Patent application number | Description | Published |
20090059886 | APPARATUS FOR A BEACON-ENABLED WIRELESS NETWORK, TRANSMISSION TIME DETERMINATION METHOD, AND TANGIBLE MACHINE-READABLE MEDIUM THEREOF - An apparatus for a beacon-enabled wireless network, a transmission time determination method, and a tangible machine-readable medium thereof are provided. The apparatus is located within the coverage area of the first equipment. The second equipment is located within the coverage area of the apparatus. The apparatus comprises a receive/transmission module and a decision module. The receive/transmission module is configured to receive the beacon of the first equipment. The decision module is configured to decide information of an upload time slot and a download time slot of the apparatus according to the beacon so that the receive/transmission module can perform data transmission with the first equipment by the upload time slot and perform data transmission with the second equipment by the download time slot. According to the aforementioned allocations, transmission collisions can be avoided and delay of transmission times is decreased. | 03-05-2009 |
20090268633 | NETWORK ADDRESS ASSIGNING AND ALLOCATING METHOD AND ROUTING METHOD FOR LONG-THIN WIRELESS NETWORK - A network address assigning and allocating method and a routing method for a long-thin wireless network are provided. First, a plurality of nodes in the long-thin wireless network is classified into a plurality of clusters, in which nodes ranging from a child node of a bridge node to a next bridge node are classified as the same cluster. Then, a network address is assigned to each of the nodes, in which the network address includes a cluster ID and a node ID, the cluster ID is used for identifying the clusters and for routing a packet between the clusters, and the node ID is used for identifying the nodes in each of the clusters and for routing a packet in the cluster. Thereby, the routing and network transmitting efficiency of the long-thin wireless network can be improved. | 10-29-2009 |
20090319448 | METHOD AND SYSTEM FOR POSITIONING - A positioning method includes: first, receiving wireless signals respectively at the positions of a number of training positions so as to extract a number of signal characteristics; next, establishing a positioning database according to the relationship between the training positions and the corresponding positioning module; then, classifying the training positions and the corresponding signal characteristics into a plurality of clusters, wherein when conducting positioning on a positioning node, a characteristic matching is conducted to find out a major cluster most similar to the positioning node; after that, conducting the characteristic matching between the positioning node and the training positions in the major cluster to decide a most-likely position of the positioning node. In addition, the present invention also provides a positioning system using the above-mentioned method. | 12-24-2009 |
20090325492 | TRANSMISSION METHOD AND TRANSMISSION SYSTEM - A transmission method and a transmission system are provided. The transmission method is for communicating an electronic device and a wireless earphone. The wireless earphone has a normal mode and a sleep mode. The transmission method includes the following steps. If the wireless earphone works on the normal mode, then the wireless earphone continuously transmits the data of synchronization signals to the electronic device. If the wireless earphone works on the sleep mode, then the wireless earphone stops transmitting the data of synchronization signals to the electronic device, and simulates the data of synchronization signals. | 12-31-2009 |
20100127933 | ALGORITHM OF COLLECTING AND CONSTRUCTING TRAINING LOCATION DATA IN A POSITIONING SYSTEM AND THE POSITIONING METHOD THEREFOR - An algorithm of collecting and constructing training location data is provided as it is applied to a test space of a plurality of beacons and training locations. The signal patterns of beacons adjacent to each training location are detected. The signal pattern is converted into a signal vector and each signal vector is integrated for calculating a feature vector of each training location. The coordinate and the feature vector of each training location, after being recorded, are introduced into a numerical data fitting model for constructing the signal pattern function of each beacon. For positioning, the current signal patterns of the beacons adjacent to the user location are detected and converted to a discriminant function. Thereafter, the minimum of the discriminant function is computed so as to find the position of the user location. | 05-27-2010 |
20100131445 | METHOD OF DATA TRANSMISSION WITH DIFFERENTIAL DATA FUSION - A data processing method for communication for a network having a plurality of nodes and a data collection device is provided. First, one of the nodes is selected according to a schedule for overhearing a reference data transmitted by a reference node to the data collection device. Then, a predicted data is calculated by the selected node according to the reference data and a corresponding prediction module. Next, the predicted data is compared with an actual data captured by the selected node, and an error between the predicted data and the actual data is transmitted to the data collection device. The selected node needs not to transmit any data to the data collection device if there is no error between the predicted data and the actual data. Thereby, the quantity of data to be transmitted is greatly reduced, and accordingly problems caused by insufficient bandwidth of the network are avoided. | 05-27-2010 |
20100150048 | MULTICAST COMMUNICATION METHOD, ACCOMPANIED WITH THE RELAY NODE AND WIRELESS NETWORK SYSTEM DESIGN - A multicast communication method for relaying a multicast packet from a first member node to a plurality of second member nodes in a wireless network is provided, wherein the first member node and the second member nodes belong to a same group and can communicate with each other via a plurality of non-member nodes. In the multicast communication method, a number and distances of the second member nodes are recorded. The multicast packet is received from the first member node, and a waiting time is determined according to the number and the distances of the second member nodes. Whether the multicast packet is broadcasted by any other relay node is monitored during the waiting time. If the multicast packet is already broadcasted to all the second member nodes by other relay node, the multicast packet is not broadcasted; otherwise, the multicast packet is broadcasted after the waiting time elapses. | 06-17-2010 |
20100165923 | WIRELESS NETWORK - A wireless network is provided. The wireless network includes a predetermined wireless router and a plurality of wireless routers. The predetermined wireless router has gateway functionality for accessing an external network. Each wireless router of the wireless routers has a single transceiver, and the wireless routers include at least a wireless router which communicates with other wireless router(s) in the wireless network for forwarding network packets by using a single fixed channel and at least a wireless router which communicates with other wireless router(s) in the wireless network for forwarding network packets by using a plurality of channels. | 07-01-2010 |
20100195515 | NODE APPARATUS, NODE QUANTITY ADJUSTMENT METHOD, AND TANGIBLE MACHINE-READABLE MEDIUM FOR A SENSOR NETWORK - A node apparatus and an adjusting method of a quantity of nodes for a sensor network and a tangible machine-readable medium thereof are provided. The sensor network comprises a plurality of groups, wherein each group has a plurality of nodes. For each group, one of the nodes is set to be a gate node, and each node within the group transmits at least one data of itself to the corresponded gate node. Each gate node calculates a data aggregation time based on a data length per unit time of received data and a predetermined packet length, so that each gate node is able to adjust the quantity of nodes within the group thereof accordingly. | 08-05-2010 |
20100225929 | POSITIONING METHOD AND POSITIONING SYSTEM BASED ON LIGHT INTENSITY - A positioning method and a positioning system based on light intensity are provided. The positioning system comprises a lighting system, a sense feedback device and a positioning module. The lighting system comprises at least three point light sources and sequentially adjusts luminance of these point light sources to light up a target. The sense feedback device is disposed on the target and used to collect light intensity information of the light projected on the target by the lighting system. The positioning module calculates a distance between the target and each of the point light sources based on the light intensity information and calculates a positioning location of the target based on the locations of the point light sources and the distances between the target and the point light sources. | 09-09-2010 |
20110032152 | Method and Apparatus for Positioning Mobile Device - A method for positioning a mobile device includes following steps. Based on a prior location point of the mobile device, many sample particles are generated according to a prior probability distribution associated with the prior location point. A current moving track or a current behavior mode of the mobile device is obtained, and the sample particles are moved according to at least one of the current moving track and the current behavior mode. A current supposed status is obtained based on a radio frequency signal received by the mobile device. A current probability distribution of the sample particles corresponding to the radio frequency signal or the current supposed status is generated to obtain corresponding weights of the moved sample particles. A current location point of the mobile device is obtained according to the weights and distribution of the sample particles. | 02-10-2011 |
20120123733 | METHOD SYSTEM AND COMPUTER READABLE MEDIA FOR HUMAN MOVEMENT RECOGNITION - A method for human movement recognition comprises the steps of: retrieving successive measuring data for human movement recognition from an inertial measurement unit; dividing the successive measuring data to generate at least a human movement pattern waveform if the successive measuring data conforms to a specific human movement pattern; quantifying the at least a human movement pattern waveform to generate at least a human movement sequence; and determining a human movement corresponding to the inertial measurement unit by comparing the at least a human movement sequence and a plurality of reference human movement sequences. | 05-17-2012 |
20120162256 | MACHINE-IMPLEMENTED METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR ENABLING A USER TO VIRTUALLY TRY ON A SELECTED GARMENT USING AUGMENTED REALITY - In a machine-implemented method for use with a handheld device, a user is able to virtually try on a selected garment using augmented reality. The machine-implemented method includes: (A) establishing a garment database containing information corresponding to at least one garment, the information corresponding to each garment including a backside image of the garment; (B) establishing a marker database containing feature information of a backside marker; and (C) upon determining from a captured image of the user who is tagged with at least one physical maker that the physical marker corresponds to the backside marker, retrieving from the garment database the backside image of a selected garment, and superimposing the retrieved backside image onto the captured image of the user to form a composite image for display on a screen of the handheld device. | 06-28-2012 |
20120166155 | Method for Selecting Sensor Nodes - The present invention relates to a method for selecting sensor nodes, the method is adopted for calculating the value of a contribution function for a plurality of objects contributed by a plurality of sensor nodes, wherein the contribution function value is calculated by way of determining a coverage level of the objects made by the sensor nodes, or by means of arranging a sub sensor node group capable of sensing covering an object group and calculating the value of the contribution function for the objects contributed by the sensor nodes; Therefore, through the method, the sensor nodes having maximum contribution to the objects can be selected and arranged in a specific environment, and the sensing direction of those sensor nodes can be adjusted for making the sensor node group performs the best efficiency. | 06-28-2012 |
20120168606 | DEVICE AND METHOD FOR SOLAR-TRACKING ACCORDING TO SENSOR - The invention discloses a device and method for solar-tracking according to sensor. The device calculates the angle of incidence and azimuth of the sunray through the illuminance sensed by the sensors in different positions. The device rotates the solar panel to the direction with the maximal solar irradiation. Then the solar panel can sense the maximum illuminance to have the maximal energy gain. | 07-05-2012 |
20120293550 | LOCALIZATION DEVICE AND LOCALIZATION METHOD WITH THE ASSISTANCE OF AUGMENTED REALITY - A localization device assisted with augmented reality and a localization method thereof are provided. The localization device includes a subject object coordinate generating unit, a relative angle determining element and a processing unit. The subject object coordinate generating unit selects at least three subject objects outside the localization device and obtains at least three subject object coordinate values of the at least three subject objects. The relative angle determining element determines at least two viewing angle differences between any two of the at least three subject objects. The processing unit generates a location coordinate value of the localization device according to the at least two viewing angle differences and the at least three subject object coordinate values. | 11-22-2012 |
20120310518 | VEHICLE COLLISION AVOIDANCE APPARATUS, VEHICLE COLLISION AVOIDANCE METHOD AND COMPUTER PROGRAM PRODUCT THEREOF - A vehicle collision avoidance apparatus, a vehicle collision avoidance method, and a computer program product thereof are provided. The vehicle collision avoidance apparatus is disposed on a vehicle and is used to prevent the vehicle from crashing into a front vehicle. There is further a back vehicle behind the vehicle. The front vehicle will transmit a warning message to the vehicle collision avoidance apparatus disposed on the vehicle when the front vehicle brakes. The vehicle collision avoidance apparatus disposed on the vehicle will send out a warning notification in response to the warning message, and transmit the warning message to the back vehicle. Similarly, the vehicle collision avoidance apparatus can also be disposed on the front vehicle and the back vehicle to execute the same operations. | 12-06-2012 |
20130033396 | POSITIONING METHOD FOR LONG-THIN FLEET - The present invention provides a positioning method for long-thin fleet, which moves along a direction and has a motion track and a leading member. The leading member is in forefront of the motion track. The positioning method comprises the following steps: a positioning step and a transmitting step. The positioning step gets a positioning data through a GPS in a preset time. The transmitting step transmits a periodic signal to the members of the fleet through a wireless network system. The leading member proceeds the positioning and transmitting steps. The motion track is connected according to the positioning data. | 02-07-2013 |
20130076537 | MESSAGE BROADCAST SYSTEM AND METHOD FOR VEHICULAR NETWORK - The present invention provides a message broadcast system and method for vehicular network. The system comprises a positioning device, a transmitting device and a processing device. The positioning device positions a location data of a vehicle. The transmitting device transmits a first packet to a neighbor vehicle. The processing device is coupled to the positioning device and transmitting device. The processing device determines the transmitting device transmits a second packet to the neighbor vehicle when the vehicle is in a section of crossroads. The processing device determines whether the vehicle is in a section of crossroads or a road section according to a third packet periodically transmitted from the neighbor vehicle. | 03-28-2013 |
20130088725 | POSITIONING METHOD AND POSITIONING SYSTEM BASED ON LIGHT INTENSITY - A positioning method and a positioning system based on light intensity are provided. The positioning system comprises a lighting system, a sense feedback device and a positioning module. The lighting system comprises at least three point light sources and sequentially adjusts luminance of these point light sources to light up a target. The sense feedback device is disposed on the target and used to collect light intensity information of the light projected on the target by the lighting system. The positioning module calculates a distance between the target and each of the point light sources based on the light intensity information and calculates a positioning location of the target based on the locations of the point light sources and the distances between the target and the point light sources. | 04-11-2013 |
20130127822 | OBJECT DATA SEARCH SYSTEMS AND METHODS - An object data search system is provided. The object data search system includes a communication device and an identification device. The communication device includes a display processing unit and an information transceiver unit. The display processing unit displays a real-time image and retrieves an image screen showing a specific object from the real-time image. The information transceiver unit transmits the image screen retrieved by the display processing unit. The identification device receives the image screen transmitted by the information transceiver unit and performs an image identification operation to the received image screen to generate specific information corresponding to the specific object according to an identification result. Then, the identification device returns the specific information to the communication device. The communication device gets web information corresponding to the specific object by using an external search system, and the display processing unit displays the web information. | 05-23-2013 |
20130155211 | INTERACTIVE SYSTEM AND INTERACTIVE DEVICE THEREOF - An interactive system includes a display device and an interactive device. The display device includes a display module for displaying an image thereon, a S processor module and a transceiver. The interactive device includes an image capturing unit, a control unit, and a signal transceiving unit configured to communicate with the transceiver. The image capturing unit is operable to capture at least a part of the image displayed on the display module. The control unit is operable to transmit information of the captured part of the image to the transceiver via the signal transceiving unit. The processor module is operable to determine location of the interactive device relative to the image displayed on the display module based on the information of the part of the image received by the transceiver. | 06-20-2013 |
20130342370 | CONTROL METHOD OF TRAFFIC SIGN BY UTILIZING VEHICULAR NETWORK - The present invention provides a control method of traffic sign by utilizing vehicular network which can be applied to an intersection. The method comprises: a passing rate calculating step, calculating a passing rate according to a driving parameter; a vehicular movement type determining step, determining a vehicular movement type of a lane at the intersection according to the driving parameter; and a signal determining step, determining next signal according to the passing rate and the vehicular movement type. | 12-26-2013 |
20140143240 | INFORMATION SEARCH SERVER AND INFORMATION SEARCH METHOD THEREOF - An information search server and an information search method thereof are provided. The information search server includes a transceiver and a processor. The transceiver receives a search message having an original store phone number of an original store from a user device. The processor performs a data mining procedure, according to the original store phone number, to obtain an original store name and an original store address associated with the original store phone number, a category associated with the original store name, an original store latitude and longitude associated with the original store address, and a recommended store information associated with the category and the original store latitude and longitude, and generates a result message having the recommended store information. The transceiver further transmits the result message to the user device. | 05-22-2014 |