving Cell (Pcell) or a Secondary Serving Cell (Scell), a random access trigger message to a User Equipment (UE) ( | 04-17-2014 |
20140177582 | METHOD FOR DETECTING DOWNLINK CONTROL CHANNEL, USER EQUIPMENT, AND BASE STATION - The present invention provides a method for detecting a downlink control channel, a user equipment and a base station. The detection method comprises: a UE detecting a downlink control channel of the UE in a first search space and a second search space, the first search space and the second search space being resources for a base station to send downlink control channel information. In the present invention, the downlink control channel information is sent in two search spaces, thereby developing a new PDCCH resource, solving the problem of insufficient physical downlink control channel PDCCH resources due to the increased requirements for user access, and achieving the effect of increasing the system capacity and reducing the interference. | 06-26-2014 |
20140233537 | METHOD AND DEVICE FOR SENDING AND RECEIVING DOWNLINK CONTROL INFORMATION - Disclosed are a method and a device for sending and receiving downlink control information. The method comprises: discrete user-specific search space is determined, control channel resources corresponding to the discrete user-specific search spaces being distributed discretely; and the downlink control information on the discrete user-specific search space is sent. Through the disclosure, the diversity effect of sending physical downlink control information is improved. | 08-21-2014 |
20140376422 | Method and system for processing downlink control information - A method and a system for processing downlink control information are disclosed, in which downlink control information for the subframe n may be transmitted in a subframe n or the downlink control information for the subframe n may be transmitted in a subframe n−1. By means of technology for processing control channel information provided by the disclosure, a region where the downlink control information is transmitted is added, and space division technology can be fully utilized, so that a load of a Physical Downlink Control Channel (PDCCH) is reduced, the interference between control channels is reduced, and the capacity of the control channel is enlarged. | 12-25-2014 |
Patent application number | Description | Published |
20080319658 | LANDMARK-BASED ROUTING - Driving directions can be helpful if in addition to spatial information, landmark information is provided. Landmarks assist in adding context to directions as well as allowing for a greater likelihood of success of an operator following directions. There can be employment of physical identification of landmarks as well as processing regarding the utility of a landmark in regards to driving directions. Driving directions can be highly useful if integrated landmarks relate to knowledge possessed by an operator of a vehicle. Landmark based driving direction can be integrated with advertisements that relate to the directions. | 12-25-2008 |
20080319659 | LANDMARK-BASED ROUTING - Driving directions can be helpful if in addition to spatial information, landmark information is provided. Landmarks assist in adding context to directions as well as allowing for a greater likelihood of success of an operator following directions. There can be employment of physical identification of landmarks as well as processing regarding the utility of a landmark in regards to driving directions. Driving directions can be highly useful if integrated landmarks relate to knowledge possessed by an operator of a vehicle. Landmark based driving direction can be integrated with advertisements that relate to the directions. | 12-25-2008 |
20080319660 | LANDMARK-BASED ROUTING - Driving directions can be helpful if in addition to spatial information, landmark information is provided. Landmarks assist in adding context to directions as well as allowing for a greater likelihood of success of an operator following directions. There can be employment of physical identification of landmarks as well as processing regarding the utility of a landmark in regards to driving directions. Driving directions can be highly useful if integrated landmarks relate to knowledge possessed by an operator of a vehicle. Landmark based driving direction can be integrated with advertisements that relate to the directions. | 12-25-2008 |
20120159617 | HEADSET, METHOD FOR CONTROLLING USAGE OF HEADSET, AND TERMINAL - The present invention provides a headset, a method for controlling usage of the headset and a terminal. The headset includes a memory configured to store an authentication password; and a usage control unit configured to send, after a connection is established between the headset and a terminal, a request of inputting authentication password to the terminal when the headset is in a protected state, receive an authentication password inputted from the terminal, authenticate the received authentication password using the stored authentication password, and control an execution of a predetermined function of the headset based on an authentication result. The present invention protects the headset by limiting the usage right of the headset, so as to reduce the probability of headset loss. | 06-21-2012 |
Patent application number | Description | Published |
20120182974 | System and Method for Mapping Reference Signal Sequence in Advanced Long Term Evolution System - The present invention provides a method and system for mapping a reference signal sequence in an advanced Long Term Evolution (LTE) system, and the method and the system are used to map the reference signal sequence to an orthogonal frequency division multiplexing symbol of l. The method includes: when the system uses a normal cyclic prefix, determining the symbol l according to an expression, and mapping the reference signal sequence to a location of a sub-carrier k on the symbol l of an antenna port p. The system includes: a mapping module, a first acquiring module and a second acquiring module. The system and the method which are provided ensure the transmission performance while ensuring the interference randomization. In addition, the system and the method are compatible with existing LTE systems, thus realizing high-order Multiple Input Multiple Output (MIMO) transmission, supporting the usage of the corresponding techniques. | 07-19-2012 |
20130010741 | METHOD AND DEVICE FOR TRANSMITTING CONTROL FORMAT INDICATOR VALUE - A method for transmitting control format indicator values includes RRC configuring CFI values and transmitting signalings related thereto with one of multiple modes. The modes include configuring one RRC signaling for each component carrier which can be cross-carrier scheduled for user equipment, to indicate a CFI value of each subframe of said component carrier; configuring one RRC signaling respectively for each of subframe types designated by all component carriers which can be cross-carrier scheduled for user equipment, to indicate a CFI value of each designated subframe type; configuring one RRC signaling respectively for each designated subframe type of each component carrier which can be cross-carrier scheduled for user equipment, to indicate a CFI value of each subframe type designated; and configuring one RRC signaling for each user equipment for which cross-carrier scheduling can be performed, to indicate the CFI values of all component carriers which can be cross-carrier scheduled. | 01-10-2013 |
20130028108 | METHOD AND APPARATUS FOR DETECTING DOWNLINK CONTROL INFORMATION - The present invention discloses a method for detecting downlink control information, including: when scheduling across carriers is enabled, determining by user equipment (UE) user-specific search space monitoring a physical downlink control channel (PDCCH) according to component carrier indexes, wherein the component carrier indexes include component carrier indexes corresponding to various component carriers implementing scheduling across carrier and being scheduled across carriers. Also the present invention also provides an apparatus for detecting downlink control information, a user equipment and a network side device. The present invention solve the overlap problem of common search space and user-specific search space in Release 10 and solves the problem of determining a search space for the PDCCH in the situation of scheduling across carriers is enabled in Release 10. | 01-31-2013 |