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845 results about "Data Adjustments" patented technology

Method for automatically reporting station of public transport vehicle

ActiveCN101493990AAccurate and timely station announcementEasy to schedule and manageRoad vehicles traffic controlBroadcastingData sequences
The invention relates to an automatic stop announcement method of a bus, pertaining to a bus information-releasing method. The method solves the problems of difficult data adjustment and low accuracy of stop announcement under a complicated situation, and comprises the following steps: a bus terminal receives and stores a data sequence of stop announcement in a running route, sent out by a control center through mobile communication. When the bus is in running, the bus terminal first combines current GPS location information with stop location information of auxiliary beacons to periodically find out the nearest stop as a current stop in the running route from the data sequence of the stop announcement. The running modes, namely, the uplink or the downlink, is determined when the bus runs into the current stop. And then the bus terminal adjusts the running mode according to the data sequence, controls the broadcasting and displays the information of the current stop; when the bus leaves the stop, the bus terminal, combining the running mode and in accordance with the data sequence, controls the broadcasting and displays leaving information consisting of the name of the next stop, and sets the next stop in the running route as the current stop.
Owner:XIAMEN YAXON NETWORKS CO LTD

Method and system for low cost, power efficient, wireless transponder devices with enhanced functionality

This invention provides a method and system for inventorying wireless transponders, specifically referred to as RFID transceiver devices. The RFID transceiver devices are certifiable by a recognized standards body, such as EPCglobal, or are compatible with recognized standards but have higher functionality than typical passive RFIDs, and yet are implemented with techniques that lower cost and battery requirements. Backscatter techniques of standard passive RFIDs are used to keep cost and battery requirements low. To provide higher functionality, a microcontroller is used in the RFID, along with a battery, but the clock frequency of the microcontroller is adjusted, based on external input, to minimize battery requirements. In one embodiment, the microcontroller initially has a zero or near zero clock frequency. A comparator compares the received RF energy to a threshold, and when the threshold is exceeded, indicating the presence of a probe signal from an RFID reader, the microcontroller clock frequency is immediately increased, and further adjusted based on the received data. In an alternate embodiment, the clock frequency of the microcontroller is adjusted based on data from sensors, to keep the clock speed at the proper speed to adequately process the data while minimizing the power requirement of the microcontroller, and then create an input to modulate the backscattered signal to be transmitted by the RFID. The received data can also cause the microcontroller to request the sensors to generate sensing data at a faster rate, which in turn requires the microcontroller clock to increase to handle the increased sensor data. In an additional embodiment, multiple sensors are multiplexed to provide a single input stream to the microcontroller, reducing the microcontroller clock speed required, along with the overall cost of the microcontroller and sensors.
Owner:EIGENT TECH

(Building Information Modeling) BIM based plan graph and first view-angle split-screen synchronous display method and system

The invention provides a BIM based plan graph and first view-angle split-screen synchronous display method and system. The method comprises loading and displaying a BIM stereo model; matching a navigation norm with a model bearing; generating a corresponding plane graph and placing a virtual camera; generating a corresponding first-person view-angle graph according to the camera position and view-angle information; displaying the view-angle bearing through the navigation norm visually, and providing a compass function; adjusting the view angle of the first-person view-angle graph according to user instructions, an adjusting the projection view angle direction of the virtual camera in the plane graph according to current view-angle data; and using the plane graph and the virtual camera projection as one portion and the first-person view-angle graph as the other portion to be displayed synchronously in a same screen. By means of the method and the system, a plane drawing and the first-person view-angle stereo graph are combined, the model bearing and the compass are combined, and accordingly, detail members can be observed and searched visually, the site actual engineering member and model member matching problem can be determined visually, construction management is facilitated, the requirement for the personnel technology is reduced, and even general workers can observe, record and search for the detail members according to images displayed on the same screen.
Owner:SHANGHAI TONGZHU INFORMATION TECH
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